sort.c 63.5 KB
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#include <sys/mman.h>
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#include "sort.h"
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#include "hist.h"
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#include "comm.h"
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#include "symbol.h"
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#include "evsel.h"
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#include "evlist.h"
#include <traceevent/event-parse.h>
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#include "mem-events.h"
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regex_t		parent_regex;
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const char	default_parent_pattern[] = "^sys_|^do_page_fault";
const char	*parent_pattern = default_parent_pattern;
const char	default_sort_order[] = "comm,dso,symbol";
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const char	default_branch_sort_order[] = "comm,dso_from,symbol_from,symbol_to,cycles";
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const char	default_mem_sort_order[] = "local_weight,mem,sym,dso,symbol_daddr,dso_daddr,snoop,tlb,locked";
const char	default_top_sort_order[] = "dso,symbol";
const char	default_diff_sort_order[] = "dso,symbol";
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const char	default_tracepoint_sort_order[] = "trace";
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const char	*sort_order;
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const char	*field_order;
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regex_t		ignore_callees_regex;
int		have_ignore_callees = 0;
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int		sort__has_thread = 0;
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int		sort__has_comm = 0;
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enum sort_mode	sort__mode = SORT_MODE__NORMAL;
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/*
 * Replaces all occurrences of a char used with the:
 *
 * -t, --field-separator
 *
 * option, that uses a special separator character and don't pad with spaces,
 * replacing all occurances of this separator in symbol names (and other
 * output) with a '.' character, that thus it's the only non valid separator.
*/
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static int repsep_snprintf(char *bf, size_t size, const char *fmt, ...)
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{
	int n;
	va_list ap;

	va_start(ap, fmt);
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	n = vsnprintf(bf, size, fmt, ap);
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	if (symbol_conf.field_sep && n > 0) {
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		char *sep = bf;

		while (1) {
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			sep = strchr(sep, *symbol_conf.field_sep);
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			if (sep == NULL)
				break;
			*sep = '.';
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		}
	}
	va_end(ap);
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	if (n >= (int)size)
		return size - 1;
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	return n;
}

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static int64_t cmp_null(const void *l, const void *r)
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{
	if (!l && !r)
		return 0;
	else if (!l)
		return -1;
	else
		return 1;
}

/* --sort pid */

static int64_t
sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	return right->thread->tid - left->thread->tid;
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}

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static int hist_entry__thread_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	const char *comm = thread__comm_str(he->thread);
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	width = max(7U, width) - 6;
	return repsep_snprintf(bf, size, "%5d:%-*.*s", he->thread->tid,
			       width, width, comm ?: "");
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}

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static int hist_entry__thread_filter(struct hist_entry *he, int type, const void *arg)
{
	const struct thread *th = arg;

	if (type != HIST_FILTER__THREAD)
		return -1;

	return th && he->thread != th;
}

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struct sort_entry sort_thread = {
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	.se_header	= "  Pid:Command",
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	.se_cmp		= sort__thread_cmp,
	.se_snprintf	= hist_entry__thread_snprintf,
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	.se_filter	= hist_entry__thread_filter,
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	.se_width_idx	= HISTC_THREAD,
};

/* --sort comm */

static int64_t
sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	/* Compare the addr that should be unique among comm */
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	return strcmp(comm__str(right->comm), comm__str(left->comm));
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}

static int64_t
sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
{
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	/* Compare the addr that should be unique among comm */
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	return strcmp(comm__str(right->comm), comm__str(left->comm));
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}

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static int64_t
sort__comm_sort(struct hist_entry *left, struct hist_entry *right)
{
	return strcmp(comm__str(right->comm), comm__str(left->comm));
}

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static int hist_entry__comm_snprintf(struct hist_entry *he, char *bf,
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				     size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, comm__str(he->comm));
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}

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struct sort_entry sort_comm = {
	.se_header	= "Command",
	.se_cmp		= sort__comm_cmp,
	.se_collapse	= sort__comm_collapse,
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	.se_sort	= sort__comm_sort,
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	.se_snprintf	= hist_entry__comm_snprintf,
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	.se_filter	= hist_entry__thread_filter,
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	.se_width_idx	= HISTC_COMM,
};

/* --sort dso */

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static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r)
{
	struct dso *dso_l = map_l ? map_l->dso : NULL;
	struct dso *dso_r = map_r ? map_r->dso : NULL;
	const char *dso_name_l, *dso_name_r;

	if (!dso_l || !dso_r)
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		return cmp_null(dso_r, dso_l);
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	if (verbose) {
		dso_name_l = dso_l->long_name;
		dso_name_r = dso_r->long_name;
	} else {
		dso_name_l = dso_l->short_name;
		dso_name_r = dso_r->short_name;
	}

	return strcmp(dso_name_l, dso_name_r);
}

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static int64_t
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sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	return _sort__dso_cmp(right->ms.map, left->ms.map);
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}
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static int _hist_entry__dso_snprintf(struct map *map, char *bf,
				     size_t size, unsigned int width)
{
	if (map && map->dso) {
		const char *dso_name = !verbose ? map->dso->short_name :
			map->dso->long_name;
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		return repsep_snprintf(bf, size, "%-*.*s", width, width, dso_name);
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	}

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	return repsep_snprintf(bf, size, "%-*.*s", width, width, "[unknown]");
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}

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static int hist_entry__dso_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	return _hist_entry__dso_snprintf(he->ms.map, bf, size, width);
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}

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static int hist_entry__dso_filter(struct hist_entry *he, int type, const void *arg)
{
	const struct dso *dso = arg;

	if (type != HIST_FILTER__DSO)
		return -1;

	return dso && (!he->ms.map || he->ms.map->dso != dso);
}

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struct sort_entry sort_dso = {
	.se_header	= "Shared Object",
	.se_cmp		= sort__dso_cmp,
	.se_snprintf	= hist_entry__dso_snprintf,
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	.se_filter	= hist_entry__dso_filter,
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	.se_width_idx	= HISTC_DSO,
};

/* --sort symbol */
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static int64_t _sort__addr_cmp(u64 left_ip, u64 right_ip)
{
	return (int64_t)(right_ip - left_ip);
}

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static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r)
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{
	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

	if (sym_l == sym_r)
		return 0;

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	if (sym_l->start != sym_r->start)
		return (int64_t)(sym_r->start - sym_l->start);
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	return (int64_t)(sym_r->end - sym_l->end);
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}

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static int64_t
sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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	int64_t ret;

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	if (!left->ms.sym && !right->ms.sym)
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		return _sort__addr_cmp(left->ip, right->ip);
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	/*
	 * comparing symbol address alone is not enough since it's a
	 * relative address within a dso.
	 */
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	if (!hists__has(left->hists, dso) || hists__has(right->hists, dso)) {
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		ret = sort__dso_cmp(left, right);
		if (ret != 0)
			return ret;
	}
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	return _sort__sym_cmp(left->ms.sym, right->ms.sym);
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}

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static int64_t
sort__sym_sort(struct hist_entry *left, struct hist_entry *right)
{
	if (!left->ms.sym || !right->ms.sym)
		return cmp_null(left->ms.sym, right->ms.sym);

	return strcmp(right->ms.sym->name, left->ms.sym->name);
}

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static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym,
				     u64 ip, char level, char *bf, size_t size,
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				     unsigned int width)
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{
	size_t ret = 0;

	if (verbose) {
		char o = map ? dso__symtab_origin(map->dso) : '!';
		ret += repsep_snprintf(bf, size, "%-#*llx %c ",
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				       BITS_PER_LONG / 4 + 2, ip, o);
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	}
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	ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level);
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	if (sym && map) {
		if (map->type == MAP__VARIABLE) {
			ret += repsep_snprintf(bf + ret, size - ret, "%s", sym->name);
			ret += repsep_snprintf(bf + ret, size - ret, "+0x%llx",
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					ip - map->unmap_ip(map, sym->start));
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		} else {
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			ret += repsep_snprintf(bf + ret, size - ret, "%.*s",
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					       width - ret,
					       sym->name);
		}
	} else {
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		size_t len = BITS_PER_LONG / 4;
		ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx",
				       len, ip);
	}

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	return ret;
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}

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static int hist_entry__sym_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
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{
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	return _hist_entry__sym_snprintf(he->ms.map, he->ms.sym, he->ip,
					 he->level, bf, size, width);
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}
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static int hist_entry__sym_filter(struct hist_entry *he, int type, const void *arg)
{
	const char *sym = arg;

	if (type != HIST_FILTER__SYMBOL)
		return -1;

	return sym && (!he->ms.sym || !strstr(he->ms.sym->name, sym));
}

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struct sort_entry sort_sym = {
	.se_header	= "Symbol",
	.se_cmp		= sort__sym_cmp,
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	.se_sort	= sort__sym_sort,
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	.se_snprintf	= hist_entry__sym_snprintf,
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	.se_filter	= hist_entry__sym_filter,
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	.se_width_idx	= HISTC_SYMBOL,
};
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/* --sort srcline */

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static char *hist_entry__get_srcline(struct hist_entry *he)
{
	struct map *map = he->ms.map;

	if (!map)
		return SRCLINE_UNKNOWN;

	return get_srcline(map->dso, map__rip_2objdump(map, he->ip),
			   he->ms.sym, true);
}

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static int64_t
sort__srcline_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->srcline)
		left->srcline = hist_entry__get_srcline(left);
	if (!right->srcline)
		right->srcline = hist_entry__get_srcline(right);

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	return strcmp(right->srcline, left->srcline);
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}

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static int hist_entry__srcline_snprintf(struct hist_entry *he, char *bf,
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					size_t size, unsigned int width)
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{
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	if (!he->srcline)
		he->srcline = hist_entry__get_srcline(he);

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	return repsep_snprintf(bf, size, "%-.*s", width, he->srcline);
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}

struct sort_entry sort_srcline = {
	.se_header	= "Source:Line",
	.se_cmp		= sort__srcline_cmp,
	.se_snprintf	= hist_entry__srcline_snprintf,
	.se_width_idx	= HISTC_SRCLINE,
};

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/* --sort srcfile */

static char no_srcfile[1];

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static char *hist_entry__get_srcfile(struct hist_entry *e)
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{
	char *sf, *p;
	struct map *map = e->ms.map;

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	if (!map)
		return no_srcfile;

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	sf = __get_srcline(map->dso, map__rip_2objdump(map, e->ip),
			 e->ms.sym, false, true);
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	if (!strcmp(sf, SRCLINE_UNKNOWN))
		return no_srcfile;
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	p = strchr(sf, ':');
	if (p && *sf) {
		*p = 0;
		return sf;
	}
	free(sf);
	return no_srcfile;
}

static int64_t
sort__srcfile_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->srcfile)
		left->srcfile = hist_entry__get_srcfile(left);
	if (!right->srcfile)
		right->srcfile = hist_entry__get_srcfile(right);

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	return strcmp(right->srcfile, left->srcfile);
}

static int hist_entry__srcfile_snprintf(struct hist_entry *he, char *bf,
					size_t size, unsigned int width)
{
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	if (!he->srcfile)
		he->srcfile = hist_entry__get_srcfile(he);

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	return repsep_snprintf(bf, size, "%-.*s", width, he->srcfile);
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}

struct sort_entry sort_srcfile = {
	.se_header	= "Source File",
	.se_cmp		= sort__srcfile_cmp,
	.se_snprintf	= hist_entry__srcfile_snprintf,
	.se_width_idx	= HISTC_SRCFILE,
};

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/* --sort parent */

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static int64_t
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sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct symbol *sym_l = left->parent;
	struct symbol *sym_r = right->parent;

	if (!sym_l || !sym_r)
		return cmp_null(sym_l, sym_r);

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	return strcmp(sym_r->name, sym_l->name);
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}

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static int hist_entry__parent_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%-*.*s", width, width,
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			      he->parent ? he->parent->name : "[other]");
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}

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struct sort_entry sort_parent = {
	.se_header	= "Parent symbol",
	.se_cmp		= sort__parent_cmp,
	.se_snprintf	= hist_entry__parent_snprintf,
	.se_width_idx	= HISTC_PARENT,
};

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/* --sort cpu */

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static int64_t
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sort__cpu_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->cpu - left->cpu;
}

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static int hist_entry__cpu_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
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{
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	return repsep_snprintf(bf, size, "%*.*d", width, width, he->cpu);
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}

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struct sort_entry sort_cpu = {
	.se_header      = "CPU",
	.se_cmp	        = sort__cpu_cmp,
	.se_snprintf    = hist_entry__cpu_snprintf,
	.se_width_idx	= HISTC_CPU,
};

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/* --sort socket */

static int64_t
sort__socket_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return right->socket - left->socket;
}

static int hist_entry__socket_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	return repsep_snprintf(bf, size, "%*.*d", width, width-3, he->socket);
}

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static int hist_entry__socket_filter(struct hist_entry *he, int type, const void *arg)
{
	int sk = *(const int *)arg;

	if (type != HIST_FILTER__SOCKET)
		return -1;

	return sk >= 0 && he->socket != sk;
}

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struct sort_entry sort_socket = {
	.se_header      = "Socket",
	.se_cmp	        = sort__socket_cmp,
	.se_snprintf    = hist_entry__socket_snprintf,
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	.se_filter      = hist_entry__socket_filter,
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	.se_width_idx	= HISTC_SOCKET,
};

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/* --sort trace */

static char *get_trace_output(struct hist_entry *he)
{
	struct trace_seq seq;
	struct perf_evsel *evsel;
	struct pevent_record rec = {
		.data = he->raw_data,
		.size = he->raw_size,
	};

	evsel = hists_to_evsel(he->hists);

	trace_seq_init(&seq);
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	if (symbol_conf.raw_trace) {
		pevent_print_fields(&seq, he->raw_data, he->raw_size,
				    evsel->tp_format);
	} else {
		pevent_event_info(&seq, evsel->tp_format, &rec);
	}
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	return seq.buffer;
}

static int64_t
sort__trace_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct perf_evsel *evsel;

	evsel = hists_to_evsel(left->hists);
	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
		return 0;

	if (left->trace_output == NULL)
		left->trace_output = get_trace_output(left);
	if (right->trace_output == NULL)
		right->trace_output = get_trace_output(right);

	return strcmp(right->trace_output, left->trace_output);
}

static int hist_entry__trace_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	struct perf_evsel *evsel;

	evsel = hists_to_evsel(he->hists);
	if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
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		return scnprintf(bf, size, "%-.*s", width, "N/A");
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	if (he->trace_output == NULL)
		he->trace_output = get_trace_output(he);
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	return repsep_snprintf(bf, size, "%-.*s", width, he->trace_output);
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}

struct sort_entry sort_trace = {
	.se_header      = "Trace output",
	.se_cmp	        = sort__trace_cmp,
	.se_snprintf    = hist_entry__trace_snprintf,
	.se_width_idx	= HISTC_TRACE,
};

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/* sort keys for branch stacks */

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static int64_t
sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return _sort__dso_cmp(left->branch_info->from.map,
			      right->branch_info->from.map);
}

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static int hist_entry__dso_from_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	if (he->branch_info)
		return _hist_entry__dso_snprintf(he->branch_info->from.map,
						 bf, size, width);
	else
		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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static int hist_entry__dso_from_filter(struct hist_entry *he, int type,
				       const void *arg)
{
	const struct dso *dso = arg;

	if (type != HIST_FILTER__DSO)
		return -1;

	return dso && (!he->branch_info || !he->branch_info->from.map ||
		       he->branch_info->from.map->dso != dso);
}

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static int64_t
sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return _sort__dso_cmp(left->branch_info->to.map,
			      right->branch_info->to.map);
}

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static int hist_entry__dso_to_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
{
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	if (he->branch_info)
		return _hist_entry__dso_snprintf(he->branch_info->to.map,
						 bf, size, width);
	else
		return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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static int hist_entry__dso_to_filter(struct hist_entry *he, int type,
				     const void *arg)
{
	const struct dso *dso = arg;

	if (type != HIST_FILTER__DSO)
		return -1;

	return dso && (!he->branch_info || !he->branch_info->to.map ||
		       he->branch_info->to.map->dso != dso);
}

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static int64_t
sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct addr_map_symbol *from_l = &left->branch_info->from;
	struct addr_map_symbol *from_r = &right->branch_info->from;

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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	from_l = &left->branch_info->from;
	from_r = &right->branch_info->from;

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	if (!from_l->sym && !from_r->sym)
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		return _sort__addr_cmp(from_l->addr, from_r->addr);
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	return _sort__sym_cmp(from_l->sym, from_r->sym);
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}

static int64_t
sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	struct addr_map_symbol *to_l, *to_r;

	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	to_l = &left->branch_info->to;
	to_r = &right->branch_info->to;
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	if (!to_l->sym && !to_r->sym)
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		return _sort__addr_cmp(to_l->addr, to_r->addr);
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	return _sort__sym_cmp(to_l->sym, to_r->sym);
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}

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static int hist_entry__sym_from_snprintf(struct hist_entry *he, char *bf,
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					 size_t size, unsigned int width)
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{
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	if (he->branch_info) {
		struct addr_map_symbol *from = &he->branch_info->from;
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		return _hist_entry__sym_snprintf(from->map, from->sym, from->addr,
						 he->level, bf, size, width);
	}

	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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static int hist_entry__sym_to_snprintf(struct hist_entry *he, char *bf,
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				       size_t size, unsigned int width)
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{
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	if (he->branch_info) {
		struct addr_map_symbol *to = &he->branch_info->to;

		return _hist_entry__sym_snprintf(to->map, to->sym, to->addr,
						 he->level, bf, size, width);
	}
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, "N/A");
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}

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static int hist_entry__sym_from_filter(struct hist_entry *he, int type,
				       const void *arg)
{
	const char *sym = arg;

	if (type != HIST_FILTER__SYMBOL)
		return -1;

	return sym && !(he->branch_info && he->branch_info->from.sym &&
			strstr(he->branch_info->from.sym->name, sym));
}

static int hist_entry__sym_to_filter(struct hist_entry *he, int type,
				       const void *arg)
{
	const char *sym = arg;

	if (type != HIST_FILTER__SYMBOL)
		return -1;

	return sym && !(he->branch_info && he->branch_info->to.sym &&
		        strstr(he->branch_info->to.sym->name, sym));
}

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struct sort_entry sort_dso_from = {
	.se_header	= "Source Shared Object",
	.se_cmp		= sort__dso_from_cmp,
	.se_snprintf	= hist_entry__dso_from_snprintf,
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	.se_filter	= hist_entry__dso_from_filter,
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	.se_width_idx	= HISTC_DSO_FROM,
};

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struct sort_entry sort_dso_to = {
	.se_header	= "Target Shared Object",
	.se_cmp		= sort__dso_to_cmp,
	.se_snprintf	= hist_entry__dso_to_snprintf,
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	.se_filter	= hist_entry__dso_to_filter,
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	.se_width_idx	= HISTC_DSO_TO,
};

struct sort_entry sort_sym_from = {
	.se_header	= "Source Symbol",
	.se_cmp		= sort__sym_from_cmp,
	.se_snprintf	= hist_entry__sym_from_snprintf,
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	.se_filter	= hist_entry__sym_from_filter,
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	.se_width_idx	= HISTC_SYMBOL_FROM,
};

struct sort_entry sort_sym_to = {
	.se_header	= "Target Symbol",
	.se_cmp		= sort__sym_to_cmp,
	.se_snprintf	= hist_entry__sym_to_snprintf,
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	.se_filter	= hist_entry__sym_to_filter,
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	.se_width_idx	= HISTC_SYMBOL_TO,
};

static int64_t
sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	unsigned char mp, p;
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

	mp = left->branch_info->flags.mispred != right->branch_info->flags.mispred;
	p  = left->branch_info->flags.predicted != right->branch_info->flags.predicted;
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	return mp || p;
}

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static int hist_entry__mispredict_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width){
	static const char *out = "N/A";

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	if (he->branch_info) {
		if (he->branch_info->flags.predicted)
			out = "N";
		else if (he->branch_info->flags.mispred)
			out = "Y";
	}
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	return repsep_snprintf(bf, size, "%-*.*s", width, width, out);
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}

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static int64_t
sort__cycles_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->branch_info->flags.cycles -
		right->branch_info->flags.cycles;
}

static int hist_entry__cycles_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	if (he->branch_info->flags.cycles == 0)
		return repsep_snprintf(bf, size, "%-*s", width, "-");
	return repsep_snprintf(bf, size, "%-*hd", width,
			       he->branch_info->flags.cycles);
}

struct sort_entry sort_cycles = {
	.se_header	= "Basic Block Cycles",
	.se_cmp		= sort__cycles_cmp,
	.se_snprintf	= hist_entry__cycles_snprintf,
	.se_width_idx	= HISTC_CYCLES,
};

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/* --sort daddr_sym */
static int64_t
sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	uint64_t l = 0, r = 0;

	if (left->mem_info)
		l = left->mem_info->daddr.addr;
	if (right->mem_info)
		r = right->mem_info->daddr.addr;

	return (int64_t)(r - l);
}

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static int hist_entry__daddr_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;

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	if (he->mem_info) {
		addr = he->mem_info->daddr.addr;
		map = he->mem_info->daddr.map;
		sym = he->mem_info->daddr.sym;
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	}
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	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
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					 width);
}

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static int64_t
sort__iaddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	uint64_t l = 0, r = 0;

	if (left->mem_info)
		l = left->mem_info->iaddr.addr;
	if (right->mem_info)
		r = right->mem_info->iaddr.addr;

	return (int64_t)(r - l);
}

static int hist_entry__iaddr_snprintf(struct hist_entry *he, char *bf,
				    size_t size, unsigned int width)
{
	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;

	if (he->mem_info) {
		addr = he->mem_info->iaddr.addr;
		map  = he->mem_info->iaddr.map;
		sym  = he->mem_info->iaddr.sym;
	}
	return _hist_entry__sym_snprintf(map, sym, addr, he->level, bf, size,
					 width);
}

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static int64_t
sort__dso_daddr_cmp(struct hist_entry *left, struct hist_entry *right)
{
	struct map *map_l = NULL;
	struct map *map_r = NULL;

	if (left->mem_info)
		map_l = left->mem_info->daddr.map;
	if (right->mem_info)
		map_r = right->mem_info->daddr.map;

	return _sort__dso_cmp(map_l, map_r);
}

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static int hist_entry__dso_daddr_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
	struct map *map = NULL;

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	if (he->mem_info)
		map = he->mem_info->daddr.map;
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	return _hist_entry__dso_snprintf(map, bf, size, width);
}

static int64_t
sort__locked_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_lock = PERF_MEM_LOCK_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_lock = PERF_MEM_LOCK_NA;

	return (int64_t)(data_src_r.mem_lock - data_src_l.mem_lock);
}

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static int hist_entry__locked_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	char out[10];
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	perf_mem__lck_scnprintf(out, sizeof(out), he->mem_info);
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	return repsep_snprintf(bf, size, "%.*s", width, out);
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}

static int64_t
sort__tlb_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_dtlb = PERF_MEM_TLB_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_dtlb = PERF_MEM_TLB_NA;

	return (int64_t)(data_src_r.mem_dtlb - data_src_l.mem_dtlb);
}

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static int hist_entry__tlb_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
	char out[64];

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	perf_mem__tlb_scnprintf(out, sizeof(out), he->mem_info);
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	return repsep_snprintf(bf, size, "%-*s", width, out);
}

static int64_t
sort__lvl_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_lvl = PERF_MEM_LVL_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_lvl = PERF_MEM_LVL_NA;

	return (int64_t)(data_src_r.mem_lvl - data_src_l.mem_lvl);
}

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static int hist_entry__lvl_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
	char out[64];

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	perf_mem__lvl_scnprintf(out, sizeof(out), he->mem_info);
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	return repsep_snprintf(bf, size, "%-*s", width, out);
}

static int64_t
sort__snoop_cmp(struct hist_entry *left, struct hist_entry *right)
{
	union perf_mem_data_src data_src_l;
	union perf_mem_data_src data_src_r;

	if (left->mem_info)
		data_src_l = left->mem_info->data_src;
	else
		data_src_l.mem_snoop = PERF_MEM_SNOOP_NA;

	if (right->mem_info)
		data_src_r = right->mem_info->data_src;
	else
		data_src_r.mem_snoop = PERF_MEM_SNOOP_NA;

	return (int64_t)(data_src_r.mem_snoop - data_src_l.mem_snoop);
}

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static int hist_entry__snoop_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
	char out[64];

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	perf_mem__snp_scnprintf(out, sizeof(out), he->mem_info);
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	return repsep_snprintf(bf, size, "%-*s", width, out);
}

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static int64_t
sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right)
{
	u64 l, r;
	struct map *l_map, *r_map;

	if (!left->mem_info)  return -1;
	if (!right->mem_info) return 1;

	/* group event types together */
	if (left->cpumode > right->cpumode) return -1;
	if (left->cpumode < right->cpumode) return 1;

	l_map = left->mem_info->daddr.map;
	r_map = right->mem_info->daddr.map;

	/* if both are NULL, jump to sort on al_addr instead */
	if (!l_map && !r_map)
		goto addr;

	if (!l_map) return -1;
	if (!r_map) return 1;

	if (l_map->maj > r_map->maj) return -1;
	if (l_map->maj < r_map->maj) return 1;

	if (l_map->min > r_map->min) return -1;
	if (l_map->min < r_map->min) return 1;

	if (l_map->ino > r_map->ino) return -1;
	if (l_map->ino < r_map->ino) return 1;

	if (l_map->ino_generation > r_map->ino_generation) return -1;
	if (l_map->ino_generation < r_map->ino_generation) return 1;

	/*
	 * Addresses with no major/minor numbers are assumed to be
	 * anonymous in userspace.  Sort those on pid then address.
	 *
	 * The kernel and non-zero major/minor mapped areas are
	 * assumed to be unity mapped.  Sort those on address.
	 */

	if ((left->cpumode != PERF_RECORD_MISC_KERNEL) &&
	    (!(l_map->flags & MAP_SHARED)) &&
	    !l_map->maj && !l_map->min && !l_map->ino &&
	    !l_map->ino_generation) {
		/* userspace anonymous */

		if (left->thread->pid_ > right->thread->pid_) return -1;
		if (left->thread->pid_ < right->thread->pid_) return 1;
	}

addr:
	/* al_addr does all the right addr - start + offset calculations */
	l = cl_address(left->mem_info->daddr.al_addr);
	r = cl_address(right->mem_info->daddr.al_addr);

	if (l > r) return -1;
	if (l < r) return 1;

	return 0;
}

static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf,
					  size_t size, unsigned int width)
{

	uint64_t addr = 0;
	struct map *map = NULL;
	struct symbol *sym = NULL;
	char level = he->level;

	if (he->mem_info) {
		addr = cl_address(he->mem_info->daddr.al_addr);
		map = he->mem_info->daddr.map;
		sym = he->mem_info->daddr.sym;

		/* print [s] for shared data mmaps */
		if ((he->cpumode != PERF_RECORD_MISC_KERNEL) &&
		     map && (map->type == MAP__VARIABLE) &&
		    (map->flags & MAP_SHARED) &&
		    (map->maj || map->min || map->ino ||
		     map->ino_generation))
			level = 's';
		else if (!map)
			level = 'X';
	}
	return _hist_entry__sym_snprintf(map, sym, addr, level, bf, size,
					 width);
}

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struct sort_entry sort_mispredict = {
	.se_header	= "Branch Mispredicted",
	.se_cmp		= sort__mispredict_cmp,
	.se_snprintf	= hist_entry__mispredict_snprintf,
	.se_width_idx	= HISTC_MISPREDICT,
};

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static u64 he_weight(struct hist_entry *he)
{
	return he->stat.nr_events ? he->stat.weight / he->stat.nr_events : 0;
}

static int64_t
sort__local_weight_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return he_weight(left) - he_weight(right);
}

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static int hist_entry__local_weight_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	return repsep_snprintf(bf, size, "%-*llu", width, he_weight(he));
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}

struct sort_entry sort_local_weight = {
	.se_header	= "Local Weight",
	.se_cmp		= sort__local_weight_cmp,
	.se_snprintf	= hist_entry__local_weight_snprintf,
	.se_width_idx	= HISTC_LOCAL_WEIGHT,
};

static int64_t
sort__global_weight_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->stat.weight - right->stat.weight;
}

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static int hist_entry__global_weight_snprintf(struct hist_entry *he, char *bf,
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					      size_t size, unsigned int width)
{
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	return repsep_snprintf(bf, size, "%-*llu", width, he->stat.weight);
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}

struct sort_entry sort_global_weight = {
	.se_header	= "Weight",
	.se_cmp		= sort__global_weight_cmp,
	.se_snprintf	= hist_entry__global_weight_snprintf,
	.se_width_idx	= HISTC_GLOBAL_WEIGHT,
};

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struct sort_entry sort_mem_daddr_sym = {
	.se_header	= "Data Symbol",
	.se_cmp		= sort__daddr_cmp,
	.se_snprintf	= hist_entry__daddr_snprintf,
	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
};

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struct sort_entry sort_mem_iaddr_sym = {
	.se_header	= "Code Symbol",
	.se_cmp		= sort__iaddr_cmp,
	.se_snprintf	= hist_entry__iaddr_snprintf,
	.se_width_idx	= HISTC_MEM_IADDR_SYMBOL,
};

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struct sort_entry sort_mem_daddr_dso = {
	.se_header	= "Data Object",
	.se_cmp		= sort__dso_daddr_cmp,
	.se_snprintf	= hist_entry__dso_daddr_snprintf,
	.se_width_idx	= HISTC_MEM_DADDR_SYMBOL,
};

struct sort_entry sort_mem_locked = {
	.se_header	= "Locked",
	.se_cmp		= sort__locked_cmp,
	.se_snprintf	= hist_entry__locked_snprintf,
	.se_width_idx	= HISTC_MEM_LOCKED,
};

struct sort_entry sort_mem_tlb = {
	.se_header	= "TLB access",
	.se_cmp		= sort__tlb_cmp,
	.se_snprintf	= hist_entry__tlb_snprintf,
	.se_width_idx	= HISTC_MEM_TLB,
};

struct sort_entry sort_mem_lvl = {
	.se_header	= "Memory access",
	.se_cmp		= sort__lvl_cmp,
	.se_snprintf	= hist_entry__lvl_snprintf,
	.se_width_idx	= HISTC_MEM_LVL,
};

struct sort_entry sort_mem_snoop = {
	.se_header	= "Snoop",
	.se_cmp		= sort__snoop_cmp,
	.se_snprintf	= hist_entry__snoop_snprintf,
	.se_width_idx	= HISTC_MEM_SNOOP,
};

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struct sort_entry sort_mem_dcacheline = {
	.se_header	= "Data Cacheline",
	.se_cmp		= sort__dcacheline_cmp,
	.se_snprintf	= hist_entry__dcacheline_snprintf,
	.se_width_idx	= HISTC_MEM_DCACHELINE,
};

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static int64_t
sort__abort_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return left->branch_info->flags.abort !=
		right->branch_info->flags.abort;
}

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static int hist_entry__abort_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	static const char *out = "N/A";

	if (he->branch_info) {
		if (he->branch_info->flags.abort)
			out = "A";
		else
			out = ".";
	}
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	return repsep_snprintf(bf, size, "%-*s", width, out);
}

struct sort_entry sort_abort = {
	.se_header	= "Transaction abort",
	.se_cmp		= sort__abort_cmp,
	.se_snprintf	= hist_entry__abort_snprintf,
	.se_width_idx	= HISTC_ABORT,
};

static int64_t
sort__in_tx_cmp(struct hist_entry *left, struct hist_entry *right)
{
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	if (!left->branch_info || !right->branch_info)
		return cmp_null(left->branch_info, right->branch_info);

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	return left->branch_info->flags.in_tx !=
		right->branch_info->flags.in_tx;
}

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static int hist_entry__in_tx_snprintf(struct hist_entry *he, char *bf,
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				    size_t size, unsigned int width)
{
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	static const char *out = "N/A";
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	if (he->branch_info) {
		if (he->branch_info->flags.in_tx)
			out = "T";
		else
			out = ".";
	}
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	return repsep_snprintf(bf, size, "%-*s", width, out);
}

struct sort_entry sort_in_tx = {
	.se_header	= "Branch in transaction",
	.se_cmp		= sort__in_tx_cmp,
	.se_snprintf	= hist_entry__in_tx_snprintf,
	.se_width_idx	= HISTC_IN_TX,
};

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static int64_t
sort__transaction_cmp(struct hist_entry *left, struct hist_entry *right)
{
	return left->transaction - right->transaction;
}

static inline char *add_str(char *p, const char *str)
{
	strcpy(p, str);
	return p + strlen(str);
}

static struct txbit {
	unsigned flag;
	const char *name;
	int skip_for_len;
} txbits[] = {
	{ PERF_TXN_ELISION,        "EL ",        0 },
	{ PERF_TXN_TRANSACTION,    "TX ",        1 },
	{ PERF_TXN_SYNC,           "SYNC ",      1 },
	{ PERF_TXN_ASYNC,          "ASYNC ",     0 },
	{ PERF_TXN_RETRY,          "RETRY ",     0 },
	{ PERF_TXN_CONFLICT,       "CON ",       0 },
	{ PERF_TXN_CAPACITY_WRITE, "CAP-WRITE ", 1 },
	{ PERF_TXN_CAPACITY_READ,  "CAP-READ ",  0 },
	{ 0, NULL, 0 }
};

int hist_entry__transaction_len(void)
{
	int i;
	int len = 0;

	for (i = 0; txbits[i].name; i++) {
		if (!txbits[i].skip_for_len)
			len += strlen(txbits[i].name);
	}
	len += 4; /* :XX<space> */
	return len;
}

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static int hist_entry__transaction_snprintf(struct hist_entry *he, char *bf,
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					    size_t size, unsigned int width)
{
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	u64 t = he->transaction;
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	char buf[128];
	char *p = buf;
	int i;

	buf[0] = 0;
	for (i = 0; txbits[i].name; i++)
		if (txbits[i].flag & t)
			p = add_str(p, txbits[i].name);
	if (t && !(t & (PERF_TXN_SYNC|PERF_TXN_ASYNC)))
		p = add_str(p, "NEITHER ");
	if (t & PERF_TXN_ABORT_MASK) {
		sprintf(p, ":%" PRIx64,
			(t & PERF_TXN_ABORT_MASK) >>
			PERF_TXN_ABORT_SHIFT);
		p += strlen(p);
	}

	return repsep_snprintf(bf, size, "%-*s", width, buf);
}

struct sort_entry sort_transaction = {
	.se_header	= "Transaction                ",
	.se_cmp		= sort__transaction_cmp,
	.se_snprintf	= hist_entry__transaction_snprintf,
	.se_width_idx	= HISTC_TRANSACTION,
};

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struct sort_dimension {
	const char		*name;
	struct sort_entry	*entry;
	int			taken;
};

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#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) }

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static struct sort_dimension common_sort_dimensions[] = {
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	DIM(SORT_PID, "pid", sort_thread),
	DIM(SORT_COMM, "comm", sort_comm),
	DIM(SORT_DSO, "dso", sort_dso),
	DIM(SORT_SYM, "symbol", sort_sym),
	DIM(SORT_PARENT, "parent", sort_parent),
	DIM(SORT_CPU, "cpu", sort_cpu),
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	DIM(SORT_SOCKET, "socket", sort_socket),
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	DIM(SORT_SRCLINE, "srcline", sort_srcline),
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	DIM(SORT_SRCFILE, "srcfile", sort_srcfile),
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	DIM(SORT_LOCAL_WEIGHT, "local_weight", sort_local_weight),
	DIM(SORT_GLOBAL_WEIGHT, "weight", sort_global_weight),
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	DIM(SORT_TRANSACTION, "transaction", sort_transaction),
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	DIM(SORT_TRACE, "trace", sort_trace),
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};

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#undef DIM

#define DIM(d, n, func) [d - __SORT_BRANCH_STACK] = { .name = n, .entry = &(func) }

static struct sort_dimension bstack_sort_dimensions[] = {
	DIM(SORT_DSO_FROM, "dso_from", sort_dso_from),
	DIM(SORT_DSO_TO, "dso_to", sort_dso_to),
	DIM(SORT_SYM_FROM, "symbol_from", sort_sym_from),
	DIM(SORT_SYM_TO, "symbol_to", sort_sym_to),
	DIM(SORT_MISPREDICT, "mispredict", sort_mispredict),
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	DIM(SORT_IN_TX, "in_tx", sort_in_tx),
	DIM(SORT_ABORT, "abort", sort_abort),
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	DIM(SORT_CYCLES, "cycles", sort_cycles),
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};

#undef DIM

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#define DIM(d, n, func) [d - __SORT_MEMORY_MODE] = { .name = n, .entry = &(func) }

static struct sort_dimension memory_sort_dimensions[] = {
	DIM(SORT_MEM_DADDR_SYMBOL, "symbol_daddr", sort_mem_daddr_sym),
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	DIM(SORT_MEM_IADDR_SYMBOL, "symbol_iaddr", sort_mem_iaddr_sym),
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	DIM(SORT_MEM_DADDR_DSO, "dso_daddr", sort_mem_daddr_dso),
	DIM(SORT_MEM_LOCKED, "locked", sort_mem_locked),
	DIM(SORT_MEM_TLB, "tlb", sort_mem_tlb),
	DIM(SORT_MEM_LVL, "mem", sort_mem_lvl),
	DIM(SORT_MEM_SNOOP, "snoop", sort_mem_snoop),
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	DIM(SORT_MEM_DCACHELINE, "dcacheline", sort_mem_dcacheline),
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};

#undef DIM

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struct hpp_dimension {
	const char		*name;
	struct perf_hpp_fmt	*fmt;
	int			taken;
};

#define DIM(d, n) { .name = n, .fmt = &perf_hpp__format[d], }

static struct hpp_dimension hpp_sort_dimensions[] = {
	DIM(PERF_HPP__OVERHEAD, "overhead"),
	DIM(PERF_HPP__OVERHEAD_SYS, "overhead_sys"),
	DIM(PERF_HPP__OVERHEAD_US, "overhead_us"),
	DIM(PERF_HPP__OVERHEAD_GUEST_SYS, "overhead_guest_sys"),
	DIM(PERF_HPP__OVERHEAD_GUEST_US, "overhead_guest_us"),
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	DIM(PERF_HPP__OVERHEAD_ACC, "overhead_children"),
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	DIM(PERF_HPP__SAMPLES, "sample"),
	DIM(PERF_HPP__PERIOD, "period"),
};

#undef DIM

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struct hpp_sort_entry {
	struct perf_hpp_fmt hpp;
	struct sort_entry *se;
};

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void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
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{
	struct hpp_sort_entry *hse;

	if (!perf_hpp__is_sort_entry(fmt))
		return;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
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	hists__new_col_len(hists, hse->se->se_width_idx, strlen(fmt->name));
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}

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static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			      struct perf_evsel *evsel)
{
	struct hpp_sort_entry *hse;
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	size_t len = fmt->user_len;
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	hse = container_of(fmt, struct hpp_sort_entry, hpp);

1416
	if (!len)
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		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
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	return scnprintf(hpp->buf, hpp->size, "%-*.*s", len, len, fmt->name);
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}

static int __sort__hpp_width(struct perf_hpp_fmt *fmt,
			     struct perf_hpp *hpp __maybe_unused,
			     struct perf_evsel *evsel)
{
	struct hpp_sort_entry *hse;
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	size_t len = fmt->user_len;
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	hse = container_of(fmt, struct hpp_sort_entry, hpp);

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	if (!len)
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		len = hists__col_len(evsel__hists(evsel), hse->se->se_width_idx);
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	return len;
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}

static int __sort__hpp_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			     struct hist_entry *he)
{
	struct hpp_sort_entry *hse;
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	size_t len = fmt->user_len;
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	hse = container_of(fmt, struct hpp_sort_entry, hpp);
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	if (!len)
		len = hists__col_len(he->hists, hse->se->se_width_idx);
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	return hse->se->se_snprintf(he, hpp->buf, hpp->size, len);
}

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static int64_t __sort__hpp_cmp(struct perf_hpp_fmt *fmt,
			       struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	return hse->se->se_cmp(a, b);
}

static int64_t __sort__hpp_collapse(struct perf_hpp_fmt *fmt,
				    struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;
	int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	collapse_fn = hse->se->se_collapse ?: hse->se->se_cmp;
	return collapse_fn(a, b);
}

static int64_t __sort__hpp_sort(struct perf_hpp_fmt *fmt,
				struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_sort_entry *hse;
	int64_t (*sort_fn)(struct hist_entry *, struct hist_entry *);

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	sort_fn = hse->se->se_sort ?: hse->se->se_cmp;
	return sort_fn(a, b);
}

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bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format)
{
	return format->header == __sort__hpp_header;
}

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#define MK_SORT_ENTRY_CHK(key)					\
bool perf_hpp__is_ ## key ## _entry(struct perf_hpp_fmt *fmt)	\
{								\
	struct hpp_sort_entry *hse;				\
								\
	if (!perf_hpp__is_sort_entry(fmt))			\
		return false;					\
								\
	hse = container_of(fmt, struct hpp_sort_entry, hpp);	\
	return hse->se == &sort_ ## key ;			\
}

MK_SORT_ENTRY_CHK(trace)
MK_SORT_ENTRY_CHK(srcline)
MK_SORT_ENTRY_CHK(srcfile)
MK_SORT_ENTRY_CHK(thread)
MK_SORT_ENTRY_CHK(comm)
MK_SORT_ENTRY_CHK(dso)
MK_SORT_ENTRY_CHK(sym)
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static bool __sort__hpp_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
{
	struct hpp_sort_entry *hse_a;
	struct hpp_sort_entry *hse_b;

	if (!perf_hpp__is_sort_entry(a) || !perf_hpp__is_sort_entry(b))
		return false;

	hse_a = container_of(a, struct hpp_sort_entry, hpp);
	hse_b = container_of(b, struct hpp_sort_entry, hpp);

	return hse_a->se == hse_b->se;
}

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static void hse_free(struct perf_hpp_fmt *fmt)
{
	struct hpp_sort_entry *hse;

	hse = container_of(fmt, struct hpp_sort_entry, hpp);
	free(hse);
}

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static struct hpp_sort_entry *
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__sort_dimension__alloc_hpp(struct sort_dimension *sd, int level)
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{
	struct hpp_sort_entry *hse;

	hse = malloc(sizeof(*hse));
	if (hse == NULL) {
		pr_err("Memory allocation failed\n");
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		return NULL;
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	}

	hse->se = sd->entry;
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	hse->hpp.name = sd->entry->se_header;
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	hse->hpp.header = __sort__hpp_header;
	hse->hpp.width = __sort__hpp_width;
	hse->hpp.entry = __sort__hpp_entry;
	hse->hpp.color = NULL;

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	hse->hpp.cmp = __sort__hpp_cmp;
	hse->hpp.collapse = __sort__hpp_collapse;
	hse->hpp.sort = __sort__hpp_sort;
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	hse->hpp.equal = __sort__hpp_equal;
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	hse->hpp.free = hse_free;
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	INIT_LIST_HEAD(&hse->hpp.list);
	INIT_LIST_HEAD(&hse->hpp.sort_list);
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	hse->hpp.elide = false;
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	hse->hpp.len = 0;
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	hse->hpp.user_len = 0;
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	hse->hpp.level = level;
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	return hse;
}

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static void hpp_free(struct perf_hpp_fmt *fmt)
{
	free(fmt);
}

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static struct perf_hpp_fmt *__hpp_dimension__alloc_hpp(struct hpp_dimension *hd,
						       int level)
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{
	struct perf_hpp_fmt *fmt;

	fmt = memdup(hd->fmt, sizeof(*fmt));
	if (fmt) {
		INIT_LIST_HEAD(&fmt->list);
		INIT_LIST_HEAD(&fmt->sort_list);
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		fmt->free = hpp_free;
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		fmt->level = level;
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	}

	return fmt;
}

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int hist_entry__filter(struct hist_entry *he, int type, const void *arg)
{
	struct perf_hpp_fmt *fmt;
	struct hpp_sort_entry *hse;
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	int ret = -1;
	int r;

	perf_hpp_list__for_each_format(he->hpp_list, fmt) {
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		if (hse->se->se_filter == NULL)
			continue;

		/*
		 * hist entry is filtered if any of sort key in the hpp list
		 * is applied.  But it should skip non-matched filter types.
		 */
		r = hse->se->se_filter(he, type, arg);
		if (r >= 0) {
			if (ret < 0)
				ret = 0;
			ret |= r;
		}
	}
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1612
	return ret;
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}

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static int __sort_dimension__add_hpp_sort(struct sort_dimension *sd,
					  struct perf_hpp_list *list,
					  int level)
1618
{
1619
	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, level);
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	if (hse == NULL)
		return -1;

1624
	perf_hpp_list__register_sort_field(list, &hse->hpp);
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	return 0;
}

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static int __sort_dimension__add_hpp_output(struct sort_dimension *sd,
					    struct perf_hpp_list *list)
1630
{
1631
	struct hpp_sort_entry *hse = __sort_dimension__alloc_hpp(sd, 0);
1632 1633 1634 1635

	if (hse == NULL)
		return -1;

1636
	perf_hpp_list__column_register(list, &hse->hpp);
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	return 0;
}

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struct hpp_dynamic_entry {
	struct perf_hpp_fmt hpp;
	struct perf_evsel *evsel;
	struct format_field *field;
	unsigned dynamic_len;
1645
	bool raw_trace;
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};

static int hde_width(struct hpp_dynamic_entry *hde)
{
	if (!hde->hpp.len) {
		int len = hde->dynamic_len;
		int namelen = strlen(hde->field->name);
		int fieldlen = hde->field->size;

		if (namelen > len)
			len = namelen;

		if (!(hde->field->flags & FIELD_IS_STRING)) {
			/* length for print hex numbers */
			fieldlen = hde->field->size * 2 + 2;
		}
		if (fieldlen > len)
			len = fieldlen;

		hde->hpp.len = len;
	}
	return hde->hpp.len;
}

1670 1671 1672 1673 1674 1675 1676 1677
static void update_dynamic_len(struct hpp_dynamic_entry *hde,
			       struct hist_entry *he)
{
	char *str, *pos;
	struct format_field *field = hde->field;
	size_t namelen;
	bool last = false;

1678 1679 1680
	if (hde->raw_trace)
		return;

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	/* parse pretty print result and update max length */
	if (!he->trace_output)
		he->trace_output = get_trace_output(he);

	namelen = strlen(field->name);
	str = he->trace_output;

	while (str) {
		pos = strchr(str, ' ');
		if (pos == NULL) {
			last = true;
			pos = str + strlen(str);
		}

		if (!strncmp(str, field->name, namelen)) {
			size_t len;

			str += namelen + 1;
			len = pos - str;

			if (len > hde->dynamic_len)
				hde->dynamic_len = len;
			break;
		}

		if (last)
			str = NULL;
		else
			str = pos + 1;
	}
}

1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741
static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			      struct perf_evsel *evsel __maybe_unused)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

	return scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, hde->field->name);
}

static int __sort__hde_width(struct perf_hpp_fmt *fmt,
			     struct perf_hpp *hpp __maybe_unused,
			     struct perf_evsel *evsel __maybe_unused)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

	return len;
}

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bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists)
{
	struct hpp_dynamic_entry *hde;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	return hists_to_evsel(hists) == hde->evsel;
}

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static int __sort__hde_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
			     struct hist_entry *he)
{
	struct hpp_dynamic_entry *hde;
	size_t len = fmt->user_len;
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	char *str, *pos;
	struct format_field *field;
	size_t namelen;
	bool last = false;
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	int ret;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

	if (!len)
		len = hde_width(hde);

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	if (hde->raw_trace)
		goto raw_field;
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	if (!he->trace_output)
		he->trace_output = get_trace_output(he);

1773
	field = hde->field;
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	namelen = strlen(field->name);
	str = he->trace_output;

	while (str) {
		pos = strchr(str, ' ');
		if (pos == NULL) {
			last = true;
			pos = str + strlen(str);
		}

		if (!strncmp(str, field->name, namelen)) {
			str += namelen + 1;
			str = strndup(str, pos - str);

			if (str == NULL)
				return scnprintf(hpp->buf, hpp->size,
						 "%*.*s", len, len, "ERROR");
			break;
		}

		if (last)
			str = NULL;
		else
			str = pos + 1;
	}

	if (str == NULL) {
		struct trace_seq seq;
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raw_field:
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		trace_seq_init(&seq);
		pevent_print_field(&seq, he->raw_data, hde->field);
		str = seq.buffer;
	}

	ret = scnprintf(hpp->buf, hpp->size, "%*.*s", len, len, str);
	free(str);
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	return ret;
}

static int64_t __sort__hde_cmp(struct perf_hpp_fmt *fmt,
			       struct hist_entry *a, struct hist_entry *b)
{
	struct hpp_dynamic_entry *hde;
	struct format_field *field;
	unsigned offset, size;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);

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	if (b == NULL) {
		update_dynamic_len(hde, a);
		return 0;
	}

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	field = hde->field;
	if (field->flags & FIELD_IS_DYNAMIC) {
		unsigned long long dyn;

		pevent_read_number_field(field, a->raw_data, &dyn);
		offset = dyn & 0xffff;
		size = (dyn >> 16) & 0xffff;

		/* record max width for output */
		if (size > hde->dynamic_len)
			hde->dynamic_len = size;
	} else {
		offset = field->offset;
		size = field->size;
	}

	return memcmp(a->raw_data + offset, b->raw_data + offset, size);
}

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bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *fmt)
{
	return fmt->cmp == __sort__hde_cmp;
}

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static bool __sort__hde_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
{
	struct hpp_dynamic_entry *hde_a;
	struct hpp_dynamic_entry *hde_b;

	if (!perf_hpp__is_dynamic_entry(a) || !perf_hpp__is_dynamic_entry(b))
		return false;

	hde_a = container_of(a, struct hpp_dynamic_entry, hpp);
	hde_b = container_of(b, struct hpp_dynamic_entry, hpp);

	return hde_a->field == hde_b->field;
}

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static void hde_free(struct perf_hpp_fmt *fmt)
{
	struct hpp_dynamic_entry *hde;

	hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
	free(hde);
}

1873
static struct hpp_dynamic_entry *
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__alloc_dynamic_entry(struct perf_evsel *evsel, struct format_field *field,
		      int level)
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{
	struct hpp_dynamic_entry *hde;

	hde = malloc(sizeof(*hde));
	if (hde == NULL) {
		pr_debug("Memory allocation failed\n");
		return NULL;
	}

	hde->evsel = evsel;
	hde->field = field;
	hde->dynamic_len = 0;

	hde->hpp.name = field->name;
	hde->hpp.header = __sort__hde_header;
	hde->hpp.width  = __sort__hde_width;
	hde->hpp.entry  = __sort__hde_entry;
	hde->hpp.color  = NULL;

	hde->hpp.cmp = __sort__hde_cmp;
	hde->hpp.collapse = __sort__hde_cmp;
	hde->hpp.sort = __sort__hde_cmp;
1898
	hde->hpp.equal = __sort__hde_equal;
1899
	hde->hpp.free = hde_free;
1900 1901 1902 1903 1904 1905

	INIT_LIST_HEAD(&hde->hpp.list);
	INIT_LIST_HEAD(&hde->hpp.sort_list);
	hde->hpp.elide = false;
	hde->hpp.len = 0;
	hde->hpp.user_len = 0;
1906
	hde->hpp.level = level;
1907 1908 1909 1910

	return hde;
}

1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938
struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt)
{
	struct perf_hpp_fmt *new_fmt = NULL;

	if (perf_hpp__is_sort_entry(fmt)) {
		struct hpp_sort_entry *hse, *new_hse;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		new_hse = memdup(hse, sizeof(*hse));
		if (new_hse)
			new_fmt = &new_hse->hpp;
	} else if (perf_hpp__is_dynamic_entry(fmt)) {
		struct hpp_dynamic_entry *hde, *new_hde;

		hde = container_of(fmt, struct hpp_dynamic_entry, hpp);
		new_hde = memdup(hde, sizeof(*hde));
		if (new_hde)
			new_fmt = &new_hde->hpp;
	} else {
		new_fmt = memdup(fmt, sizeof(*fmt));
	}

	INIT_LIST_HEAD(&new_fmt->list);
	INIT_LIST_HEAD(&new_fmt->sort_list);

	return new_fmt;
}

1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964
static int parse_field_name(char *str, char **event, char **field, char **opt)
{
	char *event_name, *field_name, *opt_name;

	event_name = str;
	field_name = strchr(str, '.');

	if (field_name) {
		*field_name++ = '\0';
	} else {
		event_name = NULL;
		field_name = str;
	}

	opt_name = strchr(field_name, '/');
	if (opt_name)
		*opt_name++ = '\0';

	*event = event_name;
	*field = field_name;
	*opt   = opt_name;

	return 0;
}

/* find match evsel using a given event name.  The event name can be:
1965 1966 1967
 *   1. '%' + event index (e.g. '%1' for first event)
 *   2. full event name (e.g. sched:sched_switch)
 *   3. partial event name (should not contain ':')
1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
 */
static struct perf_evsel *find_evsel(struct perf_evlist *evlist, char *event_name)
{
	struct perf_evsel *evsel = NULL;
	struct perf_evsel *pos;
	bool full_name;

	/* case 1 */
	if (event_name[0] == '%') {
		int nr = strtol(event_name+1, NULL, 0);

		if (nr > evlist->nr_entries)
			return NULL;

		evsel = perf_evlist__first(evlist);
		while (--nr > 0)
			evsel = perf_evsel__next(evsel);

		return evsel;
	}

	full_name = !!strchr(event_name, ':');
	evlist__for_each(evlist, pos) {
1991
		/* case 2 */
1992 1993
		if (full_name && !strcmp(pos->name, event_name))
			return pos;
1994
		/* case 3 */
1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
		if (!full_name && strstr(pos->name, event_name)) {
			if (evsel) {
				pr_debug("'%s' event is ambiguous: it can be %s or %s\n",
					 event_name, evsel->name, pos->name);
				return NULL;
			}
			evsel = pos;
		}
	}

	return evsel;
}

2008 2009
static int __dynamic_dimension__add(struct perf_evsel *evsel,
				    struct format_field *field,
2010
				    bool raw_trace, int level)
2011 2012 2013
{
	struct hpp_dynamic_entry *hde;

2014
	hde = __alloc_dynamic_entry(evsel, field, level);
2015 2016 2017 2018 2019 2020 2021 2022 2023
	if (hde == NULL)
		return -ENOMEM;

	hde->raw_trace = raw_trace;

	perf_hpp__register_sort_field(&hde->hpp);
	return 0;
}

2024
static int add_evsel_fields(struct perf_evsel *evsel, bool raw_trace, int level)
2025 2026 2027 2028 2029 2030
{
	int ret;
	struct format_field *field;

	field = evsel->tp_format->format.fields;
	while (field) {
2031
		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2032 2033 2034 2035 2036 2037 2038 2039
		if (ret < 0)
			return ret;

		field = field->next;
	}
	return 0;
}

2040 2041
static int add_all_dynamic_fields(struct perf_evlist *evlist, bool raw_trace,
				  int level)
2042 2043 2044 2045 2046 2047 2048 2049
{
	int ret;
	struct perf_evsel *evsel;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
			continue;

2050
		ret = add_evsel_fields(evsel, raw_trace, level);
2051 2052 2053 2054 2055 2056
		if (ret < 0)
			return ret;
	}
	return 0;
}

2057
static int add_all_matching_fields(struct perf_evlist *evlist,
2058
				   char *field_name, bool raw_trace, int level)
2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071
{
	int ret = -ESRCH;
	struct perf_evsel *evsel;
	struct format_field *field;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
			continue;

		field = pevent_find_any_field(evsel->tp_format, field_name);
		if (field == NULL)
			continue;

2072
		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2073 2074 2075 2076 2077 2078
		if (ret < 0)
			break;
	}
	return ret;
}

2079 2080
static int add_dynamic_entry(struct perf_evlist *evlist, const char *tok,
			     int level)
2081
{
2082 2083
	char *str, *event_name, *field_name, *opt_name;
	struct perf_evsel *evsel;
2084
	struct format_field *field;
2085
	bool raw_trace = symbol_conf.raw_trace;
2086 2087 2088 2089 2090 2091 2092 2093 2094
	int ret = 0;

	if (evlist == NULL)
		return -ENOENT;

	str = strdup(tok);
	if (str == NULL)
		return -ENOMEM;

2095
	if (parse_field_name(str, &event_name, &field_name, &opt_name) < 0) {
2096 2097 2098 2099
		ret = -EINVAL;
		goto out;
	}

2100 2101 2102
	if (opt_name) {
		if (strcmp(opt_name, "raw")) {
			pr_debug("unsupported field option %s\n", opt_name);
2103 2104 2105 2106 2107 2108
			ret = -EINVAL;
			goto out;
		}
		raw_trace = true;
	}

2109
	if (!strcmp(field_name, "trace_fields")) {
2110
		ret = add_all_dynamic_fields(evlist, raw_trace, level);
2111 2112 2113
		goto out;
	}

2114
	if (event_name == NULL) {
2115
		ret = add_all_matching_fields(evlist, field_name, raw_trace, level);
2116 2117 2118
		goto out;
	}

2119
	evsel = find_evsel(evlist, event_name);
2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131
	if (evsel == NULL) {
		pr_debug("Cannot find event: %s\n", event_name);
		ret = -ENOENT;
		goto out;
	}

	if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
		pr_debug("%s is not a tracepoint event\n", event_name);
		ret = -EINVAL;
		goto out;
	}

2132
	if (!strcmp(field_name, "*")) {
2133
		ret = add_evsel_fields(evsel, raw_trace, level);
2134 2135 2136 2137 2138 2139 2140 2141
	} else {
		field = pevent_find_any_field(evsel->tp_format, field_name);
		if (field == NULL) {
			pr_debug("Cannot find event field for %s.%s\n",
				 event_name, field_name);
			return -ENOENT;
		}

2142
		ret = __dynamic_dimension__add(evsel, field, raw_trace, level);
2143
	}
2144 2145 2146 2147 2148 2149

out:
	free(str);
	return ret;
}

2150 2151 2152
static int __sort_dimension__add(struct sort_dimension *sd,
				 struct perf_hpp_list *list,
				 int level)
2153 2154
{
	if (sd->taken)
2155 2156
		return 0;

2157
	if (__sort_dimension__add_hpp_sort(sd, list, level) < 0)
2158
		return -1;
2159 2160

	if (sd->entry->se_collapse)
2161
		list->need_collapse = 1;
2162 2163

	sd->taken = 1;
2164 2165

	return 0;
2166 2167
}

2168 2169 2170
static int __hpp_dimension__add(struct hpp_dimension *hd,
				struct perf_hpp_list *list,
				int level)
2171
{
2172
	struct perf_hpp_fmt *fmt;
2173

2174 2175 2176
	if (hd->taken)
		return 0;

2177
	fmt = __hpp_dimension__alloc_hpp(hd, level);
2178 2179 2180 2181
	if (!fmt)
		return -1;

	hd->taken = 1;
2182
	perf_hpp_list__register_sort_field(list, fmt);
2183 2184 2185
	return 0;
}

2186 2187
static int __sort_dimension__add_output(struct perf_hpp_list *list,
					struct sort_dimension *sd)
2188 2189 2190 2191
{
	if (sd->taken)
		return 0;

2192
	if (__sort_dimension__add_hpp_output(sd, list) < 0)
2193 2194 2195 2196 2197 2198
		return -1;

	sd->taken = 1;
	return 0;
}

2199 2200
static int __hpp_dimension__add_output(struct perf_hpp_list *list,
				       struct hpp_dimension *hd)
2201
{
2202
	struct perf_hpp_fmt *fmt;
2203

2204 2205 2206
	if (hd->taken)
		return 0;

2207
	fmt = __hpp_dimension__alloc_hpp(hd, 0);
2208 2209 2210 2211
	if (!fmt)
		return -1;

	hd->taken = 1;
2212
	perf_hpp_list__column_register(list, fmt);
2213 2214 2215
	return 0;
}

2216 2217 2218
int hpp_dimension__add_output(unsigned col)
{
	BUG_ON(col >= PERF_HPP__MAX_INDEX);
2219
	return __hpp_dimension__add_output(&perf_hpp_list, &hpp_sort_dimensions[col]);
2220 2221
}

2222
static int sort_dimension__add(struct perf_hpp_list *list, const char *tok,
2223
			       struct perf_evlist *evlist,
2224
			       int level)
2225 2226 2227
{
	unsigned int i;

2228 2229
	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
		struct sort_dimension *sd = &common_sort_dimensions[i];
2230 2231 2232

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;
2233

2234 2235 2236 2237 2238 2239
		if (sd->entry == &sort_parent) {
			int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
			if (ret) {
				char err[BUFSIZ];

				regerror(ret, &parent_regex, err, sizeof(err));
2240 2241
				pr_err("Invalid regex: %s\n%s", parent_pattern, err);
				return -EINVAL;
2242
			}
2243
			list->parent = 1;
2244
		} else if (sd->entry == &sort_sym) {
2245
			list->sym = 1;
2246 2247 2248 2249 2250 2251 2252 2253 2254
			/*
			 * perf diff displays the performance difference amongst
			 * two or more perf.data files. Those files could come
			 * from different binaries. So we should not compare
			 * their ips, but the name of symbol.
			 */
			if (sort__mode == SORT_MODE__DIFF)
				sd->entry->se_collapse = sort__sym_sort;

2255
		} else if (sd->entry == &sort_dso) {
2256
			list->dso = 1;
2257
		} else if (sd->entry == &sort_socket) {
2258
			list->socket = 1;
2259 2260
		} else if (sd->entry == &sort_thread) {
			sort__has_thread = 1;
2261 2262
		} else if (sd->entry == &sort_comm) {
			sort__has_comm = 1;
2263 2264
		}

2265
		return __sort_dimension__add(sd, list, level);
2266
	}
2267

2268 2269 2270 2271 2272 2273
	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
		struct hpp_dimension *hd = &hpp_sort_dimensions[i];

		if (strncasecmp(tok, hd->name, strlen(tok)))
			continue;

2274
		return __hpp_dimension__add(hd, list, level);
2275 2276
	}

2277 2278 2279 2280 2281 2282
	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
		struct sort_dimension *sd = &bstack_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2283
		if (sort__mode != SORT_MODE__BRANCH)
2284 2285 2286
			return -EINVAL;

		if (sd->entry == &sort_sym_from || sd->entry == &sort_sym_to)
2287
			list->sym = 1;
2288

2289
		__sort_dimension__add(sd, list, level);
2290 2291 2292
		return 0;
	}

2293 2294 2295 2296 2297 2298 2299 2300 2301 2302
	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
		struct sort_dimension *sd = &memory_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

		if (sort__mode != SORT_MODE__MEMORY)
			return -EINVAL;

		if (sd->entry == &sort_mem_daddr_sym)
2303
			list->sym = 1;
2304

2305
		__sort_dimension__add(sd, list, level);
2306 2307 2308
		return 0;
	}

2309
	if (!add_dynamic_entry(evlist, tok, level))
2310 2311
		return 0;

2312 2313
	return -ESRCH;
}
2314

2315 2316
static int setup_sort_list(struct perf_hpp_list *list, char *str,
			   struct perf_evlist *evlist)
2317 2318 2319
{
	char *tmp, *tok;
	int ret = 0;
2320
	int level = 0;
2321 2322 2323 2324 2325 2326 2327 2328 2329 2330 2331 2332 2333 2334 2335 2336 2337 2338 2339 2340
	int next_level = 1;
	bool in_group = false;

	do {
		tok = str;
		tmp = strpbrk(str, "{}, ");
		if (tmp) {
			if (in_group)
				next_level = level;
			else
				next_level = level + 1;

			if (*tmp == '{')
				in_group = true;
			else if (*tmp == '}')
				in_group = false;

			*tmp = '\0';
			str = tmp + 1;
		}
2341

2342
		if (*tok) {
2343
			ret = sort_dimension__add(list, tok, evlist, level);
2344 2345 2346 2347 2348 2349 2350
			if (ret == -EINVAL) {
				error("Invalid --sort key: `%s'", tok);
				break;
			} else if (ret == -ESRCH) {
				error("Unknown --sort key: `%s'", tok);
				break;
			}
2351
		}
2352 2353 2354

		level = next_level;
	} while (tmp);
2355 2356 2357 2358

	return ret;
}

2359
static const char *get_default_sort_order(struct perf_evlist *evlist)
2360 2361 2362 2363 2364 2365 2366
{
	const char *default_sort_orders[] = {
		default_sort_order,
		default_branch_sort_order,
		default_mem_sort_order,
		default_top_sort_order,
		default_diff_sort_order,
2367
		default_tracepoint_sort_order,
2368
	};
2369 2370
	bool use_trace = true;
	struct perf_evsel *evsel;
2371 2372 2373

	BUG_ON(sort__mode >= ARRAY_SIZE(default_sort_orders));

2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
	if (evlist == NULL)
		goto out_no_evlist;

	evlist__for_each(evlist, evsel) {
		if (evsel->attr.type != PERF_TYPE_TRACEPOINT) {
			use_trace = false;
			break;
		}
	}

	if (use_trace) {
		sort__mode = SORT_MODE__TRACEPOINT;
		if (symbol_conf.raw_trace)
			return "trace_fields";
	}
out_no_evlist:
2390 2391 2392
	return default_sort_orders[sort__mode];
}

2393
static int setup_sort_order(struct perf_evlist *evlist)
2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413
{
	char *new_sort_order;

	/*
	 * Append '+'-prefixed sort order to the default sort
	 * order string.
	 */
	if (!sort_order || is_strict_order(sort_order))
		return 0;

	if (sort_order[1] == '\0') {
		error("Invalid --sort key: `+'");
		return -EINVAL;
	}

	/*
	 * We allocate new sort_order string, but we never free it,
	 * because it's checked over the rest of the code.
	 */
	if (asprintf(&new_sort_order, "%s,%s",
2414
		     get_default_sort_order(evlist), sort_order + 1) < 0) {
2415 2416 2417 2418 2419 2420 2421 2422
		error("Not enough memory to set up --sort");
		return -ENOMEM;
	}

	sort_order = new_sort_order;
	return 0;
}

2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450
/*
 * Adds 'pre,' prefix into 'str' is 'pre' is
 * not already part of 'str'.
 */
static char *prefix_if_not_in(const char *pre, char *str)
{
	char *n;

	if (!str || strstr(str, pre))
		return str;

	if (asprintf(&n, "%s,%s", pre, str) < 0)
		return NULL;

	free(str);
	return n;
}

static char *setup_overhead(char *keys)
{
	keys = prefix_if_not_in("overhead", keys);

	if (symbol_conf.cumulate_callchain)
		keys = prefix_if_not_in("overhead_children", keys);

	return keys;
}

2451
static int __setup_sorting(struct perf_evlist *evlist)
2452
{
2453
	char *str;
2454
	const char *sort_keys;
2455
	int ret = 0;
2456

2457
	ret = setup_sort_order(evlist);
2458 2459 2460 2461
	if (ret)
		return ret;

	sort_keys = sort_order;
2462
	if (sort_keys == NULL) {
2463
		if (is_strict_order(field_order)) {
2464 2465 2466 2467 2468 2469 2470
			/*
			 * If user specified field order but no sort order,
			 * we'll honor it and not add default sort orders.
			 */
			return 0;
		}

2471
		sort_keys = get_default_sort_order(evlist);
2472
	}
2473 2474

	str = strdup(sort_keys);
2475 2476 2477 2478 2479
	if (str == NULL) {
		error("Not enough memory to setup sort keys");
		return -ENOMEM;
	}

2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490
	/*
	 * Prepend overhead fields for backward compatibility.
	 */
	if (!is_strict_order(field_order)) {
		str = setup_overhead(str);
		if (str == NULL) {
			error("Not enough memory to setup overhead keys");
			return -ENOMEM;
		}
	}

2491
	ret = setup_sort_list(&perf_hpp_list, str, evlist);
2492 2493

	free(str);
2494
	return ret;
2495
}
2496

2497
void perf_hpp__set_elide(int idx, bool elide)
2498
{
2499 2500
	struct perf_hpp_fmt *fmt;
	struct hpp_sort_entry *hse;
2501

2502
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2503 2504 2505 2506 2507 2508 2509 2510
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		if (hse->se->se_width_idx == idx) {
			fmt->elide = elide;
			break;
		}
2511 2512 2513
	}
}

2514
static bool __get_elide(struct strlist *list, const char *list_name, FILE *fp)
2515 2516 2517 2518 2519
{
	if (list && strlist__nr_entries(list) == 1) {
		if (fp != NULL)
			fprintf(fp, "# %s: %s\n", list_name,
				strlist__entry(list, 0)->s);
2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535
		return true;
	}
	return false;
}

static bool get_elide(int idx, FILE *output)
{
	switch (idx) {
	case HISTC_SYMBOL:
		return __get_elide(symbol_conf.sym_list, "symbol", output);
	case HISTC_DSO:
		return __get_elide(symbol_conf.dso_list, "dso", output);
	case HISTC_COMM:
		return __get_elide(symbol_conf.comm_list, "comm", output);
	default:
		break;
2536
	}
2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554

	if (sort__mode != SORT_MODE__BRANCH)
		return false;

	switch (idx) {
	case HISTC_SYMBOL_FROM:
		return __get_elide(symbol_conf.sym_from_list, "sym_from", output);
	case HISTC_SYMBOL_TO:
		return __get_elide(symbol_conf.sym_to_list, "sym_to", output);
	case HISTC_DSO_FROM:
		return __get_elide(symbol_conf.dso_from_list, "dso_from", output);
	case HISTC_DSO_TO:
		return __get_elide(symbol_conf.dso_to_list, "dso_to", output);
	default:
		break;
	}

	return false;
2555
}
2556 2557 2558

void sort__setup_elide(FILE *output)
{
2559 2560
	struct perf_hpp_fmt *fmt;
	struct hpp_sort_entry *hse;
2561

2562
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2563 2564 2565 2566 2567
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

		hse = container_of(fmt, struct hpp_sort_entry, hpp);
		fmt->elide = get_elide(hse->se->se_width_idx, output);
2568 2569
	}

2570 2571 2572 2573
	/*
	 * It makes no sense to elide all of sort entries.
	 * Just revert them to show up again.
	 */
2574
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2575 2576 2577
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

2578
		if (!fmt->elide)
2579 2580 2581
			return;
	}

2582
	perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
2583 2584 2585
		if (!perf_hpp__is_sort_entry(fmt))
			continue;

2586
		fmt->elide = false;
2587
	}
2588
}
2589

2590
static int output_field_add(struct perf_hpp_list *list, char *tok)
2591 2592 2593 2594 2595 2596 2597 2598 2599
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++) {
		struct sort_dimension *sd = &common_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2600
		return __sort_dimension__add_output(list, sd);
2601 2602 2603 2604 2605 2606 2607 2608
	}

	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++) {
		struct hpp_dimension *hd = &hpp_sort_dimensions[i];

		if (strncasecmp(tok, hd->name, strlen(tok)))
			continue;

2609
		return __hpp_dimension__add_output(list, hd);
2610 2611 2612 2613 2614 2615 2616 2617
	}

	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++) {
		struct sort_dimension *sd = &bstack_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2618
		return __sort_dimension__add_output(list, sd);
2619 2620 2621 2622 2623 2624 2625 2626
	}

	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++) {
		struct sort_dimension *sd = &memory_sort_dimensions[i];

		if (strncasecmp(tok, sd->name, strlen(tok)))
			continue;

2627
		return __sort_dimension__add_output(list, sd);
2628 2629 2630 2631 2632
	}

	return -ESRCH;
}

2633
static int setup_output_list(struct perf_hpp_list *list, char *str)
2634 2635 2636 2637 2638 2639
{
	char *tmp, *tok;
	int ret = 0;

	for (tok = strtok_r(str, ", ", &tmp);
			tok; tok = strtok_r(NULL, ", ", &tmp)) {
2640
		ret = output_field_add(list, tok);
2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652
		if (ret == -EINVAL) {
			error("Invalid --fields key: `%s'", tok);
			break;
		} else if (ret == -ESRCH) {
			error("Unknown --fields key: `%s'", tok);
			break;
		}
	}

	return ret;
}

2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663 2664 2665 2666 2667 2668 2669
static void reset_dimensions(void)
{
	unsigned int i;

	for (i = 0; i < ARRAY_SIZE(common_sort_dimensions); i++)
		common_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(hpp_sort_dimensions); i++)
		hpp_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(bstack_sort_dimensions); i++)
		bstack_sort_dimensions[i].taken = 0;

	for (i = 0; i < ARRAY_SIZE(memory_sort_dimensions); i++)
		memory_sort_dimensions[i].taken = 0;
}

2670 2671 2672 2673 2674
bool is_strict_order(const char *order)
{
	return order && (*order != '+');
}

2675 2676
static int __setup_output_field(void)
{
2677
	char *str, *strp;
2678
	int ret = -EINVAL;
2679 2680 2681 2682

	if (field_order == NULL)
		return 0;

2683
	strp = str = strdup(field_order);
2684 2685 2686 2687 2688
	if (str == NULL) {
		error("Not enough memory to setup output fields");
		return -ENOMEM;
	}

2689 2690 2691 2692 2693 2694 2695 2696
	if (!is_strict_order(field_order))
		strp++;

	if (!strlen(strp)) {
		error("Invalid --fields key: `+'");
		goto out;
	}

2697
	ret = setup_output_list(&perf_hpp_list, strp);
2698

2699
out:
2700 2701 2702 2703
	free(str);
	return ret;
}

2704 2705 2706 2707 2708 2709 2710 2711 2712
int setup_sorting(struct perf_evlist *evlist)
{
	int err;

	err = __setup_sorting(evlist);
	if (err < 0)
		return err;

	if (parent_pattern != default_parent_pattern) {
2713
		err = sort_dimension__add(&perf_hpp_list, "parent", evlist, -1);
2714 2715 2716 2717
		if (err < 0)
			return err;
	}

2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730
	reset_dimensions();

	/*
	 * perf diff doesn't use default hpp output fields.
	 */
	if (sort__mode != SORT_MODE__DIFF)
		perf_hpp__init();

	err = __setup_output_field();
	if (err < 0)
		return err;

	/* copy sort keys to output fields */
2731
	perf_hpp__setup_output_field(&perf_hpp_list);
2732
	/* and then copy output fields to sort keys */
2733
	perf_hpp__append_sort_keys(&perf_hpp_list);
2734

2735 2736 2737 2738
	/* setup hists-specific output fields */
	if (perf_hpp__setup_hists_formats(&perf_hpp_list, evlist) < 0)
		return -1;

2739 2740
	return 0;
}
2741 2742 2743

void reset_output_field(void)
{
2744
	perf_hpp_list.need_collapse = 0;
2745
	perf_hpp_list.parent = 0;
2746
	perf_hpp_list.sym = 0;
2747
	perf_hpp_list.dso = 0;
2748

2749 2750 2751
	field_order = NULL;
	sort_order = NULL;

2752
	reset_dimensions();
2753
	perf_hpp__reset_output_field(&perf_hpp_list);
2754
}