perf trace: Use strarray for ltrace's whence arg

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-5f9jhbq8my4ojarhtlygveox@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 1f115cb7
......@@ -72,31 +72,6 @@ static size_t syscall_arg__scnprintf_hex(char *bf, size_t size,
#define SCA_HEX syscall_arg__scnprintf_hex
static size_t syscall_arg__scnprintf_whence(char *bf, size_t size,
struct syscall_arg *arg)
{
int whence = arg->val;
switch (whence) {
#define P_WHENCE(n) case SEEK_##n: return scnprintf(bf, size, #n)
P_WHENCE(SET);
P_WHENCE(CUR);
P_WHENCE(END);
#ifdef SEEK_DATA
P_WHENCE(DATA);
#endif
#ifdef SEEK_HOLE
P_WHENCE(HOLE);
#endif
#undef P_WHENCE
default: break;
}
return scnprintf(bf, size, "%#x", whence);
}
#define SCA_WHENCE syscall_arg__scnprintf_whence
static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size,
struct syscall_arg *arg)
{
......@@ -254,10 +229,20 @@ static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, struct sysc
return printed;
}
#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
static const char *itimers[] = { "REAL", "VIRTUAL", "PROF", };
static DEFINE_STRARRAY(itimers);
#define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op
static const char *whences[] = { "SET", "CUR", "END",
#ifdef SEEK_DATA
"DATA",
#endif
#ifdef SEEK_HOLE
"HOLE",
#endif
};
static DEFINE_STRARRAY(whences);
static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
struct syscall_arg *arg)
......@@ -340,7 +325,8 @@ static struct syscall_fmt {
{ .name = "ioctl", .errmsg = true,
.arg_scnprintf = { [2] = SCA_HEX, /* arg */ }, },
{ .name = "lseek", .errmsg = true,
.arg_scnprintf = { [2] = SCA_WHENCE, /* whence */ }, },
.arg_scnprintf = { [2] = SCA_STRARRAY, /* whence */ },
.arg_parm = { [2] = &strarray__whences, /* whence */ }, },
{ .name = "lstat", .errmsg = true, .alias = "newlstat", },
{ .name = "madvise", .errmsg = true,
.arg_scnprintf = { [0] = SCA_HEX, /* start */
......
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