perf trace: Beautify access 'mode' arg

Removing the _OK suffix and using RWX when all three bits are set, for
instance.

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-ypaz9k43lyqy94679feqnv8x@git.kernel.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent a28b24b2
......@@ -312,6 +312,33 @@ static size_t syscall_arg__scnprintf_socket_type(char *bf, size_t size,
#define SCA_SK_TYPE syscall_arg__scnprintf_socket_type
static size_t syscall_arg__scnprintf_access_mode(char *bf, size_t size,
struct syscall_arg *arg)
{
size_t printed = 0;
int mode = arg->val;
if (mode == F_OK) /* 0 */
return scnprintf(bf, size, "F");
#define P_MODE(n) \
if (mode & n##_OK) { \
printed += scnprintf(bf + printed, size - printed, "%s", #n); \
mode &= ~n##_OK; \
}
P_MODE(R);
P_MODE(W);
P_MODE(X);
#undef P_MODE
if (mode)
printed += scnprintf(bf + printed, size - printed, "|%#x", mode);
return printed;
}
#define SCA_ACCMODE syscall_arg__scnprintf_access_mode
static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size,
struct syscall_arg *arg)
{
......@@ -422,7 +449,8 @@ static struct syscall_fmt {
bool timeout;
bool hexret;
} syscall_fmts[] = {
{ .name = "access", .errmsg = true, },
{ .name = "access", .errmsg = true,
.arg_scnprintf = { [1] = SCA_ACCMODE, /* mode */ }, },
{ .name = "arch_prctl", .errmsg = true, .alias = "prctl", },
{ .name = "brk", .hexret = true,
.arg_scnprintf = { [0] = SCA_HEX, /* brk */ }, },
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment