linux/tools/perf/trace/beauty/perf_event_open.c
Arnaldo Carvalho de Melo 62de344e4f perf trace: Move perf_flags beautifier to tools/perf/trace/beauty/
To reduce the size of builtin-trace.c.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-8r3gmymyn3r0ynt4yuzspp9g@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2016-04-26 13:14:59 -03:00

44 lines
994 B
C

#ifndef PERF_FLAG_FD_NO_GROUP
# define PERF_FLAG_FD_NO_GROUP (1UL << 0)
#endif
#ifndef PERF_FLAG_FD_OUTPUT
# define PERF_FLAG_FD_OUTPUT (1UL << 1)
#endif
#ifndef PERF_FLAG_PID_CGROUP
# define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */
#endif
#ifndef PERF_FLAG_FD_CLOEXEC
# define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */
#endif
static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size,
struct syscall_arg *arg)
{
int printed = 0, flags = arg->val;
if (flags == 0)
return 0;
#define P_FLAG(n) \
if (flags & PERF_FLAG_##n) { \
printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
flags &= ~PERF_FLAG_##n; \
}
P_FLAG(FD_NO_GROUP);
P_FLAG(FD_OUTPUT);
P_FLAG(PID_CGROUP);
P_FLAG(FD_CLOEXEC);
#undef P_FLAG
if (flags)
printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
return printed;
}
#define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags