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tools lib api fs: Move tracing_path interface into api/fs/tracing_path.c

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Moving tracing_path interface into api/fs/tracing_path.c out of util.c.
It seems generic enough to be used by others, and I couldn't think of
better place.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Reviewed-by: Raphael Beamonte <raphael.beamonte@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/1441180605-24737-5-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-09-02 09:56:34 +02:00 • committed by Arnaldo Carvalho de Melo
parent 65d4b26510
commit 592d5a6ba8
9 changed files with 101 additions and 79 deletions
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70
tools/perf/util/util.c
View file

@ -34,9 +34,6 @@ bool test_attr__enabled;
bool perf_host = true;
bool perf_guest = false;
char tracing_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing";
char tracing_events_path[PATH_MAX + 1] = "/sys/kernel/debug/tracing/events";
void event_attr_init(struct perf_event_attr *attr)
{
if (!perf_host)
@ -390,73 +387,6 @@ void set_term_quiet_input(struct termios *old)
tcsetattr(0, TCSANOW, &tc);
}
static void __tracing_path_set(const char *tracing, const char *mountpoint)
{
snprintf(tracing_path, sizeof(tracing_path), "%s/%s",
mountpoint, tracing);
snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s%s",
mountpoint, tracing, "events");
}
static const char *tracing_path_tracefs_mount(void)
{
const char *mnt;
mnt = tracefs_mount(NULL);
if (!mnt)
return NULL;
__tracing_path_set("", mnt);
return mnt;
}
static const char *tracing_path_debugfs_mount(void)
{
const char *mnt;
mnt = debugfs_mount(NULL);
if (!mnt)
return NULL;
__tracing_path_set("tracing/", mnt);
return mnt;
}
const char *tracing_path_mount(void)
{
const char *mnt;
mnt = tracing_path_tracefs_mount();
if (mnt)
return mnt;
mnt = tracing_path_debugfs_mount();
return mnt;
}
void tracing_path_set(const char *mntpt)
{
__tracing_path_set("tracing/", mntpt);
}
char *get_tracing_file(const char *name)
{
char *file;
if (asprintf(&file, "%s/%s", tracing_path, name) < 0)
return NULL;
return file;
}
void put_tracing_file(char *file)
{
free(file);
}
int parse_nsec_time(const char *str, u64 *ptime)
{
u64 time_sec, time_nsec;