Re: [PATCH 5/5] perf: Make perf aware of tracefs

2015-01-26 Thread Jiri Olsa
On Sun, Jan 25, 2015 at 02:31:51PM -0500, Steven Rostedt wrote: > On Sun, 25 Jan 2015 18:34:33 +0100 > Jiri Olsa wrote: > > > On Sat, Jan 24, 2015 at 01:13:35PM -0500, Steven Rostedt wrote: > > > > SNIP > > > > > @@ -351,11 +385,15 @@ const char *find_tracing_dir(void) > > > if (tracing_found

Re: [PATCH 5/5] perf: Make perf aware of tracefs

2015-01-25 Thread Steven Rostedt
On Sun, 25 Jan 2015 18:34:33 +0100 Jiri Olsa wrote: > On Sat, Jan 24, 2015 at 01:13:35PM -0500, Steven Rostedt wrote: > > SNIP > > > @@ -351,11 +385,15 @@ const char *find_tracing_dir(void) > > if (tracing_found) > > return tracing; > > > > - debugfs = find_debugfs(); > > -

Re: [PATCH 5/5] perf: Make perf aware of tracefs

2015-01-25 Thread Steven Rostedt
On Sun, 25 Jan 2015 22:50:10 +0900 Namhyung Kim wrote: > Hi Steve, > > On Sat, Jan 24, 2015 at 01:13:35PM -0500, Steven Rostedt wrote: > > From: "Steven Rostedt (Red Hat)" > > > > As tracefs may be mounted instead of debugfs to get to the event > > directories, > > have perf know about tracef

Re: [PATCH 5/5] perf: Make perf aware of tracefs

2015-01-25 Thread Jiri Olsa
On Sat, Jan 24, 2015 at 01:13:35PM -0500, Steven Rostedt wrote: SNIP > @@ -351,11 +385,15 @@ const char *find_tracing_dir(void) > if (tracing_found) > return tracing; > > - debugfs = find_debugfs(); > - if (!debugfs) > - return NULL; > + debugfs = fin

Re: [PATCH 5/5] perf: Make perf aware of tracefs

2015-01-25 Thread Namhyung Kim
Hi Steve, On Sat, Jan 24, 2015 at 01:13:35PM -0500, Steven Rostedt wrote: > From: "Steven Rostedt (Red Hat)" > > As tracefs may be mounted instead of debugfs to get to the event directories, > have perf know about tracefs, and use that file system over debugfs if it > is present. > > Signed-off

[PATCH 5/5] perf: Make perf aware of tracefs

2015-01-24 Thread Steven Rostedt
From: "Steven Rostedt (Red Hat)" As tracefs may be mounted instead of debugfs to get to the event directories, have perf know about tracefs, and use that file system over debugfs if it is present. Signed-off-by: Steven Rostedt --- tools/perf/tests/open-syscall-all-cpus.c | 7 +++- tools/perf/