Messages in this thread | | | Date | Thu, 9 Jul 2009 10:45:52 -0400 | From | Jason Baron <> | Subject | Re: [PATCH 3/2] perf_counters: add debugfs dir option |
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On Thu, Jul 09, 2009 at 02:47:17AM +0200, Frederic Weisbecker wrote: > On Wed, Jul 08, 2009 at 04:17:43PM -0400, Jason Baron wrote: > > On Tue, Jul 07, 2009 at 10:29:20AM +0200, Peter Zijlstra wrote: > > > On Mon, 2009-07-06 at 17:12 -0400, Jason Baron wrote: > > > > Add support to 'perf list' and 'perf stat' for kernel tracepoints. The > > > > implementation creates a 'for_each_subsystem' and 'for_each_event' for > > > > easy iteration over the tracepoints. The debugfs filesystem must be mounted > > > > at '/sys/kernel/debug'. We can add an optional search path in the future. > > > > > > I don't have a single machine that has that mount point. > > > > > > > > > > ok, The patch below adds support for a 'PERF_DIR_DEBUGFS' environment > > variable. It also adds a command line for '--debugfs-dir' and > > '--debugfs-dir='. By default 'perf' continues to look in > > /sys/kernel/debug, which I believe is most common. > > > > thanks, > > > > -Jason > > > > Signed-off-by: Jason Baron <jbaron@redhat.com> > > > > Or why not parsing /etc/mtab ? > > Thanks. > > >
good idea. I'll add that.
thanks,
-Jason
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