On Tue, Mar 15, 2016 at 04:06:46PM -0400, Steven Rostedt wrote: > On Wed, 9 Mar 2016 21:46:41 +0100 > Jiri Olsa <[email protected]> wrote: > > > Currently we check sample type for ftrace:function event > > even if it's not created as sampling event. That prevents > > creating ftrace_function event in counting mode. > > > > Making sure we check sample types only for sampling events. > > > > Before: > > $ sudo perf stat -e ftrace:function ls > > ... > > > > Performance counter stats for 'ls': > > > > <not supported> ftrace:function > > > > 0.001983662 seconds time elapsed > > > > After: > > $ sudo perf stat -e ftrace:function ls > > I'm assuming you gave yourself admin capabilities, and not any normal > user may sample function tracing, right?
right ;-) jirka
