Re: [PATCH 05/21] perf: Add event toggle sys_perf_event_open interface

2013-09-26 Thread Jiri Olsa
On Wed, Sep 25, 2013 at 03:36:29PM -0700, Sukadev Bhattiprolu wrote: > Jiri Olsa [jo...@redhat.com] wrote: SNIP > | diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h > | index 866e85c..6ede25c 100644 > | --- a/include/linux/perf_event.h > | +++ b/include/linux/perf_event.h > |

Re: [PATCH 05/21] perf: Add event toggle sys_perf_event_open interface

2013-09-25 Thread Sukadev Bhattiprolu
Jiri Olsa [jo...@redhat.com] wrote: | Adding perf interface that allows to create 'toggle' events, | which can enable or disable another event. Whenever the toggle | event is triggered (has overflow), it toggles another event | state and either starts or stops it. Nice idea. It would be very usefu