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

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

2013-09-25 Thread Jiri Olsa
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. The goal is to be able to create toggling tracepoint events to enable and dis