Messages in this thread | | | Date | Wed, 29 Aug 2012 12:27:53 +0400 | From | Andrew Vagin <> | Subject | Re: [PATCH 3/4] perf: teach perf inject to merge sched_stat_* and sched_switch events (v2) |
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On Tue, Aug 28, 2012 at 12:51:02AM +0400, Andi Kleen wrote: > Andrew Vagin <avagin@openvz.org> writes: > > > > My code saves sched_switch event for each process and when it meets > > stat_iowait, it reports the sched_switch event, because this event > > contains a correct callchain. By another words it replaces all > > stat_iowait events on proper sched_switch events. > > Is there any way to generalize this to arbitary events? I found myself > writing scripts to compute lengths between various events. But I > presume this could be done in a more general way. The advantage > of perf-inject over my script is that the output can be viewed > in the normal browser.
I don't know what do you mean to generalize this to arbitary events. I think a generalization will be obvious, when we will have a few examples.
Currently we can modify events by a simple way. What would I want to have? It's a way to create a new event type and events in "perf inject".
> > -Andi > > -- > ak@linux.intel.com -- Speaking for myself only
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