Re: [PATCH 2/2 -tip] perf_counter: parse-events.c introduce aliasmember in event_symbol
From: Jaswinder Singh Rajput
Date: Mon Jun 22 2009 - 09:24:04 EST
On Mon, 2009-06-22 at 18:30 +0530, Jaswinder Singh Rajput wrote:
> On Mon, 2009-06-22 at 13:32 +0200, Ingo Molnar wrote:
> > Another nice thing would be for 'perf list' to actually start each
> > counter and stop it - and see whether it ticks. Perhaps that could
> > be a new sub-command: 'perf test' ?
> > New 'perf' subcommands are added easily:
> > create a new tools/perf/builtin-foo.c file, add it to
> > command-list.txt and to the Makefile - add it to perf.c's array of
> > built-in commands and add a Documentation/perf-foo.txt file to
> > generate manpages and usage strings for it.
> Ok this is just a ugly quick hack to get the idea what actually you are
> looking for :
> [RFC] perf_counter tools: introduce perf test to test each event for ticks
> perf test to Test all events for whether it ticks
> $ perf test
> Performance counter stats for 'test':
> task-clock-msecs Tick
> context-switches Tick
> CPU-migrations Tick
> page-faults Tick
> cycles Tick
> instructions Tick
> cache-references Tick
> cache-misses Tick
> 0.007693869 seconds time elapsed.
Please let me know should I need to test all events (Hardware +
Software) and/or selective event based on user request.
And what should be output looks like.
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