Re: [PATCHv5 0/8] perf tool: parser generator for events parsing

From: Arnaldo Carvalho de Melo
Date: Thu Feb 16 2012 - 13:18:09 EST


Em Thu, Feb 16, 2012 at 06:03:03PM +0100, Peter Zijlstra escreveu:
> On Thu, 2012-02-16 at 13:00 +0100, Jiri Olsa wrote:
> > hi,
> > here's new version of event parsing patchset.
> >
> > I saw Arnaldo already sent patches 1-3 to Ingo, but they did not make it
> > to the tree yet, so I'm still attaching them here.

Right, I'll take the rest (read this just now, keeping the dup comments
below :-) ).

> > v5 changes:
> > 4/8 - patch updated by Peter with actual format definitions
> > for x86 processors
> > 6/8 - added hardcoded terms for config[12] and sample_period
> > the code is ready to include branch_sample_type once
> > this field is available in perf_event_attr, just
> > uncommenting one line.. ;)
> > - allow config option to be used without value in which
> > case 1 is assigned as value
> >
> > Overall summarize:
> > - adding event parser bison/flex generator
> > - the event syntax stays as it was
> > - adding event format sysfs group attribute
> > for pmu device
> > - adding new syntax to specify raw events based
> > on the sysfs pmu's format attribute
> > eg. "cpu/config=1,config1=2,config2=3/u"
> >
> > Attached patches:
> > 1/8 perf, tool: Remove unused functions from debugfs object
> > 2/8 perf, tool: Add sysfs mountpoint interface
> > 3/8 perf, tool: Add bitmap_or function into bitmap object
> > 4/8 perf: Adding sysfs group format attribute for pmu device
> > 5/8 perf, tool: Add parser generator for events parsing
> > 6/8 perf, tool: Add config options support for event parsing
> > 7/8 perf, tool: Add perf pmu object to access pmu format definition
> > 8/8 perf, tool: Add support to specify pmu style event
>
> I'm fine with this going fwd, and since this is mostly tools/perf I
> suggest acme take it, so:
>
> Acked-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
>
> Also, it might make sense to CC everybody who has/maintains a hardware
> pmu implementation on patch 4.

I'll do it, I already merged patch 1, 2, 3 in my perf/core branch, will
look and merge the rest, adding your a-b.

- Arnaldo
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