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

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Date:	Thu, 16 Feb 2012 15:35:34 -0200
From:	Arnaldo Carvalho de Melo <acme@...hat.com>
To:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:	Jiri Olsa <jolsa@...hat.com>, mingo@...e.hu, paulus@...ba.org,
	cjashfor@...ux.vnet.ibm.com, fweisbec@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCHv5 0/8] perf tool: parser generator for events parsing

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@...llo.nl>
> 
> 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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