From: Will Deacon <will.deacon@arm.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Corey Ashford <cjashfor@linux.vnet.ibm.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Ingo Molnar <mingo@elte.hu>, Paul Mackerras <paulus@samba.org>,
Peter Zijlstra <a.p.zij@mx0.arm.com>
Subject: Re: [RFC 0/4] perf tool: Adding ratios support
Date: Tue, 22 Jan 2013 09:45:17 +0000 [thread overview]
Message-ID: <20130122094517.GD12295@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <20130121191325.GB24859@krava.brq.redhat.com>
On Mon, Jan 21, 2013 at 07:13:25PM +0000, Jiri Olsa wrote:
> On Thu, Jan 17, 2013 at 10:23:26AM +0000, Will Deacon wrote:
> > On Wed, Jan 16, 2013 at 01:30:33PM +0000, Jiri Olsa wrote:
> > > On Wed, Jan 16, 2013 at 01:13:18PM +0000, Will Deacon wrote:
> > > > On Tue, Jan 15, 2013 at 01:39:50PM +0000, Jiri Olsa wrote:
> > > > > The formula can currently contain any event from the set::events
> > > > > plus any number (int). There'll be support in future for outside
> > > > > values runtime and other if needed.
> > > >
> > > > Just to say that I *really* like this idea! If we extended it to include
> > > > other operators then it would help us on ARM, where we often have events
> > > > like 'cache accesses' and 'cache misses' but not 'cache hits'.
> > >
> > > great, thanks for sharing this
> > >
> > > The current operators set is just basic one to show the idea,
> > > it can/will be expanded.
> >
> > Makes sense.
>
> any particular operators you'd like to see in?
I think the basic: add, subtract, divide operators are the most useful to
start with.
Cheers,
Will
next prev parent reply other threads:[~2013-01-22 9:47 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-15 13:39 Jiri Olsa
2013-01-15 13:39 ` [PATCH 1/4] perf tool: Remove unused 'unset' parameter from parse_events Jiri Olsa
2013-01-25 11:52 ` [tip:perf/core] perf tools: " tip-bot for Jiri Olsa
2013-01-15 13:39 ` [PATCH 2/4] perf tool: Add formula interface to interface ratio definitions Jiri Olsa
2013-01-15 13:39 ` [PATCH 3/4] perf stat: Adding -f option to load and process ratios Jiri Olsa
2013-01-15 13:39 ` [PATCH 4/4] perf tool: Adding formula.conf file for testing Jiri Olsa
2013-01-16 13:13 ` [RFC 0/4] perf tool: Adding ratios support Will Deacon
2013-01-16 13:30 ` Jiri Olsa
2013-01-17 10:23 ` Will Deacon
2013-01-21 19:13 ` Jiri Olsa
2013-01-22 9:45 ` Will Deacon [this message]
2013-01-16 14:00 ` Ulrich Drepper
2013-01-16 14:25 ` Jiri Olsa
2013-01-16 15:12 ` Ulrich Drepper
2013-01-17 1:03 ` Namhyung Kim
2013-01-17 16:05 ` Jiri Olsa
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