From: Robert Richter <robert.richter@amd.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 4/4] perf script: Add script to collect and display IBS samples
Date: Fri, 23 Dec 2011 17:50:30 +0100 [thread overview]
Message-ID: <20111223165030.GG16765@erda.amd.com> (raw)
In-Reply-To: <20111223163930.GA5983@elte.hu>
On 23.12.11 17:39:30, Ingo Molnar wrote:
> No, i think you misunderstood me, i definitely think getting all
> the data out is perfectly fine and useful, if the hardware
> provides it. No need to make 'every' conceivable piece of IBS
> data useful straight away.
>
> All i want is at least *one* common usecase to work fine. This
> allows us to see things in practice and it also provides the
> seed for further improvements.
>
> Right now this does not seem to be the case: the 'report'
> portion only reports a raw hexa dump, not very useful to users.
>
> Once something like 'perf report' works for some useful looking
> sub-case you can also tack on all the extra IBS goodies that
> specialized tools might need as well, i have no problem with
> providing that.
Isn't that outlook I gave about pebs like implementation of the
precise bit with IBS "useful enough"? This would be on top patches
anyway, so no need to hold back current patches.
-Robert
--
Advanced Micro Devices, Inc.
Operating System Research Center
next prev parent reply other threads:[~2011-12-23 16:50 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-15 17:23 [PATCH 0/4] perf tools: Add support for IBS Robert Richter
2011-12-15 17:23 ` [PATCH 1/4] perf tool: Parse general/raw events from sysfs Robert Richter
2011-12-21 16:52 ` Robert Richter
2012-01-02 11:07 ` Stephane Eranian
2011-12-15 17:23 ` [PATCH 2/4] perf tools: Add pmu mappings to header information Robert Richter
2011-12-15 17:23 ` [PATCH 3/4] perf script: Add generic perl handler to process events Robert Richter
2011-12-29 20:56 ` [tip:perf/core] " tip-bot for Robert Richter
2011-12-15 17:23 ` [PATCH 4/4] perf script: Add script to collect and display IBS samples Robert Richter
2011-12-15 19:19 ` David Ahern
2011-12-15 23:47 ` Robert Richter
2011-12-23 10:33 ` Ingo Molnar
2011-12-23 11:19 ` Robert Richter
2011-12-23 13:53 ` Ingo Molnar
2011-12-23 14:14 ` Peter Zijlstra
2011-12-23 14:40 ` Ingo Molnar
2011-12-23 16:17 ` Robert Richter
2011-12-23 16:39 ` Ingo Molnar
2011-12-23 16:50 ` Robert Richter [this message]
2011-12-30 9:55 ` Ingo Molnar
2012-02-02 11:21 ` Robert Richter
2012-03-08 12:19 ` Ingo Molnar
2012-03-09 11:41 ` Robert Richter
2012-03-21 18:13 ` Robert Richter
2012-03-22 7:51 ` Ingo Molnar
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