From: Ingo Molnar <mingo@kernel.org>
To: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/12] perf/x86-ibs: Precise event sampling with IBS for AMD CPUs
Date: Mon, 2 Apr 2012 21:11:23 +0200 [thread overview]
Message-ID: <20120402191123.GA17124@gmail.com> (raw)
In-Reply-To: <1333390758-10893-1-git-send-email-robert.richter@amd.com>
* Robert Richter <robert.richter@amd.com> wrote:
> perf record -a -e cpu-cycles:p ... # use ibs op counting cycle count
Cool - this makes IBS really useful!
Mind posting some perf annotate output of any well-known kernel
function showing skiddy '-e cpu-cycles' output versus skid-less
'-e cpu-cycles:p' output?
I'm curious how well this works in practice.
Thanks,
Ingo
next prev parent reply other threads:[~2012-04-02 19:11 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-02 18:19 [PATCH 00/12] perf/x86-ibs: Precise event sampling with IBS for AMD CPUs Robert Richter
2012-04-02 18:19 ` [PATCH 01/12] perf/x86-ibs: Fix update of period Robert Richter
2012-05-09 14:29 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 02/12] perf: Pass last sampling period to perf_sample_data_init() Robert Richter
2012-05-09 14:30 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 03/12] perf/x86-ibs: Enable ibs op micro-ops counting mode Robert Richter
2012-05-09 14:31 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 04/12] perf/x86-ibs: Fix frequency profiling Robert Richter
2012-05-09 14:32 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 05/12] perf/x86-ibs: Take instruction pointer from ibs sample Robert Richter
2012-05-09 14:33 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 06/12] perf/x86-ibs: Precise event sampling with IBS for AMD CPUs Robert Richter
2012-04-14 10:21 ` Peter Zijlstra
2012-04-23 9:56 ` Robert Richter
2012-04-27 12:34 ` Robert Richter
2012-04-27 12:39 ` Stephane Eranian
2012-04-27 12:54 ` Robert Richter
2012-04-27 13:10 ` Stephane Eranian
2012-04-27 15:18 ` Robert Richter
2012-04-27 15:30 ` Peter Zijlstra
2012-04-27 15:57 ` Stephane Eranian
2012-04-27 15:30 ` Peter Zijlstra
2012-04-27 16:09 ` Robert Richter
2012-04-27 16:21 ` Peter Zijlstra
2012-04-27 16:23 ` Stephane Eranian
2012-04-14 10:22 ` Peter Zijlstra
2012-04-23 8:41 ` Robert Richter
2012-04-23 10:36 ` Peter Zijlstra
2012-04-14 10:24 ` Peter Zijlstra
2012-04-23 10:08 ` Robert Richter
2012-05-02 10:33 ` [PATCH v2] " Robert Richter
2012-05-02 11:14 ` Peter Zijlstra
2012-05-04 17:53 ` Peter Zijlstra
2012-05-09 14:34 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 07/12] perf/x86-ibs: Rename some variables Robert Richter
2012-05-09 14:34 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 08/12] perf/x86-ibs: Trigger overflow if remaining period is too small Robert Richter
2012-05-09 14:35 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 09/12] perf/x86-ibs: Extend hw period that triggers overflow Robert Richter
2012-05-09 14:36 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 10/12] perf/x86-ibs: Implement workaround for IBS erratum #420 Robert Richter
2012-05-09 14:37 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 11/12] perf/x86-ibs: Catch spurious interrupts after stopping ibs Robert Richter
2012-05-09 14:38 ` [tip:perf/core] perf/x86-ibs: Catch spurious interrupts after stopping IBS tip-bot for Robert Richter
2012-04-02 18:19 ` [PATCH 12/12] perf/x86-ibs: Fix usage of IBS op current count Robert Richter
2012-05-09 14:39 ` [tip:perf/core] " tip-bot for Robert Richter
2012-04-02 19:11 ` Ingo Molnar [this message]
2012-04-03 10:48 ` [PATCH 00/12] perf/x86-ibs: Precise event sampling with IBS for AMD CPUs Robert Richter
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