From: Peter Zijlstra <peterz@infradead.org>
To: Robert Richter <robert.richter@amd.com>
Cc: Ingo Molnar <mingo@elte.hu>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/12] perf: introduce model specific events and AMD IBS
Date: Thu, 15 Apr 2010 09:44:21 +0200 [thread overview]
Message-ID: <1271317461.32749.67.camel@laptop> (raw)
In-Reply-To: <1271190201-25705-1-git-send-email-robert.richter@amd.com>
On Tue, 2010-04-13 at 22:23 +0200, Robert Richter wrote:
> This patch series introduces model specific events and impments AMD
> IBS (Instruction Based Sampling) for perf_events.
I would much rather it uses the ->precise thing PEBS also uses,
otherwise we keep growing funny arch extensions and end up with a
totally fragmented trainwreck of an ABI.
> The general approach is to introduce a flag to mark an event as model
> specific. With that flag set a model specific ibs (raw) config value
> can be passed to the pmu for setup. When there are ibs samples
> available, it is sent back as a raw data sample to the userland. So we
> have a raw config value and raw sampling data. This requires the
> userland to setup ibs and further extract and process sampling data.
>
> Patches 1-8 rework and refactor the code to prepare the ibs
> implementation. This is done in patches 9-12.
>
> I will add ibs example code to libpfm4.
Please add a valid usecase to tools/perf/ instead.
next prev parent reply other threads:[~2010-04-15 7:44 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-13 20:23 [PATCH 00/12] perf: introduce model specific events and AMD IBS Robert Richter
2010-04-13 20:23 ` [PATCH 01/12] perf, x86: move perfctr init code to x86_setup_perfctr() Robert Richter
2010-05-07 18:42 ` [tip:perf/core] perf, x86: Move " tip-bot for Robert Richter
2010-04-13 20:23 ` [PATCH 02/12] perf, x86: moving x86_setup_perfctr() Robert Richter
2010-05-07 18:42 ` [tip:perf/core] perf, x86: Move x86_setup_perfctr() tip-bot for Robert Richter
2010-04-13 20:23 ` [PATCH 03/12] perf, x86: call x86_setup_perfctr() from .hw_config() Robert Richter
2010-05-07 18:42 ` [tip:perf/core] perf, x86: Call " tip-bot for Robert Richter
2010-04-13 20:23 ` [PATCH 04/12] perf: introduce flag for model specific events Robert Richter
2010-04-13 20:23 ` [PATCH 05/12] perf, x86: pass enable bit mask to __x86_pmu_enable_event() Robert Richter
2010-05-07 18:43 ` [tip:perf/core] perf, x86: Pass " tip-bot for Robert Richter
2010-04-13 20:23 ` [PATCH 06/12] perf, x86: use weight instead of cmask in for_each_event_constraint() Robert Richter
2010-05-07 18:43 ` [tip:perf/core] perf, x86: Use " tip-bot for Robert Richter
2010-04-13 20:23 ` [PATCH 07/12] perf, x86: introduce bit range for special pmu events Robert Richter
2010-04-13 20:23 ` [PATCH 08/12] perf, x86: modify some code to allow the introduction of ibs events Robert Richter
2010-04-13 20:23 ` [PATCH 09/12] perf, x86: implement IBS feature detection Robert Richter
2010-04-13 20:23 ` [PATCH 10/12] perf, x86: setup NMI handler for IBS Robert Richter
2010-04-15 12:57 ` Peter Zijlstra
2010-04-15 13:11 ` Robert Richter
2010-04-19 16:04 ` Robert Richter
2010-04-13 20:23 ` [PATCH 11/12] perf, x86: implement AMD IBS event configuration Robert Richter
2010-04-19 13:46 ` Stephane Eranian
2010-04-20 10:31 ` Robert Richter
2010-04-20 16:05 ` Robert Richter
2010-04-21 8:47 ` Robert Richter
2010-04-21 9:02 ` Stephane Eranian
2010-04-21 9:21 ` Robert Richter
2010-04-21 10:54 ` Robert Richter
2010-04-21 11:37 ` Stephane Eranian
2010-04-21 16:58 ` Robert Richter
2010-04-22 17:32 ` Stephane Eranian
2010-05-11 13:57 ` Robert Richter
2010-04-13 20:23 ` [PATCH 12/12] perf, x86: implement the ibs interrupt handler Robert Richter
2010-04-19 12:19 ` Stephane Eranian
2010-04-20 13:10 ` Robert Richter
2010-04-22 14:45 ` Robert Richter
2010-05-07 15:28 ` [PATCH] perf: fix raw sample size if no sampling data is attached Robert Richter
2010-05-07 15:41 ` Peter Zijlstra
2010-05-07 19:48 ` Robert Richter
2010-05-18 15:12 ` [RFC PATCH] perf: align raw sample data on 64-bit boundaries Robert Richter
2010-05-19 7:39 ` Frederic Weisbecker
2010-05-19 9:31 ` Robert Richter
2010-05-24 21:25 ` Frederic Weisbecker
2010-05-28 17:35 ` Robert Richter
2010-04-13 20:45 ` [osrc-patches] [PATCH 00/12] perf: introduce model specific events and AMD IBS Robert Richter
2010-04-14 12:31 ` Robert Richter
2010-04-15 7:41 ` Peter Zijlstra
2010-04-15 7:44 ` Peter Zijlstra [this message]
2010-04-15 15:16 ` Robert Richter
2010-04-21 12:11 ` Peter Zijlstra
2010-04-21 13:21 ` Stephane Eranian
2010-04-21 18:26 ` Robert Richter
2010-04-21 18:40 ` Stephane Eranian
2010-04-21 16:28 ` Robert Richter
2010-04-28 16:16 ` [osrc-patches] " Robert Richter
2010-05-04 14:18 ` Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1271317461.32749.67.camel@laptop \
--to=peterz@infradead.org \
--cc=eranian@google.com \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=robert.richter@amd.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox