From: Ingo Molnar <mingo@elte.hu>
To: Borislav Petkov <bp@amd64.org>
Cc: Peter Zijlstra <peterz@infradead.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Steven Rostedt <rostedt@goodmis.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Tony Luck <tony.luck@intel.com>,
Mauro Carvalho Chehab <mchehab@redhat.com>,
EDAC devel <linux-edac@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"Petkov, Borislav" <Borislav.Petkov@amd.com>
Subject: Re: [PATCH 3/4] x86, mce: Add persistent MCE event
Date: Tue, 3 May 2011 10:27:42 +0200 [thread overview]
Message-ID: <20110503082742.GC6999@elte.hu> (raw)
In-Reply-To: <20110503071833.GB18979@aftab>
* Borislav Petkov <bp@amd64.org> wrote:
> I'm guessing that when we move those to /sysfs, this mechanism will have to
> change too so it might make sense to move that functionality to persistent.c.
> Let me see what I can do.
Yes, we really do not want to increase the debugfs mess. This looks like an
implementational detail but from a tooling POV it's quite essential.
As a starting point check out Peter's patch from November 2010:
[RFC][PATCH 8/8] perf: Sysfs events
https://lkml.org/lkml/2010/11/17/489
That patch should still apply cleanly to the latest tree.
In the end we want all events (including regular hw events) to be easily
available via sysfs enumeration. The goal is that ideally when you type 'perf
list' it should only access /sys.
Thanks,
Ingo
next prev parent reply other threads:[~2011-05-03 8:27 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-02 17:34 [PATCH 0/4] RAS daemon: kernel part Borislav Petkov
2011-05-02 17:34 ` [PATCH 1/4] perf: Start the restructuring Borislav Petkov
2011-05-02 17:34 ` [PATCH 2/4] perf: Add persistent event facilities Borislav Petkov
2011-05-03 6:40 ` Ingo Molnar
2011-05-03 6:48 ` Ingo Molnar
2011-05-03 7:12 ` Borislav Petkov
2011-05-03 8:22 ` Ingo Molnar
2011-05-03 12:51 ` [GIT PULL] Rename perf_event.c Borislav Petkov
2011-05-03 12:59 ` [PATCH 2/4] perf: Add persistent event facilities Frederic Weisbecker
2011-05-03 13:30 ` Borislav Petkov
2011-05-03 14:26 ` Borislav Petkov
2011-05-02 17:34 ` [PATCH 3/4] x86, mce: Add persistent MCE event Borislav Petkov
2011-05-03 6:44 ` Ingo Molnar
2011-05-03 7:18 ` Borislav Petkov
2011-05-03 8:27 ` Ingo Molnar [this message]
2011-05-03 15:14 ` Joe Perches
2011-05-03 15:22 ` Borislav Petkov
2011-05-03 15:32 ` Joe Perches
2011-05-03 15:34 ` Steven Rostedt
2011-05-03 15:42 ` Borislav Petkov
2011-05-02 17:34 ` [PATCH 4/4] x86, mce: Have MCE persistent event off by default for now Borislav Petkov
2011-05-03 6:45 ` Ingo Molnar
2011-05-03 7:23 ` Borislav Petkov
2011-05-03 8:17 ` Ingo Molnar
2011-05-03 17:17 ` Luck, Tony
2011-05-03 19:52 ` Borislav Petkov
2011-05-03 19:56 ` Ingo Molnar
2011-05-04 6:58 ` Ingo Molnar
2011-05-04 21:40 ` Luck, Tony
2011-05-05 1:34 ` Arnaldo Carvalho de Melo
2011-05-05 6:39 ` Ingo Molnar
2011-05-05 7:17 ` Borislav Petkov
2011-05-05 7:33 ` Ingo Molnar
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