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From: Borislav Petkov <bp@amd64.org>
To: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Borislav Petkov <bp@amd64.org>,
	"peterz@infradead.org" <peterz@infradead.org>,
	"mingo@elte.hu" <mingo@elte.hu>,
	"tony.luck@intel.com" <tony.luck@intel.com>,
	"rostedt@goodmis.org" <rostedt@goodmis.org>,
	"fweisbec@gmail.com" <fweisbec@gmail.com>,
	"linux-edac@vger.kernel.org" <linux-edac@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 08/12] perf: Carve out mmap helpers for general use
Date: Mon, 24 Jan 2011 10:04:10 +0100	[thread overview]
Message-ID: <20110124090410.GA8924@aftab> (raw)
In-Reply-To: <20110121172937.GC15066@ghostprotocols.net>

On Fri, Jan 21, 2011 at 12:29:37PM -0500, Arnaldo Carvalho de Melo wrote:
> Em Fri, Jan 21, 2011 at 04:09:31PM +0100, Borislav Petkov escreveu:
> > From: Borislav Petkov <borislav.petkov@amd.com>
> > 
> > Export the mmap_read* helpers into tools/lib/perf/mmap.[ch]
> 
> Borislav, can you take a look at:
> 
> http://git.kernel.org/?p=linux/kernel/git/acme/linux-2.6.git;a=shortlog;h=refs/heads/perf/core
> 
> More specifically take a look at the function test__basic_mmap in:
> 
> http://git.kernel.org/?p=linux/kernel/git/acme/linux-2.6.git;a=blob;f=tools/perf/builtin-test.c;h=f03798a298b00b328a11f06ce20cc352d123ec28;hb=refs/heads/perf/core
> 
> 434 /*
> 435  * This test will generate random numbers of calls to some getpid syscalls,
> 436  * then establish an mmap for a group of events that are created to monitor
> 437  * the syscalls.
> 438  *
> 439  * It will receive the events, using mmap, use its PERF_SAMPLE_ID generated
> 440  * sample.id field to map back to its respective perf_evsel instance.
> 441  *
> 442  * Then it checks if the number of syscalls reported as perf events by
> 443  * the kernel corresponds to the number of syscalls made.
> 444  */

Ok, I see at least one problem with my patch - you've reworked the
mmaping functionality in evlist.c/evsel.c and I should use it too, I
guess. For that, I think you'd want me to apply my stuff ontop of your
perf/core branch, right?

Am I missing something else?

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
General Managers: Alberto Bozzo, Andrew Bowd
Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632

  reply	other threads:[~2011-01-24  9:01 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-21 15:09 [RFC PATCHSET 0/12] RAS daemon v4 Borislav Petkov
2011-01-21 15:09 ` [PATCH 01/12] perf: Start the massive restructuring Borislav Petkov
2011-01-21 15:09 ` [PATCH 02/12] perf: Add persistent event facilities Borislav Petkov
2011-01-21 15:09 ` [PATCH 03/12] x86, mce: Add persistent MCE event Borislav Petkov
2011-01-21 15:09 ` [PATCH 04/12] perf: Add Makefile.lib Borislav Petkov
2011-01-21 15:09 ` [PATCH 05/12] perf: Export trace-event utils Borislav Petkov
2011-01-21 15:09 ` [PATCH 06/12] perf: Remove duplicate enum trace_flag_type Borislav Petkov
2011-01-21 15:09 ` [PATCH 07/12] perf: Export debugfs utilities Borislav Petkov
2011-01-21 15:09 ` [PATCH 08/12] perf: Carve out mmap helpers for general use Borislav Petkov
2011-01-21 17:29   ` Arnaldo Carvalho de Melo
2011-01-24  9:04     ` Borislav Petkov [this message]
2011-01-24 12:39       ` Arnaldo Carvalho de Melo
2011-01-26  1:00         ` Borislav Petkov
2011-01-26 13:13           ` Arnaldo Carvalho de Melo
2011-01-21 15:09 ` [PATCH 09/12] perf: Export util.ch into library Borislav Petkov
2011-01-21 15:09 ` [PATCH 10/12] perf: Export ctype.c Borislav Petkov
2011-01-21 15:09 ` [PATCH 11/12] perf: Export tracepoint_id_to_path Borislav Petkov
2011-01-21 15:09 ` [PATCH] ras: Add RAS daemon Borislav Petkov
2011-01-21 17:54   ` Tony Luck
2011-01-21 18:06     ` Borislav Petkov

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