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From: Arnaldo Carvalho de Melo <acme@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	"ak@linux.intel.com" <ak@linux.intel.com>,
	Namhyung Kim <namhyung.kim@lge.com>
Subject: Re: [PATCH v7 11/18] perf tools: add mem access sampling core support
Date: Thu, 28 Mar 2013 12:12:48 -0300	[thread overview]
Message-ID: <20130328151248.GB13795@infradead.org> (raw)
In-Reply-To: <20130328150018.GA13795@infradead.org>

Em Thu, Mar 28, 2013 at 12:00:18PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Mar 28, 2013 at 03:24:30PM +0100, Stephane Eranian escreveu:
> > On Wed, Mar 27, 2013 at 5:56 PM, Arnaldo Carvalho de Melo
> > > Stephane, if you could give it a try again to see that the fixups I did
> > > (documented in the commit logs, just before my Signed-off-by) are ok,
> > > that would be good.
> 
> > I tried on a few examples on both NHM (only loads, no TLB) and SNB
> > and got the right answers for my tests, including data symbol resolution.
> 
> > What we discussed with Jiri yesterday can be added later on.
> 
> > Thanks for the integration work. Looks good to me.
> 
> Humm, I just tried it with a simple:
> 
> perf mem -t load rec
> 
> And got an OOPS, trying again, and this machine was suspended, perhaps
> perf/core doesn't have that PEBS fix, will check.

Yeah, after a fresh reboot it doesn't OOPses, the fix:

commit 1d9d8639c063caf6efc2447f5f26aa637f844ff6
Author: Stephane Eranian <eranian@google.com>
Date:   Fri Mar 15 14:26:07 2013 +0100

    perf,x86: fix kernel crash with PEBS/BTS after suspend/resume

--------

Isn't in perf/core, cool, before your test results I thougt I had messed
up something :-)

- Arnaldo

  parent reply	other threads:[~2013-03-28 15:13 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-24 15:10 [PATCH v7 00/18] perf: add memory access sampling support Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 01/18] perf, x86: Support CPU specific sysfs events Stephane Eranian
2013-01-25 12:16   ` [tip:perf/x86] perf/x86: " tip-bot for Andi Kleen
2013-04-02  9:38   ` [tip:perf/core] " tip-bot for Andi Kleen
2013-01-24 15:10 ` [PATCH v7 02/18] perf/x86: improve sysfs event mapping with event string Stephane Eranian
2013-01-25 12:17   ` [tip:perf/x86] perf/x86: Improve " tip-bot for Stephane Eranian
2013-04-02  9:39   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 03/18] perf/x86: add flags to event constraints Stephane Eranian
2013-01-25 12:18   ` [tip:perf/x86] perf/x86: Add " tip-bot for Stephane Eranian
2013-04-02  9:40   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 04/18] perf, core: Add a concept of a weightened sample v2 Stephane Eranian
2013-01-25 12:20   ` [tip:perf/x86] perf/core: Add weighted samples tip-bot for Andi Kleen
2013-04-02  9:42   ` [tip:perf/core] " tip-bot for Andi Kleen
2013-01-24 15:10 ` [PATCH v7 05/18] perf, tools: Add support for weight v7 (modified) Stephane Eranian
2013-04-02  9:49   ` [tip:perf/core] perf " tip-bot for Andi Kleen
2013-01-24 15:10 ` [PATCH v7 06/18] perf: add support for PERF_SAMPLE_ADDR in dump_sampple() Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 07/18] perf: add generic memory sampling interface Stephane Eranian
2013-01-25  9:01   ` Ingo Molnar
2013-01-25 15:30     ` Stephane Eranian
2013-01-29 10:37       ` Michael Ellerman
2013-02-15 19:46     ` Sukadev Bhattiprolu
2013-02-16  2:45       ` Benjamin Herrenschmidt
2013-02-16  8:41         ` Ingo Molnar
2013-02-16 14:14         ` Stephane Eranian
2013-01-25 12:21   ` [tip:perf/x86] perf: Add " tip-bot for Stephane Eranian
2013-04-02  9:43   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 08/18] perf/x86: add memory profiling via PEBS Load Latency Stephane Eranian
2013-01-25 12:22   ` [tip:perf/x86] perf/x86: Add " tip-bot for Stephane Eranian
2013-04-02  9:44   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 09/18] perf/x86: export PEBS load latency threshold register to sysfs Stephane Eranian
2013-01-25 12:23   ` [tip:perf/x86] perf/x86: Export " tip-bot for Stephane Eranian
2013-04-02  9:45   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 10/18] perf/x86: add support for PEBS Precise Store Stephane Eranian
2013-01-25 12:24   ` [tip:perf/x86] perf/x86: Add " tip-bot for Stephane Eranian
2013-04-02  9:47   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 11/18] perf tools: add mem access sampling core support Stephane Eranian
2013-03-27 14:14   ` Jiri Olsa
2013-03-27 14:20     ` Peter Zijlstra
2013-03-27 14:34       ` Jiri Olsa
2013-03-27 14:48         ` Stephane Eranian
2013-03-27 16:56           ` Arnaldo Carvalho de Melo
2013-03-28 14:24             ` Stephane Eranian
2013-03-28 15:00               ` Arnaldo Carvalho de Melo
2013-03-28 15:06                 ` Stephane Eranian
2013-03-28 15:12                 ` Arnaldo Carvalho de Melo [this message]
2013-03-28 15:15                   ` Stephane Eranian
2013-03-27 14:23     ` Jiri Olsa
2013-04-02  9:50   ` [tip:perf/core] perf tools: Add " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 12/18] perf report: add support for mem access profiling Stephane Eranian
2013-04-02  9:53   ` [tip:perf/core] perf report: Add " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 13/18] perf record: add " Stephane Eranian
2013-04-02  9:51   ` [tip:perf/core] perf record: Add " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 14/18] perf tools: add new mem command for memory " Stephane Eranian
2013-04-02  9:55   ` [tip:perf/core] perf tools: Add " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 15/18] perf: add PERF_RECORD_MISC_MMAP_DATA to RECORD_MMAP Stephane Eranian
2013-01-25 12:25   ` [tip:perf/x86] perf: Add " tip-bot for Stephane Eranian
2013-04-02  9:48   ` [tip:perf/core] " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 16/18] perf tools: detect data vs. text mappings Stephane Eranian
2013-04-02  9:57   ` [tip:perf/core] perf machine: Detect " tip-bot for Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 17/18] perf tools: Ignore ABS symbols when loading data maps Stephane Eranian
2013-01-24 15:10 ` [PATCH v7 18/18] perf tools: Fix output of symbol_daddr offset Stephane Eranian
2013-04-02  9:58   ` [tip:perf/core] " tip-bot for Namhyung Kim
2013-01-25  8:55 ` [PATCH v7 00/18] perf: add memory access sampling support Ingo Molnar
2013-01-25 15:28   ` Stephane Eranian
2013-01-25 10:38 ` Ingo Molnar
2013-02-05 13:03   ` Stephane Eranian
2013-02-05 15:35     ` Arnaldo Carvalho de Melo
2013-02-06 13:24       ` Ingo Molnar

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