From: Jiri Olsa <jolsa@redhat.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: acme@kernel.org, namhyung@kernel.org, eranian@google.com,
linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>
Subject: Re: [PATCH 01/11] perf, tools: Add tools support for cycles, weight branch_info field
Date: Mon, 1 Jun 2015 16:16:07 +0200 [thread overview]
Message-ID: <20150601141607.GA14869@krava.redhat.com> (raw)
In-Reply-To: <1432749114-904-2-git-send-email-andi@firstfloor.org>
On Wed, May 27, 2015 at 10:51:44AM -0700, Andi Kleen wrote:
> From: Andi Kleen <ak@linux.intel.com>
>
> cycles is a new branch_info field available on some CPUs
> that indicates the time deltas between branches in the LBR.
>
> Add a sort key and output code for the cycles
> to allow to display the basic block cycles individually in perf report.
>
> We also pass in the cycles for weight when LBRs are processed,
> which allows to get global and local weight, to get an estimate
> of the total cost.
>
> And also print the cycles information for perf report -D.
> I also added printing for the previously missing LBR flags
> (mispredict etc.)
>
> Signed-off-by: Andi Kleen <ak@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks,
jirka
next prev parent reply other threads:[~2015-06-01 14:16 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-27 17:51 Cycles annotation support for perf tools v2 Andi Kleen
2015-05-27 17:51 ` [PATCH 01/11] perf, tools: Add tools support for cycles, weight branch_info field Andi Kleen
2015-06-01 14:16 ` Jiri Olsa [this message]
2015-05-27 17:51 ` [PATCH 02/11] perf, tools, report: Add flag for non ANY branch mode Andi Kleen
2015-06-01 14:16 ` Jiri Olsa
2015-05-27 17:51 ` [PATCH 03/11] perf, tools: Add symbol__get_annotation Andi Kleen
2015-05-28 9:32 ` [tip:perf/core] perf annotation: " tip-bot for Andi Kleen
2015-06-01 14:17 ` [PATCH 03/11] perf, tools: " Jiri Olsa
2015-05-27 17:51 ` [PATCH 04/11] perf, tools, report: Add infrastructure for a cycles histogram Andi Kleen
2015-06-01 14:19 ` Jiri Olsa
2015-05-27 17:51 ` [PATCH 05/11] perf, tools, report: Add processing for cycle histograms Andi Kleen
2015-06-01 14:10 ` Jiri Olsa
2015-05-27 17:51 ` [PATCH 06/11] perf, tools: Compute IPC and basic block cycles for annotate Andi Kleen
2015-05-27 17:51 ` [PATCH 07/11] perf, tools, annotate: Finally display IPC and cycle accounting Andi Kleen
2015-05-27 17:51 ` [PATCH 08/11] perf, tools, report: Move branch option parsing to own file Andi Kleen
2015-05-28 9:32 ` [tip:perf/core] perf tools: " tip-bot for Andi Kleen
2015-06-01 14:20 ` [PATCH 08/11] perf, tools, report: " Jiri Olsa
2015-05-27 17:51 ` [PATCH 09/11] perf, tools, top: Add branch annotation code to top Andi Kleen
2015-05-27 17:51 ` [PATCH 10/11] perf, tools, report: Display cycles in branch sort mode Andi Kleen
2015-05-27 17:51 ` [PATCH 11/11] test patch: Add fake branch cycles to input data in report/top Andi Kleen
2015-06-01 14:21 ` Cycles annotation support for perf tools v2 Jiri Olsa
2015-06-01 14:43 ` Arnaldo Carvalho de Melo
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