linux-kernel - Re: [PATCH] perf/amd/ibs: provide weights for all IBS op samples

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Message-ID: <6b0c6f19-b054-0ffe-ad45-776b2f7c441f@amd.com>
Date: Mon, 18 Mar 2024 16:14:09 +0530
From: Ravi Bangoria <ravi.bangoria@....com>
To: Stephane Eranian <eranian@...gle.com>, linux-kernel@...r.kernel.org
Cc: peterz@...radead.org, namhyung@...nel.org, irogers@...gle.com,
 sandipan.das@....com, ananth.narayan@....com, Ingo Molnar
 <mingo@...hat.com>, Ravi Bangoria <ravi.bangoria@....com>
Subject: Re: [PATCH] perf/amd/ibs: provide weights for all IBS op samples

cc: +Ingo

On 13-Mar-24 11:24 PM, Stephane Eranian wrote:
> IBS Op provides instructions latencies for each uop sampled. The current
> code was only providing the weights only for loads. This is useful
> information for performance analysis. This patch modifies the logic to
> provide the weights for all uops.
> 
> $ perf record -a -W -c 100003 -e ibs_op/cnt_ctl=1/GH ....
> 
> Signed-off-by: Stephane Eranian <eranian@...gle.com>

Reviewed-by: Ravi Bangoria <ravi.bangoria@....com>