linux-kernel - Re: [PATCH v1] perf stat: Combine the -A/--no-aggr and --no-merge options

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Date: Thu, 14 Dec 2023 18:43:35 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: "Liang, Kan" <kan.liang@...ux.intel.com>
Cc: Ian Rogers <irogers@...gle.com>, Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>, Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	K Prateek Nayak <kprateek.nayak@....com>,
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
	Kaige Ye <ye@...ge.org>, James Clark <james.clark@....com>,
	Changbin Du <changbin.du@...wei.com>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	John Garry <john.g.garry@...cle.com>,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] perf stat: Combine the -A/--no-aggr and --no-merge
 options

Em Thu, Dec 14, 2023 at 10:10:57AM -0500, Liang, Kan escreveu:
> On 2023-12-14 1:02 a.m., Ian Rogers wrote:
> > The -A or --no-aggr option disables aggregation of core events:
<SNIP>
> > The --no-merge option disables the aggregation of uncore events:
<SNIP>
> > Having two options confuses users who generally don't appreciate the
> > difference in PMUs. Keep all the options but make it so they all
> > disable aggregation both of core and uncore events:

> > Update the relevant perf-stat man page information.
 
> Reviewed-by: Kan Liang <kan.liang@...ux.intel.com>

Thanks, applied to perf-tools-next.

- Arnaldo