linux-kernel - Re: [PATCH] perf: sched map skips redundant lines with cpu filters

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date: Sat, 15 Jun 2024 21:45:16 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Fernand Sieber <sieberf@...zon.com>
Cc: linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: Re: [PATCH] perf: sched map skips redundant lines with cpu filters

On Fri, 14 Jun 2024 09:35:17 +0200, Fernand Sieber wrote:

> perf sched map supports cpu filter.
> However, even with cpu filters active, any context switch currently
> corresponds to a separate line.
> As result, context switches on irrelevant cpus result to redundant lines,
> which makes the output particlularly difficult to read on wide
> architectures.
> 
> [...]

Applied to perf-tools-next, thanks!

Best regards,
Namhyung