linux-kernel - Re: [PATCH v5 00/10] perf sched: Introduce stats tool

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

Message-ID: <aXEyJCSqlPPUS9YG@x1>
Date: Wed, 21 Jan 2026 17:08:04 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Peter Zijlstra <peterz@...radead.org>
Cc: Ian Rogers <irogers@...gle.com>, "Chen, Yu C" <yu.c.chen@...el.com>,
	Swapnil Sapkal <swapnil.sapkal@....com>, ravi.bangoria@....com,
	mark.rutland@....com, alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org, rostedt@...dmis.org, vincent.guittot@...aro.org,
	adrian.hunter@...el.com, kan.liang@...ux.intel.com,
	gautham.shenoy@....com, kprateek.nayak@....com,
	juri.lelli@...hat.com, yangjihong@...edance.com, void@...ifault.com,
	tj@...nel.org, sshegde@...ux.ibm.com, ctshao@...gle.com,
	quic_zhonhan@...cinc.com, thomas.falcon@...el.com,
	blakejones@...gle.com, ashelat@...hat.com, leo.yan@....com,
	dvyukov@...gle.com, ak@...ux.intel.com, yujie.liu@...el.com,
	graham.woodward@....com, ben.gainey@....com, vineethr@...ux.ibm.com,
	tim.c.chen@...ux.intel.com, linux@...blig.org,
	santosh.shukla@....com, sandipan.das@....com,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
	mingo@...hat.com, namhyung@...nel.org, james.clark@....com
Subject: Re: [PATCH v5 00/10] perf sched: Introduce stats tool

On Wed, Jan 21, 2026 at 08:51:55PM +0100, Peter Zijlstra wrote:
> On Wed, Jan 21, 2026 at 09:12:20AM -0800, Ian Rogers wrote:
> 
> > I'm still wondering if we can make some of the /proc/schedstat data
> > appear as tool events similar to proposals for networking and memory
> > tool events in:
> > https://lore.kernel.org/lkml/20260104011738.475680-1-irogers@google.com/
> 
> Yeah, someone with a bit of spare time could make it happen:
> 
>   https://lkml.kernel.org/r/20250703141800.GX1613200@noisy.programming.kicks-ass.net
> 
> It would be:
> 
>  - convert all the accounting sites to tracepoints
>  - write modules that connect to relevant tracepoints to provide the
>    'legacy' interface
>  - convince world+dog to not auto-load above modules
>  - have beer and wait for people to complain about something :-)
> 
> I'm sure there's 'interesting' details glossed over, but I *think* it
> should be doable.

Until then, since you and Ian acked this one, I'm going over it and
tentatively merging it,

Thanks,

- Arnaldo