From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Ian Rogers <irogers@google.com>,
"Chen, Yu C" <yu.c.chen@intel.com>,
Swapnil Sapkal <swapnil.sapkal@amd.com>,
ravi.bangoria@amd.com, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
rostedt@goodmis.org, vincent.guittot@linaro.org,
adrian.hunter@intel.com, kan.liang@linux.intel.com,
gautham.shenoy@amd.com, kprateek.nayak@amd.com,
juri.lelli@redhat.com, yangjihong@bytedance.com,
void@manifault.com, tj@kernel.org, sshegde@linux.ibm.com,
ctshao@google.com, quic_zhonhan@quicinc.com,
thomas.falcon@intel.com, blakejones@google.com,
ashelat@redhat.com, leo.yan@arm.com, dvyukov@google.com,
ak@linux.intel.com, yujie.liu@intel.com, graham.woodward@arm.com,
ben.gainey@arm.com, vineethr@linux.ibm.com,
tim.c.chen@linux.intel.com, linux@treblig.org,
santosh.shukla@amd.com, sandipan.das@amd.com,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
mingo@redhat.com, namhyung@kernel.org, james.clark@arm.com
Subject: Re: [PATCH v5 00/10] perf sched: Introduce stats tool
Date: Wed, 21 Jan 2026 17:08:04 -0300 [thread overview]
Message-ID: <aXEyJCSqlPPUS9YG@x1> (raw)
In-Reply-To: <20260121195155.GP166857@noisy.programming.kicks-ass.net>
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
next prev parent reply other threads:[~2026-01-21 20:08 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 17:58 [PATCH v5 00/10] perf sched: Introduce stats tool Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 01/10] tools/lib: Add list_is_first() Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 02/10] perf header: Support CPU DOMAIN relation info Swapnil Sapkal
2026-01-21 17:18 ` Shrikanth Hegde
2026-01-23 15:19 ` Swapnil Sapkal
2026-01-23 16:31 ` Arnaldo Carvalho de Melo
2026-01-26 14:46 ` kernel test robot
2026-01-26 17:12 ` Ian Rogers
2026-01-27 2:46 ` Oliver Sang
2026-01-19 17:58 ` [PATCH v5 03/10] perf sched stats: Add record and rawdump support Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 04/10] perf sched stats: Add schedstat v16 support Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 05/10] perf sched stats: Add schedstat v17 support Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 06/10] perf sched stats: Add support for report subcommand Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 07/10] perf sched stats: Add support for live mode Swapnil Sapkal
2026-01-22 0:54 ` Arnaldo Carvalho de Melo
2026-01-22 1:32 ` Arnaldo Carvalho de Melo
2026-01-22 15:34 ` Arnaldo Carvalho de Melo
2026-01-22 15:42 ` Arnaldo Carvalho de Melo
2026-03-03 18:47 ` Ian Rogers
2026-03-10 10:08 ` Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 08/10] perf sched stats: Add support for diff subcommand Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 09/10] perf sched stats: Add basic perf sched stats test Swapnil Sapkal
2026-01-19 17:58 ` [PATCH v5 10/10] perf sched stats: Add details in man page Swapnil Sapkal
2026-01-21 16:09 ` [PATCH v5 00/10] perf sched: Introduce stats tool Chen, Yu C
2026-01-21 16:33 ` Peter Zijlstra
2026-01-21 17:12 ` Ian Rogers
2026-01-21 19:51 ` Peter Zijlstra
2026-01-21 20:08 ` Arnaldo Carvalho de Melo [this message]
2026-01-21 20:10 ` Peter Zijlstra
2026-01-22 16:00 ` Arnaldo Carvalho de Melo
2026-01-23 16:32 ` Swapnil Sapkal
2026-01-23 16:37 ` Arnaldo Carvalho de Melo
2026-01-23 16:42 ` Swapnil Sapkal
2026-01-21 17:52 ` Shrikanth Hegde
2026-01-23 16:19 ` Swapnil Sapkal
2026-01-21 22:59 ` Namhyung Kim
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