From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Richter <tmricht@linux.ibm.com>
Cc: Ian Rogers <irogers@google.com>, Marc Zyngier <maz@kernel.org>,
Oliver Upton <oliver.upton@linux.dev>,
Ravi Bangoria <ravi.bangoria@amd.com>,
Nathan Chancellor <nathan@kernel.org>,
namhyung@kernel.org, eranian@google.com, acme@kernel.org,
mark.rutland@arm.com, jolsa@kernel.org, bp@alien8.de,
kan.liang@linux.intel.com, adrian.hunter@intel.com,
maddy@linux.ibm.com, x86@kernel.org,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
sandipan.das@amd.com, ananth.narayan@amd.com,
santosh.shukla@amd.com, kvmarm@lists.linux.dev
Subject: Re: [PATCH v4 3/4] perf/core: Remove pmu linear searching code
Date: Thu, 1 Jun 2023 13:20:27 +0200 [thread overview]
Message-ID: <20230601112027.GI38236@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20230601111856.GW4253@hirez.programming.kicks-ass.net>
On Thu, Jun 01, 2023 at 01:18:56PM +0200, Peter Zijlstra wrote:
> On Thu, Jun 01, 2023 at 01:02:30PM +0200, Thomas Richter wrote:
>
> > PS: I have the feeling, it gets complicated to have multiple hardware PMUs
> > per platform.
>
> Recently someone was poking around giving the pmu device a parent, this
> would, I think, result in sysfs links, which could be used to decide
> what's what.
>
> Core pmus would have the CPU device as their parent, while memory
> controller thingies would link to the relevant node or something.
>
> Ofc. all that's future-work/pending.
https://lkml.kernel.org/r/20230404134225.13408-1-Jonathan.Cameron%40huawei.com
https://lkml.kernel.org/r/20230531110011.13963-2-Jonathan.Cameron%40huawei.com
next prev parent reply other threads:[~2023-06-01 11:20 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-04 10:59 [PATCH v4 0/4] perf: Rework event forwarding logic Ravi Bangoria
2023-05-04 11:00 ` [PATCH v4 1/4] perf/core: Rework forwarding of {task|cpu}-clock events Ravi Bangoria
2023-05-10 13:33 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2024-02-20 8:41 ` [PATCH v4 1/4] " Pengfei Xu
2024-02-23 5:27 ` Ravi Bangoria
2024-02-28 12:49 ` Ravi Bangoria
2024-02-29 3:41 ` Pengfei Xu
2023-05-04 11:00 ` [PATCH v4 2/4] perf/ibs: Fix interface via core pmu events Ravi Bangoria
2023-05-10 13:33 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2023-05-04 11:00 ` [PATCH v4 3/4] perf/core: Remove pmu linear searching code Ravi Bangoria
2023-05-10 13:33 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2023-05-24 21:41 ` [PATCH v4 3/4] " Nathan Chancellor
2023-05-25 5:16 ` Ravi Bangoria
2023-05-25 7:11 ` Oliver Upton
2023-05-25 14:20 ` Peter Zijlstra
2023-05-25 15:56 ` Oliver Upton
2023-05-26 23:00 ` Ian Rogers
2023-05-27 13:32 ` Marc Zyngier
2023-05-27 17:00 ` Ian Rogers
2023-05-27 17:05 ` Ian Rogers
2023-05-27 18:38 ` Marc Zyngier
2023-05-27 19:50 ` Ian Rogers
2023-05-30 7:45 ` Thomas Richter
2023-05-30 14:00 ` Ian Rogers
2023-05-31 9:09 ` Thomas Richter
[not found] ` <CAP-5=fVw3vSEu7yGFDnZi8c3VUFJu_XEZtY9ZcTsD7ip2imR6Q@mail.gmail.com>
2023-06-01 11:02 ` Thomas Richter
2023-06-01 11:18 ` Peter Zijlstra
2023-06-01 11:20 ` Peter Zijlstra [this message]
2023-05-25 15:55 ` Nathan Chancellor
2023-05-04 11:00 ` [PATCH v4 4/4] perf test: Add selftest to test IBS invocation via core pmu events Ravi Bangoria
2023-05-05 9:16 ` Peter Zijlstra
2023-05-15 21:31 ` Arnaldo Carvalho de Melo
2023-05-15 21:33 ` Arnaldo Carvalho de Melo
2023-05-10 13:33 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
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