From: Namhyung Kim <namhyung@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
Jiri Olsa <jolsa@kernel.org>, Dirk Gouders <dirk@gouders.net>
Cc: Ian Rogers <irogers@google.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
linux-perf-users@vger.kernel.org
Subject: Re: [PATCH] perf bench sched pipe: fix enforced blocking reads in worker_thread
Date: Mon, 24 Mar 2025 09:34:37 -0700 [thread overview]
Message-ID: <174283407799.1817265.5810920957697722806.b4-ty@kernel.org> (raw)
In-Reply-To: <20250323140316.19027-2-dirk@gouders.net>
On Sun, 23 Mar 2025 15:01:01 +0100, Dirk Gouders wrote:
> The function worker_thread() is programmed in a way that roughly
> doubles the number of expectable context switches, because it enforces
> blocking reads:
>
> Performance counter stats for 'perf bench sched pipe':
>
> 2,000,004 context-switches
>
> [...]
Applied to perf-tools-next, thanks!
Best regards,
Namhyung
prev parent reply other threads:[~2025-03-24 16:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-23 14:01 Dirk Gouders
2025-03-23 19:02 ` Ingo Molnar
2025-03-24 16:34 ` Namhyung Kim [this message]
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