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Date: Wed, 20 Mar 2024 15:20:27 -0300
From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	James Clark <james.clark@arm.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] perf tests: Run tests in parallel by default
Message-ID: <Zfso6wDszEoCVeEX@x1>
References: <20240301174711.2646944-1-irogers@google.com>
 <CAP-5=fU7PNEDgOg=cFKkSMgHe7_Xbi5Y9k6yPoAwOpN-Uwdp7A@mail.gmail.com>
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On Wed, Mar 20, 2024 at 08:58:37AM -0700, Ian Rogers wrote:
> On Fri, Mar 1, 2024 at 9:47 AM Ian Rogers <irogers@google.com> wrote:
> >
> > Switch from running tests sequentially to running in parallel by
> > default. Change the opt-in '-p' or '--parallel' flag to '-S' or
> > '--sequential'.
> >
> > On an 8 core tigerlake an address sanitizer run time changes from:
> > 326.54user 622.73system 6:59.91elapsed 226%CPU
> > to:
> > 973.02user 583.98system 3:01.17elapsed 859%CPU
> >
> > So over twice as fast, saving 4 minutes.
> >
> > Signed-off-by: Ian Rogers <irogers@google.com>
> 
> Ping.

Thanks, applied.

- Arnaldo