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Message-ID: <CAM9d7cjKo5Xzmwqk1tNFdbhiDbzDisPgBgd2m1N66j05nt5b9A@mail.gmail.com>
Date: Wed, 7 Sep 2022 10:41:12 -0700
From: Namhyung Kim <namhyung@...nel.org>
To: Adrian Hunter <adrian.hunter@...el.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>,
Jiri Olsa <jolsa@...nel.org>, Ingo Molnar <mingo@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
LKML <linux-kernel@...r.kernel.org>,
Ian Rogers <irogers@...gle.com>,
linux-perf-users <linux-perf-users@...r.kernel.org>
Subject: Re: [PATCH 3/6] perf test: Test record with --threads option
On Wed, Sep 7, 2022 at 6:33 AM Adrian Hunter <adrian.hunter@...el.com> wrote:
>
> On 7/09/22 09:46, Namhyung Kim wrote:
> > @@ -90,6 +90,19 @@ test_per_thread() {
> > err=1
> > return
> > fi
> > + if ! perf record -e cpu-clock,cs --per-thread --threads=core ${testopt} \
> > + -o ${perfdata} ${testprog} 2> /dev/null
>
> This does not seem to be possible, because it gives the error:
>
> --per-thread option is mutually exclusive to parallel streaming mode.
> Failed to initialize parallel data streaming masks
Oh, ok. Let's drop this change then.
Thanks,
Namhyung
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