From: Andi Kleen <ak@linux.intel.com>
To: Anand K Mistry <amistry@google.com>
Cc: linux-perf-users@vger.kernel.org,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Ingo Molnar <mingo@redhat.com>, Jiri Olsa <jolsa@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] perf record: Use an eventfd to wakeup when done
Date: Sat, 23 May 2020 06:34:56 -0700 [thread overview]
Message-ID: <87a71y93lr.fsf@linux.intel.com> (raw)
In-Reply-To: <20200513122012.v3.1.I4d7421c6bbb1f83ea58419082481082e19097841@changeid> (Anand K. Mistry's message of "Wed, 13 May 2020 12:20:23 +1000")
Anand K Mistry <amistry@google.com> writes:
> }
>
> + done_fd = eventfd(0, EFD_NONBLOCK);
This will make perf depend on a recent glibc or other library
that implements eventfd. Wouldn't surprise me if some kind
of build time check is needed for this to pass all of Arnaldo's
built tests.
-Andi
next prev parent reply other threads:[~2020-05-23 17:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-08 4:56 [PATCH] perf record: Use an eventfd to wakeup when done Anand K Mistry
2020-05-11 11:28 ` Jiri Olsa
2020-05-12 4:59 ` Anand K Mistry
2020-05-12 12:12 ` Jiri Olsa
2020-05-12 14:12 ` Arnaldo Carvalho de Melo
2020-05-13 2:30 ` Anand K. Mistry
2020-05-13 2:20 ` [PATCH v3] " Anand K Mistry
2020-05-13 11:39 ` Jiri Olsa
2020-05-13 14:03 ` Arnaldo Carvalho de Melo
2020-05-20 15:47 ` Arnaldo Carvalho de Melo
2020-05-23 13:34 ` Andi Kleen [this message]
2020-05-25 1:43 ` Anand K. Mistry
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