From: Peter Zijlstra <peterz@infradead.org>
To: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
linux-kernel@vger.kernel.org,
Arjan van de Ven <arjan@infradead.org>,
David Ahern <dsahern@gmail.com>,
Frederic Weisbecker <fweisbec@gmail.com>,
Mike Galbraith <efault@gmx.de>, Paul Mackerras <paulus@samba.org>,
Stephane Eranian <eranian@google.com>,
arnaldo.melo@gmail.com,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: Re: [GIT PULL 0/8] Annotation weekly ponies delivery
Date: Tue, 15 May 2012 12:32:53 +0200 [thread overview]
Message-ID: <1337077973.27694.24.camel@twins> (raw)
In-Reply-To: <1337007985.1552.5.camel@leonhard>
On Tue, 2012-05-15 at 00:06 +0900, Namhyung Kim wrote:
> perf_evlist__config_attrs() has this:
>
> if (evlist->cpus->map[0] < 0)
> opts->no_inherit = true;
>
> meaning that per task profiling won't enable event inheritance. I don't
> know why it's needed though.
Because you cannot have inherited per-task counters. It only works for
per-task-per-cpu counters. Otherwise you'll have a scalability
nightmare.
next prev parent reply other threads:[~2012-05-15 10:33 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-12 19:52 [GIT PULL 0/8] Annotation weekly ponies delivery Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 1/8] perf annotate: Use raw form for register indirect call instructions Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 2/8] perf annotate: Resolve symbols using objdump comment Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 3/8] perf annotate: Resolve symbols using objdump comment for single op ins Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 4/8] perf annotate: Augment lock instruction output Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 5/8] perf annotate: Introduce ->free() method in ins_ops Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 6/8] perf annotate browser: Count the numbers of jump sources to a target Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 7/8] perf annotate browser: Show 'jumpy' functions Arnaldo Carvalho de Melo
2012-05-12 19:53 ` [PATCH 8/8] perf annotate browser: Add key bindings help window Arnaldo Carvalho de Melo
2012-05-12 20:40 ` [GIT PULL 0/8] Annotation weekly ponies delivery Linus Torvalds
2012-05-12 21:25 ` Arnaldo Carvalho de Melo
2012-05-12 22:29 ` Linus Torvalds
2012-05-14 7:05 ` Ingo Molnar
2012-05-14 11:13 ` Peter Zijlstra
2012-05-14 11:55 ` Ingo Molnar
2012-05-14 15:06 ` Namhyung Kim
2012-05-15 4:48 ` Namhyung Kim
2012-05-15 10:32 ` Peter Zijlstra [this message]
2012-05-15 14:44 ` Namhyung Kim
2012-05-15 17:07 ` Peter Zijlstra
2012-05-16 5:57 ` Namhyung Kim
2012-05-16 8:19 ` Namhyung Kim
2012-05-17 0:13 ` Namhyung Kim
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