From: Borislav Petkov <bp@alien8.de>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Robert Richter <rric@kernel.org>, Ingo Molnar <mingo@kernel.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Jiri Olsa <jolsa@redhat.com>,
linux-kernel@vger.kernel.org, Borislav Petkov <bp@suse.de>,
Robert Richter <robert.richter@linaro.org>
Subject: Re: [PATCH v2 02/14] perf: Add persistent events
Date: Mon, 24 Jun 2013 21:24:04 +0200 [thread overview]
Message-ID: <20130624192404.GA24827@pd.tnic> (raw)
In-Reply-To: <20130624092807.GM28407@twins.programming.kicks-ass.net>
On Mon, Jun 24, 2013 at 11:28:07AM +0200, Peter Zijlstra wrote:
> I find this patch incomplete for its asymmetric; there a dec, but not an
> implied inc.
There's one in perf_mmap_open.
Basically the idea was to pull up the ->mmap_count decrement (haha,
sounds like excrement :-)) and not deallocate the ring buffers for a
persistent event.
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2013-06-24 19:24 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-11 16:42 [PATCH v2 00/14] perf, persistent: Kernel updates for perf tool integration Robert Richter
2013-06-11 16:42 ` [PATCH v2 01/14] perf, ring_buffer: Use same prefix Robert Richter
2013-06-11 16:42 ` [PATCH v2 02/14] perf: Add persistent events Robert Richter
2013-06-24 9:28 ` Peter Zijlstra
2013-06-24 19:24 ` Borislav Petkov [this message]
2013-06-25 8:46 ` Robert Richter
2013-06-11 16:42 ` [PATCH v2 03/14] perf: Add persistent event facilities Robert Richter
2013-06-14 2:15 ` Namhyung Kim
2013-06-14 7:20 ` Robert Richter
2013-06-24 9:32 ` Peter Zijlstra
2013-06-25 8:47 ` Robert Richter
2013-06-24 9:44 ` Peter Zijlstra
2013-06-25 8:41 ` Robert Richter
2013-06-24 9:48 ` Peter Zijlstra
2013-06-24 19:26 ` Borislav Petkov
2013-06-25 7:44 ` Peter Zijlstra
2013-06-25 9:24 ` Robert Richter
2013-06-25 9:37 ` Borislav Petkov
2013-06-25 10:51 ` Robert Richter
2013-06-25 15:29 ` Borislav Petkov
2013-06-25 16:14 ` Robert Richter
2013-06-11 16:42 ` [PATCH v2 04/14] MCE: Enable persistent event Robert Richter
2013-06-11 16:42 ` [PATCH v2 05/14] perf, persistent: Rework struct pers_event_desc Robert Richter
2013-06-11 16:42 ` [PATCH v2 06/14] perf, persistent: Remove rb_put() Robert Richter
2013-06-11 16:42 ` [PATCH v2 07/14] perf, persistent: Introduce get_persistent_event() Robert Richter
2013-06-11 16:42 ` [PATCH v2 08/14] perf, persistent: Reworking perf_get_persistent_event_fd() Robert Richter
2013-06-11 16:42 ` [PATCH v2 09/14] perf, persistent: Protect event lists with mutex Robert Richter
2013-06-11 16:42 ` [PATCH v2 10/14] perf, persistent: Avoid adding identical events Robert Richter
2013-06-11 16:42 ` [PATCH v2 11/14] perf, persistent: Implementing a persistent pmu Robert Richter
2013-06-11 16:42 ` [PATCH v2 12/14] perf, persistent: Name each persistent event Robert Richter
2013-06-11 16:42 ` [PATCH v2 13/14] perf, persistent: Exposing persistent events using sysfs Robert Richter
2013-06-14 2:36 ` Namhyung Kim
2013-06-14 8:57 ` Robert Richter
2013-06-11 16:42 ` [PATCH v2 14/14] perf, persistent: Allow multiple users for an event Robert Richter
2013-06-24 10:08 ` [PATCH v2 00/14] perf, persistent: Kernel updates for perf tool integration Peter Zijlstra
2013-06-25 10:46 ` Robert Richter
2013-06-24 10:22 ` Peter Zijlstra
2013-06-25 16:56 ` Robert Richter
2013-06-24 10:24 ` Peter Zijlstra
2013-06-24 15:25 ` Peter Zijlstra
2013-06-24 19:45 ` Ingo Molnar
2013-06-25 17:57 ` Robert Richter
2013-06-25 19:16 ` Borislav Petkov
2013-06-26 8:12 ` Robert Richter
2013-06-26 8:24 ` Borislav Petkov
2013-06-26 9:46 ` Ingo Molnar
2013-06-26 9:56 ` Borislav Petkov
2013-06-26 10:11 ` Robert Richter
2013-06-26 11:45 ` Ingo Molnar
2013-06-26 12:25 ` Ingo Molnar
2013-06-26 12:44 ` Robert Richter
2013-06-27 5:46 ` Namhyung Kim
2013-06-27 8:35 ` Borislav Petkov
2013-06-27 8:50 ` Ingo Molnar
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