From: Robert Richter <rric@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@kernel.org>,
Arnaldo Carvalho de Melo <acme@infradead.org>,
Jiri Olsa <jolsa@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 00/12] perf, persistent: Add persistent events
Date: Tue, 27 Aug 2013 14:27:21 +0200 [thread overview]
Message-ID: <20130827122721.GF15884@rric.localhost> (raw)
In-Reply-To: <20130824093826.GB28383@pd.tnic>
On 24.08.13 11:38:26, Borislav Petkov wrote:
> this text is very nicely written and should be in a README somewhere.
> :-)
Yeah, will put it under tools/perf/Documentation/...
> > There are ioctl functions to control persistent events that can be
> > used to detach or attach an event to or from a process. The
> > PERF_EVENT_IOC_DETACH ioctl call makes an event persistent.
>
> Yeah, we probably want to abstract this a step further by allowing
> to attach/detach fds to/from events. Then "persistent" is only one
> incarnation of us always detaching from the event during its lifetime.
>
> If we close an event while it is attached, it gets destroyed - i.e.,
> current functionality, etc. See the other thread.
I don't know what you mean here exactly, please explain.
> But we probably need more input on this from people. Ingo, Peter?
Yes, that would be great.
Thanks,
-Robert
next prev parent reply other threads:[~2013-08-27 12:27 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-22 14:13 [PATCH v3 00/12] perf, persistent: Add persistent events Robert Richter
2013-08-22 14:13 ` [PATCH v3 01/12] perf, mmap: Factor out ring_buffer_detach_all() Robert Richter
2013-08-22 14:13 ` [PATCH v3 02/12] perf, mmap: Factor out try_get_event()/put_event() Robert Richter
2013-08-22 14:13 ` [PATCH v3 03/12] perf, mmap: Factor out perf_alloc/free_rb() Robert Richter
2013-08-22 14:13 ` [PATCH v3 04/12] perf, mmap: Factor out perf_get_fd() Robert Richter
2013-08-22 14:13 ` [PATCH v3 05/12] perf: Add persistent events Robert Richter
2013-08-22 14:13 ` [PATCH v3 06/12] mce, x86: Enable " Robert Richter
2013-08-22 14:13 ` [PATCH v3 07/12] perf, persistent: Implementing a persistent pmu Robert Richter
2013-08-22 14:13 ` [PATCH v3 08/12] perf, persistent: Exposing persistent events using sysfs Robert Richter
2013-08-22 18:00 ` Vince Weaver
2013-08-23 9:37 ` Robert Richter
2013-08-23 16:39 ` Vince Weaver
2013-08-27 11:16 ` Robert Richter
2013-08-22 14:13 ` [PATCH v3 09/12] perf, persistent: Use unique event ids Robert Richter
2013-08-22 14:13 ` [PATCH v3 10/12] perf, persistent: Implement reference counter for events Robert Richter
2013-08-22 14:13 ` [PATCH v3 11/12] perf, persistent: Dynamically resize list of sysfs entries Robert Richter
2013-08-22 14:13 ` [PATCH v3 12/12] [RFC] perf, persistent: ioctl functions to control persistency Robert Richter
2013-08-22 18:18 ` Vince Weaver
2013-08-23 9:11 ` Borislav Petkov
2013-08-23 9:45 ` Robert Richter
2013-08-23 10:44 ` Robert Richter
2013-08-23 11:34 ` Borislav Petkov
2013-08-23 17:07 ` Vince Weaver
2013-08-23 19:39 ` Borislav Petkov
2013-08-23 21:08 ` Vince Weaver
2013-08-23 21:09 ` Borislav Petkov
2013-08-27 11:54 ` Robert Richter
2013-08-27 12:22 ` Borislav Petkov
2013-08-27 12:41 ` Robert Richter
2013-08-27 12:48 ` Borislav Petkov
2013-08-23 10:07 ` Robert Richter
2013-08-27 12:17 ` Robert Richter
2013-08-24 9:38 ` [PATCH v3 00/12] perf, persistent: Add persistent events Borislav Petkov
2013-08-27 12:27 ` Robert Richter [this message]
2013-08-27 12:38 ` Borislav Petkov
2014-03-28 14:54 ` Jean Pihet
2014-03-29 9:42 ` Borislav Petkov
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