From: Andi Kleen <andi@firstfloor.org>
To: Ulrich Drepper <drepper@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>, Andi Kleen <andi@firstfloor.org>,
acme@redhat.com, a.p.zijlstra@chello.nl, mingo@elte.hu,
paulus@samba.org, cjashfor@linux.vnet.ibm.com,
fweisbec@gmail.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de
Subject: Re: [RFCv2 0/8] perf tool: Add new event group management
Date: Sun, 27 May 2012 17:08:41 +0200 [thread overview]
Message-ID: <20120527150841.GO27374@one.firstfloor.org> (raw)
In-Reply-To: <CAOPLpQfveNoXkorqfk=zSp72-YXskxtDebJqhGarngaJY89Rmg@mail.gmail.com>
> same counters over and over again (e.g., cycle count, instruction
> count, etc). Therefore it is important to recognize when two groups
These two are luckily fixed counters, so always available
(at least as long as you disable the nmi watchdog)
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2012-05-27 15:08 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-04 21:16 [RFCv2 0/8] perf tool: Add new event group management Jiri Olsa
2012-04-04 21:16 ` [PATCH 1/8] perf, tool: Add support to parse event group syntax Jiri Olsa
2012-04-04 21:16 ` [PATCH 2/8] perf, tool: Enable grouping logic for parsed events Jiri Olsa
2012-04-04 21:16 ` [PATCH 3/8] perf: Add PERF_EVENT_IOC_ID ioctl to return event ID Jiri Olsa
2012-04-04 21:16 ` [PATCH 4/8] perf, tool: Use PERF_EVENT_IOC_ID perf ioctl to read event id Jiri Olsa
2012-04-04 21:16 ` [PATCH 5/8] perf, tool: Separate 'mem:' event scanner bits Jiri Olsa
2012-04-11 13:28 ` Robert Richter
2012-04-11 14:33 ` Jiri Olsa
2012-04-13 17:02 ` Robert Richter
2012-04-04 21:16 ` [PATCH 6/8] perf, tool: Add modifier support to group event syntax Jiri Olsa
2012-04-04 21:16 ` [PATCH 7/8] perf, tool: Add support for parsing PERF_SAMPLE_READ Jiri Olsa
2012-04-04 21:16 ` [PATCH 8/8] perf, tool: Enable sampling on specified event group leader Jiri Olsa
2012-04-04 21:21 ` [RFCv2 0/8] perf tool: Add new event group management Jiri Olsa
2012-04-15 15:16 ` Peter Zijlstra
2012-04-16 12:16 ` Jiri Olsa
2012-04-16 14:23 ` Peter Zijlstra
2012-04-16 15:26 ` Peter Zijlstra
2012-04-16 15:37 ` Jiri Olsa
2012-04-17 2:16 ` Namhyung Kim
2012-04-17 9:09 ` Namhyung Kim
2012-04-17 9:33 ` Jiri Olsa
2012-05-25 22:36 ` Andi Kleen
2012-05-26 12:38 ` Jiri Olsa
2012-05-26 19:23 ` Andi Kleen
2012-05-27 7:56 ` Ulrich Drepper
2012-05-27 15:08 ` Andi Kleen [this message]
2012-05-28 19:21 ` Jiri Olsa
2012-05-29 8:39 ` Peter Zijlstra
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