From: Stephane Eranian <eranian@googlemail.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@elte.hu, paulus@samba.org, a.p.zijlstra@chello.nl,
perfmon2-devel@lists.sf.net, Stephane Eranian <eranian@gmail.com>
Subject: [PATCH 0/2] perf_events: correct event assignments on Intel processors
Date: Tue, 6 Oct 2009 16:42:07 +0200 [thread overview]
Message-ID: <1254840129-6198-1-git-send-email-eranian@gmail.com> (raw)
In-Reply-To: <>
This series of patches corrects the assignment of events to counters
for the Intel X86 processors.
Not all events can be measured on any counter. Not all filters can
be used on fixed counters.
The current implementation silently returns bogus counts in case the
event is programmed into the wrong counter.
Signed-off-by: Stephane Eranian <eranian@gmail.com>
---
arch/x86/include/asm/perf_event.h | 11 ++++
arch/x86/kernel/cpu/perf_event.c | 112 +++++++++++++++++++++++++++++++++++-
2 files changed, 119 insertions(+), 4 deletions(-)
next reply other threads:[~2009-10-06 14:43 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-06 14:42 Stephane Eranian [this message]
2009-10-06 14:42 ` [PATCH 1/2] perf_events: check for filters on fixed counter events Stephane Eranian
2009-10-06 14:42 ` [PATCH 2/2] perf_events: add event constraints support for Intel processors Stephane Eranian
2009-10-06 16:29 ` Peter Zijlstra
2009-10-06 17:26 ` stephane eranian
2009-10-06 18:57 ` [perfmon2] " Vince Weaver
2009-10-07 10:31 ` Peter Zijlstra
2009-10-07 11:15 ` Paul Mackerras
2009-10-07 12:31 ` stephane eranian
2009-10-07 20:46 ` David Miller
2009-10-07 21:30 ` stephane eranian
2009-10-08 20:08 ` Ingo Molnar
2009-10-08 20:28 ` stephane eranian
2009-10-12 9:05 ` Ingo Molnar
2009-10-13 7:17 ` stephane eranian
2009-10-13 7:29 ` Ingo Molnar
2009-10-08 23:18 ` Paul Mackerras
2009-10-09 14:22 ` [tip:perf/core] perf, x86: Add simple group validation tip-bot for Peter Zijlstra
2009-10-09 13:55 ` [PATCH 2/2] perf_events: add event constraints support for Intel processors Ingo Molnar
2009-10-09 14:22 ` [tip:perf/core] perf_events: Add " tip-bot for Stephane Eranian
2009-10-09 14:22 ` [tip:perf/core] perf_events: Check for filters on fixed counter events tip-bot for Stephane Eranian
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