linux-kernel - [tip:perf/core] perf/x86: Add hardware events translations for Intel P6 cpus

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Message-ID: <tip-20550a434583c78f8ff9a2819639e2bacbe58574@git.kernel.org>
Date:	Wed, 24 Oct 2012 03:06:34 -0700
From:	tip-bot for Jiri Olsa <jolsa@...hat.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, eranian@...gle.com, paulus@...ba.org,
	hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
	acme@...stprotocols.net, jolsa@...hat.com, fweisbec@...il.com,
	vincent.weaver@...ne.edu, tglx@...utronix.de,
	cjashfor@...ux.vnet.ibm.com
Subject: [tip:perf/core] perf/x86:
  Add hardware events translations for Intel P6 cpus

Commit-ID:  20550a434583c78f8ff9a2819639e2bacbe58574
Gitweb:     http://git.kernel.org/tip/20550a434583c78f8ff9a2819639e2bacbe58574
Author:     Jiri Olsa <jolsa@...hat.com>
AuthorDate: Wed, 10 Oct 2012 14:53:15 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Wed, 24 Oct 2012 10:41:25 +0200

perf/x86: Add hardware events translations for Intel P6 cpus

Add support for Intel P6 processors to display 'events' sysfs
directory (/sys/devices/cpu/events/) with hw event translations:

  # ls /sys/devices/cpu/events/
  branch-instructions
  branch-misses
  bus-cycles
  cache-misses
  cache-references
  cpu-cycles
  instructions
  ref-cycles
  stalled-cycles-backend
  stalled-cycles-frontend

Suggested-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Signed-off-by: Jiri Olsa <jolsa@...hat.com>
Cc: Vince Weaver <vincent.weaver@...ne.edu>
Cc: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Stephane Eranian <eranian@...gle.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/r/1349873598-12583-6-git-send-email-jolsa@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 arch/x86/kernel/cpu/perf_event.h    |    1 +
 arch/x86/kernel/cpu/perf_event_p6.c |    2 ++
 2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/perf_event.h b/arch/x86/kernel/cpu/perf_event.h
index 21419b9..115c1ea 100644
--- a/arch/x86/kernel/cpu/perf_event.h
+++ b/arch/x86/kernel/cpu/perf_event.h
@@ -539,6 +539,7 @@ static inline void set_linear_ip(struct pt_regs *regs, unsigned long ip)
 }
 
 ssize_t x86_event_sysfs_show(char *page, u64 config, u64 event);
+ssize_t intel_event_sysfs_show(char *page, u64 config);
 
 #ifdef CONFIG_CPU_SUP_AMD
 
diff --git a/arch/x86/kernel/cpu/perf_event_p6.c b/arch/x86/kernel/cpu/perf_event_p6.c
index e4dd0f7..900b76b 100644
--- a/arch/x86/kernel/cpu/perf_event_p6.c
+++ b/arch/x86/kernel/cpu/perf_event_p6.c
@@ -134,6 +134,8 @@ static __initconst const struct x86_pmu p6_pmu = {
 	.event_constraints	= p6_event_constraints,
 
 	.format_attrs		= intel_p6_formats_attr,
+	.events_sysfs_show	= intel_event_sysfs_show,
+
 };
 
 __init int p6_pmu_init(void)
--
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