linux-kernel - [PATCH 5/8] perf x86: Adding hardware events translations for p6 cpus

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Date:	Wed, 10 Oct 2012 14:53:15 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>, Paul Mackerras <paulus@...ba.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: [PATCH 5/8] perf x86: Adding hardware events translations for p6 cpus

Adding support for 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: Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Ingo Molnar <mingo@...e.hu>
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>
---
 arch/x86/kernel/cpu/perf_event_p6.c | 2 ++
 include/linux/perf_event.h          | 1 +
 2 files changed, 3 insertions(+)

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)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 827c374..6e48be0 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -1419,6 +1419,7 @@ _name##_show(struct device *dev,					\
 static struct device_attribute format_attr_##_name = __ATTR_RO(_name)
 
 ssize_t x86_event_sysfs_show(char *page, u64 config, u64 event);
+ssize_t intel_event_sysfs_show(char *page, u64 config);
 
 #endif /* __KERNEL__ */
 #endif /* _LINUX_PERF_EVENT_H */
-- 
1.7.11.4

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