* [RFC][PATCH v1 09/15] perf: export tracepoint events via sysfs: mce
@ 2010-07-22 11:16 Lin Ming
0 siblings, 0 replies; only message in thread
From: Lin Ming @ 2010-07-22 11:16 UTC (permalink / raw)
To: Ingo Molnar, Hidetoshi Seto, Huang Ying, Andi Kleen
Cc: Robert Richter, Corey Ashford, Johannes Berg, Peter Zijlstra,
Greg KH, Frederic Weisbecker, Paul Mundt, eranian,
Gary.Mohr@Bull.com, arjan, Zhang, Yanmin, Paul Mackerras,
David S. Miller, Russell King, Arnaldo Carvalho de Melo,
Will Deacon, Maynard Johnson, Carl Love, Kay Sievers, lkml,
Thomas Gleixner, Steven Rostedt
mce tracepoint events are exported like below,
/sys/devices/system/machinecheck/machinecheck0/events/
`-- mce_record
|-- config
`-- type
/sys/devices/system/machinecheck/machinecheck1/events/
`-- mce_record
|-- config
`-- type
---
arch/x86/kernel/cpu/mcheck/mce.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 7a6f81e..eb6e127 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1971,6 +1971,8 @@ static __cpuinit int mce_create_device(unsigned int cpu)
if (err)
return err;
+ perf_sys_add_tp(&per_cpu(mce_dev, cpu).kobj, "mce");
+
for (i = 0; mce_attrs[i]; i++) {
err = sysdev_create_file(&per_cpu(mce_dev, cpu), mce_attrs[i]);
if (err)
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2010-07-22 11:16 [RFC][PATCH v1 09/15] perf: export tracepoint events via sysfs: mce Lin Ming
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