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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-03-19 20:26:17 +0100
committerIngo Molnar <mingo@elte.hu>2009-04-06 09:30:16 +0200
commite077df4f439681e43f0db8255b2d215b342ebdc6 (patch)
tree2deebf630405b09cee8d43056ecd110f4bb0fb70 /init
parentf16009527595ee562308653bc3d0039166d2ab15 (diff)
downloadlinux-e077df4f439681e43f0db8255b2d215b342ebdc6.tar.gz
perf_counter: hook up the tracepoint events
Impact: new perfcounters feature

Enable usage of tracepoints as perf counter events.

tracepoint event ids can be found in /debug/tracing/event/*/*/id
and (for now) are represented as -65536+id in the type field.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Orig-LKML-Reference: <20090319194233.744044174@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig5
1 files changed, 5 insertions, 0 deletions
diff --git a/init/Kconfig b/init/Kconfig
index 38a2ecd47c37..4f647142f2e6 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -947,6 +947,11 @@ config PERF_COUNTERS
 
 	  Say Y if unsure.
 
+config EVENT_PROFILE
+	bool "Tracepoint profile sources"
+	depends on PERF_COUNTERS && EVENT_TRACER
+	default y
+
 endmenu
 
 config VM_EVENT_COUNTERS