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authorIngo Molnar <mingo@elte.hu>2009-11-23 10:19:20 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-23 10:19:20 +0100
commit6e3d8330ae2c4b2c11a9577a0130d2ecda1c610d (patch)
tree4d360eaa3e9cefc16081f3853b5fa02996b9caf4 /kernel/Makefile
parentbfd451184d80301d1ae970b1ebffde1e9c6240f9 (diff)
perf events: Do not generate function trace entries in perf code
Decreases perf overhead when function tracing is enabled, by about 50%. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/Makefile')
-rw-r--r--kernel/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index 17b575ec7d07..6b7ce8173dfd 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -21,6 +21,7 @@ CFLAGS_REMOVE_mutex-debug.o = -pg
CFLAGS_REMOVE_rtmutex-debug.o = -pg
CFLAGS_REMOVE_cgroup-debug.o = -pg
CFLAGS_REMOVE_sched_clock.o = -pg
+CFLAGS_REMOVE_perf_event.o = -pg
endif
obj-$(CONFIG_FREEZER) += freezer.o

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