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authorMartin Pieuchot <mpi@cvs.openbsd.org>2013-02-11 17:05:26 +0000
committerMartin Pieuchot <mpi@cvs.openbsd.org>2013-02-11 17:05:26 +0000
commit0bc83736ede1f82c457e48727982eae123b2a215 (patch)
treef169dcb391924b9a9743965a7212c6aac4e50a60 /sys/arch/i386
parenta9adb71cfc4f8563cec7231e996164c74b19585c (diff)
Fix kernel profiling on MP systems by using per-CPU buffer. Previously
various CPUs were iterating over the same global buffer at the same time to modify it and never ended. This diff includes some ideas submited by Thor Simon to NetBSD via miod@. ok mikeb@, haesbaert@
Diffstat (limited to 'sys/arch/i386')
-rw-r--r--sys/arch/i386/include/cpu.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arch/i386/include/cpu.h b/sys/arch/i386/include/cpu.h
index a822caa3fc5..d68a669ac4e 100644
--- a/sys/arch/i386/include/cpu.h
+++ b/sys/arch/i386/include/cpu.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: cpu.h,v 1.125 2012/12/02 07:03:31 guenther Exp $ */
+/* $OpenBSD: cpu.h,v 1.126 2013/02/11 17:05:25 mpi Exp $ */
/* $NetBSD: cpu.h,v 1.35 1996/05/05 19:29:26 christos Exp $ */
/*-
@@ -148,6 +148,9 @@ struct cpu_info {
struct ksensordev ci_sensordev;
struct ksensor ci_sensor;
+#ifdef GPROF
+ struct gmonparam *ci_gmon;
+#endif
};
/*