diff options
| author | Martin Pieuchot <mpi@cvs.openbsd.org> | 2013-02-11 17:05:26 +0000 |
|---|---|---|
| committer | Martin Pieuchot <mpi@cvs.openbsd.org> | 2013-02-11 17:05:26 +0000 |
| commit | 0bc83736ede1f82c457e48727982eae123b2a215 (patch) | |
| tree | f169dcb391924b9a9743965a7212c6aac4e50a60 /sys/arch/arm | |
| parent | a9adb71cfc4f8563cec7231e996164c74b19585c (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/arm')
| -rw-r--r-- | sys/arch/arm/include/cpu.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/arch/arm/include/cpu.h b/sys/arch/arm/include/cpu.h index 155a2a2a57e..c82ce63009d 100644 --- a/sys/arch/arm/include/cpu.h +++ b/sys/arch/arm/include/cpu.h @@ -1,4 +1,4 @@ -/* $OpenBSD: cpu.h,v 1.31 2012/12/02 07:03:31 guenther Exp $ */ +/* $OpenBSD: cpu.h,v 1.32 2013/02/11 17:05:25 mpi Exp $ */ /* $NetBSD: cpu.h,v 1.34 2003/06/23 11:01:08 martin Exp $ */ /* @@ -198,6 +198,9 @@ struct cpu_info { uint32_t ci_cpl; uint32_t ci_ipending; +#ifdef GPROF + struct gmonparam *ci_gmon; +#endif }; #ifndef MULTIPROCESSOR |