diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-05-12 15:21:14 -0400 |
---|---|---|
committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-25 10:02:23 -0400 |
commit | c6531cce6e6e4b99bcda46b6268d6f2d9e30aea4 (patch) | |
tree | 89d2d4d91dc9223daac91bec7970beaab2ebc1b1 /kernel | |
parent | 677aa9f77e8de3791b481a0cec6c8b84d1eec626 (diff) |
sched: do not trace sched_clock
The tracer uses sched_clock, so do not trace it.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/sched.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c index e2e985eeee78..6590a828138f 100644 --- a/kernel/sched.c +++ b/kernel/sched.c | |||
@@ -884,12 +884,12 @@ static unsigned long long __cpu_clock(int cpu) | |||
884 | * For kernel-internal use: high-speed (but slightly incorrect) per-cpu | 884 | * For kernel-internal use: high-speed (but slightly incorrect) per-cpu |
885 | * clock constructed from sched_clock(): | 885 | * clock constructed from sched_clock(): |
886 | */ | 886 | */ |
887 | unsigned long long cpu_clock(int cpu) | 887 | unsigned long long notrace cpu_clock(int cpu) |
888 | { | 888 | { |
889 | unsigned long long prev_cpu_time, time, delta_time; | 889 | unsigned long long prev_cpu_time, time, delta_time; |
890 | unsigned long flags; | 890 | unsigned long flags; |
891 | 891 | ||
892 | local_irq_save(flags); | 892 | raw_local_irq_save(flags); |
893 | prev_cpu_time = per_cpu(prev_cpu_time, cpu); | 893 | prev_cpu_time = per_cpu(prev_cpu_time, cpu); |
894 | time = __cpu_clock(cpu) + per_cpu(time_offset, cpu); | 894 | time = __cpu_clock(cpu) + per_cpu(time_offset, cpu); |
895 | delta_time = time-prev_cpu_time; | 895 | delta_time = time-prev_cpu_time; |
@@ -898,7 +898,7 @@ unsigned long long cpu_clock(int cpu) | |||
898 | time = __sync_cpu_clock(time, cpu); | 898 | time = __sync_cpu_clock(time, cpu); |
899 | per_cpu(prev_cpu_time, cpu) = time; | 899 | per_cpu(prev_cpu_time, cpu) = time; |
900 | } | 900 | } |
901 | local_irq_restore(flags); | 901 | raw_local_irq_restore(flags); |
902 | 902 | ||
903 | return time; | 903 | return time; |
904 | } | 904 | } |