diff options
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/trace/trace.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index e521f1e8f2bb..9110329ecf77 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c | |||
@@ -658,12 +658,20 @@ void tracing_reset(struct trace_array *tr, int cpu) | |||
658 | 658 | ||
659 | void tracing_reset_online_cpus(struct trace_array *tr) | 659 | void tracing_reset_online_cpus(struct trace_array *tr) |
660 | { | 660 | { |
661 | struct ring_buffer *buffer = tr->buffer; | ||
661 | int cpu; | 662 | int cpu; |
662 | 663 | ||
664 | ring_buffer_record_disable(buffer); | ||
665 | |||
666 | /* Make sure all commits have finished */ | ||
667 | synchronize_sched(); | ||
668 | |||
663 | tr->time_start = ftrace_now(tr->cpu); | 669 | tr->time_start = ftrace_now(tr->cpu); |
664 | 670 | ||
665 | for_each_online_cpu(cpu) | 671 | for_each_online_cpu(cpu) |
666 | tracing_reset(tr, cpu); | 672 | tracing_reset(tr, cpu); |
673 | |||
674 | ring_buffer_record_enable(buffer); | ||
667 | } | 675 | } |
668 | 676 | ||
669 | void tracing_reset_current(int cpu) | 677 | void tracing_reset_current(int cpu) |