aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/trace/trace_clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace_clock.c')
-rw-r--r--kernel/trace/trace_clock.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 9d589d8dcd1a..685a67d55db0 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c
@@ -32,16 +32,15 @@
32u64 notrace trace_clock_local(void) 32u64 notrace trace_clock_local(void)
33{ 33{
34 u64 clock; 34 u64 clock;
35 int resched;
36 35
37 /* 36 /*
38 * sched_clock() is an architecture implemented, fast, scalable, 37 * sched_clock() is an architecture implemented, fast, scalable,
39 * lockless clock. It is not guaranteed to be coherent across 38 * lockless clock. It is not guaranteed to be coherent across
40 * CPUs, nor across CPU idle events. 39 * CPUs, nor across CPU idle events.
41 */ 40 */
42 resched = ftrace_preempt_disable(); 41 preempt_disable_notrace();
43 clock = sched_clock(); 42 clock = sched_clock();
44 ftrace_preempt_enable(resched); 43 preempt_enable_notrace();
45 44
46 return clock; 45 return clock;
47} 46}
@@ -56,7 +55,7 @@ u64 notrace trace_clock_local(void)
56 */ 55 */
57u64 notrace trace_clock(void) 56u64 notrace trace_clock(void)
58{ 57{
59 return cpu_clock(raw_smp_processor_id()); 58 return local_clock();
60} 59}
61 60
62 61