diff options
Diffstat (limited to 'kernel/trace/trace_clock.c')
| -rw-r--r-- | kernel/trace/trace_clock.c | 10 | 
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index aa8f5f48dae..26dc348332b 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -57,6 +57,16 @@ u64 notrace trace_clock(void)  	return local_clock();  } +/* + * trace_jiffy_clock(): Simply use jiffies as a clock counter. + */ +u64 notrace trace_clock_jiffies(void) +{ +	u64 jiffy = jiffies - INITIAL_JIFFIES; + +	/* Return nsecs */ +	return (u64)jiffies_to_usecs(jiffy) * 1000ULL; +}  /*   * trace_clock_global(): special globally coherent trace clock  |