diff options
Diffstat (limited to 'kernel/perf_counter.c')
| -rw-r--r-- | kernel/perf_counter.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index c10055416dea..2f410ea2cb39 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -2559,7 +2559,8 @@ void perf_counter_munmap(unsigned long addr, unsigned long len, } /* - * + * Log irq_period changes so that analyzing tools can re-normalize the + * event flow. */ static void perf_log_period(struct perf_counter *counter, u64 period) |