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Diffstat (limited to 'usr.sbin/powerd/powerd.c')
-rw-r--r-- | usr.sbin/powerd/powerd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/usr.sbin/powerd/powerd.c b/usr.sbin/powerd/powerd.c index 3f628f6..367a31f 100644 --- a/usr.sbin/powerd/powerd.c +++ b/usr.sbin/powerd/powerd.c @@ -127,6 +127,12 @@ static int devd_pipe = -1; #define DEVD_RETRY_INTERVAL 60 /* seconds */ static struct timeval tried_devd; +/* + * This function returns summary load of all CPUs. It was made so + * intentionally to not reduce performance in scenarios when several + * threads are processing requests as a pipeline -- running one at + * a time on different CPUs and waiting for each other. + */ static int read_usage_times(int *load) { |