Author: mav Date: Fri Mar 27 09:01:25 2015 New Revision: 280751 URL: https://svnweb.freebsd.org/changeset/base/280751
Log: MFC r280286: Add comment explaining existing powerd behavior on SMP systems. Modified: stable/10/usr.sbin/powerd/powerd.c Directory Properties: stable/10/ (props changed) Modified: stable/10/usr.sbin/powerd/powerd.c ============================================================================== --- stable/10/usr.sbin/powerd/powerd.c Fri Mar 27 08:59:21 2015 (r280750) +++ stable/10/usr.sbin/powerd/powerd.c Fri Mar 27 09:01:25 2015 (r280751) @@ -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) { _______________________________________________ svn-src-stable-10@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-stable-10 To unsubscribe, send any mail to "svn-src-stable-10-unsubscr...@freebsd.org"