From 777570d4c1f582b14dda52ffc226b20fb4346940 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 3 Jun 2010 14:08:44 +0200
Subject: daemon: bump up timer slack, our timers don't need to be on time

---
 rtkit-daemon.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/rtkit-daemon.c b/rtkit-daemon.c
index 154889a..01c8bc6 100644
--- a/rtkit-daemon.c
+++ b/rtkit-daemon.c
@@ -2286,6 +2286,7 @@ int main(int argc, char *argv[]) {
         DBusConnection *bus = NULL;
         int ret = 1;
         struct rtkit_user *u;
+        unsigned long slack_ns;
 
         if (parse_command_line(argc, argv, &ret) <= 0)
                 goto finish;
@@ -2299,6 +2300,12 @@ int main(int argc, char *argv[]) {
                 LOG_NDELAY|LOG_PID|(log_stderr ? LOG_PERROR : 0),
                 LOG_DAEMON);
 
+        /* Raise our timer slack, we don't really need to be woken up
+         * on time. */
+        slack_ns = (((unsigned long) canary_watchdog_msec - (unsigned long) canary_cheep_msec) / 2UL) * 1000000UL;
+        if (prctl(PR_SET_TIMERSLACK, slack_ns) < 0)
+                syslog(LOG_WARNING, "PRT_SET_TIMERSLACK failed: %s\n", strerror(errno));
+
         self_drop_realtime(our_nice_level);
 
         if (setup_dbus(&bus) < 0)
-- 
cgit