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From: Edward Tomasz Napierala <trasz@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
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Subject: PERFORCE change 187777 for review
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http://p4web.freebsd.org/@@187777?ac=10

Change 187777 by trasz@trasz_victim on 2011/01/13 21:11:37

	The "log" action needs to be rate-limited.

Affected files ...

.. //depot/projects/soc2009/trasz_limits/sys/kern/kern_rctl.c#3 edit

Differences ...

==== //depot/projects/soc2009/trasz_limits/sys/kern/kern_rctl.c#3 (text+ko) ====

@@ -186,6 +186,11 @@
 rctl_deferred_psignal(struct proc *p, int signum)
 {
 	int need_lock;
+	static int curtime = 0;
+	static struct timeval lasttime;
+
+	if (!ppsratecheck(&lasttime, &curtime, 10))
+		return;
 
 	/*
 	 * XXX: This is ugly.  Either turn it into a real taskqueue,