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Date:      Fri, 08 May 2015 00:20:36 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-bugs@FreeBSD.org
Subject:   [Bug 198149] [hwpmc] pmcstat -P -t (top mode, process sampling) stops after a while
Message-ID:  <bug-198149-8-vCExdRq7O6@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-198149-8@https.bugs.freebsd.org/bugzilla/>
References:  <bug-198149-8@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198149

--- Comment #13 from John Baldwin <jhb@FreeBSD.org> ---
Created attachment 156483
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=156483&action=edit
second_hack.patch

This prevents the PMC value from being saved as zero.  When it hits zero during
a switch out, this will now wrap back up to ask for a full batch of events
before the next interrupt.

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