[haiku-bugs] [Haiku] #11685: CPU load spikes affecting performance introduced in hrev46690
- From: "jstressman" <trac@xxxxxxxxxxxx>
- Date: Thu, 01 Jan 2015 23:59:24 -0000
#11685: CPU load spikes affecting performance introduced in hrev46690
------------------------+------------------------------
Reporter: jstressman | Owner: nobody
Type: bug | Status: new
Priority: normal | Milestone: R1
Component: - General | Version: R1/Development
Keywords: | Blocked By:
Blocking: | Has a Patch: 0
Platform: All |
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Up to and including hrev46689 my system would idle at almost flatline.
Between 0 and 2% or so on any core. But starting with Pawel's changes in
hrev46690 my CPUs will randomly spike to almost full load every few
seconds, for anywhere from a fraction of a second to a couple seconds,
during which time the system basically partially freezes. You can usually
move the mouse, but the menus are frozen, displays like the
ActivityMonitor freeze and then jump ahead when it unfreezes (which you'll
see as the jagged sawtooth pattern on the screenshot).
I'd noticed this a few days ago when I finally updated my system from
hrev46677, which was the last normal nightly release that worked for me.
While trying to track down another boot problem that was introduced
between that and the next nightly, I noticed that this issue was
introduced in the same revision.
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Ticket URL: <https://dev.haiku-os.org/ticket/11685>
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