Thread (65 messages) 65 messages, 13 authors, 2012-12-19

Re: kswapd craziness in 3.7

From: Bruno Wolff III <hidden>
Date: 2012-12-06 17:39:11
Also in: lkml

On Tue, Dec 04, 2012 at 21:01:33 -0600,
   Bruno Wolff III [off-list ref] wrote:
On Tue, Dec 04, 2012 at 16:42:10 -0500,
 Johannes Weiner [off-list ref] wrote:
quoted
kernel-3.7.0-0.rc7.git1.2.van.main.knurd.kswap.4.fc18.i686
and
kernel-3.7.0-0.rc7.git1.2.van.main.knurd.kswap.4.fc18.x86_64
for over 24hours with no evidence of problems with kswapd"

Now waiting for results from Jiri, Zdenek and Bruno...
I have been running 
3.7.0-0.rc7.git1.2.van.main.knurd.kswap.4.fc18.i686.PAE a bit over 23 
hours and kswapd has accumalated one minute 8 seconds of CPU time. I 
did several yum operations during that time and didn't see kswapd 
spike to 90+% CPU usage as I had seen in the past. With some kernels 
I wasn't reliably triggering the kswapd issue, so it may not be long 
enough to know for sure that the problem is fixed.
I am now at a bit over 2 and 1/2 days with kswapd having used 1 minute 
53 seconds of CPU time.

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