Comment 108 for bug 620074
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#108 |
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4d1350f
(Get the code!)
Created attachment 19954
latencytop captures with clocksource jiffies and hpet
I was not able to execute the 2*bzip2 with jiffies any more. The system freezes for ever, while copying a file and ziping urandom. It happens in runlevel 1, 3 and 5, during cpu intensive tasks.
I have made an test with less cpu consumption. The test uses a script to have the same execution with different clocksources. It's copying a file and extract kernel source, build kernel and finally delete the kernel path. Concurrent the script started gimp, oowriter, firefox, htop, opens some web pages and a document.
Here the "Total:" time from the captures.
jiffies
min:0.1 ms|max:5442.1 ms|avg:213.2
hpet
min:0.0 ms|max:14777.7 ms|avg:403.71
The full capture without the escape sequences are added in the attachment. The escapes sequences are not correctly removed, but it's enough to see the necessary. I can provide the captures with the escape sequences too, if someone wants.