Messages in this thread | | | Date | Thu, 15 Jan 2004 01:12:24 +0100 | From | Haakon Riiser <> | Subject | Re: Busy-wait delay in qmail 1.03 after upgrading to Linux 2.6 |
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[Giuliano Pochini]
> On Wed, 14 Jan 2004, Haakon Riiser wrote: >> For example, another problem I encountered while >> upgrading to 2.6 was that disk intensive jobs, such as updating >> the slocate database, made ascpu report 100% CPU usage. I just >> ran top (procps 2.0.16) beside it, and it reported approximately >> 10% CPU usage, which is no more than 2.4 used. > > It makes sense, since HZ is 10 times higher in 2.6. Did you > recompile ascpu ? Check if ascpu assumes HZ is 100. In that > case it may overstimate the cpu time by a factor 10.
Just recompiled it, and it made no difference -- it still reports 100% CPU usage while doing disk I/O.
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