Nick Piggin wrote:
: Can't see anything yet. Sysrq-M would be good. cat /proc/zoneinfo gets you
: most of the way there though.
:
: A couple of samples would be handy, especially from /proc/vmstat.
:
: cat /proc/vmstat > vmstat.out ; sleep 10 ; cat /proc/vmstat >> vmstat.out
:
: The same for /proc/zoneinfo would be a good idea as well.
I will send it tomorrow - I will try to boot 2.6.15-rc2
to see if the problem is still there.
: Also - when you say "too much cpu time", what does this mean? Does
: performance noticably drop compared with 2.6.13 performing the same cron
: job? Because kswapd is supposed to unburden other processes from page
: reclaim work, so if it is working *properly*, then the more CPU it uses
: the better.
As you can see from the graphs at
http://www.linux.cz/stats/mrtg-rrd/cpu.html
- the total CPU usage in the new kernel/with more memory is significantly
higher. I have not measured the time of the cron job itself, just the total
system utilization.
-Yenya
--
| Jan "Yenya" Kasprzak <kas at {fi.muni.cz - work | yenya.net - private}> |
| GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
| http://www.fi.muni.cz/~kas/ Journal: http://www.fi.muni.cz/~kas/blog/ |
> Specs are a basis for _talking_about_ things. But they are _not_ a basis <
> for implementing software. --Linus Torvalds <
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