Re: Reading /proc/stat is slooow

From: Andreas Schwab <>
Date: 2005-12-06 10:36:20
"Luck, Tony" <> writes:

> How slow is sloow?

About 20 miliseconds, ten times of what I see with 2.6.13.  It appears to
be that the generation of /proc/stat doesn't scale well any more with the
number of configured CPUs (CONFIG_NR_CPUS is 512 here).  Processes that
monitor /proc/stat add a significant amount of load to the system.


Andreas Schwab, SuSE Labs,
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
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Received on Tue Dec 06 10:36:54 2005

This archive was generated by hypermail 2.1.8 : 2005-12-06 10:37:01 EST