Re: ps performance sucks (was Re: dcache_rcu [performance results])

bert hubert (ahu@ds9a.nl)
Wed, 6 Nov 2002 00:16:49 +0100


On Tue, Nov 05, 2002 at 04:06:21PM -0800, Martin J. Bligh wrote:

> The locking of walking the tasklist seems non-trivial, but we may well
> end up with something like that. By the time you finish, it looks more
> like a /dev device thing than /proc (which I'm fine with), and looks

Can people just oprofile this instead of guessing? Opening a file is not
very expensive anymore, so if ps is noticeably slow, it must be something
else.

'To measure is to know'

Regards,

bert

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