Messages in this thread |  | | Date | Sat, 1 Jan 2000 00:13:12 +0000 | From | Pavel Machek <> | Subject | Re: PROPOSAL: dot-proc interface [was: /proc stuff] |
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Hi!
> > > > It eats CPU, it's error-prone, and all in all it's just "wrong". > > > > > > How much of your CPU time is spent parsing /proc files? > > > > 30% of 486 if you run top... That's way too much and top is unusable > > on slower machines. > > "Not fast enough for showing processes" sounds wery wrong. > > Is this time actually spent parsing ascii, or is it procfs > walking all the page tables of all processes ? ;)
About 1:1, probably. Readdir of /proc and open/read/parse/close is pretty expensive. Pavel -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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