Messages in this thread | | | Subject | Re: [Patch 6/7] Swapin page fault delays | From | Arjan van de Ven <> | Date | Mon, 27 Feb 2006 09:30:29 +0100 |
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On Mon, 2006-02-27 at 03:22 -0500, Shailabh Nagar wrote: > delayacct-swapin.patch > > Record time spent by a task waiting for its pages to be swapped in. > This statistic can help in adjusting the rss limits of > tasks (process), especially relative to each other, when the system is > under memory pressure.
ok this poses a question: how do you deal with nested timings? Say an O_SYC write which internally causes a pagefault? delayacct_timestamp_start() at minimum has to get event-type specific, or even implement a stack of some sorts.
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