Messages in this thread |  | | From | Lev Makhlis <> | Subject | Re: [despammed] Re: [RFC] [PATCH] [2.5.35] Run Queue Statistics | Date | Mon, 16 Sep 2002 23:20:58 -0400 |
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On Monday 16 September 2002 11:08 pm, Rik van Riel wrote: > On Tue, 17 Sep 2002, Anton Blanchard wrote: > > On a semi related note, vmstat wants to know the number of running, > > blocked and swapped processes. strace vmstat one day and you will see it > > currently opens /proc/*/stat (ie one open for each process) just to get > > these stats. Yet another place where the monitoring utilities disturb > > the system way too much. > > > > Can we get some things in /proc/stat to give us these numbers? Does > > "swapped" make any sense on Linux? > > Runnable can be done currently, blocked on IO is trivial once > Andrew has pushed the iowait stats to Linus. > > Swapped doesn't make any sense at the moment, but it should. > A system without load control is just too vulnerable to sudden > load spikes. If Andrew has interest I'll pick up the work I > did in that area ... > > I'll also update vmstat to just use /proc/stat instead of > looking at all /proc/*/stat files. > > cheers, > > Rik
Amusingly, the number of running processes can be found in /proc/loadavg, of all places, right now. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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