From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 10 Nov 2002 09:11:30 -0800 From: William Lee Irwin III Subject: Re: 2.5.46-mm2 Message-ID: <20021110171130.GJ23425@holomorphy.com> References: <3DCDD9AC.C3FB30D9@digeo.com> <20021110143208.GJ31134@suse.de> <20021110145203.GH23425@holomorphy.com> <20021110145757.GK31134@suse.de> <20021110150626.GI23425@holomorphy.com> <3DCE9034.6F833C31@digeo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3DCE9034.6F833C31@digeo.com> Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Jens Axboe , lkml , linux-mm@kvack.org List-ID: William Lee Irwin III wrote: >> Go for it, I'm just trying to get tiobench to actually run (seems to >> have new/different "die from too many threads" behavior wrt. --threads). >> Dropping me a fresh kernel shouldn't slow anything down. On Sun, Nov 10, 2002 at 08:58:28AM -0800, Andrew Morton wrote: > It could be the procps thing? `tiobench --threads 256' shows up as a > single process in top and ps due to the new thread consolidation feature. > If you run `ps auxm' or hit 'H' in top, all is revealed. Not my fave > feature that. Turns out monitoring things via /proc/ slowed it down by some ridiculous factor while it was trying to spawn threads. 9 hours became less than 1s when I stopped looking. On Sun, Nov 10, 2002 at 08:58:28AM -0800, Andrew Morton wrote: > BLKELVGET/SET was removed Okay, looks like there's an fs to use to get at it with. On Sun, Nov 10, 2002 at 08:58:28AM -0800, Andrew Morton wrote: >> P.P.S: kgdb broke wchan reporting... investigating On Sun, Nov 10, 2002 at 08:58:28AM -0800, Andrew Morton wrote: > ? The wchan reporting needs to get taught about kern_schedule() and user_schedule() so it can trim them off the stack, which consists of moving them between scheduling_functions_start_here() and scheduling_functions_end_here(). Bill -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/