Messages in this thread |  | | | Subject | Re: [PATCH] procfs: provide slub's /proc/slabinfo | | From | Matt Mackall <> | | Date | Sun, 06 Jan 2008 11:51:50 -0600 |
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On Sat, 2008-01-05 at 18:21 +0200, Pekka J Enberg wrote: > Hi Matt, > > On Thu, 3 Jan 2008, Matt Mackall wrote: > > > SLUB can align these without a 2 byte > > > overhead. In some configurations this results in SLUB using even less > > > memory than SLOB. See f.e. Pekka's test at > > > http://marc.info/?l=linux-kernel&m=118405559214029&w=2 > > > > Available memory after boot is not a particularly stable measurement and > > not valid if there's memory pressure. At any rate, I wasn't able to > > reproduce this. > > So, I have this silly memory profiler derived from the kleak patches by > the relayfs people and would love to try it out on an embedded workload > where SLUB memory footprint is terrible. Any suggestions?
Or you could use this (which is a bit broken on modern kernels, but provides lots of interesting detail):
http://lwn.net/Articles/124374/
I don't have any particular "terrible" workloads for SLUB. But my attempts to simply boot with all three allocators to init=/bin/bash in, say, lguest show a fair margin for SLOB.
-- Mathematics is the supreme nostalgia of our time.
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