On Mon, Sep 28, 2009 at 09:35:43AM -0400, Chris Mason wrote: > On Mon, Sep 28, 2009 at 02:18:27PM +0200, Tomasz Torcz wrote: > > > > Hi, > > > > I'm using btrfs as rootfs on my Fedora 12 (rawhide) test system. > > Every yum activity is very slow, like 15 minutes for installation of 11 > > packages 25MB in size. Kernel is 2.6.31.1-48.fc12.x86_64, btrfs-progs-0.19-7.fc12.x86_64. > > Hardware is pentium 4 3.0 GHz (Hyperthreading, 64 bit), with single IDE disk > > on Intel ICH controller. > > You're doing quite a lot of reads, and some writes. Could you please > capture the output of sysrq-w at 5s intervals during the upgrade? It got quite big (over 100 KiB, over 1 MiB after unpacking), so I put it at http://pipebreaker.pl/dump/sysrq-w_every_5_sec.txt.bz2 -- Tomasz Torcz Only gods can safely risk perfection, xmpp: zdzichubg@xxxxxxxxx it's a dangerous thing for a man. -- Alia -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
