From: Stephen Hemminger <shemminger@xxxxxxxxxx> Date: Fri, 10 Apr 2009 09:52:46 -0700 [ CC:'ing netfilter-devel and netdev... ] > On Fri, 10 Apr 2009 17:15:52 +0800 (SGT) > Jeff Chua <jeff.chua.linux@xxxxxxxxx> wrote: > >> >> >> Adding 200 records in iptables took 6.0sec in 2.6.30-rc1 compared to >> 0.2sec in 2.6.29. I've bisected down this commit. >> >> There are a few patches on top of the original patch. When I reverted the >> original commit + changing rcu_read() to rcu_read_bh(), it speeds up the >> inserts back to .2sec again. >> >> I'm loading all the firewall rules during boot-up and this 6 secs slowness >> is really not very nice to wait for. > > The performance benefit during operation is more important. The load > time is fixable. The problem is probably generic to any set of rules, > but could you post some info about your configuration (like the rule > set), and the system configuration (# of cpu's, config etc). > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
