Re: [PATCH] oom_kill: use rss value instead of vm size for badness
From: KOSAKI Motohiro
Date: Mon Nov 02 2009 - 07:36:05 EST
>> Hi David,
>> I'm very interesting your pointing out. thanks good testing.
>> So, I'd like to clarify your point a bit.
>> following are badness list on my desktop environment (x86_64 6GB mem).
>> it show Xorg have pretty small badness score. Do you know why such
>> different happen?
> I don't know specifically what's different on your machine than Vedran's,
> my data is simply a collection of the /proc/sys/vm/oom_dump_tasks output
> from Vedran's oom log.
> I guess we could add a call to badness() for the oom_dump_tasks tasklist
> dump to get a clearer picture so we know the score for each thread group
> leader. Anything else would be speculation at this point, though.
>> score pid comm
>> 56382 3241 run-mozilla.sh
>> 23345 3289 run-mozilla.sh
>> 21461 3050 gnome-do
>> 20079 2867 gnome-session
>> 14016 3258 firefox
>> 9212 3306 firefox
>> 8468 3115 gnome-do
>> 6902 3325 emacs
>> 6783 3212 tomboy
>> 4865 2968 python
>> 4861 2948 nautilus
>> 4221 1 init
>> (snip about 100line)
>> 548 2590 Xorg
> Are these scores with your rss patch or without? If it's without the
> patch, this is understandable since Xorg didn't appear highly in Vedran's
> log either.
Oh, I'm sorry. I mesured with rss patch.
Then, I haven't understand what makes Xorg bad score.
Vedran, Can you please post following command result?
# cat /proc/`pidof Xorg`/smaps
I hope to undestand the issue clearly before modify any code.
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/