Messages in this thread | | | Date | Tue, 29 Mar 2011 11:26:00 +0400 | Subject | Re: Very aggressive memory reclaim | From | John Lepikhin <> |
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2011/3/29 Dave Chinner <david@fromorbit.com>:
> First it would be useful to determine why the VM is reclaiming so > much memory. If it is somewhat predictable when the excessive > reclaim is going to happen, it might be worth capturing an event > trace from the VM so we can see more precisely what it is doiing > during this event. In that case, recording the kmem/* and vmscan/* > events is probably sufficient to tell us what memory allocations > triggered reclaim and how much reclaim was done on each event.
Do you mean I must add some debug to mm functions? I don't know any other way to catch such events.
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