From: ludovic fernandez <ludovic.fernandez@sun.com>
To: Andi Kleen <ak@muc.de>
Cc: Linux MM mailing list <linux-mm@kvack.org>
Subject: Re: PATCH: vm/kswapd in linux-2.4.0-test2
Date: Wed, 05 Jul 2000 19:57:47 -0700 [thread overview]
Message-ID: <3963F5AB.AE456258@sun.com> (raw)
In-Reply-To: 20000705225334.A6893@fred.muc.de
Hello Andi,
Thanks for trying this patch....but I still believe it needs some tunings.
I will be really interested to get some stats. Could you send me the
report logged by Alt-SysReq-M after some [normal] swap utilization ?
Also, adding your cpu and hard drive type would help a lot (this way
I can have an idea about the ratio between the memory/cpu access
and the I/O throughput).
Since I'm asking for something, I believe it's fair to do the same.
Here is what I got after a working day using this patch.
CPU: AMD k6 3D 550Mhz (1097 bogomips)
HD: IDE WDC ATA66
SysRq: Show Memory
Mem-info:
Free pages: 3116kB ( 0kB HighMem)
( Free: 779, lru_cache: 14837 (239 478 717 956) )
DMA: 119*4kB 22*8kB 1*16kB 1*32kB 3*64kB 0*128kB 0*256kB 0*512kB 0*1024kB
0*2048kB = 892kB)
Normal: 24*4kB 18*8kB 22*16kB 1*32kB 1*64kB 2*128kB 3*256kB 1*512kB 0*1024kB
0*2048kB = 2224kB)
HighMem: = 0kB)
Swap cache: add 59950 [32651-27299], del 57064, find 134795/143195 [4413] 94%
kswapd: total 73264 overload 0 out of sync 0
kswapd: wakeup 649 [g 40857 y 11 o 2 r 0] free 22767 io 4579
kswapd: aged pages 5516 dirty pages 12
Free swap: 202316kB
30704 pages of RAM
0 pages of HIGHMEM
1089 reserved pages
19835 pages shared
2886 pages swap cached
0 pages in page table cache
Buffer memory: 2412kB
Thanks !
Ludo.
Andi Kleen wrote:
> On Wed, Jul 05, 2000 at 01:59:59AM +0200, ludovic fernandez wrote:
> > Hello guys,
> >
> > I'd like to submit a patch against linux-2.4.0-test2 regarding
> > the vm/kswapd. The patch is attached to this email. Sorry I don't
> > have access to a web or ftp server where I can put it.
>
> [...]
>
> Nice work. As a datapoint it runs fine on my UP machine with various loads
> and feels ``snappy''.
>
> -Andi
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prev parent reply other threads:[~2000-07-06 2:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-07-05 0:02 PATCH: vm/kswapd in linux-2.4.0-test2 ludovic fernandez
2000-07-05 20:53 ` Andi Kleen
2000-07-06 2:57 ` ludovic fernandez [this message]
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