Memory usage measurement
Erik Christiansen
dvalin at internode.on.net
Tue Dec 9 07:50:19 UTC 2008
On Mon, Dec 08, 2008 at 02:49:13PM -0500, Rashkae wrote:
> I'm trying, unsuccessfully,. to find a utility that will display the
> memory allocated, not including cache and buffers.
>
> The closes I could come is with the free command. I can add the -/+
> buffers/cache and Swap used column, which should be fairly close.
> However, those numbers will contain 'clean' pages that exist both in
> physical ram as well as used swap space.
A little awking might be needed for such specific requirements?
Here we have "Dirty" and "Writeback", at least. Can you deduce "clean"
from that? Is inactive "clean", or a subset thereof?
$ more /proc/meminfo
MemTotal: 251928 kB
MemFree: 5176 kB
Buffers: 10408 kB
Cached: 77556 kB
SwapCached: 64 kB
Active: 201500 kB
Inactive: 24056 kB
HighTotal: 0 kB
HighFree: 0 kB
LowTotal: 251928 kB
LowFree: 5176 kB
SwapTotal: 730916 kB
SwapFree: 696232 kB
Dirty: 24 kB
Writeback: 0 kB
AnonPages: 137528 kB
Mapped: 56592 kB
Slab: 14204 kB
SReclaimable: 7148 kB
SUnreclaim: 7056 kB
PageTables: 1824 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
CommitLimit: 856880 kB
Committed_AS: 454848 kB
VmallocTotal: 770040 kB
VmallocUsed: 2648 kB
VmallocChunk: 767044 kB
Erik
--
Habit is habit, and not to be flung out of the window by any man, but
coaxed down-stairs a step at a time.
-- Mark Twain, "Pudd'nhead Wilson's Calendar
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