sar command

crisostomo_enrico · 08-12-2008, 04:01 AM

As documentation says, it's a machine-dependent value. You could check with the /usr/bin/pagesize command.

jlliagre · 08-12-2008, 05:16 AM

Instead of fiddling with sar output, you can use the vmstat command which shows these very same columns in user-fiendlier units (kilobytes).

Code:

$ sar -r 2 2

SunOS m3 5.11 snv_94 i86pc    08/12/2008

12:12:18 freemem freeswap
12:12:20  269250  3776976
12:12:22  269250  3776976

Average   269250  3776976
$ vmstat 2 2
 kthr      memory            page            disk          faults      cpu
 r b w   swap  free  re  mf pi po fr de sr cd s0 -- --   in   sy   cs us sy id
 0 0 0 1894128 1091184 11 76 0  0  0  0 23  3  0  0  0  548 2171  619 21  6 74
 0 0 0 1889152 1077580 6 19  0  0  0  0  0  0  0  0  0  561  688  434  7  3 90
$ pagesize
4096
$ expr 3776976 / 2
1888488
$ expr 269250 \* 4
1077000