SAR -
sar [-ubdycwaqvmA] [-o ] [_]
sar [-ubdycwaqvmA] [-o ] [-s ] [-e ]
[-i ] [-f ]
sar.
sar
,
. 1.
,
/etc/cron , ,
/usr/spool/cron/crontabs/sys :
# @(#)sys 5.1
0 * * * 0-6 /usr/lib/sa/sa1 &
20,40 7-18 * * 0-6 /usr/lib/sa/sa1 &
9 18 * * 0-6 /usr/lib/sa/sa2 -s 8:00 -e 18:01 -i 1200 -A
( ) sar -
, -
. -f, , -
, /usr/adm/sa/
sa .
-s [:[:]].
-e [:[:]].
-A . -udqbwcayvm.
-u
%usr ,
%sys .
%wio / - ,
%idle .
-b :
bread/s, bwrit/s - - . .
lread/s, lwrit/s - ;
%rcache, %wcache -
%rcache . >=90
%wcache . >=65
pread/s, pwrit/s - () .
-d :
device .
%busy .
avque ;
r+w/s, - ,
blks/s - . 512
avwait . .()
avserw .
-c
scall/s -
sread/s, swrit/s, fork/s, exec/s -
rchar/s, wchar/s - , read write
-v , :
proc-sz, inod-sz, file-sz -
proc-ov, inod-ov, file-ov -
sar -a .
iget/s , , .
namei/s , .
dirbk/s .
, .
sar -q :
runk-sz . >2 =>
%runocc % ,
. , .
swpq-sz .
%swpocc % , . .
%runocc > 90, runq-sz > 1, , -
. ,
, .
%swpocc 20, -
-
.
sar -w .
swpin/s -
bswin/s 512
swpot/s
. > 1, -
, .
bswot/s ,
pswch/s .
4-6 30 50.
sar -p # .
vflt/s ???
(??? ).
pflt/s - ( -
) "???". pflt/s
"???".
pgfil/s vflt/s,
. ( pgfil
lreads; . sar -b).
rclm/s ??? ,
( ) .
sar -r # .
freemem . 2.
, (<40)
.
freeswap 512 ..
,
- (15 35 ).
-y :
rawch/s, canch/s, outch/s - ,
, (
/);
rcvin/s, xmtin/s, mdmin/s - , -
( /).
(mdmin/s)
0, ???
??? (rcvin/s xmtin/s) -
, .
, , .
---------------------------------------------------------------
10 ,
temp:
sar -o temp 60 10 &
temp.
sar -A -f temp | pg
---------------------------------------------------------------
Last-modified: Tue, 25 Nov 1997 07:06:52 GMT