Shell Programming and Scripting

Hi All,

I want to check load balance(or CPU utilzation) on server dynamically based on that value i want to perform some operation .
Means if load balance is <10 then start server .
Am using prstat -a 1
commadn it is listing CPU utilzation/load balancing dynamically ..
How to take this value in variable continueslly an dperform operation??
thanks in Advance

---------- Post updated at 04:17 AM ---------- Previous update was at 02:01 AM ----------

Please help...urgentlyyy...

when ever, you post the question, post as much as possible.

i dont know what is the output format of the command post the output here. and which value you need in variable.

then only we can able to help you

bash-3.00$ prstat -a 1
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
25734 dsfad01 3782M 3535M cpu16 0 0 1:03:58 12% siebprocmw/7
20530 s2d0 2904M 2677M cpu19 0 0 1:10:19 12% db2sysc/1
10174 adcxy8b 4160K 3384K cpu18 40 0 0:00:18 6.4% prstat/1
2240 daemon 2864K 1680K sleep 60 -20 169:13:36 1.9% nfsd/7
5301 s2yb 3577M 3386M sleep 59 0 10:16:33 1.5% db2sysc/1
5356 s2yb 3582M 3395M sleep 59 0 4:30:53 1.2% db2sysc/1
10121 root 21M 9824K sleep 59 0 61:47:47 1.0% scopeux/1
5331 root 35M 21M sleep 59 0 32:53:23 0.5% irmulticol/1
2205 dsfad05 659M 486M sleep 59 0 4:41:45 0.5% java/88
10167 root 2008K 912K sleep 59 0 28:03:31 0.4% perf64/1
5330 root 17M 8208K sleep 59 0 26:54:32 0.4% iravcol/1
6316 s2yb 3578M 3387M sleep 59 0 6:27:00 0.3% db2sysc/1
2216 s2c8 2192M 2143M sleep 59 0 0:04:03 0.2% db2sysc/1
29522 dcrmd02 1130M 770M sleep 59 0 12:13:43 0.2% java/115
25763 dsfad01 406M 371M sleep 59 0 0:04:51 0.1% siebproc/3
1047 root 50M 23M sleep 59 -20 11:04:37 0.1% pdosd/42
2238 dsfad05 144M 111M sleep 29 10 1:04:49 0.1% pmserver/36
8216 dtaud02 1047M 774M sleep 59 0 7:56:17 0.1% java/132
8214 root 898M 656M sleep 59 0 9:30:52 0.1% java/112
14135 dtobd01 1448M 556M sleep 59 0 2:29:45 0.1% java/52
29813 davjd02 542M 327M sleep 59 0 2:56:21 0.1% java/88
2966 dsudd02 713M 436M sleep 59 0 3:48:10 0.1% java/88
5201 ddald02 570M 424M sleep 59 0 5:17:58 0.1% java/107
9486 root 387M 250M sleep 59 0 3:34:21 0.0% java/80
5082 root 383M 241M sleep 59 0 3:16:48 0.0% java/81
2203 dsfad05 292M 213M sleep 29 10 0:41:58 0.0% java/53
8215 root 395M 250M sleep 59 0 3:18:19 0.0% java/82
258 root 150M 15M sleep 59 0 3:44:42 0.0% nscd/43
10097 root 483M 298M sleep 59 0 3:05:52 0.0% java/79
4828 s2k8 2117M 2042M sleep 59 0 1:05:20 0.0% db2sysc/1
23488 s2yb 3572M 3491M sleep 59 0 2:14:19 0.0% db2sysc/1
23501 s2yb 3573M 3488M sleep 59 0 0:48:48 0.0% db2sysc/1
3869 ddsed01 2630M 964M sleep 59 0 0:08:37 0.0% java/44
6377 s2c8 2181M 2104M sleep 59 0 1:19:31 0.0% db2sysc/1
5739 s2d0 2888M 2810M sleep 49 0 2:30:41 0.0% db2sysc/1
8819 s2k8 2131M 2079M sleep 59 0 0:23:17 0.0% db2sysc/1
11905 ddsed01 2168M 572M sleep 59 0 0:27:41 0.0% java/40
8644 ddsed01 2171M 614M sleep 59 0 0:19:17 0.0% java/42
13408 dsfad05 169M 123M sleep 29 10 0:02:17 0.0% pmdtm/13
NPROC USERNAME SWAP RSS MEMORY TIME CPU
72 dsfad01 7969M 8400M 13% 3:21:30 13%
157 s2d0 6420M 4330M 6.6% 272:52:57 12%
11 adcxy8b 11M 18M 0.0% 0:00:18 6.4%
77 s2yb 4749M 3786M 5.8% 89:25:46 3.1%
120 root 3241M 3392M 5.2% 213:36:12 2.8%
7 daemon 11M 12M 0.0% 169:14:53 1.9%
11 dsfad05 1622M 1823M 2.8% 8:44:48 0.7%
201 s2c8 6326M 3542M 5.4% 30:03:56 0.3%
7 dcrmd02 2225M 1887M 2.9% 14:40:06 0.2%
8 dtobd01 1697M 1131M 1.7% 3:15:10 0.1%
1 dtaud02 787M 878M 1.3% 7:56:17 0.1%
8 ddsed01 6903M 2139M 3.3% 0:55:35 0.1%
3 davjd02 336M 390M 0.6% 2:56:22 0.1%
24 oraaev0t 940M 1027M 1.6% 1:27:56 0.1%
184 s2k8 5897M 3378M 5.2% 41:04:15 0.1%
Total: 964 processes, 12646 lwps, load averages: 3.07, 2.88, 2.99


It changes after one second

Code:

 
prstat -Lc 1 1

run the below command, and see, whether it keep updates or not

Code:

prstat 1 1

if it shows for 1 second and comes out, then

Code:

 
prstat 1 1 | awk '{print $1,$9}'

which value you want exactly to store into variable ?

---------- Post updated at 02:12 PM ---------- Previous update was at 02:10 PM ----------

you want to capture the load averages: 3.07, 2.88, 2.99 ???????

when i ran prstat -Lc 1 1
i got following o/p

bash-3.00$ prstat -Lc 1 1
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/LWPID
5301 s2yb 3577M 3386M sleep 59 0 10:27:53 1.4% db2sysc/1
6316 s2yb 3578M 3387M sleep 59 0 6:37:57 1.2% db2sysc/1
10121 root 21M 9824K sleep 60 0 62:02:21 0.9% scopeux/1
6230 s2d0 2900M 2673M sleep 59 0 3:46:00 0.6% db2sysc/1
2240 daemon 2864K 1680K sleep 60 -20 1:36:37 0.4% nfsd/9287
5331 root 35M 21M sleep 59 0 33:01:25 0.4% irmulticol/1
2240 daemon 2864K 1680K sleep 60 -20 2:23:33 0.4% nfsd/9285
2205 dsfad05 659M 486M sleep 59 0 2:23:00 0.4% java/10
2240 daemon 2864K 1680K sleep 60 -20 2:30:44 0.4% nfsd/9284
2240 daemon 2864K 1680K sleep 60 -20 1:26:52 0.4% nfsd/9288
10167 root 2008K 912K sleep 59 0 28:10:17 0.4% perf64/1
5330 root 17M 8208K sleep 59 0 27:00:49 0.4% iravcol/1
2240 daemon 2864K 1680K sleep 60 -20 2:22:38 0.4% nfsd/9286
5356 s2yb 3582M 3395M sleep 59 0 4:41:55 0.3% db2sysc/1
23693 s2c8 2213M 2164M sleep 59 0 0:06:18 0.2% db2sysc/1
Total: 964 processes, 12670 lwps, load averages: 1.76, 2.03, 2.05

Load aveage is not column ..i want to cpature only 1.76 bold one..thanks

---------- Post updated at 04:58 AM ---------- Previous update was at 04:54 AM ----------

or else one thing i can do sort with username and CPU%?
take result CPU% in variable
Thanks

Code:

prstat -Lc 1 1 | nawk ' /^Total/ {print substr($8,1,length($8)-1)}'

you are genius ...will please explain it