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IDS Forum

Re: RE: Which session is using the most cpu resour

Posted By: PRAVIN BANKAR
Date: Tuesday, 3 November 2015, at 1:15 p.m.

In Response To: RE: Which session is using the most cpu resource? (Michaelis, Daniel)

Thank you Michaelis.

I am also looking similar to this scenario. That is how to find sessions which are using more system resources?

Here are few sample output based on instruction in your post:
Top command:
top - 12:59:22 up 318 days, 20:53, 2 users, load average: 3.19, 3.93, 4.37
Tasks: 1038 total, 4 running, 1034 sleeping, 0 stopped, 0 zombie
Cpu(s): 4.4%us, 0.2%sy, 0.0%ni, 95.3%id, 0.2%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 396867876k total, 389190032k used, 7677844k free, 180780k buffers
Swap: 65535996k total, 391424k used, 65144572k free, 338482608k cached

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10845 informix 10 -10 185g 131g 131g S 59.5 34.7 26346:14 oninit
10901 informix 10 -10 185g 128g 128g S 52.6 34.0 2905:17 oninit
10894 informix 10 -10 185g 129g 129g R 39.0 34.2 34921:51 oninit
10895 informix 10 -10 185g 129g 129g R 25.5 34.2 20324:31 oninit
10896 informix 10 -10 185g 129g 129g R 24.5 34.2 11841:13 oninit
...

$onstat -g glo

IBM Informix Dynamic Server Version 11.70.FC7 -- On-Line (Prim) -- Up 172 days 20:35:13 -- 194024048 Kbytes

MT global info:
sessions threads vps lngspins
451 938 190 7206384

sched calls thread switches yield 0 yield n yield forever
total: 868223877 1125682961 4155947712 3397828556 4077377433
per sec: 67312 3369 63964 31 390

Virtual processor summary:
class vps usercpu syscpu total
cpu 47 11334877.22 122653.68 11457530.90
aio 128 73405.54 536062.87 609468.41
lio 1 93.02 1031.36 1124.38
pio 1 42.59 561.37 603.96
adm 1 2193.20 3359.28 5552.48
soc 8 53813.52 70545.24 124358.76
msc 1 702.50 1131.97 1834.47
jvp 2 4060.03 1461.38 5521.41
fifo 1 27.68 85.75 113.43
total 190 11469215.30 736892.90 12206108.20
Individual virtual processors:
vp pid class usercpu syscpu total Thread Eff
1 10845 cpu 1168193.33 32603.78 1200797.11 1200797.11 100%
2 10855 adm 2193.20 3359.28 5552.48 0.00 0%
3 10881 lio 93.02 1031.36 1124.38 6292.26 17%
4 10889 pio 42.59 561.37 603.96 4241.04 14%
5 10890 aio 22094.77 184048.57 206143.34 884370.47 23%
6 10891 msc 702.50 1131.97 1834.47 11933.31 15%
7 10892 fifo 27.68 85.75 113.43 0.00 0%
8 10894 cpu 1561030.73 30491.99 1591522.72 1591522.72 100%
9 10895 cpu 906011.37 16282.53 922293.90 922293.90 100%
10 10896 cpu 523305.16 7572.53 530877.69 530877.69 100%
11 10897 cpu 313457.73 3560.74 317018.47 317018.47 100%
12 10898 cpu 212076.47 1911.06 213987.53 213987.53 100%
13 10899 cpu 152093.84 1170.80 153264.64 153264.64 100%
14 10900 cpu 161025.05 913.38 161938.43 161938.43 100%
15 10901 cpu 131959.07 805.11 132764.18 132764.18 100%
16 10902 cpu 118550.31 756.61 119306.92 119306.92 100%
17 10903 cpu 130188.71 730.42 130919.13 130919.13 100%
...

onstat -g act:
Running threads:
tid tcb rstcb prty status vp-class name
8 20720fbd48 0 1 running 56soc* soctcppoll
9 2072102b60 0 1 running 57soc* soctcppoll
10 20721098b0 0 1 running 58soc* soctcppoll
11 20721108b0 0 1 running 59soc* soctcppoll
12 20721178b0 0 1 running 60soc* soctcppoll
13 207211e8b0 0 1 running 61soc* soctcppoll
14 20721258b0 0 1 running 62soc* soctcppoll
15 207212c8b0 0 1 running 63soc* soctcppoll
71110497 209263e468 20bd0c4290 1 running 8cpu sqlexec
71378770 20ae229d20 20cf7da9e0 1 running 1cpu sqlexec
71378780 209d111028 2076b27f18 1 running 9cpu sqlexec

But is there any way, I can extract the session id based on pid or tid from above output?

Thanks in advance!!!

~ Pravin Bankar
pravinebankar@gmail.com

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