I think u can use top which will show the processes running on each cpu ________________________________ From: "Rangi, Jai" <jrangi@xxxxxxxxxxxxxx> To: redhat-list@xxxxxxxxxx Sent: Wednesday, November 26, 2008 11:44:24 AM Subject: High System CPU Usage All, I have a cluster of 7 servers (ns client) running hava application and 1 NFS server. Sometime In the top output system CPU is 55%. Could some give me a clues what might be causing system CPU to be that high. Tried these Ps -eo pid,user,%cpu,args -sort %cpu the top list was java process and mysql using 39% and 4% max. Checked the output from sar -c, sar -b and at the peak time 04:10:02 PM proc/s 04:20:01 PM 40.02 04:30:01 PM 34.65 04:40:02 PM 35.74 04:50:01 PM 36.13 05:00:01 PM 40.61 05:10:01 PM 38.42 05:20:01 PM 32.75 Sar -P all 04:20:01 PM CPU %user %nice %system %iowait %idle 04:30:01 PM all 22.70 0.00 64.87 1.83 10.61 04:30:01 PM 0 24.14 0.00 63.88 1.69 10.29 04:30:01 PM 1 21.25 0.00 65.86 1.97 10.92 04:40:02 PM all 22.21 0.00 66.27 1.51 10.01 04:40:02 PM 0 23.53 0.00 65.23 1.53 9.71 04:40:02 PM 1 20.89 0.00 67.30 1.50 10.31 04:50:01 PM all 22.55 0.00 66.49 1.45 9.52 I can see the high usage by System CPU, but I want to find out what might be causing this high so High System CPU. Any lead would be appreciated. Jai -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list
