https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252162#M546 不懂你說的分析是要分析什麼<BR /><BR />可以描述一下嗎?<BR /><BR />若是指看到idle 的值的話.....<BR /><BR />example:<BR /><BR />#collect –i 5 –sc<BR /><BR /># CPU SUMMARY<BR /><BR /># USER SYS IDLE WAIT INTR SYSC CS RUNQ AVG5 AVG30 AVG60 FORK VFORK<BR /><BR /> 8 73 19 0 503 54911 4322 4 5.68 6.61 6.32 13.91 0.00<BR /><BR /># SINGLE CPU STATISTICS<BR /><BR /># CPU USER SYS IDLE WAIT<BR /><BR /> 0 6 70 24 0<BR /><BR /> 1 8 76 16 0<BR /><BR /> 2 8 75 16 0<BR /><BR /> 3 8 72 19 0<BR /><BR /> Tue, 07 Feb 2006 09:24:59 GMT watermelonyu 2006-02-07T09:24:59Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252161#M545 哪個 command 可以分析 kernel idle? (Tru64 5.1B) Tue, 07 Feb 2006 01:18:21 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252161#M545 watermelonyu 2006-02-07T01:18:21Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252162#M546 不懂你說的分析是要分析什麼<BR /><BR />可以描述一下嗎?<BR /><BR />若是指看到idle 的值的話.....<BR /><BR />example:<BR /><BR />#collect –i 5 –sc<BR /><BR /># CPU SUMMARY<BR /><BR /># USER SYS IDLE WAIT INTR SYSC CS RUNQ AVG5 AVG30 AVG60 FORK VFORK<BR /><BR /> 8 73 19 0 503 54911 4322 4 5.68 6.61 6.32 13.91 0.00<BR /><BR /># SINGLE CPU STATISTICS<BR /><BR /># CPU USER SYS IDLE WAIT<BR /><BR /> 0 6 70 24 0<BR /><BR /> 1 8 76 16 0<BR /><BR /> 2 8 75 16 0<BR /><BR /> 3 8 72 19 0<BR /><BR /> Tue, 07 Feb 2006 09:24:59 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252162#M546 watermelonyu 2006-02-07T09:24:59Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252163#M547 查 top 時, 有一 process 為 kernel idle, 似乎所耗 resource 突然有偏高現象, 導致 cpu 的 system% 超過 30% (平時在 20% 以下), 請問該如何判斷這個 kernel idle 是怎麼造成的? Tue, 07 Feb 2006 22:23:48 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252163#M547 watermelonyu 2006-02-07T22:23:48Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252164#M548 wait i/o 有增加嗎 Wed, 08 Feb 2006 02:18:30 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252164#M548 watermelonyu 2006-02-08T02:18:30Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252165#M549 wait i/o 跟平常差不多 Wed, 08 Feb 2006 05:43:52 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252165#M549 watermelonyu 2006-02-08T05:43:52Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252166#M550 分析的工具我是不知道<BR /><BR />但kernel idle 增高有可能是configuration or hardware problem所導致<BR /><BR />請至該網頁看看,是否你的現象與他相同<BR /><BR /><A href="http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=769502" target="_blank" rel="nofollow">http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=769502</A> Wed, 08 Feb 2006 23:36:07 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252166#M550 watermelonyu 2006-02-08T23:36:07Z https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252167#M551 Hi Eric,<BR /><BR /><BR /><BR />Please using the following command to trace what thread is the largest CPU loading?<BR /><BR /><BR /><BR /># ps -em -O THREAD<BR /><BR /><BR /><BR />See the field "WCHAN" description and CPU usage on both "user" and "system" time since it started!<BR /><BR /><BR /><BR />Best regards,<BR /><BR />Richard. Fri, 10 Feb 2006 00:54:56 GMT https://community.hpe.com/t5/tru64-unix/about-kernel-idle/m-p/2252167#M551 watermelonyu 2006-02-10T00:54:56Z