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先說(shuō)配置:雙Xeon 3.2G,超線程開(kāi),8G Memory, SCSI 320硬盤
現(xiàn)象:運(yùn)行一個(gè)運(yùn)算程序時(shí),其它的程序占用CPU也暴增,top的輸出如下:
top - 10:57:09 up 5 days, 17:06, 7 users, load average: 3.52, 4.02, 4.05
Tasks: 125 total, 2 running, 122 sleeping, 0 stopped, 1 zombie
Cpu0 : 0.0% us, 72.6% sy, 0.0% ni, 27.4% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu1 : 76.1% us, 16.5% sy, 0.0% ni, 7.4% id, 0.0% wa, 0.0% hi, 0.0% si
Cpu2 : 0.3% us, 64.4% sy, 0.3% ni, 34.6% id, 0.3% wa, 0.0% hi, 0.0% si
Cpu3 : 17.4% us, 53.9% sy, 0.0% ni, 28.7% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 8308872k total, 5012656k used, 3296216k free, 45836k buffers
Swap: 8385920k total, 212k used, 8385708k free, 4344004k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
32264 root 18 0 459m 449m 4396 D 81.9 5.5 29:34.10 sim
30594 root 25 10 29416 15m 9576 S 64.6 0.2 80:13.97 rhn-applet-gui
2782 root 17 0 8908 6372 1608 S 42.2 0.1 234:45.03 hald
3524 gdm 16 0 23552 13m 6452 S 33.1 0.2 182:10.67 gdmgreeter
30655 root 16 0 39676 14m 8204 S 19.1 0.2 33:14.16 gnome-terminal
30781 root 17 0 2252 1100 844 R 13.8 0.0 28:11.97 top
30454 root 15 0 3824 1368 948 S 10.7 0.0 22:47.56 gam_server
30649 root 15 0 23072 9508 6732 S 7.5 0.1 12:38.20 mixer_applet2
現(xiàn)在系統(tǒng)變得很慢,請(qǐng)大家談?wù)効捶?/td> |
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