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标题: 我的kswapd怎么会有这么高的cpu占用率，而且swap用光了？ [打印本页]

作者: wllhc 时间: 2008-05-07 13:52
标题: 我的kswapd怎么会有这么高的cpu占用率，而且swap用光了？
操作系统是rh9,内核版本为2.4.20-8smp ，发现kswapd的cpu占用率很高

[root@server root]# top
14:03:58  up 11 days, 22:10,  1 user,  load average: 1.00, 1.00, 0.91
99 processes: 98 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states: 0.1% user  36.2% system 0.0% nice 0.0% iowait  63.1% idle
CPU1 states: 0.1% user 2.2% system 0.0% nice 0.0% iowait  97.1% idle
CPU2 states: 0.1% user 0.0% system 0.0% nice 0.0% iowait  99.4% idle
CPU3 states: 0.5% user 0.2% system 0.0% nice 0.0% iowait  98.3% idle
Mem:  1030192k av, 1020468k used, 9724k free,    0k shrd, 20812k buff
                  880936k actv, 37992k in_d, 19952k in_c
Swap: 2048248k av, 2048248k used,    0k free                68308k cached

  PID USER    PRI  NI  SIZE  RSS SHARE STAT %CPU %MEM TIME CPU COMMAND
11 root    15 0    0 0    0 DW 35.5  0.0 210:49 0 kswapd
14 root    15 0    0 0    0 SW 1.9  0.0  39:01 1 kscand/HighMem

[root@server root]# swapon -s
Filename                      Type          Size Used Priority
/dev/sda7                      partition    2048248 2048248 -1

[root@server root]# free -m
         total    used    free    shared buffers    cached
Mem:       1006       896       109       0       19       66
-/+ buffers/cache:       910       95
Swap:       2000    2000       0

请帮忙分析一下会是什么原因?? 谢谢！

作者: jamesr 时间: 2008-05-07 18:49
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