排查产线系统僵死 | Binchen coder's Blog

查看某个进程下各个线程运行情况

top

top - 15:14:57 up 18 days, 20:55,  2 users,  load average: 8.29, 8.57, 8.88
Tasks:  16 total,   1 running,  15 sleeping,   0 stopped,   0 zombie
Cpu(s): 15.8%us,  3.7%sy,  0.0%ni, 75.2%id,  4.7%wa,  0.0%hi,  0.7%si,  0.0%st
Mem:  197987944k total, 197041256k used,   946688k free,  1459640k buffers
Swap:  8388604k total,  2936792k used,  5451812k free, 85205540k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                                                                                        
31318 root      20   0 18.3g 1.0g  22m S  4.0  0.5 423:46.06 java

top -Hp 31318

top - 15:15:43 up 18 days, 20:55,  2 users,  load average: 7.89, 8.42, 8.81
Tasks: 541 total,   0 running, 541 sleeping,   0 stopped,   0 zombie
Cpu(s): 15.8%us,  3.7%sy,  0.0%ni, 75.2%id,  4.7%wa,  0.0%hi,  0.7%si,  0.0%st
Mem:  197987944k total, 197030020k used,   957924k free,  1459640k buffers
Swap:  8388604k total,  2936792k used,  5451812k free, 85206008k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                                                                                                                                        
31470 root      20   0 18.3g 1.0g  22m S  3.9  0.5 213:51.56 java                                                                                                                                                                           
31318 root      20   0 18.3g 1.0g  22m S  0.0  0.5   0:00.02 java                                                                                                                                                                           
31324 root      20   0 18.3g 1.0g  22m S  0.0  0.5   0:17.63 java                                                                                                                                                                           
31325 root      20   0 18.3g 1.0g  22m S  0.0  0.5   0:27.14 java                                                                                                                                                                           
31326 root      20   0 18.3g 1.0g  22m S  0.0  0.5   0:27.71 java