status 文件 cat /proc/pid/status
[root@testdb 3277]# cat status
#进程名
Name: mongod
#进程的状态
#R (running)", "S (sleeping)", "D (disk sleep)", "T (stopped)", "T(tracing stop)", "Z (zombie)", or "X (dead)"
State: S (sleeping)
Tgid: 3277
Pid: 3277
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
Utrace: 0
FDSize: 128
Groups: 0
#内存峰值
VmPeak: 6012688 kB
VmSize: 6012684 kB
VmLck: 0 kB
VmHWM: 4465128 kB
#正在使用的物理内存
VmRSS: 3507316 kB
VmData: 5884088 kB
VmStk: 144 kB
VmExe: 51504 kB
VmLib: 9924 kB
VmPTE: 9984 kB
VmSwap: 0 kB
Threads: 31
SigQ: 0/62826
SigPnd: 0000000000000000
ShdPnd: 0000000000000000
SigBlk: 0000000000804203
SigIgn: 0000000000001001
SigCgt: 0000000180000cec
CapInh: 0000000000000000
CapPrm: ffffffffffffffff
CapEff: ffffffffffffffff
CapBnd: ffffffffffffffff
Cpus_allowed: f
Cpus_allowed_list: 0-3
Mems_allowed: 00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000000,00000001
Mems_allowed_list: 0
voluntary_ctxt_switches: 42
nonvoluntary_ctxt_switches: 8