ps aux 各列的含义

最新推荐文章于 2024-08-16 09:51:21 发布

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最新推荐文章于 2024-08-16 09:51:21 发布

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本文详细介绍了 ps 命令的输出字段及其含义，包括 USER、UID、PID、%CPU、%MEM 等关键指标，帮助读者理解进程状态监控的各项参数。

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Table 38.1: ps Command Output Fields
Column[3]	Contents
USER (BSD)	Username of process owner.
UID (System V)	Username of process owner.
PID	Process ID.
%CPU	Estimated fraction of CPU consumed (BSD).
%MEM	Estimated fraction of system memory consumed (BSD).
SZ	Virtual memory used in K (BSD) or pages (System V).
RSS	Real memory used (in same units as SZ).
TT, TTY	Terminal port associated with process.
STAT (BSD),	Current process state; one (or more under BSD) of:
S (System V)
	R: Running or runnable.
	S: Sleeping.
	I: Idle (BSD). Intermediate state (System V).
	T: Stopped (12.8 ) .
	Z: Zombie process (38.16 ) .
	D (BSD): Disk wait.
	P (BSD): Page wait.
	X (System V): Growing: waiting for memory.
	K (AIX): Available kernel process.
	W (BSD): Swapped out.
	N (BSD): Niced (39.9 , 39.11 ) :execution priority lowered.
	> (BSD): Execution priorityartificially raised (39.11 ) .
TIME	Total CPU time used.
COMMAND	Command line being executed (may be truncated).
STIME (System V)	Time or date process started.
C (System V),	Short term CPU-use factor; used by scheduler for
CP (BSD)	computing execution priority (PRI below).
F	Flags associated with process (see ps manual page).
PPID	Parent's PID.
PRI	Actual execution priority (recomputed dynamically).
NI	Process nice number (39.9 ) .
WCHAN	Event process is waiting for. 摘自：http://docstore.mik.ua/orelly/unix/upt/ch38_05.htm