time 命令 - 输出到文件 - -v参数

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最新推荐文章于 2025-02-09 18:22:49 发布

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分类专栏： linux命令-OPQRST

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本文记录了一次使用 date 命令并利用 time 工具进行系统资源使用情况的详细统计过程，包括 CPU 使用率、运行时间、内存占用等关键指标。

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(time date) 2>log

{time date} 2>log

$ /usr/bin/time -v date
2014年 03月 20日 星期四 12:33:16 CST
	Command being timed: "date"
	User time (seconds): 0.00
	System time (seconds): 0.00
	Percent of CPU this job got: 0%
	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.00
	Average shared text size (kbytes): 0
	Average unshared data size (kbytes): 0
	Average stack size (kbytes): 0
	Average total size (kbytes): 0
	Maximum resident set size (kbytes): 2768
	Average resident set size (kbytes): 0
	Major (requiring I/O) page faults: 0
	Minor (reclaiming a frame) page faults: 212
	Voluntary context switches: 1
	Involuntary context switches: 1
	Swaps: 0
	File system inputs: 0
	File system outputs: 0
	Socket messages sent: 0
	Socket messages received: 0
	Signals delivered: 0
	Page size (bytes): 4096
	Exit status: 0