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1. ʹÓà ps ÏÂÁî
ps ÏÂÁîÊÇÉó²éÀú³ÌÐÅÏ¢µÄ³£Óù¤¾ß¡£Ëü¿ÉÒÔÔÚÖÕ¶ËÖÐʹÓ㬲¢ÌṩÒÔÏÂÑ¡Ï
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-eo pid,etime£ºÏÔʾÀú³Ì ID ºÍÔËÐÐʱ¼ä£¨ÒÑÓÃʱ¼ä£©¡£
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$ ps -eo pid,etime PID ELAPSED 2832 00:31:36 3062 00:01:15 3707 00:00:00
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2. ʹÓà uptime ÏÂÁî
uptime ÏÂÁîÏÔʾϵһÇмÆÐÅÏ¢£¬°üÀ¨Ä¿½ñʱ¼äºÍϵͳÒÑÔËÐÐʱ¼ä¡£Ëü»¹¿ÉÒÔÌṩÓйØÀú³Ì×ÜÊýÇå¾²¾ù¸ºÔصÄÐÅÏ¢¡£
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$ uptime 16:02:03 up 17 days, 17:59, 4 users, load average: 2.31, 2.42, 2.40
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3. ʹÓà top ÏÂÁî
top ÏÂÁîÌṩʵʱµÄÀú³ÌÐÅÏ¢ÊÓͼ¡£Ëü¿ÉÒÔ°´ CPU ʹÓÃÂÊ¡¢ÄÚ´æʹÓÃÂÊ»òÆäËûÖ¸±ê¶ÔÀú³Ì¾ÙÐÐÅÅÐò¡£
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$ top -t PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1066 root 20 0 1706m 55m 1012 S 2.5 0.6 1:07.29 mysqld 7576 root 20 0 280m 17m 716 S 0.0 0.2 0:00.00 rsyslogd 9982 user 20 0 1404m 212m 816 S 1.0 2.3 0:00.05 python3
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4. ʹÓà pidstat ÏÂÁî
pidstat ÏÂÁîÌṩÓйØÀú³ÌµÄÏêϸÐÔÄÜͳ¼ÆÐÅÏ¢£¬°üÀ¨ CPU ʹÓÃÂÊ¡¢ÄÚ´æʹÓÃÂÊºÍ I/O Ô˶¯¡£
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$ pidstat -d -p 1066 1 5 Linux 5.10.0-1040-azure (buildd@lcy01-amd64-016) (x86_64) 10:40:30 pm CPU %usr %system %guest %wait %idle 10:40:31 pm all 98.06 1.94 0.00 0.00 0.00 usr 97.99 2.01 0.00 0.00 0.00 sys 0.07 0.00 0.00 0.00 0.00 wai 0.00 0.00 0.00 0.00 0.00 idl 0.00 0.00 0.00 0.00 0.00 10:40:32 pm all 97.93 2.07 0.00 0.00 0.00 usr 97.93 1.99 0.01 0.00 0.00 sys 0.00 0.08 0.00 0.00 0.00 wai 0.00 0.00 0.00 0.00 0.00 idl 0.00 0.00 0.00 0.00 0.00 Process 1066 (mysqld), 98.06% usr, 1.94% sys, 0.00% guest, 0.00% wait, 0.00% idle
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