top free ps time\u8fd9\u56db\u4e2a\u5c31\u4e0d\u591a\u8bf4\u4e86\n\n===============================================
uptime\n\n\u73b0\u5728\u7684\u65f6\u95f4
\u7cfb\u7edf\u5f00\u673a\u8fd0\u8f6c\u5230\u73b0\u5728\u7ecf\u8fc7\u7684\u65f6\u95f4
\u8fde\u7ebf\u7684\u4f7f\u7528\u8005\u6570\u91cf
\u6700\u8fd1\u4e00\u5206\u949f\uff0c\u4e94\u5206\u949f\u548c\u5341\u4e94\u5206\u949f\u7684\u7cfb\u7edf\u8d1f\u8f7d
\u53c2\u6570\uff1a -V \u663e\u793a\u7248\u672c\u8d44\u8baf\u3002
\u8303\u4f8b\uff1a
\n\n
[ssj@main ~]$ uptime
12:42:05 up 1:40, 3 users, load average: 0.01, 0.02, 0.06
<\/blockquote>\n\n\n\n===============================================
\u7528vmstat\u76d1\u89c6\u5185\u5b58\u4f7f\u7528\u60c5\u51b5
\u3000\u3000vmstat\u662fVirtual Meomory Statistics\uff08\u865a\u62df\u5185\u5b58\u7edf\u8ba1\uff09\u7684\u7f29\u5199\uff0c\u53ef\u5bf9\u64cd\u4f5c\u7cfb\u7edf\u7684\u865a\u62df\u5185\u5b58\u3001\u8fdb\u7a0b\u3001CPU\u6d3b\u52a8\u8fdb\u884c\u76d1\u89c6\u3002\u5b83\u662f\u5bf9\u7cfb\u7edf\u7684\u6574\u4f53\u60c5\u51b5\u8fdb\u884c\u7edf\u8ba1\uff0c\u4e0d\u8db3\u4e4b\u5904\u662f\u65e0\u6cd5\u5bf9\u67d0\u4e2a\u8fdb\u7a0b\u8fdb\u884c\u6df1\u5165\u5206\u6790\u3002
vmstat\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a
vmstat [-V] [-n] [delay [count]]
\u5176\u4e2d\uff0c\uff0dV\u8868\u793a\u6253\u5370\u51fa\u7248\u672c\u4fe1\u606f\uff1b\uff0dn\u8868\u793a\u5728\u5468\u671f\u6027\u5faa\u73af\u8f93\u51fa\u65f6\uff0c\u8f93\u51fa\u7684\u5934\u90e8\u4fe1\u606f\u4ec5\u663e\u793a\u4e00\u6b21\uff1bdelay\u662f\u4e24\u6b21\u8f93\u51fa\u4e4b\u95f4\u7684\u5ef6\u8fdf\u65f6\u95f4\uff1bcount\u662f\u6307\u6309\u7167\u8fd9\u4e2a\u65f6\u95f4\u95f4\u9694\u7edf\u8ba1\u7684\u6b21\u6570\u3002\u5bf9\u4e8evmstat\u8f93\u51fa\u5404\u5b57\u6bb5\u7684\u542b\u4e49\uff0c\u53ef\u8fd0\u884cman vmstat\u67e5\u770b\u3002
\u4f8b:
\n\n[ssj@main ~]$ vmstat
procs ———–memory———- —swap– —–io—- –system– —–cpu—–
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 0 1916520 141100 2152896 0 0 159 79 1252 1902 3 9 87 1 0 \n\n[ssj@main ~]$ vmstat -n 3
procs ———–memory———- —swap– —–io—- –system– —–cpu—–
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 0 1882960 143556 2167876 0 0 139 69 1259 1913 3 8 88 1 0
0 0 0 1882960 143556 2167884 0 0 0 0 2602 3757 2 3 95 0 0
0 0 0 1882836 143572 2167892 0 0 0 21 2609 3752 2 4 94 0 0
0 0 0 1882836 143580 2167884 0 0 0 16 2589 3699 2 4 94 0 0
<\/blockquote>\n\n\n\n=======================================================
\u7528iostat\u76d1\u89c6I\/O\u5b50\u7cfb\u7edf\u60c5\u51b5,(\u5b89\u88c5sysstat)
\u3000\u3000iostat\u662fI\/O statistics\uff08\u8f93\u5165\/\u8f93\u51fa\u7edf\u8ba1\uff09\u7684\u7f29\u5199\uff0ciostat\u5de5\u5177\u5c06\u5bf9\u7cfb\u7edf\u7684\u78c1\u76d8\u64cd\u4f5c\u6d3b\u52a8\u8fdb\u884c\u76d1\u89c6\u3002\u5b83\u7684\u7279\u70b9\u662f\u6c47\u62a5\u78c1\u76d8\u6d3b\u52a8\u7edf\u8ba1\u60c5\u51b5\uff0c\u540c\u65f6\u4e5f\u4f1a\u6c47\u62a5\u51fa CPU\u4f7f\u7528\u60c5\u51b5\u3002\u540cvmstat\u4e00\u6837\uff0ciostat\u4e5f\u6709\u4e00\u4e2a\u5f31\u70b9\uff0c\u5c31\u662f\u5b83\u4e0d\u80fd\u5bf9\u67d0\u4e2a\u8fdb\u7a0b\u8fdb\u884c\u6df1\u5165\u5206\u6790\uff0c\u4ec5\u5bf9\u7cfb\u7edf\u7684\u6574\u4f53\u60c5\u51b5\u8fdb\u884c\u5206\u6790\u3002
iostat\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a
iostat [ -c | -d ] [ -k ] [ -t ] [ -V ] [ -x [ device ] ] [ interval [ count ] ]
\u3000\u3000\u5176\u4e2d\uff0c-c\u4e3a\u6c47\u62a5CPU\u7684\u4f7f\u7528\u60c5\u51b5\uff1b-d\u4e3a\u6c47\u62a5\u78c1\u76d8\u7684\u4f7f\u7528\u60c5\u51b5\uff1b-k\u8868\u793a\u6bcf\u79d2\u6309kilobytes\u5b57\u8282\u663e\u793a\u6570\u636e\uff1b-t\u4e3a\u6253\u5370\u6c47\u62a5\u7684\u65f6\u95f4\uff1b-v\u8868\u793a\u6253\u5370\u51fa\u7248\u672c\u4fe1\u606f\u548c\u7528\u6cd5\uff1b-x device\u6307\u5b9a\u8981\u7edf\u8ba1\u7684\u8bbe\u5907\u540d\u79f0\uff0c\u9ed8\u8ba4\u4e3a\u6240\u6709\u7684\u8bbe\u5907\uff1binterval\u6307\u6bcf\u6b21\u7edf\u8ba1\u95f4\u9694\u7684\u65f6\u95f4\uff1bcount\u6307\u6309\u7167\u8fd9\u4e2a\u65f6\u95f4\u95f4\u9694\u7edf\u8ba1\u7684\u6b21\u6570\u3002
\u4f8b:
\n\n[ssj@main ~]$ iostat
Linux 2.6.31.9-174.fc12.x86_64 (main.kumouse.com) 2009\u5e7412\u670830\u65e5 _x86_64_ (2 CPU)\n\navg-cpu: %user %nice %system %iowait %steal %idle
2.88 0.03 8.00 0.92 0.00 88.17\n\nDevice: tps Blk_read\/s Blk_wrtn\/s Blk_read Blk_wrtn
sda 6.99 266.87 135.12 1785416 903995
sdb 7.13 268.12 134.78 1793805 901731
md127 53.40 550.56 277.81 3683382 1858598
dm-0 22.45 217.19 121.21 1453090 810920
dm-1 23.00 312.69 148.69 2091970 994800
dm-2 0.02 0.14 0.00 936 0
<\/blockquote>\n\n\n\n=======================================================
\u3000\u3000\u4f7f\u7528sar\u8fdb\u884c\u7efc\u5408\u5206\u6790
\u3000\u3000\u88681 sar\u53c2\u6570\u8bf4\u660e
\u3000\u3000\u9009\u9879 \u529f\u80fd
\u3000\u3000-A \u6c47\u603b\u6240\u6709\u7684\u62a5\u544a
\u3000\u3000-a \u62a5\u544a\u6587\u4ef6\u8bfb\u5199\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-B \u62a5\u544a\u9644\u52a0\u7684\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-b \u62a5\u544a\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-c \u62a5\u544a\u7cfb\u7edf\u8c03\u7528\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-d \u62a5\u544a\u78c1\u76d8\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-g \u62a5\u544a\u4e32\u53e3\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-h \u62a5\u544a\u5173\u4e8ebuffer\u4f7f\u7528\u7684\u7edf\u8ba1\u6570\u636e
\u3000\u3000-m \u62a5\u544aIPC\u6d88\u606f\u961f\u5217\u548c\u4fe1\u53f7\u91cf\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-n \u62a5\u544a\u547d\u540dcache\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-p \u62a5\u544a\u8c03\u9875\u6d3b\u52a8\u7684\u4f7f\u7528\u60c5\u51b5
\u3000\u3000-q \u62a5\u544a\u8fd0\u884c\u961f\u5217\u548c\u4ea4\u6362\u961f\u5217\u7684\u5e73\u5747\u957f\u5ea6
\u3000\u3000-R \u62a5\u544a\u8fdb\u7a0b\u7684\u6d3b\u52a8\u60c5\u51b5
\u3000\u3000-r \u62a5\u544a\u6ca1\u6709\u4f7f\u7528\u7684\u5185\u5b58\u9875\u9762\u548c\u786c\u76d8\u5757
\u3000\u3000-u \u62a5\u544aCPU\u7684\u5229\u7528\u7387
\u3000\u3000-v \u62a5\u544a\u8fdb\u7a0b\u3001i\u8282\u70b9\u3001\u6587\u4ef6\u548c\u9501\u8868\u72b6\u6001
\u3000\u3000-w \u62a5\u544a\u7cfb\u7edf\u4ea4\u6362\u6d3b\u52a8\u72b6\u51b5
\u3000\u3000-y \u62a5\u544aTTY\u8bbe\u5907\u6d3b\u52a8\u72b6\u51b5\n\n\u3000\u3000sar\u662fSystem Activity Reporter\uff08\u7cfb\u7edf\u6d3b\u52a8\u60c5\u51b5\u62a5\u544a\uff09\u7684\u7f29\u5199\u3002\u987e\u540d\u601d\u4e49\uff0csar\u5de5\u5177\u5c06\u5bf9\u7cfb\u7edf\u5f53\u524d\u7684\u72b6\u6001\u8fdb\u884c\u53d6\u6837\uff0c\u7136\u540e\u901a\u8fc7\u8ba1\u7b97\u6570\u636e\u548c\u6bd4\u4f8b\u6765\u8868\u8fbe\u7cfb\u7edf\u7684\u5f53\u524d\u8fd0\u884c\u72b6\u6001\u3002\u5b83\u7684\u7279\u70b9\u662f\u53ef\u4ee5\u8fde\u7eed\u5bf9\u7cfb\u7edf\u53d6\u6837\uff0c\u83b7\u5f97\u5927\u91cf\u7684\u53d6\u6837\u6570\u636e\uff1b\u53d6\u6837\u6570\u636e\u548c\u5206\u6790\u7684\u7ed3\u679c\u90fd\u53ef\u4ee5\u5b58\u5165\u6587\u4ef6\uff0c\u6240\u9700\u7684\u8d1f\u8f7d\u5f88\u5c0f\u3002sar\u662f\u76ee\u524dLinux\u4e0a\u6700\u4e3a\u5168\u9762\u7684\u7cfb\u7edf\u6027\u80fd\u5206\u6790\u5de5\u5177\u4e4b\u4e00\uff0c\u53ef\u4ee5\u4ece14\u4e2a\u5927\u65b9\u9762\u5bf9\u7cfb\u7edf\u7684\u6d3b\u52a8\u8fdb\u884c\u62a5\u544a\uff0c\u5305\u62ec\u6587\u4ef6\u7684\u8bfb\u5199\u60c5\u51b5\u3001\u7cfb\u7edf\u8c03\u7528\u7684\u4f7f\u7528\u60c5\u51b5\u3001\u4e32\u53e3\u3001CPU\u6548\u7387\u3001\u5185\u5b58\u4f7f\u7528\u72b6\u51b5\u3001\u8fdb\u7a0b\u6d3b\u52a8\u53caIPC\u6709\u5173\u7684\u6d3b\u52a8\u7b49\uff0c\u4f7f\u7528\u4e5f\u662f\u8f83\u4e3a\u590d\u6742\u3002
\u3000\u3000sar\u7684\u8bed\u6cd5\u5982\u4e0b\uff1a\n\nsar [-option] [-o file] t [n]\n\n\u3000\u3000\u5b83\u7684\u542b\u4e49\u662f\u6bcf\u9694t\u79d2\u53d6\u6837\u4e00\u6b21\uff0c\u5171\u53d6\u6837n\u6b21\u3002\u5176\u4e2d-o file\u8868\u793a\u53d6\u6837\u7ed3\u679c\u5c06\u4ee5\u4e8c\u8fdb\u5236\u5f62\u5f0f\u5b58\u5165\u6587\u4ef6file\u4e2d\u3002\n\n\u3000\u3000\u53e6\u4e00\u79cd\u8bed\u6cd5\u5982\u4e0b\uff1a
sar [-option] [-s time] [-e time] [-i sec] [-f file]\n\n\u3000\u3000\u542b\u4e49\u662f\u8868\u793a\u4ecefile\u6587\u4ef6\u4e2d\u53d6\u51fa\u6570\u636e\uff0c\u5982\u679c\u6ca1\u6709\u6307\u5b9a-f file\uff0c\u5219\u4ece\u6807\u51c6\u6570\u636e\u6587\u4ef6\/var\/adm\/sa\/sadd\u53d6\u6570\u636e\uff0c\u5176\u4e2ddd\u8868\u793a\u5f53\u524d\u5929\u3002\u53e6\u5916\uff0c-s time\u8868\u793a\u8d77\u59cb\u65f6\u95f4\uff1b-e time\u8868\u793a\u505c\u6b62\u65f6\u95f4\uff1b-i sec\u8868\u793a\u53d6\u6837\u7684\u65f6\u95f4\u95f4\u9694\uff0c\u5982\u679c\u4e0d\u6307\u5b9a\u5219\u8868\u793a\u53d6\u6587\u4ef6\u4e2d\u6240\u6709\u7684\u6570\u636e\u3002\u5bf9\u4e8e\u5177\u4f53\u7684\u9009\u9879\u53c2\u89c1\u88681\u3002
\u4f8b:
\n\n[ssj@main ~]$ sar -q -u
Linux 2.6.31.9-174.fc12.x86_64 (main.kumouse.com) 2009\u5e7412\u670830\u65e5 _x86_64_ (2 CPU)\n\n11\u65f601\u520654\u79d2 LINUX RESTART\n\n11\u65f610\u520601\u79d2 CPU %user %nice %system %iowait %steal %idle
11\u65f620\u520601\u79d2 all 1.58 0.00 19.17 0.25 0.00 79.00
11\u65f630\u520601\u79d2 all 1.81 0.00 10.80 0.72 0.00 86.68
11\u65f640\u520601\u79d2 all 3.40 0.00 4.06 0.72 0.00 91.81
11\u65f650\u520601\u79d2 all 3.61 0.00 3.95 0.02 0.00 92.42
12\u65f600\u520601\u79d2 all 1.72 0.00 4.17 0.07 0.00 94.04
12\u65f610\u520601\u79d2 all 0.91 0.00 5.69 0.03 0.00 93.36
12\u65f620\u520601\u79d2 all 2.63 0.00 4.80 0.03 0.00 92.54
12\u65f630\u520601\u79d2 all 5.35 0.37 4.83 3.38 0.00 86.07
12\u65f640\u520601\u79d2 all 2.60 0.00 3.44 0.04 0.00 93.92
12\u65f650\u520601\u79d2 all 4.07 0.00 4.24 0.01 0.00 91.68
\u5e73\u5747\u65f6\u95f4: all 2.77 0.04 6.52 0.53 0.00 90.15\n\n11\u65f610\u520601\u79d2 runq-sz plist-sz ldavg-1 ldavg-5 ldavg-15
11\u65f620\u520601\u79d2 0 312 0.16 0.33 0.38
11\u65f630\u520601\u79d2 0 324 0.05 0.13 0.24
11\u65f640\u520601\u79d2 1 326 0.03 0.04 0.13
11\u65f650\u520601\u79d2 0 325 0.07 0.03 0.07
12\u65f600\u520601\u79d2 0 313 0.03 0.01 0.01
12\u65f610\u520601\u79d2 0 316 0.00 0.00 0.00
12]]\n>\n<\/p>\n","protected":false},"excerpt":{"rendered":"top free ps time\u8fd9\u56db\u4e2a\u5c31\u4e0d\u591a\u8bf4\u4e86 ============================== […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-166","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=166"}],"version-history":[{"count":0,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=\/wp\/v2\/posts\/166\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kumouse.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}