{"id":51506,"date":"2024-12-03T08:26:00","date_gmt":"2024-12-03T00:26:00","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51506\/"},"modified":"2024-12-03T08:26:00","modified_gmt":"2024-12-03T00:26:00","slug":"%e8%b0%83%e6%9f%a5%e5%92%8c%e5%a4%84%e7%90%86linux%e7%b3%bb%e7%bb%9f%e4%b8%adcpu%e5%92%8csys%e5%88%a9%e7%94%a8%e7%8e%87%e8%bf%87%e9%ab%98","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51506\/","title":{"rendered":"\u8c03\u67e5\u548c\u5904\u7406Linux\u7cfb\u7edf\u4e2dCPU\u548cSys\u5229\u7528\u7387\u8fc7\u9ad8"},"content":{"rendered":"

<\/b> <\/p>\n

\u8c03\u67e5\u548c\u5904\u7406Linux\u7cfb\u7edf\u4e2dCPU\u548cSys\u5229\u7528\u7387\u8fc7\u9ad8<\/h1>\n

\u7c73\u4e91\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

\u6807\u9898\uff1aLinux\u7cfb\u7edf\u4e2dCPU\u548cSys\u5360\u7528\u8fc7\u9ad8\u7684\u8c03\u67e5\u4e0e\u5e94\u5bf9<\/p>\n

\u5728Linux\u7cfb\u7edf\u4e2d\uff0cCPU\u548cSys\u5360\u7528\u8fc7\u9ad8\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u8fdb\u884c\u8bca\u65ad\u548c\u5e94\u5bf9CPU\u548cSys\u5360\u7528\u8fc7\u9ad8\u7684\u95ee\u9898\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u95ee\u9898\u5206\u6790<\/h2>\n

CPU\u5360\u7528\u8fc7\u9ad8\u53ef\u80fd\u662f\u7531\u4e8e\u7cfb\u7edf\u4e2d\u67d0\u4e2a\u8fdb\u7a0b\u6d88\u8017\u4e86\u8fc7\u591a\u7684\u8ba1\u7b97\u8d44\u6e90\uff0c\u5bfc\u81f4\u7cfb\u7edf\u8d1f\u8f7d\u8fc7\u9ad8\u3002Sys\u5360\u7528\u8fc7\u9ad8\u53ef\u80fd\u662f\u7531\u4e8e\u7cfb\u7edf\u8c03\u7528\u9891\u7e41\u6216\u8005\u5185\u6838\u6a21\u5757\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n

\u8c03\u67e5\u65b9\u6cd5<\/h2>\n

\u67e5\u770b\u7cfb\u7edf\u8d1f\u8f7d<\/h3>\n

\u53ef\u4ee5\u4f7f\u7528top<\/code>\u547d\u4ee4\u6216htop<\/code>\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u5305\u62ecCPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u7387\u548c\u8fdb\u7a0b\u4fe1\u606f\u3002<\/p>\n

top<\/pre>\n
\u67e5\u770bCPU\u5360\u7528\u60c5\u51b5<\/h3>\n
\u4f7f\u7528top<\/code>\u547d\u4ee4\u6216ps<\/code>\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e2dCPU\u5360\u7528\u8f83\u9ad8\u7684\u8fdb\u7a0b\u3002<\/p>\n
top -c<\/pre>\n
\u67e5\u770bSys\u8c03\u7528\u60c5\u51b5<\/h3>\n
\u4f7f\u7528strace<\/code>\u547d\u4ee4\u8ddf\u8e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u67e5\u770b\u7cfb\u7edf\u8c03\u7528\u7684\u9891\u7387\u548c\u6267\u884c\u65f6\u95f4\u3002<\/p>\n
strace -p <pid><\/pre>\n
\u67e5\u770b\u5185\u6838\u65e5\u5fd7<\/h3>\n
\u67e5\u770b\u7cfb\u7edf\u7684\u5185\u6838\u65e5\u5fd7\uff0c\u68c0\u67e5\u662f\u5426\u6709\u76f8\u5173\u7684\u9519\u8bef\u6216\u8b66\u544a\u4fe1\u606f\u3002<\/p>\n
dmesg<\/pre>\n
\u89e3\u51b3\u65b9\u6cd5<\/h2>\n
\u7ec8\u6b62\u5360\u7528CPU\u8fc7\u9ad8\u7684\u8fdb\u7a0b<\/h3>\n
\u53ef\u4ee5\u4f7f\u7528kill<\/code>\u547d\u4ee4\u7ec8\u6b62CPU\u5360\u7528\u8fc7\u9ad8\u7684\u8fdb\u7a0b\u3002<\/p>\n
kill -9 <pid><\/pre>\n
\u4f18\u5316\u4ee3\u7801<\/h3>\n
\u5bf9CPU\u5360\u7528\u8fc7\u9ad8\u7684\u8fdb\u7a0b\u8fdb\u884c\u6027\u80fd\u4f18\u5316\uff0c\u51cf\u5c11\u8ba1\u7b97\u91cf\u6216\u8005\u4f18\u5316\u7b97\u6cd5\u3002<\/p>\n
\u5347\u7ea7\u5185\u6838<\/h3>\n
\u6709\u65f6\u5019Sys\u5360\u7528\u8fc7\u9ad8\u662f\u7531\u4e8e\u5185\u6838\u6a21\u5757\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5347\u7ea7\u5185\u6838\u5e76\u91cd\u542f\u7cfb\u7edf\u3002<\/p>\n
\u8c03\u6574\u7cfb\u7edf\u53c2\u6570<\/h3>\n
\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/proc\/sys\/<\/code>\u76ee\u5f55\u4e0b\u7684\u53c2\u6570\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4f8b\u5982\u8c03\u6574\u5185\u5b58\u5206\u914d\u3001\u8c03\u5ea6\u7b56\u7565\u7b49\u3002<\/p>\n
\u603b\u7ed3<\/h2>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u9488\u5bf9Linux\u7cfb\u7edf\u4e2dCPU\u548cSys\u5360\u7528\u8fc7\u9ad8\u7684\u95ee\u9898\u8fdb\u884c\u8c03\u67e5\u548c\u5e94\u5bf9\uff0c\u786e\u4fdd\u7cfb\u7edf\u8fd0\u884c\u7a33\u5b9a\u3002\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u8c03\u67e5\u65b9\u6cd5\u548c\u5904\u7406\u65b9\u5f0f\uff0c\u53ca\u65f6\u89e3\u51b3\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n
\u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u8c03\u67e5\u548c\u5904\u7406Linux\u7cfb\u7edf\u4e2dCPU\u548cSys\u5229\u7528\u7387\u8fc7\u9ad8\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u8c03\u4f18,CPU,sys\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
\n
<\/dt>\n
\n   \u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
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\u53ef\u4ee5\u4f7f\u7528top\u547d\u4ee4\u6216htop\u547d\u4ee4\u67e5\u770b\u7cfb\u7edf\u7684\u8d1f\u8f7d\u60c5\u51b5\uff0c\u5305\u62ecCPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u4f7f\u7528\u7387\u548c\u8fdb\u7a0b\u4fe1\u606f\u3002 top \u67e5\u770bCPU\u5360\u7528\u60c5\u51b5 \u4f7f\u7528top\u547d\u4ee4\u6216ps\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e2dCPU\u5360\u7528\u8f83\u9ad8\u7684\u8fdb\u7a0b\u3002 top -c \u67e5\u770bSys\u8c03\u7528\u60c5\u51b5 \u4f7f\u7528strace\u547d\u4ee4\u8ddf\u8e2a\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\uff0c\u67e5\u770b\u7cfb\u7edf\u8c03\u7528\u7684\u9891\u7387\u548c\u6267\u884c\u65f6\u95f4\u3002 strace -p <pid> \u67e5\u770b\u5185\u6838\u65e5\u5fd7 \u67e5\u770b\u7cfb\u7edf\u7684\u5185\u6838\u65e5\u5fd7\uff0c\u68c0\u67e5\u662f\u5426\u6709\u76f8\u5173\u7684\u9519\u8bef\u6216\u8b66\u544a\u4fe1\u606f\u3002 dmesg \u89e3\u51b3\u65b9\u6cd5 \u7ec8\u6b62\u5360\u7528CPU\u8fc7\u9ad8\u7684\u8fdb\u7a0b \u53ef\u4ee5\u4f7f\u7528kill\u547d\u4ee4\u7ec8\u6b62CPU\u5360\u7528\u8fc7\u9ad8\u7684\u8fdb\u7a0b\u3002 kill -9 <pid> \u4f18\u5316\u4ee3\u7801 \u5bf9CPU\u5360\u7528\u8fc7\u9ad8\u7684\u8fdb\u7a0b\u8fdb\u884c\u6027\u80fd\u4f18\u5316\uff0c\u51cf\u5c11\u8ba1\u7b97\u91cf\u6216\u8005\u4f18\u5316\u7b97\u6cd5\u3002 \u5347\u7ea7\u5185\u6838 \u6709\u65f6\u5019Sys\u5360\u7528\u8fc7\u9ad8\u662f\u7531\u4e8e\u5185\u6838\u6a21\u5757\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u5c1d\u8bd5\u5347\u7ea7\u5185\u6838\u5e76\u91cd\u542f\u7cfb\u7edf\u3002 \u8c03\u6574\u7cfb\u7edf\u53c2\u6570 \u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\/proc\/sys\/\u76ee\u5f55\u4e0b\u7684\u53c2\u6570\u6765\u4f18\u5316\u7cfb\u7edf\u7684\u6027\u80fd\uff0c\u4f8b\u5982\u8c03\u6574\u5185\u5b58\u5206\u914d\u3001\u8c03\u5ea6\u7b56\u7565\u7b49\u3002 \u603b\u7ed3 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\u6574\u7406MySQL\u5b66\u4e60\u7684\u65b9\u6cd5\u548c\u6280\u5de7<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-51506","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51506","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=51506"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51506\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}