{"id":2367,"date":"2023-02-27T13:02:26","date_gmt":"2023-02-27T05:02:26","guid":{"rendered":"https:\/\/www.eumz.com\/?p=2367"},"modified":"2023-02-27T13:02:26","modified_gmt":"2023-02-27T05:02:26","slug":"linux%e8%ae%a9cpu%e5%88%a9%e7%94%a8%e7%8e%87%e5%8d%a0%e6%bb%a1%e7%9a%84%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.wxcn.com\/?p=2367","title":{"rendered":"linux\u8ba9CPU\u5229\u7528\u7387\u5360\u6ee1\u7684\u547d\u4ee4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8ba9CPU\u5229\u7528\u7387\u5360\u6ee1\u7684\u547d\u4ee4\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">for i in `seq 1 $(cat \/proc\/cpuinfo |grep &#8220;physical id&#8221; |wc -l)`; do dd if=\/dev\/zero of=\/dev\/null &amp; done<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">cat \/proc\/cpuinfo |grep &#8220;physical id&#8221; | wc -l \u53ef\u4ee5\u83b7\u5f97CPU\u7684\u4e2a\u6570,\u3000\u6211\u4eec\u5c06\u5176\u8868\u793a\u4e3aN\u3002<br>seq 1 N \u7528\u6765\u751f\u6210\uff11\u5230N\u4e4b\u95f4\u7684\u6570\u5b57\uff0c<br>for i in <code>seq 1 N<\/code>; \u5c31\u662f\u5faa\u73af\u6267\u884c\u547d\u4ee4,\u4ece\uff11\u5230N\uff0c<br>dd if=\/dev\/zero of=\/dev\/null \u6267\u884cdd\u547d\u4ee4,\u3000\u8f93\u51fa\u5230\/dev\/null, \u5b9e\u9645\u4e0a\u53ea\u5360\u7528CPU\uff0c\u6ca1\u6709IO\u64cd\u4f5c\u3002<br>\u7531\u4e8e\u8fde\u7eed\u6267\u884cN\u4e2a(N\u662fCPU\u4e2a\u6570)\u7684dd \u547d\u4ee4, \u4e14\u4f7f\u7528\u7387\u4e3a100%\uff0c\u8fd9\u65f6\u8c03\u5ea6\u5668\u4f1a\u8c03\u5ea6\u6bcf\u4e2add\u547d\u4ee4\u5728\u4e0d\u540c\u7684CPU\u4e0a\u5904\u7406\u3002\u6700\u7ec8\u5c31\u5b9e\u73b0\u6240\u6709CPU\u5360\u7528\u7387100%\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6761\u547d\u4ee4\u4f1a\u518d\u540e\u53f0\u53bb\u6267\u884c\uff0c\u5982\u679c\u60f3\u4e2d\u65ad\u8fd9\u6761\u547d\u4ee4\uff0c\u53ef\u4ee5\u6267\u884c\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. fg \u540e\u6309 ctrl + c \uff08\u56e0\u4e3a\u8be5\u547d\u4ee4\u662f\u653e\u5728\u540e\u53f0\u6267\u884c\uff09<br>2. pkill -9 dd<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">fg\u547d\u4ee4\u53ef\u5c06\u540e\u53f0\u547d\u4ee4\u6062\u590d\u5230\u524d\u53f0\u6267\u884c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u547d\u4ee4\u5728\u5f88\u591a\u573a\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u8ba9CPU\u5229\u7528\u7387\u5360\u6ee1\u7684\u547d\u4ee4\uff1a for i in `seq 1 $(cat \/proc\/cp [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[79,183],"class_list":["post-2367","post","type-post","status-publish","format-standard","hentry","category-operating-system","tag-cpu-2","tag-linux-2"],"_links":{"self":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/2367","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2367"}],"version-history":[{"count":0,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=\/wp\/v2\/posts\/2367\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2367"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2367"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wxcn.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2367"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}