{"id":5929,"date":"2016-09-30T11:56:06","date_gmt":"2016-09-30T03:56:06","guid":{"rendered":"http:\/\/jpuyy.com\/?p=5929"},"modified":"2016-09-30T11:56:06","modified_gmt":"2016-09-30T03:56:06","slug":"linux-taskset%e5%b0%86%e8%bf%9b%e7%a8%8b%e6%8c%87%e5%ae%9acpu%e6%89%a7%e8%a1%8c","status":"publish","type":"post","link":"https:\/\/jpuyy.com\/?p=5929","title":{"rendered":"linux taskset\u5c06\u8fdb\u7a0b\u6307\u5b9acpu\u6267\u884c"},"content":{"rendered":"<p>\u4e24\u4e2a\u540d\u8bcd<br \/>\nSMP (Symmetrical Multi-Processing)\uff1a\u6307\u5728\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e0a\u6c47\u96c6\u4e86\u4e00\u7ec4\u5904\u7406\u5668(\u591aCPU)\uff0c\u5404CPU\u4e4b\u95f4\u5171\u4eab\u5185\u5b58\u5b50\u7cfb\u7edf\u4ee5\u53ca\u603b\u7ebf\u7ed3\u6784\u3002 [\u66f4\u591a&#8230;]<br \/>\nCPU affinity\uff1a\u4e2d\u6587\u5524\u4f5c\u201cCPU\u4eb2\u548c\u6027\u201d\uff0c\u662f\u6307\u5728CMP\u67b6\u6784\u4e0b\uff0c\u80fd\u591f\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u8fdb\u7a0b\u7ed1\u5b9a\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u8fd0\u884c\u3002[\u66f4\u591a&#8230;]<\/p>\n<p>\u8bf7\u5148\u786e\u5b9a\u4f60\u7684cpu\u6838\u5fc3\u53ca\u547d\u540d\uff08\u4f8b\u5982\u56db\u4e2a\u6838\u5fc3\uff1a0,1,2,3\uff09\uff1acat \/proc\/cpuinfo<br \/>\nJava\u4ee3\u7801 \u6536\u85cf\u4ee3\u7801<br \/>\ntaskset -cp 1 5200<br \/>\n#\u628aPID\u4e3a5200\u7684\u8fdb\u7a0b\u8fd0\u884c\u5230CPU#1\u4e0a<br \/>\n#\u4e5f\u53ef\u4ee5\u5728\u542f\u52a8\u8fdb\u7a0b\u65f6\u6307\u5b9a\uff1a<br \/>\ntaskset -c 1 \/etc\/init.d\/mysql start<\/p>\n<p>linux taskset\u547d\u4ee4\u8be6\u89e3<\/p>\n<p>SYNOPSIS<br \/>\ntaskset [options] [mask | list ] [pid | command [arg]&#8230;]<br \/>\nOPTIONS<br \/>\n-p, &#8211;pid<br \/>\noperate on an existing PID and not launch a new task<br \/>\n-c, &#8211;cpu-list<br \/>\nspecifiy a numerical list of processors instead of a bitmask.<br \/>\nThe list may contain multiple items, separated by comma, and<br \/>\nranges. For example, 0,5,7,9-11.<br \/>\n-h, &#8211;help<br \/>\ndisplay usage information and exit<br \/>\n-V, &#8211;version<br \/>\noutput version information and exit<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e24\u4e2a\u540d\u8bcd SMP (Symmetrical Multi-Processing)\uff1a\u6307\u5728\u4e00\u4e2a\u8ba1\u7b97\u673a\u4e0a\u6c47\u96c6\u4e86\u4e00\u7ec4\u5904\u7406\u5668(\u591aCPU)\uff0c\u5404CPU\u4e4b\u95f4\u5171\u4eab\u5185\u5b58\u5b50\u7cfb\u7edf\u4ee5\u53ca\u603b\u7ebf\u7ed3\u6784\u3002 [\u66f4\u591a&#8230;] CPU affinity\uff1a\u4e2d\u6587\u5524\u4f5c\u201cCPU\u4eb2\u548c\u6027\u201d\uff0c\u662f\u6307\u5728CMP\u67b6\u6784\u4e0b\uff0c\u80fd\u591f\u5c06\u4e00\u4e2a\u6216\u591a\u4e2a\u8fdb\u7a0b\u7ed1\u5b9a\u5230\u4e00\u4e2a\u6216\u591a\u4e2a\u5904\u7406\u5668\u4e0a\u8fd0\u884c\u3002[\u66f4\u591a&#8230;] \u8bf7\u5148\u786e\u5b9a\u4f60\u7684cpu\u6838\u5fc3\u53ca\u547d\u540d\uff08\u4f8b\u5982\u56db\u4e2a\u6838\u5fc3\uff1a0,1,2,3\uff09\uff1acat \/proc\/cpuinfo Java\u4ee3\u7801 \u6536\u85cf\u4ee3\u7801 taskset -cp 1 5200 #\u628aPID\u4e3a5200\u7684\u8fdb\u7a0b\u8fd0\u884c\u5230CPU#1\u4e0a #\u4e5f\u53ef\u4ee5\u5728\u542f\u52a8\u8fdb\u7a0b\u65f6\u6307\u5b9a\uff1a taskset -c 1 \/etc\/init.d\/mysql start linux taskset\u547d\u4ee4\u8be6\u89e3 SYNOPSIS taskset [options] [mask | list ] [pid | command [arg]&#8230;] OPTIONS -p, &#8211;pid operate on an existing PID and not launch a new task -c, &#8211;cpu-list specifiy a numerical list [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-5929","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5929","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5929"}],"version-history":[{"count":1,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5929\/revisions"}],"predecessor-version":[{"id":5930,"href":"https:\/\/jpuyy.com\/index.php?rest_route=\/wp\/v2\/posts\/5929\/revisions\/5930"}],"wp:attachment":[{"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5929"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5929"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpuyy.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5929"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}