{"id":3030,"date":"2019-04-03T11:43:13","date_gmt":"2019-04-03T03:43:13","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=3030"},"modified":"2019-04-03T12:11:47","modified_gmt":"2019-04-03T04:11:47","slug":"linux%e4%bd%bf%e7%94%a8%e7%ac%94%e8%ae%b0-%e5%ae%9a%e5%88%b6core-dump%e6%96%87%e4%bb%b6%e7%9a%84%e6%96%87%e4%bb%b6%e5%90%8d","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/3030","title":{"rendered":"Linux\u4f7f\u7528\u7b14\u8bb0: \u5b9a\u5236core dump\u6587\u4ef6\u7684\u6587\u4ef6\u540d\uff08\u4eb2\u6d4b\u6709\u6548\uff09"},"content":{"rendered":"<header class=\"entry-header\">\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u4e00\u4e2aLinux\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7core\u6587\u4ef6\u6765\u5206\u6790\u5b83\u5f02\u5e38\u7684\u8be6\u7ec6\u539f\u56e0\u3002\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0cLinux\u5728\u7a0b\u5e8f\u5f02\u5e38\u65f6\u4e0d\u4ea7\u751fcore\u6587\u4ef6\uff0c\u8981\u60f3\u8ba9\u7a0b\u5e8f\u5f02\u5e38\u9000\u51fa\u65f6\u4ea7\u751fcore dump\u6587\u4ef6\uff0c\u9700\u8981\u4f7f\u7528<span class=\"command\" style=\"font-size: 16px;\"><strong>ulimit<\/strong><\/span><span style=\"font-size: 16px;\">\u547d\u4ee4\u66f4\u6539coredump\u7684\u8bbe\u7f6e\uff1a<\/span><\/header>\n<div class=\"entry-content\">\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\">ulimit -c unlimited<\/pre>\n<p>\u4e0a\u9762\u7684\u547d\u4ee4\u8868\u793a\u5728\u7a0b\u5e8f\u5f02\u5e38\u65f6\u4ea7\u751fcore dump\u6587\u4ef6\uff0c\u5e76\u4e14\u4e0d\u5bf9core dump\u6587\u4ef6\u7684\u5927\u5c0f\u8fdb\u884c\u9650\u5236\u3002<\/p>\n<p>\u4e0a\u8ff0\u8bbe\u7f6e\u53ea\u662f\u4f7f\u80fd\u4e86core dump\u529f\u80fd\uff0c\u7f3a\u7701\u60c5\u51b5\u4e0b\uff0c\u5185\u6838\u5728coredump\u65f6\u6240\u4ea7\u751f\u7684core\u6587\u4ef6\u653e\u5728\u4e0e\u8be5\u7a0b\u5e8f\u76f8\u540c\u7684\u76ee\u5f55\u4e2d\uff0c\u5e76\u4e14\u6587\u4ef6\u540d\u56fa\u5b9a\u4e3a<span class=\"emphasis\"><em>core<\/em><\/span>\u3002\u5f88\u663e\u7136\uff0c\u5982\u679c\u6709\u591a\u4e2a\u7a0b\u5e8f\u4ea7\u751fcore\u6587\u4ef6\uff0c\u6216\u8005\u540c\u4e00\u4e2a\u7a0b\u5e8f\u591a\u6b21\u5d29\u6e83\uff0c\u5c31\u4f1a\u91cd\u590d\u8986\u76d6\u540c\u4e00\u4e2acore\u6587\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u901a\u8fc7\u4fee\u6539kernel\u7684\u53c2\u6570\uff0c\u53ef\u4ee5\u6307\u5b9a\u5185\u6838\u6240\u751f\u6210\u7684coredump\u6587\u4ef6\u7684\u6587\u4ef6\u540d\u3002\u4f8b\u5982\uff0cEaswy\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\u4f7fkernel\u751f\u6210\u540d\u5b57\u4e3a<span class=\"emphasis\"><em>core.filename.pid<\/em><\/span>\u683c\u5f0f\u7684core dump\u6587\u4ef6\uff1a<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"null\">echo 'core.%e.%p' | sudo tee \/proc\/sys\/kernel\/core_pattern<\/pre>\n<p>\u8fd9\u6837\u914d\u7f6e\u540e\uff0c\u4ea7\u751f\u7684core\u6587\u4ef6\u4e2d\u5c06\u5e26\u6709\u5d29\u6e83\u7684\u7a0b\u5e8f\u540d\u3001\u4ee5\u53ca\u5b83\u7684\u8fdb\u7a0bID\u3002\u4e0a\u9762\u7684<span class=\"bold\"><strong>%e<\/strong><\/span>\u548c<span class=\"bold\"><strong>%p<\/strong><\/span>\u4f1a\u88ab\u66ff\u6362\u6210\u7a0b\u5e8f\u6587\u4ef6\u540d\u4ee5\u53ca\u8fdb\u7a0bID\u3002<\/p>\n<p>\u53ef\u4ee5\u5728core_pattern\u6a21\u677f\u4e2d\u4f7f\u7528\u53d8\u91cf\u8fd8\u5f88\u591a\uff0c\u89c1\u4e0b\u9762\u7684\u5217\u8868\uff1a<\/p>\n<div class=\"itemizedlist\">\n<ul type=\"disc\">\n<li>%% \u5355\u4e2a%\u5b57\u7b26<\/li>\n<li>%p \u6240dump\u8fdb\u7a0b\u7684\u8fdb\u7a0bID<\/li>\n<li>%u \u6240dump\u8fdb\u7a0b\u7684\u5b9e\u9645\u7528\u6237ID<\/li>\n<li>%g \u6240dump\u8fdb\u7a0b\u7684\u5b9e\u9645\u7ec4ID<\/li>\n<li>%s \u5bfc\u81f4\u672c\u6b21core dump\u7684\u4fe1\u53f7<\/li>\n<li>%t core dump\u7684\u65f6\u95f4 (\u75311970\u5e741\u67081\u65e5\u8ba1\u8d77\u7684\u79d2\u6570)<\/li>\n<li>%h \u4e3b\u673a\u540d<\/li>\n<li>%e \u7a0b\u5e8f\u6587\u4ef6\u540d<\/li>\n<\/ul>\n<\/div>\n<p>\u5982\u679c\u5728\u4e0a\u8ff0\u6587\u4ef6\u540d\u4e2d\u5305\u542b\u76ee\u5f55\u5206\u9694\u7b26&#8221;<strong>\/<\/strong>&#8220;\uff0c\u90a3\u4e48\u6240\u751f\u6210\u7684core\u6587\u4ef6\u5c06\u4f1a\u88ab\u653e\u5230\u6307\u5b9a\u7684\u76ee\u5f55\u4e2d\u3002<\/p>\n<p>\u9700\u8981\u8bf4\u660e\u7684\u662f\uff0c\u5728\u5185\u6838\u4e2d\u8fd8\u6709\u4e00\u4e2a\u4e0ecoredump\u76f8\u5173\u7684\u8bbe\u7f6e\uff0c\u5c31\u662f<span class=\"emphasis\"><em>\/proc\/sys\/kernel\/core_uses_pid<\/em><\/span>\u3002\u5982\u679c\u8fd9\u4e2a\u6587\u4ef6\u7684\u5185\u5bb9\u88ab\u914d\u7f6e\u62101\uff0c\u90a3\u4e48\u5373\u4f7fcore_pattern\u4e2d\u6ca1\u6709\u8bbe\u7f6e%p\uff0c\u6700\u540e\u751f\u6210\u7684core dump\u6587\u4ef6\u540d\u4ecd\u4f1a\u52a0\u4e0a\u8fdb\u7a0bID\u3002<\/p>\n<p>\u5bf9\u6240\u751f\u6210\u7684core dump\u8fdb\u7a0b\u5206\u6790\uff0c\u9700\u8981\u4f7f\u7528\u8c03\u8bd5\u5de5\u5177\uff0c\u4f8b\u5982GDB\u7b49\u3002\u53ef\u4ee5\u53c2\u89c1<a class=\"link\" href=\"https:\/\/blog.easwy.com\/\" target=\"_top\" rel=\"noopener noreferrer\">Easwy<\/a>\u7684\u5176\u5b83\u6587\u7ae0\u3002<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u4e00\u4e2aLinux\u7a0b\u5e8f\u5f02\u5e38\u9000<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[],"tags":[117],"class_list":["post-3030","post","type-post","status-publish","format-standard","hentry","tag-01-linux"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3030","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/comments?post=3030"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3030\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=3030"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=3030"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=3030"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}