{"id":130124,"date":"2023-02-27T20:49:30","date_gmt":"2023-02-27T12:49:30","guid":{"rendered":"http:\/\/www.idc.net\/help\/130124\/"},"modified":"2023-02-27T20:49:30","modified_gmt":"2023-02-27T12:49:30","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-linux-%e4%b8%ad-dump-%e6%9f%90%e4%b8%aa%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%86%85%e5%ad%98-linux-dump-%e6%9f%90%e4%b8%aa%e8%bf%9b%e7%a8%8b%e7%9a%84%e5%86%85%e5%ad%98","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/130124\/","title":{"rendered":"\u5982\u4f55\u5728 Linux \u4e2d dump \u67d0\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58 (linux dump \u67d0\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58)"},"content":{"rendered":"<p>\u5728 Linux \u7cfb\u7edf\u4e2d\uff0cdump \u4e00\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\uff0c\u662f\u4e00\u4ef6\u76f8\u5bf9\u7b80\u5355\u7684\u4e8b\u60c5\u3002dump \u8fd9\u4e2a\u8bcd\u8bed\u7684\u610f\u601d\u662f\u6307\u5c06\u4e00\u4e2a\u8fdb\u7a0b\u5360\u7528\u7684\u5185\u5b58\uff0c\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u4fdd\u5b58\u4e0b\u6765\u3002\u8fd9\u4e2a\u6587\u4ef6\u91cc\u9762\u4f1a\u5305\u542b\u6709\u8fd9\u4e2a\u8fdb\u7a0b\u7684\u6240\u6709\u5185\u5b58\u6570\u636e\uff0c\u5305\u62ec\u4ee3\u7801\u3001\u6570\u636e\u3001\u53d8\u91cf\u7b49\u7b49\u3002<\/p>\n<p>\u672c\u6587\u5c06\u5411\u60a8\u4ecb\u7ecd\u5982\u4f55\u5728 Linux \u7cfb\u7edf\u4e2d\uff0cdump \u4e00\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u3002\u6211\u4eec\u5c06\u4f7f\u7528 gdb \u5de5\u5177\u548c gcore \u547d\u4ee4\u6765\u5b8c\u6210\u8fd9\u4e2a\u64cd\u4f5c\u3002<\/p>\n<p>\u6b65\u9aa41\uff1a\u5b89\u88c5 gdb \u5de5\u5177<\/p>\n<p>gdb \u5de5\u5177\u662f\u4e00\u4e2a\u7528\u4e8e\u8c03\u8bd5 Linux \u7a0b\u5e8f\u7684\u5de5\u5177\uff0c\u6211\u4eec\u9700\u8981\u5148\u5b89\u88c5\u5b83\u3002\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo apt-get install gdb<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u901a\u8fc7 apt \u5305\u7ba1\u7406\u5668\uff0c\u81ea\u52a8\u5b89\u88c5 gdb \u5de5\u5177\u3002\u5f53\u7136\uff0c\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662f\u5176\u4ed6\u7684 Linux \u53d1\u884c\u7248\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u76f8\u5e94\u7684\u5305\u7ba1\u7406\u5668\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<p>\u6b65\u9aa42\uff1a\u542f\u52a8\u8981 dump \u7684\u8fdb\u7a0b<\/p>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u9700\u8981\u5148\u542f\u52a8\u8981 dump \u7684\u8fdb\u7a0b\u3002\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>.\/myProcess<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u542f\u52a8\u4e00\u4e2a\u540d\u4e3a myProcess \u7684\u8fdb\u7a0b\uff0c\u60a8\u9700\u8981\u5728\u7ec8\u7aef\u4e2d\u4fdd\u6301\u8fd9\u4e2a\u8fdb\u7a0b\u5728\u8fd0\u884c\u72b6\u6001\u3002<\/p>\n<p>\u6b65\u9aa43\uff1a\u5728 gdb \u4e2d\u8fd0\u884c\u8fdb\u7a0b<\/p>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u9700\u8981\u901a\u8fc7 gdb \u5de5\u5177\u6765\u8fd0\u884c\u60a8\u8981 dump \u7684\u8fdb\u7a0b\u3002\u5728\u7ec8\u7aef\u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>gdb myProcess<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u5c06 gdb \u5de5\u5177\u4e0e myProcess \u8fdb\u7a0b\u5173\u8054\uff0c\u5728 gdb \u4e2d\u53ef\u4ee5\u8c03\u8bd5\u548c\u63a7\u5236\u8fd9\u4e2a\u8fdb\u7a0b\u3002\u5728 gdb \u4e2d\u7684\u63d0\u793a\u7b26\uff08gdb&gt;) \u4e0b\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u8fd0\u884c\u8fd9\u4e2a\u8fdb\u7a0b\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>run<\/p>\n<p>\u201c`<\/p>\n<p>\u5982\u679c\u60a8\u7684\u8fdb\u7a0b\u542f\u52a8\u9700\u8981\u4f20\u9012\u53c2\u6570\uff0c\u53ef\u4ee5\u5728 run \u547d\u4ee4\u540e\u9762\u6dfb\u52a0\u8fd9\u4e9b\u53c2\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>run -arg1 -arg2<\/p>\n<p>\u201c`<\/p>\n<p>\u6b65\u9aa44\uff1a\u5728 gdb \u4e2d dump \u8fdb\u7a0b\u7684\u5185\u5b58<\/p>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u9700\u8981\u4f7f\u7528 gdb \u7684 gcore \u547d\u4ee4\u6765 dump \u8fdb\u7a0b\u7684\u5185\u5b58\u3002\u5728 gdb \u4e2d\u8fd0\u884c\u60a8\u8981 dump \u7684\u8fdb\u7a0b\uff0c\u7136\u540e\u5728 gdb \u63d0\u793a\u7b26\u4e0b\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>gcore [\u6587\u4ef6\u540d]<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a dump \u5f53\u524d\u8fdb\u7a0b\u7684\u5185\u5b58\uff0c\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5230\u6307\u5b9a\u7684\u6587\u4ef6\u4e2d\u3002\u5982\u679c\u60a8\u6ca1\u6709\u6307\u5b9a\u6587\u4ef6\u540d\uff0c\u5b83\u4f1a\u4f7f\u7528\u9ed8\u8ba4\u7684\u6587\u4ef6\u540d core.pid\uff0c\u5176\u4e2d pid \u662f\u8fdb\u7a0b\u7684 ID \u53f7\u3002\u4f8b\u5982\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>gcore memory_dump<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u5c06\u8fdb\u7a0b\u7684\u5185\u5b58 dump \u5230\u4e00\u4e2a\u540d\u4e3a memory_dump \u7684\u6587\u4ef6\u4e2d\u3002<\/p>\n<p>\u6b65\u9aa45\uff1a\u9000\u51fa gdb<\/p>\n<p>\u5728\u8fd9\u4e2a\u6b65\u9aa4\u4e2d\uff0c\u60a8\u9700\u8981\u9000\u51fa gdb \u5de5\u5177\u3002\u5728 gdb \u4e2d\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>quit<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u9000\u51fa gdb \u5de5\u5177\uff0c\u5e76\u8fd4\u56de\u5230\u7ec8\u7aef\u4e2d\u3002<\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u5730\u5728 Linux \u7cfb\u7edf\u4e2d\uff0c\u4f7f\u7528 gdb \u5de5\u5177\u548c gcore \u547d\u4ee4\uff0cdump \u4e86\u4e00\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u3002\u901a\u8fc7\u8fd9\u4e2a\u6280\u672f\uff0c\u60a8\u53ef\u4ee5\u67e5\u770b\u4e00\u4e2a\u8fdb\u7a0b\u7684\u6240\u6709\u5185\u5b58\u6570\u636e\uff0c\u5e2e\u52a9\u60a8\u8fdb\u884c\u7a0b\u5e8f\u8c03\u8bd5\u548c\u6545\u969c\u6392\u67e5\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>Linux\u4e0b\u5982\u4f55\u67e5\u770b\u54ea\u4e2a\u8fdb\u7a0b\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u591a<\/li>\n<li>\u600e\u6837\u7528linux\u547d\u4ee4\u6765\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/li>\n<\/ul>\n<h3>Linux\u4e0b\u5982\u4f55\u67e5\u770b\u54ea\u4e2a\u8fdb\u7a0b\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u591a<\/h3>\n<p>linux\u4e0b\u83b7\u53d6\u5360\u7528CPU\u8d44\u4e16\u8086\u6e90\u6700\u591a\u768410\u4e2a\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u7ec4\u5408\uff1a<\/p>\n<p>ps aux|head -1;ps aux|grep -v PID|sort -rn -k +3|head<\/p>\n<p>linux\u4e0b\u83b7\u53d6\u5360\u7528\u5185\u5b58\u8d44\u6e90\u6700\u591a\u768410\u4e2a\u8fdb\u65cf\u88e4\u7a0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u547d\u4ee4\u7ec4\u5408\uff1a<\/p>\n<p>ps aux|head -1;ps aux|grep -v PID|sort -rn -k +4|head<\/p>\n<p>\u547d\u4ee4\u7ec4\u5408\u89e3\u6790\uff08\u9488\u5bf9CPU\u7684\u5146\u8fd4\u7b80\uff0cMEN\u4e5f\u540c\u6837\u9053\u7406\uff09\uff1a<\/p>\n<p>ps aux|head -1;ps aux|grep -v PID|sort -rn -k +3|head<\/p>\n<p>\u8be5\u547d\u4ee4\u7ec4\u5408\u5b9e\u9645\u4e0a\u662f\u4e0b\u9762\u4e24\u53e5\u547d\u4ee4\uff1a<\/p>\n<p>ps aux|head -1<\/p>\n<p>ps aux|grep -v PID|sort -rn -k +3|head<\/p>\n<h3>\u600e\u6837\u7528linux\u547d\u4ee4\u6765\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5<\/h3>\n<p>1)\u67e5\u770bRAM\u4f7f\u7528\u60c5\u51b5\u6700\u7b80\u5355\u7684\u65b9\u6cd5\u662f\u901a\u8fc7 \/proc\/meminfo\u3002\u8fd9\u4e2a\u52a8\u6001\u66f4\u65b0\u7684\u865a\u62df\u6587\u4ef6\u5b9e\u9645\u4e0a\u662f\u8bb8\u591a\u5176\u4ed6\u5185\u5b58\u76f8\u5173\u5de5\u5177(\u5982\uff1afree\/ps\/top)\u7b49\u7684\u7ec4\u5408\u663e\u793a\u3002\/proc\/meminfo\u5217\u51fa\u4e86\u6240\u6709\u4f60\u60f3\u4e86\u89e3\u7684\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n<p>$ cat \/proc\/meminfo<\/p>\n<p>2)free\u547d\u4ee4\u662f\u4e00\u4e2a\u5feb\u901f\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u65b9\u6cd5\uff0c\u5b83\u662f\u5bf9 \/proc\/meminfo \u6536\u96c6\u5230\u7684\u4fe1\u606f\u7684\u4e00\u4e2a\u6982\u8ff0\u3002<\/p>\n<p>3)ps\u547d\u4ee4\u53ef\u6089\u68ee\u4ee5\u663e\u793a\u5404\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3001\u4ee5\u53ca\u66f4\u8be6\u7ec6\u7684\u7269\u7406\u5185\u5b58\u4f7f\u8fa9\u7f69\u7528\u60c5\u51b5\u548c\u865a\u62df\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u7741\u7076\u4ea9\u4f60\u53ef\u4ee5\u4f7f\u7528 \u201c\u2013sort\u201d\u9009\u9879\u5bf9\u8fdb\u7a0b\u8fdb\u884c\u6392\u5e8f\uff0c\u4f8b\u5982\u6309RSS\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n<p>$ ps aux \u2013sort -rss<\/p>\n<p>4)top\u547d\u4ee4\u663e\u793a\u4e86\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u5b9e\u65f6\u4f7f\u7528\u7387\u3002\u5b83\u63d0\u4f9b\u4e86\u6240\u6709\u8fdb\u7a0b\u7684\u5e38\u9a7b\u5185\u5b58\u5927\u5c0f\u3001\u7a0b\u5e8f\u603b\u5185\u5b58\u5927\u5c0f\u3001\u5171\u4eab\u5e93\u5927\u5c0f\u7b49\u7684\u62a5\u544a\u3002<\/p>\n<p>\u5185\u5b58\u4e0d\u8db3\u5224\u51b2\u65f6\uff0c\u6559\u4f60\u600e\u4e48\u4f0f\u4e4e\u67e5\u770blinux\u5185\u5b58\u5927\u5c0f\u548c\u8fdb\u7a0b\u5360\u7528\u5185\u6398\u5385\u6b7c\u5b58\u5927\u5c0f<\/p>\n<p>\u5173\u4e8elinux dump \u67d0\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\u7684\u4ecb\u7ecd\u5230\u6b64\u5c31\u7ed3\u675f\u4e86\uff0c\u4e0d\u77e5\u9053\u4f60\u4ece\u4e2d\u627e\u5230\u4f60\u9700\u8981\u7684\u4fe1\u606f\u4e86\u5417 \uff1f\u5982\u679c\u4f60\u8fd8\u60f3\u4e86\u89e3\u66f4\u591a\u8fd9\u65b9\u9762\u7684\u4fe1\u606f\uff0c\u8bb0\u5f97\u6536\u85cf\u5173\u6ce8\u672c\u7ad9\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Linux \u7cfb\u7edf\u4e2d\uff0cdump \u4e00\u4e2a\u8fdb\u7a0b\u7684\u5185\u5b58\uff0c\u662f\u4e00\u4ef6\u76f8\u5bf9\u7b80\u5355\u7684\u4e8b\u60c5\u3002dump \u8fd9\u4e2a\u8bcd\u8bed\u7684\u610f\u601d\u662f\u6307\u5c06\u4e00\u4e2a\u8fdb\u7a0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-130124","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/130124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=130124"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/130124\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=130124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=130124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=130124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}