{"id":7549,"date":"2022-11-10T09:55:20","date_gmt":"2022-11-10T01:55:20","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=7549"},"modified":"2024-05-25T18:58:08","modified_gmt":"2024-05-25T10:58:08","slug":"ftrace","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=7549","title":{"rendered":"ftrace-\u5185\u6838\u6027\u80fd\u8c03\u8bd5\u5de5\u5177"},"content":{"rendered":"<p><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/479833554\">https:\/\/zhuanlan.zhihu.com\/p\/479833554<\/a><br \/>\n<a href=\"https:\/\/zhuanlan.zhihu.com\/p\/679427223\">https:\/\/zhuanlan.zhihu.com\/p\/679427223<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/qq_33724710\/article\/details\/136601719\">https:\/\/blog.csdn.net\/qq_33724710\/article\/details\/136601719<\/a><\/p>\n<h2>ftrace \u4ecb\u7ecd<\/h2>\n<p>ftrace \u63d0\u4f9b\u4e86\u7c7b\u4f3c\u4e8e procfs \u7684\u865a\u62df\u6587\u4ef6\u7cfb\u7edf\uff0c\u4ee5\u6587\u4ef6\u7684\u5f62\u5f0f\u4e3a\u7528\u6237\u7a7a\u95f4\u63d0\u4f9b\u4e86\u4ea4\u4e92\u63a5\u53e3\u3002\u8fd9\u6837\uff0c\u6211\u4eec\u4e0d\u7528\u4f9d\u8d56\u989d\u5916\u7684\u5de5\u5177\uff0c\u5c31\u80fd\u8ddf ftrace \u4ea4\u4e92\uff0c\u5b8c\u6210\u8ddf\u8e2a\u7684\u76ee\u6807\u3002<br \/>\nftracefs \u6302\u8f7d\u70b9\u901a\u5e38\u4f4d\u4e8e \/sys\/kernel\/tracing \u76ee\u5f55\uff0c\u5982\u679c\u4f60\u7684\u8fd9\u4e2a\u76ee\u5f55\u4e0b\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u90a3\u4e48\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\u5b89\u88c5\u6302\u8f7d\u70b9\uff1a<br \/>\n<code>mount -t tracefs nodev \/sys\/kernel\/tracing<\/code><\/p>\n<h2>\u793a\u4f8b<\/h2>\n<p><a href=\"https:\/\/www.jianshu.com\/p\/99e127973abe\">https:\/\/www.jianshu.com\/p\/99e127973abe<\/a><br \/>\n<a href=\"https:\/\/blog.csdn.net\/qq_37307259\/article\/details\/116903099\">https:\/\/blog.csdn.net\/qq_37307259\/article\/details\/116903099<\/a><\/p>\n<h2>trace-cmd<\/h2>\n<p><a href=\"https:\/\/cloud.tencent.com\/developer\/article\/2245313\">https:\/\/cloud.tencent.com\/developer\/article\/2245313<\/a><br \/>\n\u5bf9ftrace\u7684\u4e00\u4e2a\u5c01\u88c5<\/p>\n<button class=\"simplefavorite-button\" data-postid=\"7549\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/zhuanlan.zhihu.com\/p\/479833554 https:\/\/zhu [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1033],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7549"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7549"}],"version-history":[{"count":6,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7549\/revisions"}],"predecessor-version":[{"id":13659,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/7549\/revisions\/13659"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7549"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}