{"id":3731,"date":"2019-07-30T14:45:43","date_gmt":"2019-07-30T06:45:43","guid":{"rendered":"https:\/\/damogame.cn\/wordpress\/?p=3731"},"modified":"2019-07-30T14:45:43","modified_gmt":"2019-07-30T06:45:43","slug":"%e5%bc%ba%e5%a4%a7%e7%9a%84strace%e5%91%bd%e4%bb%a4%e7%94%a8%e6%b3%95%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/3731","title":{"rendered":"\u5f3a\u5927\u7684strace\u547d\u4ee4\u7528\u6cd5\u8be6\u89e3"},"content":{"rendered":"
<\/div>\n
\n
\u539f\u6587\u5730\u5740<\/a><\/div>\n
<\/div>\n<\/div>\n
\n

strace\u662f\u4ec0\u4e48\uff1f<\/h3>\n

\u6309\u7167strace\u5b98\u7f51\u7684\u63cf\u8ff0, strace\u662f\u4e00\u4e2a\u53ef\u7528\u4e8e\u8bca\u65ad\u3001\u8c03\u8bd5\u548c\u6559\u5b66\u7684Linux\u7528\u6237\u7a7a\u95f4\u8ddf\u8e2a\u5668\u3002\u6211\u4eec\u7528\u5b83\u6765\u76d1\u63a7\u7528\u6237\u7a7a\u95f4\u8fdb\u7a0b\u548c\u5185\u6838\u7684\u4ea4\u4e92\uff0c\u6bd4\u5982\u7cfb\u7edf\u8c03\u7528\u3001\u4fe1\u53f7\u4f20\u9012\u3001\u8fdb\u7a0b\u72b6\u6001\u53d8\u66f4\u7b49\u3002<\/p>\n

strace\u5e95\u5c42\u4f7f\u7528\u5185\u6838\u7684ptrace\u7279\u6027\u6765\u5b9e\u73b0\u5176\u529f\u80fd\u3002<\/p>\n

\u5728\u8fd0\u7ef4\u7684\u65e5\u5e38\u5de5\u4f5c\u4e2d\uff0c\u6545\u969c\u5904\u7406\u548c\u95ee\u9898\u8bca\u65ad\u662f\u4e2a\u4e3b\u8981\u7684\u5185\u5bb9\uff0c\u4e5f\u662f\u5fc5\u5907\u7684\u6280\u80fd\u3002strace\u4f5c\u4e3a\u4e00\u79cd\u52a8\u6001\u8ddf\u8e2a\u5de5\u5177\uff0c\u80fd\u591f\u5e2e\u52a9\u8fd0\u7ef4\u9ad8\u6548\u5730\u5b9a\u4f4d\u8fdb\u7a0b\u548c\u670d\u52a1\u6545\u969c\u3002\u5b83\u50cf\u662f\u4e00\u4e2a\u4fa6\u63a2\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u7684\u86db\u4e1d\u9a6c\u8ff9\uff0c\u544a\u8bc9\u4f60\u5f02\u5e38\u7684\u771f\u76f8\u3002<\/p>\n

strace\u80fd\u505a\u4ec0\u4e48\uff1f<\/h3>\n

\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u90fd\u662f\u5b9e\u8df5\u6d3e\u7684\u4eba\uff0c\u6211\u4eec\u8fd8\u662f\u5148\u6765\u4e2a\u4f8b\u5b50\u5427\u3002<\/p>\n

\u6211\u4eec\u4ece\u522b\u7684\u673a\u5668copy\u4e86\u4e2a\u53eb\u505asome_server\u7684\u8f6f\u4ef6\u5305\u8fc7\u6765\uff0c\u5f00\u53d1\u8bf4\u76f4\u63a5\u542f\u52a8\u5c31\u884c\uff0c\u5565\u90fd\u4e0d\u7528\u6539\u3002\u53ef\u662f\u5c1d\u8bd5\u542f\u52a8\u65f6\u5374\u62a5\u9519\uff0c\u6839\u672c\u8d77\u4e0d\u6765\uff01<\/p>\n

\u542f\u52a8\u547d\u4ee4\uff1a<\/h4>\n
.\/some_server\u00a0..\/conf\/some_server.conf<\/pre>\n
\u8f93\u51fa:<\/h4>\n
FATAL:\u00a0InitLogFile\u00a0failed\u00a0iRet:\u00a0-1!\r\nInit\u00a0error:\u00a0-1655<\/pre>\n
\u4e3a\u4ec0\u4e48\u8d77\u4e0d\u6765\u5462\uff1f\u4ece\u65e5\u5fd7\u770b\uff0c\u4f3c\u4e4e\u662f\u521d\u59cb\u5316\u65e5\u5fd7\u6587\u4ef6\u5931\u8d25\uff0c\u771f\u76f8\u5230\u5e95\u600e\u6837\u5462\uff1f\u6211\u4eec\u7528strace\u6765\u770b\u770b\u3002<\/p>\n
strace\u00a0-tt\u00a0-f\u00a0 .\/some_server\u00a0..\/conf\/some_server.conf<\/pre>\n
\u8f93\u51fa:<\/p>\n
 <\/p>\n
\u6211\u4eec\u6ce8\u610f\u5230\uff0c\u5728\u8f93\u51faInitLogFile failed\u9519\u8bef\u7684\u524d\u4e00\u884c\uff0c\u6709\u4e2aopen\u7cfb\u7edf\u8c03\u7528:<\/p>\n
23:14:24.448034\u00a0open(\"\/usr\/local\/apps\/some_server\/log\/\/server_agent.log\",\u00a0O_RDWR|O_CREAT|O_APPEND|O_LARGEFILE,\u00a00666)\u00a0=\u00a0-1\u00a0ENOENT\u00a0(No\u00a0such\u00a0file\u00a0or\u00a0directory)<\/pre>\n
\u5b83\u5c1d\u8bd5\u6253\u5f00\u6587\u4ef6\/usr\/local\/apps\/some_server\/log\/\/server_agent.log\u6765\u5199(\u4e0d\u5b58\u5728\u5219\u521b\u5efa)\uff0c\u53ef\u662f\u5374\u51fa\u9519\u4e86\uff0c\u8fd4\u56de\u7801\u662f-1, \u7cfb\u7edf\u9519\u8bef\u53f7errorno\u4e3aENOENT\u3002 \u67e5\u4e0bopen\u7cfb\u7edf\u8c03\u7528\u7684\u624b\u518c\u9875\uff1a<\/p>\n
man 2 open<\/p>\n
\u641c\u7d22ENOENT\u8fd9\u4e2a\u9519\u8bef\u53f7errno\u7684\u89e3\u91ca<\/p>\n
ENOENT O_CREAT \u00a0is not set and the named file does not exist. \u00a0Or, a directory component in pathname does not exist or is a dangling symbolic link.<\/p>\n
\u8fd9\u91cc\u8bf4\u5f97\u6bd4\u8f83\u6e05\u695a\uff0c\u56e0\u4e3a\u6211\u4eec\u4f8b\u5b50\u4e2d\u7684open\u9009\u9879\u6307\u5b9a\u4e86O_CREAT\u9009\u9879\uff0c\u8fd9\u91ccerrno\u4e3aENOENT\u7684\u539f\u56e0\u662f\u65e5\u5fd7\u8def\u5f84\u4e2d\u67d0\u4e2a\u90e8\u5206\u4e0d\u5b58\u5728\u6216\u8005\u662f\u4e00\u4e2a\u5931\u6548\u7684\u7b26\u53f7\u94fe\u63a5\u3002\u6211\u4eec\u6765\u4e00\u7ea7\u4e00\u7ea7\u770b\u4e0b\u8def\u5f84\u4e2d\u7684\u54ea\u90e8\u5206\u4e0d\u5b58\u5728\uff1a<\/p>\n
ls\u00a0-l\u00a0\/usr\/local\/apps\/some_server\/log\r\nls:\u00a0cannot\u00a0access\u00a0\/usr\/local\/apps\/some_server\/log:\u00a0No\u00a0such\u00a0file\u00a0or\u00a0directory\r\nls\u00a0-l\u00a0\/usr\/local\/apps\/some_server\r\ntotal\u00a08\r\ndrwxr-xr-x\u00a02\u00a0root\u00a0users\u00a04096\u00a0May\u00a014\u00a023:13\u00a0bin\r\ndrwxr-xr-x\u00a02\u00a0root\u00a0users\u00a04096\u00a0May\u00a014\u00a022:48\u00a0conf<\/pre>\n
\u539f\u6765\u662flog\u5b50\u76ee\u5f55\u4e0d\u5b58\u5728\uff01\u4e0a\u5c42\u76ee\u5f55\u90fd\u662f\u5b58\u5728\u7684\u3002\u624b\u5de5\u521b\u5efalog\u5b50\u76ee\u5f55\u540e\uff0c\u670d\u52a1\u5c31\u80fd\u6b63\u5e38\u542f\u52a8\u4e86\u3002<\/strong><\/p>\n
\u56de\u8fc7\u5934\u6765\uff0c strace\u7a76\u7adf\u80fd\u505a\u4ec0\u4e48\u5462\uff1f<\/strong><\/p>\n
\u5b83\u80fd\u591f\u6253\u5f00\u5e94\u7528\u8fdb\u7a0b\u7684\u8fd9\u4e2a\u9ed1\u76d2\uff0c\u901a\u8fc7\u7cfb\u7edf\u8c03\u7528\u7684\u7ebf\u7d22\uff0c\u544a\u8bc9\u4f60\u8fdb\u7a0b\u5927\u6982\u5728\u5e72\u561b\u3002<\/p>\n
strace\u600e\u4e48\u7528\uff1f<\/h3>\n
\u65e2\u7136strace\u662f\u7528\u6765\u8ddf\u8e2a\u7528\u6237\u7a7a\u95f4\u8fdb\u7a0b\u7684\u7cfb\u7edf\u8c03\u7528\u548c\u4fe1\u53f7\u7684\uff0c\u5728\u8fdb\u5165strace\u4f7f\u7528\u7684\u4e3b\u9898\u4e4b\u524d\uff0c\u6211\u4eec\u7684\u5148\u7406\u89e3\u4ec0\u4e48\u662f\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n
\u5173\u4e8e\u7cfb\u7edf\u8c03\u7528\uff1a<\/h4>\n
\u6309\u7ef4\u57fa\u767e\u79d1\u4e2d\u7684\u89e3\u91ca\uff0c\u5728\u8ba1\u7b97\u673a\u4e2d\uff0c\u7cfb\u7edf\u8c03\u7528\uff08\u82f1\u8bed\uff1asystem call\uff09\uff0c\u53c8\u79f0\u4e3a\u7cfb\u7edf\u547c\u53eb\uff0c\u6307\u8fd0\u884c\u5728\u7528\u6237\u7a7a\u95f4\u7684\u7a0b\u5e8f\u5411\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u8bf7\u6c42\u9700\u8981\u66f4\u9ad8\u6743\u9650\u8fd0\u884c\u7684\u670d\u52a1\u3002<\/strong><\/p>\n
\u7cfb\u7edf\u8c03\u7528\u63d0\u4f9b\u7528\u6237\u7a0b\u5e8f\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u4e4b\u95f4\u7684\u63a5\u53e3\u3002\u64cd\u4f5c\u7cfb\u7edf\u7684\u8fdb\u7a0b\u7a7a\u95f4\u5206\u4e3a\u7528\u6237\u7a7a\u95f4\u548c\u5185\u6838\u7a7a\u95f4\uff1a<\/p>\n
    \n
  • \u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u76f4\u63a5\u8fd0\u884c\u5728\u786c\u4ef6\u4e0a\uff0c\u63d0\u4f9b\u8bbe\u5907\u7ba1\u7406\u3001\u5185\u5b58\u7ba1\u7406\u3001\u4efb\u52a1\u8c03\u5ea6\u7b49\u529f\u80fd\u3002<\/li>\n
  • \u7528\u6237\u7a7a\u95f4\u901a\u8fc7API\u8bf7\u6c42\u5185\u6838\u7a7a\u95f4\u7684\u670d\u52a1\u6765\u5b8c\u6210\u5176\u529f\u80fd\u2014\u2014\u5185\u6838\u63d0\u4f9b\u7ed9\u7528\u6237\u7a7a\u95f4\u7684\u8fd9\u4e9bAPI, \u5c31\u662f\u7cfb\u7edf\u8c03\u7528\u3002<\/li>\n<\/ul>\n
    \u5728Linux\u7cfb\u7edf\u4e0a\uff0c\u5e94\u7528\u4ee3\u7801\u901a\u8fc7glibc\u5e93\u5c01\u88c5\u7684\u51fd\u6570\uff0c\u95f4\u63a5\u4f7f\u7528\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n
    Linux\u5185\u6838\u76ee\u524d\u6709300\u591a\u4e2a\u7cfb\u7edf\u8c03\u7528\uff0c\u8be6\u7ec6\u7684\u5217\u8868\u53ef\u4ee5\u901a\u8fc7syscalls\u624b\u518c\u9875\u67e5\u770b\u3002\u8fd9\u4e9b\u7cfb\u7edf\u8c03\u7528\u4e3b\u8981\u5206\u4e3a\u51e0\u7c7b\uff1a<\/p>\n
    \u6587\u4ef6\u548c\u8bbe\u5907\u8bbf\u95ee\u7c7b\u00a0\u6bd4\u5982open\/close\/read\/write\/chmod\u7b49\r\n\u8fdb\u7a0b\u7ba1\u7406\u7c7b\u00a0fork\/clone\/execve\/exit\/getpid\u7b49\r\n\u4fe1\u53f7\u7c7b\u00a0signal\/sigaction\/kill\u00a0\u7b49\r\n\u5185\u5b58\u7ba1\u7406\u00a0brk\/mmap\/mlock\u7b49\r\n\u8fdb\u7a0b\u95f4\u901a\u4fe1IPC\u00a0shmget\/semget\u00a0*\u00a0\u4fe1\u53f7\u91cf\uff0c\u5171\u4eab\u5185\u5b58\uff0c\u6d88\u606f\u961f\u5217\u7b49\r\n\u7f51\u7edc\u901a\u4fe1\u00a0socket\/connect\/sendto\/sendmsg\u00a0\u7b49\r\n\u5176\u4ed6<\/pre>\n
    \u719f\u6089Linux\u7cfb\u7edf\u8c03\u7528\/\u7cfb\u7edf\u7f16\u7a0b\uff0c\u80fd\u591f\u8ba9\u6211\u4eec\u5728\u4f7f\u7528strace\u65f6\u5f97\u5fc3\u5e94\u624b\u3002\u4e0d\u8fc7\uff0c\u5bf9\u4e8e\u8fd0\u7ef4\u7684\u95ee\u9898\u5b9a\u4f4d\u6765\u8bf4\uff0c\u77e5\u9053strace\u8fd9\u4e2a\u5de5\u5177\uff0c\u4f1a\u67e5\u7cfb\u7edf\u8c03\u7528\u624b\u518c\uff0c\u5c31\u5dee\u4e0d\u591a\u591f\u4e86\u3002<\/p>\n
    \u60f3\u8981\u6df1\u5165\u4e86\u89e3\u7684\u540c\u5b66\uff0c\u5efa\u8bae\u9605\u8bfb\u300aLinux\u7cfb\u7edf\u7f16\u7a0b\u300b, \u300aUnix\u73af\u5883\u9ad8\u7ea7\u7f16\u7a0b\u300b\u7b49\u4e66\u7c4d\u3002<\/p>\n
    \u6211\u4eec\u56de\u5230strace\u7684\u4f7f\u7528\u4e0a\u6765\u3002strace\u6709\u4e24\u79cd\u8fd0\u884c\u6a21\u5f0f\u3002<\/p>\n
    \u4e00\u79cd\u662f\u901a\u8fc7\u5b83\u542f\u52a8\u8981\u8ddf\u8e2a\u7684\u8fdb\u7a0b\u3002\u7528\u6cd5\u5f88\u7b80\u5355\uff0c\u5728\u539f\u672c\u7684\u547d\u4ee4\u524d\u52a0\u4e0astrace\u5373\u53ef\u3002\u6bd4\u5982\u6211\u4eec\u8981\u8ddf\u8e2a “ls -lh \/var\/log\/messages”\u00a0\u8fd9\u4e2a\u547d\u4ee4\u7684\u6267\u884c\uff0c\u53ef\u4ee5\u8fd9\u6837\uff1a<\/p>\n
    strace\u00a0ls\u00a0-lh\u00a0\/var\/log\/messages<\/pre>\n
    \u53e6\u5916\u4e00\u79cd\u8fd0\u884c\u6a21\u5f0f\uff0c\u662f\u8ddf\u8e2a\u5df2\u7ecf\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u5728\u4e0d\u4e2d\u65ad\u8fdb\u7a0b\u6267\u884c\u7684\u60c5\u51b5\u4e0b\uff0c\u7406\u89e3\u5b83\u5728\u5e72\u561b\u3002 \u8fd9\u79cd\u60c5\u51b5\uff0c\u7ed9strace\u4f20\u9012\u4e2a-p pid \u9009\u9879\u5373\u53ef\u3002<\/p>\n
    \u6bd4\u5982\uff0c\u6709\u4e2a\u5728\u8fd0\u884c\u7684some_server\u670d\u52a1\uff0c\u7b2c\u4e00\u6b65\uff0c\u67e5\u770bpid:<\/p>\n
    pidof\u00a0some_server\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \r\n17553<\/pre>\n
    \u5f97\u5230\u5176pid 17553\u7136\u540e\u5c31\u53ef\u4ee5\u7528strace\u8ddf\u8e2a\u5176\u6267\u884c:<\/p>\n
    strace\u00a0-p\u00a017553<\/pre>\n
    \u5b8c\u6210\u8ddf\u8e2a\u65f6\uff0c\u6309ctrl + C \u7ed3\u675fstrace\u5373\u53ef\u3002<\/p>\n
    strace\u6709\u4e00\u4e9b\u9009\u9879\u53ef\u4ee5\u8c03\u6574\u5176\u884c\u4e3a\uff0c\u6211\u4eec\u8fd9\u91cc\u4ecb\u7ecd\u4e0b\u5176\u4e2d\u51e0\u4e2a\u6bd4\u8f83\u5e38\u7528\u7684\uff0c\u7136\u540e\u901a\u8fc7\u793a\u4f8b\u8bb2\u89e3\u5176\u5b9e\u9645\u5e94\u7528\u6548\u679c\u3002<\/p>\n
    strace\u5e38\u7528\u9009\u9879\uff1a<\/h4>\n
    \u4ece\u4e00\u4e2a\u793a\u4f8b\u547d\u4ee4\u6765\u770b\uff1a<\/p>\n
    strace\u00a0-tt\u00a0-T\u00a0-v\u00a0-f\u00a0-e\u00a0trace=file\u00a0-o\u00a0\/data\/log\/strace.log\u00a0-s\u00a01024\u00a0-p\u00a023489<\/pre>\n
    -tt \u5728\u6bcf\u884c\u8f93\u51fa\u7684\u524d\u9762\uff0c\u663e\u793a\u6beb\u79d2\u7ea7\u522b\u7684\u65f6\u95f4
    \n-T \u663e\u793a\u6bcf\u6b21\u7cfb\u7edf\u8c03\u7528\u6240\u82b1\u8d39\u7684\u65f6\u95f4
    \n-v \u5bf9\u4e8e\u67d0\u4e9b\u76f8\u5173\u8c03\u7528\uff0c\u628a\u5b8c\u6574\u7684\u73af\u5883\u53d8\u91cf\uff0c\u6587\u4ef6stat\u7ed3\u6784\u7b49\u6253\u51fa\u6765\u3002
    \n-f \u8ddf\u8e2a\u76ee\u6807\u8fdb\u7a0b\uff0c\u4ee5\u53ca\u76ee\u6807\u8fdb\u7a0b\u521b\u5efa\u7684\u6240\u6709\u5b50\u8fdb\u7a0b
    \n-e \u63a7\u5236\u8981\u8ddf\u8e2a\u7684\u4e8b\u4ef6\u548c\u8ddf\u8e2a\u884c\u4e3a,\u6bd4\u5982\u6307\u5b9a\u8981\u8ddf\u8e2a\u7684\u7cfb\u7edf\u8c03\u7528\u540d\u79f0
    \n-o \u628astrace\u7684\u8f93\u51fa\u5355\u72ec\u5199\u5230\u6307\u5b9a\u7684\u6587\u4ef6
    \n-s \u5f53\u7cfb\u7edf\u8c03\u7528\u7684\u67d0\u4e2a\u53c2\u6570\u662f\u5b57\u7b26\u4e32\u65f6\uff0c\u6700\u591a\u8f93\u51fa\u6307\u5b9a\u957f\u5ea6\u7684\u5185\u5bb9\uff0c\u9ed8\u8ba4\u662f32\u4e2a\u5b57\u8282
    \n-p \u6307\u5b9a\u8981\u8ddf\u8e2a\u7684\u8fdb\u7a0bpid, \u8981\u540c\u65f6\u8ddf\u8e2a\u591a\u4e2apid, \u91cd\u590d\u591a\u6b21-p\u9009\u9879\u5373\u53ef\u3002<\/p>\n
    \u5b9e\u4f8b\uff1a\u8ddf\u8e2anginx, \u770b\u5176\u542f\u52a8\u65f6\u90fd\u8bbf\u95ee\u4e86\u54ea\u4e9b\u6587\u4ef6<\/strong><\/p>\n
    strace\u00a0-tt\u00a0-T\u00a0-f\u00a0-e\u00a0trace=file\u00a0-o\u00a0\/data\/log\/strace.log\u00a0-s\u00a01024\u00a0.\/nginx<\/pre>\n
    \u90e8\u5206\u8f93\u51fa:<\/p>\n
     <\/p>\n
    \u8f93\u51fa\u4e2d\uff0c\u7b2c\u4e00\u5217\u663e\u793a\u7684\u662f\u8fdb\u7a0b\u7684pid, \u63a5\u7740\u662f\u6beb\u79d2\u7ea7\u522b\u7684\u65f6\u95f4\uff0c\u8fd9\u4e2a\u662f-tt \u9009\u9879\u7684\u6548\u679c\u3002<\/p>\n
    \u6bcf\u4e00\u884c\u7684\u6700\u540e\u4e00\u5217\uff0c\u663e\u793a\u4e86\u8be5\u8c03\u7528\u6240\u82b1\u7684\u65f6\u95f4\uff0c\u662f-T\u9009\u9879\u7684\u7ed3\u679c\u3002<\/p>\n
    \u8fd9\u91cc\u7684\u8f93\u51fa\u53ea\u663e\u793a\u548c\u6587\u4ef6\u8bbf\u95ee\u6709\u5173\u7684\u5185\u5bb9\uff0c\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u901a\u8fc7-e trace=file \u9009\u9879\u6307\u5b9a\u4e86\u3002<\/p>\n
    strace\u95ee\u9898\u5b9a\u4f4d\u6848\u4f8b<\/h3>\n
    1\u3001\u5b9a\u4f4d\u8fdb\u7a0b\u5f02\u5e38\u9000\u51fa<\/h4>\n
    \u95ee\u9898\uff1a\u673a\u5668\u4e0a\u6709\u4e2a\u53eb\u505arun.sh\u7684\u5e38\u9a7b\u811a\u672c\uff0c\u8fd0\u884c\u4e00\u5206\u949f\u540e\u4f1a\u6b7b\u6389\u3002\u9700\u8981\u67e5\u51fa\u6b7b\u56e0\u3002<\/p>\n
    \u5b9a\u4f4d\uff1a\u8fdb\u7a0b\u8fd8\u5728\u8fd0\u884c\u65f6\uff0c\u901a\u8fc7ps\u547d\u4ee4\u83b7\u53d6\u5176pid, \u5047\u8bbe\u6211\u4eec\u5f97\u5230\u7684pid\u662f24298<\/p>\n
    strace\u00a0-o\u00a0strace.log\u00a0-tt\u00a0-p\u00a024298<\/pre>\n
    \u67e5\u770bstrace.log, \u6211\u4eec\u5728\u6700\u540e2\u884c\u770b\u5230\u5982\u4e0b\u5185\u5bb9:<\/p>\n
    22:47:42.803937\u00a0wait4(-1,\u00a0 <unfinished\u00a0...>\r\n22:47:43.228422\u00a0+++\u00a0killed\u00a0by\u00a0SIGKILL\u00a0+++<\/pre>\n
    \u8fd9\u91cc\u53ef\u4ee5\u770b\u51fa\uff0c\u8fdb\u7a0b\u662f\u88ab\u5176\u4ed6\u8fdb\u7a0b\u7528KILL\u4fe1\u53f7\u6740\u6b7b\u7684\u3002<\/p>\n
    \u5b9e\u9645\u4e0a\uff0c\u901a\u8fc7\u5206\u6790\uff0c\u6211\u4eec\u53d1\u73b0\u673a\u5668\u4e0a\u522b\u7684\u670d\u52a1\u6709\u4e2a\u76d1\u63a7\u811a\u672c\uff0c\u5b83\u76d1\u63a7\u4e00\u4e2a\u4e5f\u53eb\u505arun.sh\u7684\u8fdb\u7a0b\uff0c\u5f53\u53d1\u73b0run.sh\u8fdb\u7a0b\u6570\u5927\u4e8e2\u65f6\uff0c\u5c31\u4f1a\u628a\u5b83\u6740\u6b7b\u91cd\u542f\u3002\u7ed3\u679c\u5bfc\u81f4\u6211\u4eec\u8fd9\u4e2arun.sh\u811a\u672c\u88ab\u8bef\u6740\u3002<\/p>\n
    \u8fdb\u7a0b\u88ab\u6740\u9000\u51fa\u65f6\uff0cstrace\u4f1a\u8f93\u51fakilled by SIGX(SIGX\u4ee3\u8868\u53d1\u9001\u7ed9\u8fdb\u7a0b\u7684\u4fe1\u53f7)\u7b49\uff0c\u90a3\u4e48\uff0c\u8fdb\u7a0b\u81ea\u5df1\u9000\u51fa\u65f6\u4f1a\u8f93\u51fa\u4ec0\u4e48\u5462\uff1f<\/p>\n
    \u8fd9\u91cc\u6709\u4e2a\u53eb\u505atest_exit\u7684\u7a0b\u5e8f\uff0c\u5176\u4ee3\u7801\u5982\u4e0b:<\/p>\n
    #include\u00a0<stdio.h>\r\n#include\u00a0<stdlib.h>\r\n\r\nint\u00a0main(int\u00a0argc,\u00a0char\u00a0**argv)\u00a0{\r\n\u00a0 \u00a0 \u00a0 \u00a0exit(1);\r\n}<\/pre>\n
    \u6211\u4eecstrace\u770b\u4e0b\u5b83\u9000\u51fa\u65f6strace\u4e0a\u80fd\u770b\u5230\u4ec0\u4e48\u75d5\u8ff9\u3002<\/p>\n
    strace\u00a0-tt\u00a0-e\u00a0trace=process\u00a0-f\u00a0.\/test_exit<\/pre>\n
    \u8bf4\u660e: -e trace=process \u8868\u793a\u53ea\u8ddf\u8e2a\u548c\u8fdb\u7a0b\u7ba1\u7406\u76f8\u5173\u7684\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n
    \u8f93\u51fa\uff1a<\/p>\n
    23:07:24.672849\u00a0execve(\".\/test_exit\",\u00a0[\".\/test_exit\"],\u00a0[\/*\u00a035\u00a0vars\u00a0*\/])\u00a0=\u00a00\r\n23:07:24.674665\u00a0arch_prctl(ARCH_SET_FS,\u00a00x7f1c0eca7740)\u00a0=\u00a00\r\n23:07:24.675108\u00a0exit_group(1)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0=\u00a0?\r\n23:07:24.675259\u00a0+++\u00a0exited\u00a0with\u00a01\u00a0+++<\/pre>\n
    \u53ef\u4ee5\u770b\u51fa\uff0c\u8fdb\u7a0b\u81ea\u5df1\u9000\u51fa\u65f6\uff08\u8c03\u7528exit\u51fd\u6570\uff0c\u6216\u8005\u4ecemain\u51fd\u6570\u8fd4\u56de\uff09, \u6700\u7ec8\u8c03\u7528\u7684\u662fexit_group\u7cfb\u7edf\u8c03\u7528\uff0c \u5e76\u4e14strace\u4f1a\u8f93\u51faexited with X\uff08X\u4e3a\u9000\u51fa\u7801\uff09\u3002<\/p>\n
    \u53ef\u80fd\u6709\u4eba\u4f1a\u7591\u60d1\uff0c\u4ee3\u7801\u91cc\u9762\u660e\u660e\u8c03\u7528\u7684\u662fexit, \u600e\u4e48\u663e\u793a\u4e3aexit_group?<\/p>\n
    \u8fd9\u662f\u56e0\u4e3a\u8fd9\u91cc\u7684exit\u51fd\u6570\u4e0d\u662f\u7cfb\u7edf\u8c03\u7528\uff0c\u800c\u662fglibc\u5e93\u63d0\u4f9b\u7684\u4e00\u4e2a\u51fd\u6570\uff0cexit\u51fd\u6570\u7684\u8c03\u7528\u6700\u7ec8\u4f1a\u8f6c\u5316\u4e3aexit_group\u7cfb\u7edf\u8c03\u7528\uff0c\u5b83\u4f1a\u9000\u51fa\u5f53\u524d\u8fdb\u7a0b\u7684\u6240\u6709\u7ebf\u7a0b\u3002\u5b9e\u9645\u4e0a\uff0c\u6709\u4e00\u4e2a\u53eb\u505a_exit()\u7684\u7cfb\u7edf\u8c03\u7528(\u6ce8\u610fexit\u524d\u9762\u7684\u4e0b\u5212\u7ebf), \u7ebf\u7a0b\u9000\u51fa\u65f6\u6700\u7ec8\u4f1a\u8c03\u7528\u5b83\u3002<\/p>\n
    2\u3001\u5b9a\u4f4d\u5171\u4eab\u5185\u5b58\u5f02\u5e38<\/h4>\n
    \u6709\u4e2a\u670d\u52a1\u542f\u52a8\u65f6\u62a5\u9519\uff1a<\/p>\n
    shmget\u00a0267264\u00a030097568:\u00a0Invalid\u00a0argument\r\nCan\u00a0not\u00a0get\u00a0shm...exit!<\/pre>\n
    \u9519\u8bef\u65e5\u5fd7\u5927\u6982\u544a\u8bc9\u6211\u4eec\u662f\u83b7\u53d6\u5171\u4eab\u5185\u5b58\u51fa\u9519\uff0c\u901a\u8fc7strace\u770b\u4e0b\uff1a<\/p>\n
    strace\u00a0-tt\u00a0-f\u00a0-e\u00a0trace=ipc\u00a0.\/a_mon_svr\u00a0 \u00a0 \u00a0..\/conf\/a_mon_svr.conf<\/pre>\n
    \u8f93\u51fa\uff1a<\/p>\n
    22:46:36.351798\u00a0shmget(0x5feb,\u00a012000,\u00a00666)\u00a0=\u00a00\r\n22:46:36.351939\u00a0shmat(0,\u00a00,\u00a00)\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 =\u00a0?\r\nProcess\u00a021406\u00a0attached\r\n22:46:36.355439\u00a0shmget(0x41400,\u00a030097568,\u00a00666)\u00a0=\u00a0-1\u00a0EINVAL\u00a0(Invalid\u00a0argument)\r\nshmget\u00a0267264\u00a030097568:\u00a0Invalid\u00a0argument\r\nCan\u00a0not\u00a0get\u00a0shm...exit!<\/pre>\n
    \u8fd9\u91cc\uff0c\u6211\u4eec\u901a\u8fc7-e trace=ipc \u9009\u9879\uff0c\u8ba9strace\u53ea\u8ddf\u8e2a\u548c\u8fdb\u7a0b\u901a\u4fe1\u76f8\u5173\u7684\u7cfb\u7edf\u8c03\u7528\u3002<\/p>\n
    \u4ecestrace\u8f93\u51fa\uff0c\u6211\u4eec\u77e5\u9053\u662fshmget\u7cfb\u7edf\u8c03\u7528\u51fa\u9519\u4e86\uff0cerrno\u662fEINVAL\u3002\u540c\u6837\uff0c \u67e5\u8be2\u4e0bshmget\u624b\u518c\u9875\uff0c\u641c\u7d22EINVAL\u7684\u9519\u8bef\u7801\u7684\u8bf4\u660e:<\/p>\n
    EINVAL A new segment was to be created and size < SHMMIN or size > SHMMAX, or no new segment was to be created, a segment with given key existed, but size is greater than the size of that segment<\/p>\n
    \u7ffb\u8bd1\u4e0b\uff0cshmget\u8bbe\u7f6eEINVAL\u9519\u8bef\u7801\u7684\u539f\u56e0\u4e3a\u4e0b\u5217\u4e4b\u4e00\uff1a<\/p>\n
      \n
    • \u8981\u521b\u5efa\u7684\u5171\u4eab\u5185\u5b58\u6bb5\u6bd4 SHMMIN\u5c0f (\u4e00\u822c\u662f1\u4e2a\u5b57\u8282)<\/li>\n
    • \u8981\u521b\u5efa\u7684\u5171\u4eab\u5185\u5b58\u6bb5\u6bd4 SHMMAX \u5927 (\u5185\u6838\u53c2\u6570kernel.shmmax\u914d\u7f6e)<\/li>\n
    • \u6307\u5b9akey\u7684\u5171\u4eab\u5185\u5b58\u6bb5\u5df2\u5b58\u5728\uff0c\u5176\u5927\u5c0f\u548c\u8c03\u7528shmget\u65f6\u4f20\u9012\u7684\u503c\u4e0d\u540c\u3002<\/li>\n<\/ul>\n
      \u4ecestrace\u8f93\u51fa\u770b\uff0c\u6211\u4eec\u8981\u8fde\u7684\u5171\u4eab\u5185\u5b58key 0x41400, \u6307\u5b9a\u7684\u5927\u5c0f\u662f30097568\u5b57\u8282\uff0c\u660e\u663e\u4e0e\u7b2c1\u30012\u79cd\u60c5\u51b5\u4e0d\u5339\u914d\u3002\u90a3\u53ea\u5269\u4e0b\u7b2c\u4e09\u79cd\u60c5\u51b5\u3002\u4f7f\u7528ipcs\u770b\u4e0b\u662f\u5426\u771f\u7684\u662f\u5927\u5c0f\u4e0d\u5339\u914d\uff1a<\/p>\n
      ipcs\u00a0 -m\u00a0|\u00a0grep\u00a041400\r\nkey\u00a0 \u00a0 \u00a0 \u00a0 shmid\u00a0 \u00a0 \u00a0 owner\u00a0 \u00a0 \u00a0 perms\u00a0 \u00a0 \u00a0 bytes\u00a0 \u00a0 \u00a0 nattch\u00a0 \u00a0 \u00a0status\u00a0 \u00a0 \r\n0x00041400\u00a01015822\u00a0 \u00a0 root\u00a0 \u00a0 \u00a0 \u00a0666\u00a0 \u00a0 \u00a0 \u00a0 30095516\u00a0 \u00a01<\/pre>\n
      \u53ef\u4ee5\u770b\u5230\uff0c\u5df2\u7ecf0x41400\u8fd9\u4e2akey\u5df2\u7ecf\u5b58\u5728\uff0c\u5e76\u4e14\u5176\u5927\u5c0f\u4e3a30095516\u5b57\u8282\uff0c\u548c\u6211\u4eec\u8c03\u7528\u53c2\u6570\u4e2d\u768430097568\u4e0d\u5339\u914d\uff0c\u4e8e\u662f\u4ea7\u751f\u4e86\u8fd9\u4e2a\u9519\u8bef\u3002<\/p>\n
      \u5728\u6211\u4eec\u8fd9\u4e2a\u6848\u4f8b\u91cc\u9762\uff0c\u5bfc\u81f4\u5171\u4eab\u5185\u5b58\u5927\u5c0f\u4e0d\u4e00\u81f4\u7684\u539f\u56e0\uff0c\u662f\u4e00\u7ec4\u7a0b\u5e8f\u4e2d\uff0c\u5176\u4e2d\u4e00\u4e2a\u7f16\u8bd1\u4e3a32\u4f4d\uff0c\u53e6\u5916\u4e00\u4e2a\u7f16\u8bd1\u4e3a64\u4f4d,\u4ee3\u7801\u91cc\u9762\u4f7f\u7528\u4e86long\u8fd9\u4e2a\u53d8\u957fint\u6570\u636e\u7c7b\u578b\u3002<\/p>\n
      \u628a\u4e24\u4e2a\u7a0b\u5e8f\u90fd\u7f16\u8bd1\u4e3a64\u89e3\u51b3\u4e86\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n
      \u8fd9\u91cc\u7279\u522b\u8bf4\u4e0bstrace\u7684-e trace\u9009\u9879\u3002<\/strong><\/p>\n
      \u8981\u8ddf\u8e2a\u67d0\u4e2a\u5177\u4f53\u7684\u7cfb\u7edf\u8c03\u7528\uff0c-e trace=xxx\u5373\u53ef\u3002\u4f46\u6709\u65f6\u5019\u6211\u4eec\u8981\u8ddf\u8e2a\u4e00\u7c7b\u7cfb\u7edf\u8c03\u7528\uff0c\u6bd4\u5982\u6240\u6709\u548c\u6587\u4ef6\u540d\u6709\u5173\u7684\u8c03\u7528\u3001\u6240\u6709\u548c\u5185\u5b58\u5206\u914d\u6709\u5173\u7684\u8c03\u7528\u3002<\/p>\n
      \u5982\u679c\u4eba\u5de5\u8f93\u5165\u6bcf\u4e00\u4e2a\u5177\u4f53\u7684\u7cfb\u7edf\u8c03\u7528\u540d\u79f0\uff0c\u53ef\u80fd\u5bb9\u6613\u9057\u6f0f\u3002\u4e8e\u662fstrace\u63d0\u4f9b\u4e86\u51e0\u7c7b\u5e38\u7528\u7684\u7cfb\u7edf\u8c03\u7528\u7ec4\u5408\u540d\u5b57\u3002<\/p>\n
      -e trace=file \u00a0 \u00a0 \u8ddf\u8e2a\u548c\u6587\u4ef6\u8bbf\u95ee\u76f8\u5173\u7684\u8c03\u7528(\u53c2\u6570\u4e2d\u6709\u6587\u4ef6\u540d)
      \n-e trace=process \u00a0\u548c\u8fdb\u7a0b\u7ba1\u7406\u76f8\u5173\u7684\u8c03\u7528\uff0c\u6bd4\u5982fork\/exec\/exit_group
      \n-e trace=network \u00a0\u548c\u7f51\u7edc\u901a\u4fe1\u76f8\u5173\u7684\u8c03\u7528\uff0c\u6bd4\u5982socket\/sendto\/connect
      \n-e trace=signal \u00a0 \u00a0\u4fe1\u53f7\u53d1\u9001\u548c\u5904\u7406\u76f8\u5173\uff0c\u6bd4\u5982kill\/sigaction
      \n-e trace=desc \u00a0\u548c\u6587\u4ef6\u63cf\u8ff0\u7b26\u76f8\u5173\uff0c\u6bd4\u5982write\/read\/select\/epoll\u7b49
      \n-e trace=ipc \u8fdb\u7a0b\u89c1\u540c\u5b66\u76f8\u5173\uff0c\u6bd4\u5982shmget\u7b49<\/p>\n
      \u7edd\u5927\u591a\u6570\u60c5\u51b5\uff0c\u6211\u4eec\u4f7f\u7528\u4e0a\u9762\u7684\u7ec4\u5408\u540d\u5b57\u5c31\u591f\u4e86\u3002\u5b9e\u5728\u9700\u8981\u8ddf\u8e2a\u5177\u4f53\u7684\u7cfb\u7edf\u8c03\u7528\u65f6\uff0c\u53ef\u80fd\u9700\u8981\u6ce8\u610fC\u5e93\u5b9e\u73b0\u7684\u5dee\u5f02\u3002<\/p>\n
      \u6bd4\u5982\u6211\u4eec\u77e5\u9053\u521b\u5efa\u8fdb\u7a0b\ufffd\ufffd\ufffd\u7528\u7684\u662ffork\u7cfb\u7edf\u8c03\u7528\uff0c\u4f46\u5728glibc\u91cc\u9762\uff0cfork\u7684\u8c03\u7528\u5b9e\u9645\u4e0a\u6620\u5c04\u5230\u4e86\u66f4\u5e95\u5c42\u7684clone\u7cfb\u7edf\u8c03\u7528\u3002\u4f7f\u7528strace\u65f6\uff0c\u5f97\u6307\u5b9a-e trace=clone, \u6307\u5b9a-e trace=fork\u4ec0\u4e48\u4e5f\u5339\u914d\u4e0d\u4e0a\u3002<\/p>\n
      3\u3001 \u6027\u80fd\u5206\u6790<\/h4>\n
      \u5047\u5982\u6709\u4e2a\u9700\u6c42\uff0c\u7edf\u8ba1Linux 4.5.4 \u7248\u672c\u5185\u6838\u4e2d\u7684\u4ee3\u7801\u884c\u6570(\u5305\u542b\u6c47\u7f16\u548cC\u4ee3\u7801)\u3002\u8fd9\u91cc\u63d0\u4f9b\u4e24\u4e2aShell\u811a\u672c\u5b9e\u73b0\uff1a<\/p>\n
      poor_script.sh:<\/p>\n
      !\/bin\/bash<\/h2>\n
      total_line=0
      \nwhile read filename; do
      \nline=$(wc -l $filename | awk \u2018{print $1}\u2019)
      \n(( total_line += line ))
      \ndone < <( find linux-4.5.4 -type f \u00a0( -iname \u2018.c\u2019 -o -iname \u2018<\/em>.h\u2019 -o -iname \u2018*.S\u2019 ) )
      \necho \u201ctotal line: $total_line\u201d<\/p>\n
      good_script.sh:<\/p>\n
      !\/bin\/bash<\/h2>\n
      find linux-4.5.4 -type f \u00a0( -iname \u2018.c\u2019 -o -iname \u2018<\/em>.h\u2019 -o -iname \u2018*.S\u2019 ) -print0 \\
      \n| wc -l \u2014files0-from – | tail -n 1<\/p>\n
      \u4e24\u6bb5\u4ee3\u7801\u5b9e\u73b0\u7684\u76ee\u7684\u662f\u4e00\u6837\u7684\u3002 \u6211\u4eec\u901a\u8fc7strace\u7684-c\u9009\u9879\u6765\u5206\u522b\u7edf\u8ba1\u4e24\u79cd\u7248\u672c\u7684\u7cfb\u7edf\u8c03\u7528\u60c5\u51b5\u548c\u5176\u6240\u82b1\u7684\u65f6\u95f4(\u4f7f\u7528-f\u540c\u65f6\u7edf\u8ba1\u5b50\u8fdb\u7a0b\u7684\u60c5\u51b5)<\/p>\n
      \u4ece\u4e24\u4e2a\u8f93\u51fa\u53ef\u4ee5\u770b\u51fa\uff0cgood_script.sh \u53ea\u9700\u89812\u79d2\u5c31\u53ef\u4ee5\u5f97\u5230\u7ed3\u679c\uff1a19613114\u884c\u3002\u5b83\u5927\u90e8\u5206\u7684\u8c03\u7528(calls)\u5f00\u9500\u662f\u6587\u4ef6\u64cd\u4f5c(read\/open\/write\/close)\u7b49\uff0c\u7edf\u8ba1\u4ee3\u7801\u884c\u6570\u672c\u6765\u5c31\u662f\u5e72\u8fd9\u4e9b\u4e8b\u60c5\u3002<\/p>\n
      \u800cpoor_script.sh\u5b8c\u6210\u540c\u6837\u7684\u4efb\u52a1\u5219\u82b1\u4e86539\u79d2\u3002\u5b83\u5927\u90e8\u5206\u7684\u8c03\u7528\u5f00\u9500\u90fd\u5728\u8fdb\u7a0b\u548c\u5185\u5b58\u7ba1\u7406\u4e0a(wait4\/mmap\/getpid\u2026)\u3002<\/p>\n
      \u5b9e\u9645\u4e0a\uff0c\u4ece\u4e24\u4e2a\u56fe\u4e2dclone\u7cfb\u7edf\u8c03\u7528\u7684\u6b21\u6570,\u6211\u4eec\u53ef\u4ee5\u770b\u51fagood_script.sh\u53ea\u9700\u8981\u542f\u52a83\u4e2a\u8fdb\u7a0b\uff0c\u800cpoor_script.sh\u5b8c\u6210\u6574\u4e2a\u4efb\u52a1\u5c45\u7136\u542f\u52a8\u4e86126335\u4e2a\u8fdb\u7a0b\uff01<\/p>\n
      \u800c\u8fdb\u7a0b\u521b\u5efa\u548c\u9500\u6bc1\u7684\u4ee3\u4ef7\u662f\u76f8\u5f53\u9ad8\u7684\uff0c\u6027\u80fd\u4e0d\u5dee\u624d\u602a\u3002<\/p>\n
      \u603b\u7ed3<\/h3>\n
      \u5f53\u53d1\u73b0\u8fdb\u7a0b\u6216\u670d\u52a1\u5f02\u5e38\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7strace\u6765\u8ddf\u8e2a\u5176\u7cfb\u7edf\u8c03\u7528\uff0c\u201c\u770b\u770b\u5b83\u5728\u5e72\u5565\u201d\uff0c\u8fdb\u800c\u627e\u5230\u5f02\u5e38\u7684\u539f\u56e0\u3002\u719f\u6089\u5e38\u7528\u7cfb\u7edf\u8c03\u7528\uff0c\u80fd\u591f\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528strace\u3002<\/p>\n
      \u5f53\u7136\uff0c\u4e07\u80fd\u7684strace\u4e5f\u4e0d\u662f\u771f\u6b63\u7684\u4e07\u80fd\u3002\u5f53\u76ee\u6807\u8fdb\u7a0b\u5361\u6b7b\u5728\u7528\u6237\u6001\u65f6\uff0cstrace\u5c31\u6ca1\u6709\u8f93\u51fa\u4e86\u3002<\/p>\n
      \u8fd9\u4e2a\u65f6\u5019\u6211\u4eec\u9700\u8981\u5176\u4ed6\u7684\u8ddf\u8e2a\u624b\u6bb5\uff0c\u6bd4\u5982gdb\/perf\/SystemTap\u7b49\u3002<\/p>\n
      \u5907\u6ce8\uff1a<\/p>\n
      1\u3001perf\u539f\u56e0kernel\u652f\u6301<\/p>\n
      2\u3001ftrace \u00a0kernel\u652f\u6301\u53ef\u7f16\u7a0b<\/p>\n
      3\u3001systemtap \u529f\u80fd\u5f3a\u5927\uff0cRedHat<\/a>\u7cfb\u7edf\u652f\u6301\uff0c\u5bf9\u7528\u6237\u6001\uff0c\u5185\u6838\u6001\u903b\u8f91\u90fd\u80fd\u63a2\u67e5\uff0c\u4f7f\u7528\u8303\u56f4\u66f4\u5e7f<\/p>\n
      \u672c\u6587\u6c38\u4e45\u66f4\u65b0\u94fe\u63a5\u5730\u5740\uff1ahttp:\/\/www.linuxidc.com\/Linux\/2018-01\/150654.htm<\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
      \u539f\u6587\u5730\u5740 strace\u662f\u4ec0\u4e48\uff1f \u6309\u7167st<\/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":[119],"class_list":["post-3731","post","type-post","status-publish","format-standard","hentry","tag-03-"],"_links":{"self":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3731","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=3731"}],"version-history":[{"count":0,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/posts\/3731\/revisions"}],"wp:attachment":[{"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/media?parent=3731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/categories?post=3731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/i007.cc\/wordpress\/wp-json\/wp\/v2\/tags?post=3731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}