{"id":198445,"date":"2024-11-14T18:27:50","date_gmt":"2024-11-14T10:27:50","guid":{"rendered":"https:\/\/server.hk\/cnblog\/198445\/"},"modified":"2024-11-14T18:27:50","modified_gmt":"2024-11-14T10:27:50","slug":"%e3%80%8clinux%e4%bb%a3%e7%a2%bc%e5%84%aa%e5%8c%96%e5%b7%a5%e5%85%b7%e5%a4%a7%e6%8f%ad%e7%a7%98%e3%80%8d-linux-%e4%bb%a3%e7%a2%bc%e5%84%aa%e5%8c%96%e5%b7%a5%e5%85%b7%e6%9c%89%e5%93%aa%e4%ba%9b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/198445\/","title":{"rendered":"\u300cLinux\u4ee3\u78bc\u512a\u5316\u5de5\u5177\u5927\u63ed\u79d8\u300d (linux \u4ee3\u78bc\u512a\u5316\u5de5\u5177\u6709\u54ea\u4e9b)"},"content":{"rendered":"

Linux\u4ee3\u78bc\u512a\u5316\u5de5\u5177\u5927\u63ed\u79d8<\/h1>\n

\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u74b0\u5883\u4e2d\uff0c\u4ee3\u78bc\u7684\u6027\u80fd\u548c\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002\u5c24\u5176\u662f\u5728\u4f7f\u7528Linux\u7cfb\u7d71\u7684\u4f3a\u670d\u5668\u4e0a\uff0c\u512a\u5316\u4ee3\u78bc\u4e0d\u50c5\u80fd\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u57f7\u884c\u901f\u5ea6\uff0c\u9084\u80fd\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u4e00\u4e9b\u5e38\u898b\u7684Linux\u4ee3\u78bc\u512a\u5316\u5de5\u5177\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u5347\u4ee3\u78bc\u8cea\u91cf\u548c\u6027\u80fd\u3002<\/p>\n

1. GCC\uff08GNU Compiler Collection\uff09<\/h2>\n

GCC\u662f\u4e00\u500b\u529f\u80fd\u5f37\u5927\u7684\u7de8\u8b6f\u5668\u96c6\u5408\uff0c\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5305\u62ecC\u3001C++\u548cFortran\u3002GCC\u63d0\u4f9b\u4e86\u591a\u7a2e\u512a\u5316\u9078\u9805\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u8981\u9078\u64c7\u4e0d\u540c\u7684\u512a\u5316\u7d1a\u5225\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u555f\u7528\u512a\u5316\uff1a<\/p>\n

gcc -O2 -o my_program my_program.c<\/code><\/pre>\n
\u9019\u88e1\u7684-O2\u9078\u9805\u8868\u793a\u555f\u7528\u4e2d\u7b49\u7d1a\u5225\u7684\u512a\u5316\uff0c\u80fd\u5920\u5728\u4e0d\u589e\u52a0\u7de8\u8b6f\u6642\u9593\u7684\u60c5\u6cc1\u4e0b\u63d0\u9ad8\u57f7\u884c\u6548\u7387\u3002<\/p>\n
2. Valgrind<\/h2>\n
Valgrind\u662f\u4e00\u500b\u5f37\u5927\u7684\u5167\u5b58\u8abf\u8a66\u548c\u6027\u80fd\u5206\u6790\u5de5\u5177\u3002\u5b83\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u6aa2\u6e2c\u5167\u5b58\u6cc4\u6f0f\u3001\u672a\u521d\u59cb\u5316\u7684\u5167\u5b58\u8b80\u53d6\u4ee5\u53ca\u5176\u4ed6\u6f5b\u5728\u7684\u932f\u8aa4\u3002\u4f7f\u7528Valgrind\u9032\u884c\u6027\u80fd\u5206\u6790\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
valgrind --tool=callgrind .\/my_program<\/code><\/pre>\n
\u9019\u5c07\u751f\u6210\u4e00\u500b\u6027\u80fd\u5206\u6790\u5831\u544a\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u8b58\u5225\u4ee3\u78bc\u4e2d\u7684\u74f6\u9838\u3002<\/p>\n
3. Gprof<\/h2>\n
Gprof\u662f\u4e00\u500bGNU\u63d0\u4f9b\u7684\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u4e86\u89e3\u7a0b\u5e8f\u7684\u57f7\u884c\u6642\u9593\u5206\u4f48\u3002\u4f7f\u7528Gprof\u6642\uff0c\u9996\u5148\u9700\u8981\u5728\u7de8\u8b6f\u6642\u555f\u7528\u5206\u6790\u9078\u9805\uff1a<\/p>\n
gcc -pg -o my_program my_program.c<\/code><\/pre>\n
\u7136\u5f8c\u904b\u884c\u7a0b\u5e8f\u5f8c\uff0c\u6703\u751f\u6210\u4e00\u500bgmon.out\u6587\u4ef6\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u67e5\u770b\u5206\u6790\u7d50\u679c\uff1a<\/p>\n
gprof my_program gmon.out<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u6e05\u695a\u5730\u770b\u5230\u6bcf\u500b\u51fd\u6578\u7684\u57f7\u884c\u6642\u9593\uff0c\u5f9e\u800c\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002<\/p>\n
4. Perf<\/h2>\n
Perf\u662f\u4e00\u500b\u5f37\u5927\u7684\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u80fd\u5920\u63d0\u4f9b\u7cfb\u7d71\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u8a73\u7d30\u6027\u80fd\u6578\u64da\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6027\u80fd\u4e8b\u4ef6\u7684\u76e3\u63a7\uff0c\u5305\u62ecCPU\u4f7f\u7528\u7387\u3001\u5167\u5b58\u8a2a\u554f\u7b49\u3002\u4f7f\u7528Perf\u9032\u884c\u6027\u80fd\u5206\u6790\u7684\u57fa\u672c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
perf record -g .\/my_program<\/code><\/pre>\n
\u9019\u5c07\u8a18\u9304\u7a0b\u5e8f\u7684\u6027\u80fd\u6578\u64da\uff0c\u7136\u5f8c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u5831\u544a\uff1a<\/p>\n
perf report<\/code><\/pre>\n
5. Clang Static Analyzer<\/h2>\n
Clang Static Analyzer\u662f\u4e00\u500b\u975c\u614b\u4ee3\u78bc\u5206\u6790\u5de5\u5177\uff0c\u80fd\u5920\u5728\u7de8\u8b6f\u6642\u6aa2\u6e2c\u4ee3\u78bc\u4e2d\u7684\u6f5b\u5728\u932f\u8aa4\u548c\u6027\u80fd\u554f\u984c\u3002\u4f7f\u7528Clang\u9032\u884c\u975c\u614b\u5206\u6790\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
clang --analyze my_program.c<\/code><\/pre>\n
\u9019\u5c07\u751f\u6210\u4e00\u500b\u5831\u544a\uff0c\u6307\u51fa\u4ee3\u78bc\u4e2d\u7684\u554f\u984c\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u4fee\u6b63\u3002<\/p>\n
6. CMake<\/h2>\n
CMake\u662f\u4e00\u500b\u8de8\u5e73\u53f0\u7684\u81ea\u52d5\u5316\u69cb\u5efa\u7cfb\u7d71\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u7ba1\u7406\u5927\u578b\u9805\u76ee\u7684\u7de8\u8b6f\u904e\u7a0b\u3002\u901a\u904e\u5408\u7406\u914d\u7f6eCMake\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u512a\u5316\u7de8\u8b6f\u9078\u9805\uff0c\u5f9e\u800c\u63d0\u9ad8\u4ee3\u78bc\u7684\u57f7\u884c\u6548\u7387\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728Linux\u74b0\u5883\u4e2d\uff0c\u6709\u8a31\u591a\u5de5\u5177\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u512a\u5316\u4ee3\u78bc\u6027\u80fd\u3002\u5f9e\u7de8\u8b6f\u5668\u7684\u512a\u5316\u9078\u9805\u5230\u6027\u80fd\u5206\u6790\u5de5\u5177\uff0c\u9019\u4e9b\u5de5\u5177\u80fd\u5920\u63d0\u4f9b\u6709\u50f9\u503c\u7684\u6578\u64da\u548c\u5efa\u8b70\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u5347\u61c9\u7528\u7a0b\u5e8f\u7684\u6548\u7387\u3002\u7121\u8ad6\u662f\u4f7f\u7528GCC\u9032\u884c\u7de8\u8b6f\u512a\u5316\uff0c\u9084\u662f\u5229\u7528Valgrind\u548cPerf\u9032\u884c\u6027\u80fd\u5206\u6790\uff0c\u9019\u4e9b\u5de5\u5177\u90fd\u662f\u958b\u767c\u8005\u4e0d\u53ef\u6216\u7f3a\u7684\u52a9\u624b\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5728\u9999\u6e2f\u7684\u4f3a\u670d\u5668\u4e0a\u904b\u884c\u512a\u5316\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Linux\u4ee3\u78bc\u512a\u5316\u5de5\u5177\uff0c\u63d0\u5347\u6027\u80fd\u8207\u6548\u7387\uff0c\u4e86\u89e3\u5404\u7a2e\u5de5\u5177\u7684\u7279\u9ede\u8207\u4f7f\u7528\u65b9\u6cd5\uff0c\u52a9\u4f60\u512a\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4924],"tags":[],"class_list":["post-198445","post","type-post","status-publish","format-standard","hentry","category-setup-tutorials"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198445","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=198445"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/198445\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=198445"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=198445"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=198445"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}