{"id":34398,"date":"2019-04-24T12:46:26","date_gmt":"2019-04-24T04:46:26","guid":{"rendered":"https:\/\/blog.jetbrains.com\/cn\/?p=277"},"modified":"2020-02-10T20:44:25","modified_gmt":"2020-02-10T12:44:25","slug":"goland","status":"publish","type":"post","link":"https:\/\/blog.jetbrains.com\/zh-hans\/2019\/04\/24\/goland\/","title":{"rendered":"\u4ee5 GoLand \u8c03\u8bd5 \u2013 \u9ad8\u7ea7\u8c03\u8bd5\u529f\u80fd"},"content":{"rendered":"\u4ee5\u524d\u6211\u4eec\u89e3\u51b3\u4e86\u8bf8\u5982\u914d\u7f6e\u8c03\u8bd5\u5668\u548c\u8c03\u8bd5\u4f1a\u8bdd\u3001\u5982\u4f55\u63a7\u5236\u8c03\u8bd5\u5668\u6267\u884c\u6d41\u7a0b\u548c\u914d\u7f6e\u65ad\u70b9\u7b49\u95ee\u9898\uff0c\u8fd9\u4e9b\u662f\u00a02019.1 \u7248\u4e2d\u7684\u6700\u65b0\u6539\u8fdb\u3002\r\n\u5728\u4eca\u5929\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u4eec\u5c06\u8ba8\u8bba GoLand \u7684\u4e24\u4e2a\u9ad8\u7ea7\u8c03\u8bd5\u529f\u80fd\uff1a\u6838\u5fc3\u8f6c\u50a8\u8c03\u8bd5 (Core Dump debugging)\u00a0\u548c\u4f7f\u7528\u00a0\u53ef\u9006\u8c03\u8bd5\u5668 Mozilla rr\u3002\r\n\r\n\u8c03\u8bd5\u6838\u5fc3\u8f6c\u50a8\r\n\u6838\u5fc3\u8f6c\u50a8\u662f\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u5230\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u5185\u5b58\u5feb\u7167\u3002\u5b83\u4eec\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53ef\u89c6\u5316\u6240\u6709\u73b0\u5b58 goroutine\uff0c\u5305\u542b\u53d8\u91cf\u7684\u6240\u6709\u503c\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u6709\u6548 goroutine \u7684\u5f53\u524d\u6267\u884c\u70b9\u3002\r\n\u73b0\u5728\uff0cGoLand \u4ec5\u652f\u6301\u00a0Linux \u7cfb\u7edf\u4e0a\u7684\u6838\u5fc3\u8f6c\u50a8\uff0c\u4f46\u53ef\u4ee5\u5728\u4efb\u4f55\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u8bfb\u53d6\u548c\u5206\u6790\u5b83\u4eec\u3002\u6709\u4e24\u79cd\u65b9\u6cd5\u53ef\u4ee5\u83b7\u5f97\u6838\u5fc3\u8f6c\u50a8\u3002\r\n\u00a0\u5982\u679c\u6211\u4eec\u60f3\u8981\u67e5\u770b\u8fdb\u7a0b\u56e0\u5d29\u6e83\u800c\u7ec8\u6b62\u65f6\u7684\u5185\u5b58\u503c\uff0c\u6211\u4eec\u9700\u8981\u5c06ulimit\u00a0\u8bbe\u7f6e\u4e3a\u9ad8\u5f97\u5408\u7406\uff0c\u4f8b\u5982 sudo\u00a0ulimit -c unlimited\u00a0\uff0c\u5e76\u4e14\u914d\u7f6e\u4ee5\u4e0b\u73af\u5883\u53d8\u91cfGOTRACEBACK=crash\u00a0\u3002\u8fd9\u5c06\u786e\u4fdd Go \u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u65f6\u6253\u5370\u4e86\u5806\u6808\u8ddf\u8e2a\u5e76\u4e14\u5199\u5165\u4e86\u6838\u5fc3\u8f6c\u50a8\u6587\u4ef6\u3002\r\n\u4e3a\u4e86\u80fd\u591f\u4ece\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e2d\u83b7\u53d6\u6838\u5fc3\u8f6c\u50a8\u800c\u4e0d\u4f7f\u5176\u5d29\u6e83\uff0c\u6211\u4eec\u9700\u8981\u5728\u7cfb\u7edf\u4e0a\u5b89\u88c5 gdb \u4e14\u8fd0\u884c\u8fd9\u4e9b\u547d\u4ee4\uff1a\r\n\r\nsudo ulimit -c unlimited\r\necho 0 | sudo tee -a \/proc\/sys\/kernel\/yama\/ptrace_scope\r\n\u8bf7\u6ce8\u610f\uff0c\u8be5\u503c\u5c06\u5728\u7cfb\u7edf\u91cd\u542f\u65f6\u91cd\u7f6e\uff0c\u9700\u8981\u518d\u6b21\u914d\u7f6e\u3002\r\n\u4e3a\u4e86\u751f\u6210\u548c\u4f7f\u7528\u6838\u5fc3\u8f6c\u50a8\uff0c\u6211\u4eec\u9700\u8981\u914d\u7f6e IDE\uff0c\u4ee5\u4fbf\u5c06\u4e8c\u8fdb\u5236\u6587\u4ef6\u4fdd\u5b58\u5728\u5df2\u77e5\u4f4d\u7f6e\uff0c\u6bd4\u5982\u6211\u4eec\u7684\u9879\u76ee\u6839\u76ee\u5f55\u3002\r\n\r\n\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u50cf\u5f80\u5e38\u4e00\u6837\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\uff0c\u5e76\u4e14\u5f00\u59cb\u5411\u5b83\u53d1\u9001\u8bf7\u6c42\u3002\r\n\r\n\u63a5\u4e0b\u6765\uff0c\u786e\u5b9a\u5e94\u7528\u7a0b\u5e8f\u7684\u8fdb\u7a0b ID \u540e\uff0c\u53ef\u4ee5\u8c03\u7528\u00a0gcore <pid>\u00a0\u00a0\u5e76\u4e14\u83b7\u5f97\u8f6c\u50a8\u6587\u3002\r\n\r\n\u8981\u7814\u7a76 IDE \u4e2d\u7684\u6838\u5fc3\u8f6c\u50a8\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ece\u8fdc\u7a0b\u670d\u52a1\u5668\u751f\u6210\u7684\u6216\u8005\u8fd0\u884c\u4e0a\u8ff0\u547d\u4ee4\u751f\u6210\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u548c\u6838\u5fc3\u8f6c\u50a8\u3002\u7136\u540e\u8f6c\u5230\u00a0\u8fd0\u884c | \u6253\u5f00\u6838\u5fc3\u8f6c\u50a8 (Run | Open Core Dump )\u2026\u00a0\u5e76\u4e14\u9009\u62e9\u53ef\u6267\u884c\u6587\u4ef6\u548c\u6838\u5fc3\u8f6c\u50a8\u6587\u4ef6\u3002\u8fd9\u6837\u5c06\u6253\u5f00\u8c03\u8bd5\u5668\u754c\u9762\uff0c\u8ba9\u60a8\u67e5\u770b\u6b63\u5728\u8fd0\u884c\u7684 goroutine\u3001\u7ebf\u7a0b\u3001\u6240\u6709\u53d8\u91cf\u7684\u503c\u7684\u5217\u8868\u3002\u53ef\u4ee5\u4f7f\u7528\u00a0Evaluate\u00a0\u529f\u80fd\u6765\u7406\u89e3\u5e94\u7528\u7a0b\u5e8f\u5f53\u524d\u5728\u505a\u4ec0\u4e48\u3002\r\n\r\n\u4f7f\u7528\u6838\u5fc3\u8f6c\u50a8\u53ef\u4ee5\u5e2e\u52a9\u60a8\u786e\u5b9a goroutine \u88ab\u5361\u5728\u54ea\u91cc\u3001\u5b83\u4eec\u6709\u591a\u5c11\uff0c\u4ee5\u53ca\u53d1\u751f\u95ee\u9898\u65f6\u5b83\u4eec\u5728\u5185\u5b58\u4e2d\u7684\u503c\u3002\r\n\r\nMozilla rr \u53ef\u9006\u8c03\u8bd5\u5668\r\n\u7136\u800c\uff0c\u4f7f\u7528\u6838\u5fc3\u8f6c\u50a8\u662f\u4e00\u4e2a\u9759\u6001\u8fc7\u7a0b\u3002\u6709\u65f6\u5019bug\u5f88\u96be\u518d\u73b0\uff0c\u9700\u8981\u5f88\u591a\u8c03\u8bd5\u4f1a\u8bdd\u624d\u80fd\u91cd\u73b0\uff0c\u7136\u540e\u518d\u7ecf\u8fc7\u66f4\u591a\u6b21\u8c03\u8bd5\u6765\u67e5\u770b\u95ee\u9898\u662f\u5426\u4fee\u590d\u3002\r\n\u8fdb\u5165\u53ef\u9006\u8c03\u8bd5\u5668\u3002\u8fd9\u4e9b\u8c03\u8bd5\u5668\u4e0d\u4ec5\u5141\u8bb8\u6211\u4eec\u5728\u6267\u884c\u4e2d\u524d\u8fdb\uff0c\u800c\u4e14\u8fd8\u53ef\u4ee5\u8fd4\u56de\u5e76\u4e14\u6709\u6548\u5730\u64a4\u6d88\u6b65\u9aa4\u4e4b\u95f4\u7684\u6240\u6709\u64cd\u4f5c\u3002Delve\u00a0\u662f GoLand \u4f7f\u7528\u7684 Go \u8c03\u8bd5\u5668\uff0c\u901a\u8fc7\u4f7f\u7528\u00a0Mozilla \u7684 rr \u9879\u76ee\u4ee5\u652f\u6301\u8fd9\u7c7b\u529f\u80fd\u3002\u4ece\u00a0rr \u9879\u76ee\u7684\u5b9a\u4e49\u53ef\u4ee5\u770b\u51fa\uff0c\u5176\u4f7f\u547d\u662f\u5141\u8bb8\u201c\u5728\u8c03\u8bd5\u5668\u4e2d\u91cd\u590d\u6267\u884c\u5931\u8d25\u7684\u6267\u884c\uff0c\u76f4\u5230\u5b8c\u5168\u7406\u89e3\u5b83\u4e3a\u6b62\u201d\u3002\r\n\u4f7f\u7528\u00a0rr\u00a0\u7684\u53e6\u4e00\u4e2a\u4f18\u52bf\u5728\u4e8e\uff0c\u5b83\u5728\u5f55\u5236\u4f1a\u8bdd\u671f\u95f4\u7684\u6267\u884c\u5f00\u9500\u5f88\u4f4e\u3002\u8fd9\u610f\u5473\u7740\u5b83\u53ef\u4ee5\u7528\u4e8e\u751f\u4ea7\u7cfb\u7edf\u6216\u7c7b\u4f3c\u4e8e\u751f\u4ea7\u7684\u91d1\u4e1d\u96c0\u7cfb\u7edf (canary systems)\uff0c\u4ee5\u4fbf\u6355\u83b7\u65e0\u6cd5\u4ee5\u5176\u4ed6\u65b9\u5f0f\u518d\u73b0\u7684\u9519\u8bef\uff0c\u7136\u540e\u5728\u5f00\u53d1\u73af\u5883\u4e2d\u8212\u9002\u5730\u8c03\u67e5\u3002\r\n\u6211\u4eec\u770b\u770b\u5b83\u7684\u8fd0\u884c\u60c5\u51b5\u3002\u5f00\u59cb\u524d\uff0c\u5e94\u8be5\u63d0\u524d\u4e86\u89e3\u90a3\u4e9b\u5bf9\u4e8e\u00a0rr\u00a0\u53ef\u4ee5\u5728\u54ea\u91cc\u8fd0\u884c\u7684\u4e25\u683c\u9650\u5236\u3002\r\n\u5b83\u53ea\u80fd\u5728\u00a0Linux\u00a0\u4e0a\u8fd0\u884c\uff0c\u5e76\u4e14\u5bf9\u786c\u4ef6\/\u865a\u62df\u673a\u529f\u80fd\u6709\u4e00\u4e9b\u9650\u5236\u3002\u8fd9\u4e9b\u4f1a\u5f71\u54cd\u8c03\u8bd5\u89e3\u51b3\u65b9\u6848\u7684\u6709\u7528\u6027\u3002\u4f46\u662f\uff0c\u4e00\u65e6\u73af\u5883\u6ee1\u8db3\u8981\u6c42\uff0c\u5b83\u5c06\u6210\u4e3a\u6700\u5f3a\u5927\u7684\u89e3\u51b3\u65b9\u6848\u4e4b\u4e00\u3002\r\n\u5b89\u88c5 rr\u00a0\u540e\uff0c\u6211\u4eec\u9700\u8981\u8fd0\u884c\u51e0\u4e2a\u547d\u4ee4\uff0c\u4ee5\u4fbf\u00a0rr\u00a0\u53ef\u4ee5\u6267\u884c\u5f55\u5236\u90e8\u5206\uff1a\r\n\r\necho -1 | sudo tee -a \/proc\/sys\/kernel\/perf_event_paranoid\r\necho 0 | sudo tee -a \/proc\/sys\/kernel\/kptr_restrict\r\n\u8fd9\u4e9b\u8bbe\u7f6e\u4e0d\u662f\u6c38\u4e45\u7684\uff0c\u91cd\u542f\u673a\u5668\u540e\u9700\u8981\u518d\u6b21\u5e94\u7528\u8fd9\u4e9b\u8bbe\u7f6e\u3002\r\n\u70b9\u51fb\u4e3b\u51fd\u6570\u65c1\u8fb9\u7684\u7eff\u8272\u7bad\u5934\uff0c\u7136\u540e\u9009\u62e9\u00a0\u8bb0\u5f55\u548c\u8c03\u8bd5 (Record and Debug\u2026)\u00a0\u8fd9\u5c06\u542f\u52a8\u8981\u6c42\u7684\u7f16\u8bd1\u6b65\u9aa4\uff0c\u7136\u540e\u8c03\u8bd5\u5668\u5728\u540e\u7aef\u4f7f\u7528\u00a0rr\u3002\r\n\r\n\u5bf9\u4e8e\u8bbe\u8ba1\u4e3a\u8fde\u7eed\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982\u793a\u4f8b\u4ee3\u7801\u4e2d\u7684Web\u670d\u52a1\u5668\uff0c\u6211\u4eec\u9700\u8981\u505c\u6b62\u8c03\u8bd5\u5668\uff0c\u7136\u540e\u9009\u62e9\u00a0Run | \u8c03\u8bd5\u4fdd\u5b58\u7684\u8ddf\u8e2a (Debug Saved Trace\u2026)\u00a0\u9ed8\u8ba4\u5c06\u9009\u62e9\u6700\u65b0\u7684\u00a0rr\u00a0\u4f1a\u8bdd\uff0c\u6240\u4ee5\u6211\u4eec\u53ef\u4ee5\u70b9\u51fb\u201c\u786e\u5b9a\u201d\u6309\u94ae\u5f00\u59cb\u8c03\u8bd5\u4f1a\u8bdd\u3002\r\n\r\n\u5bf9\u4e8e\u5df2\u7ecf\u786e\u5b9a\u7ec8\u6b62\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f8b\u5982 CLI \u5e94\u7528\u7a0b\u5e8f\uff0cGoLand \u5c06\u81ea\u52a8\u542f\u52a8\u91cd\u64ad\u4f1a\u8bdd\u3002\r\n\u8fd9\u662f\u8c03\u8bd5\u4f1a\u8bdd\u4e0e\u5e38\u89c4\u8c03\u8bd5\u4f1a\u8bdd\u7684\u4e0d\u540c\u4e4b\u5904\u3002\u5728\u4f1a\u8bdd\u7684\u201c\u8bb0\u5f55\u201d\u671f\u95f4\uff0c\u8c03\u8bd5\u5668\u4e0d\u4f1a\u5728\u65ad\u70b9\u5904\u505c\u6b62\uff1b\u5b83\u53ea\u4f1a\u91cd\u64ad\u6240\u6709\u52a8\u4f5c\u3002\u5982\u679c\u6ca1\u6709\u8bbe\u7f6e\u65ad\u70b9\uff0c\u5219\u8c03\u8bd5\u5668\u5c06\u7ed3\u675f\uff0c\u6211\u4eec\u9700\u8981\u624b\u52a8\u91cd\u653e\u4e0a\u4e00\u4e2a\u4f1a\u8bdd\uff0c\u540c\u65f6\u9700\u8981\u5b58\u5728\u65ad\u70b9 - 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(Rewind)\u201d\u529f\u80fd\u8fd4\u56de\u5230\u65ad\u70b9\uff0c\u5e76\u4ece\u90a3\u91cc\u91cd\u8bd5\u6267\u884c\u3002\u76d1\u89c6\u53d8\u91cf\u6216\u8bc4\u4f30\u8868\u8fbe\u5f0f\u7b49\u529f\u80fd\u4e5f\u4f1a\u8d77\u4f5c\u7528\u3002\r\n\r\n\u5e0c\u671b\u672c\u6587\u80fd\u5e2e\u52a9\u60a8\u4e86\u89e3\u8fd9\u4e2a\u65b0\u5de5\u5177\u7684\u5f3a\u5927\u4e4b\u5904\uff0c\u5b83\u53ef\u4ee5\u534f\u52a9\u4f60\u52a0\u5feb\u67e5\u627e\u548c\u4fee\u590d\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u9519\u8bef\u3002\r\n\u548c\u5f80\u5e38\u4e00\u6837\uff0c\u5982\u679c\u60a8\u6709\u4efb\u4f55\u610f\u89c1\u6216\u60f3\u4e86\u89e3\u66f4\u591a\u76f8\u5173\u4fe1\u606f\uff0c\u6b22\u8fce\u60a8\u901a\u8fc7\u6211\u4eec\u7684\u5b98\u65b9\u5fae\u535a\u548c\u5fae\u4fe1\u544a\u8bc9\u6211\u4eec\u60a8\u5bf9\u6b64\u7684\u770b\u6cd5\uff0c\u00a0\u6216\u5728YouTrack\u5199\u4e0b\u60a8\u7684\u53cd\u9988\u6216\u95ee\u9898\u3002\r\n\r\n\u539f\u6587\u53d1\u8868\u4e8e2019\u5e743\u67084\u65e5\uff0c\u4f5c\u8005\u00a0Florin 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