{"id":61187,"date":"2025-04-29T09:02:33","date_gmt":"2025-04-29T01:02:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61187\/"},"modified":"2025-04-29T09:02:33","modified_gmt":"2025-04-29T01:02:33","slug":"%e8%a7%a3%e5%86%b3linux%e7%b3%bb%e7%bb%9f%e5%86%85%e5%ad%98%e9%97%ae%e9%a2%98-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61187\/","title":{"rendered":"\u89e3\u51b3Linux\u7cfb\u7edf\u5185\u5b58\u95ee\u9898"},"content":{"rendered":"

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    \n
  1. \u4f7f\u7528\u5185\u5b58\u5206\u6790\u5de5\u5177\uff1aLinux\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u5b58\u5206\u6790\u5de5\u5177\uff0c\u5982Valgrind\u3001GDB\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5206\u6790\u7a0b\u5e8f\u4e2d\u7684\u5185\u5b58\u95ee\u9898\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\uff0c\u53ef\u4ee5\u627e\u51fa\u5185\u5b58\u6cc4\u6f0f\u7684\u5730\u65b9\uff0c\u5e76\u5b9a\u4f4d\u5230\u5177\u4f53\u7684\u4ee3\u7801\u884c\u3002<\/li>\n
  2. \u68c0\u67e5\u52a8\u6001\u5185\u5b58\u7533\u8bf7\u548c\u91ca\u653e\u7684\u5339\u914d\uff1a\u5728\u7a0b\u5e8f\u4e2d\uff0c\u52a8\u6001\u5185\u5b58\u7684\u7533\u8bf7\u548c\u91ca\u653e\u5e94\u8be5\u4fdd\u6301\u5339\u914d\u3002\u5373\u6bcf\u6b21\u7533\u8bf7\u5185\u5b58\u540e\uff0c\u90fd\u5e94\u8be5\u5728\u9002\u5f53\u7684\u4f4d\u7f6e\u91ca\u653e\u76f8\u540c\u5927\u5c0f\u7684\u5185\u5b58\u3002\u786e\u4fdd\u5728\u7a0b\u5e8f\u4e2d\u6ca1\u6709\u9057\u6f0f\u7684\u5185\u5b58\u7533\u8bf7\u6216\u8005\u672a\u88ab\u91ca\u653e\u7684\u5185\u5b58\u3002<\/li>\n
  3. \u6ce8\u610f\u5faa\u73af\u5f15\u7528\u95ee\u9898\uff1a\u5faa\u73af\u5f15\u7528\u662f\u6307\u4e24\u4e2a\u6216\u591a\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u76f8\u4e92\u5f15\u7528\uff0c\u5bfc\u81f4\u5b83\u4eec\u65e0\u6cd5\u88ab\u5783\u573e\u56de\u6536\u5668\u56de\u6536\u3002\u5728\u4f7f\u7528\u52a8\u6001\u5185\u5b58\u5206\u914d\u65f6\uff0c\u5e94\u8be5\u7279\u522b\u6ce8\u610f\u5faa\u73af\u5f15\u7528\u7684\u95ee\u9898\u3002\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528\u5f31\u5f15\u7528\u6216\u8005\u624b\u52a8\u65ad\u5f00\u5f15\u7528\u5173\u7cfb\u6765\u89e3\u51b3\u5faa\u73af\u5f15\u7528\u95ee\u9898\u3002<\/li>\n
  4. \u9002\u5f53\u4f7f\u7528\u7f13\u5b58\uff1a\u7f13\u5b58\u662f\u4e00\u79cd\u63d0\u9ad8\u7a0b\u5e8f\u6027\u80fd\u7684\u5e38\u7528\u65b9\u6cd5\uff0c\u4f46\u662f\u8fc7\u5ea6\u4f7f\u7528\u7f13\u5b58\u53ef\u80fd\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u7f13\u5b58\u65f6\uff0c\u9700\u8981\u5408\u7406\u4f30\u8ba1\u7f13\u5b58\u7684\u5bb9\u91cf\uff0c\u5e76\u8bbe\u7f6e\u76f8\u5e94\u7684\u9650\u5236\u3002\u53ca\u65f6\u6e05\u7406\u4e0d\u518d\u4f7f\u7528\u7684\u7f13\u5b58\u5bf9\u8c61\uff0c\u907f\u514d\u5360\u7528\u8fc7\u591a\u7684\u5185\u5b58\u3002<\/li>\n
  5. \u9488\u5bf9\u7279\u5b9a\u573a\u666f\u8fdb\u884c\u4f18\u5316\uff1a\u4e0d\u540c\u7684\u7a0b\u5e8f\u5728\u4e0d\u540c\u7684\u573a\u666f\u4e0b\u53ef\u80fd\u4f1a\u51fa\u73b0\u4e0d\u540c\u7684\u5185\u5b58\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u5e94\u8be5\u9488\u5bf9\u7279\u5b9a\u7684\u573a\u666f\u8fdb\u884c\u5185\u5b58\u4f18\u5316\u3002\u4f8b\u5982\uff0c\u5728\u5904\u7406\u5927\u6570\u636e\u91cf\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u5206\u6279\u6b21\u5904\u7406\u6570\u636e\uff0c\u9632\u6b62\u4e00\u6b21\u6027\u52a0\u8f7d\u8fc7\u591a\u7684\u6570\u636e\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa\u3002<\/li>\n<\/ol>\n

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      \n
    1. \u5408\u7406\u4f30\u8ba1\u5185\u5b58\u9700\u6c42\uff1a\u5728\u7f16\u5199\u7a0b\u5e8f\u65f6\uff0c\u5e94\u8be5\u5408\u7406\u4f30\u8ba1\u7a0b\u5e8f\u6240\u9700\u7684\u5185\u5b58\u3002\u53ef\u4ee5\u901a\u8fc7\u76d1\u63a7\u7a0b\u5e8f\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u6765\u8fdb\u884c\u8bc4\u4f30\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8c03\u6574\u5185\u5b58\u5206\u914d\u7684\u7b56\u7565\u3002<\/li>\n
    2. \u53ca\u65f6\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\uff1a\u7a0b\u5e8f\u5728\u4f7f\u7528\u5b8c\u5185\u5b58\u540e\uff0c\u5e94\u8be5\u53ca\u65f6\u5c06\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\u91ca\u653e\uff0c\u4ee5\u4fbf\u5176\u4ed6\u7a0b\u5e8f\u53ef\u4ee5\u7ee7\u7eed\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4f7f\u7528\u5b8c\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58\u540e\uff0c\u5e94\u8be5\u8c03\u7528free()\u51fd\u6570\u91ca\u653e\u5185\u5b58\u3002<\/li>\n
    3. \u4f7f\u7528\u5185\u5b58\u7ba1\u7406\u5de5\u5177\uff1aLinux\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5185\u5b58\u7ba1\u7406\u5de5\u5177\uff0c\u5982malloc()\u3001calloc()\u3001realloc()\u7b49\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u914d\u5185\u5b58\u3002\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u8ddf\u8e2a\u548c\u8c03\u8bd5\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u7684\u8fc7\u7a0b\u3002<\/li>\n
    4. \u5408\u7406\u8bbe\u8ba1\u6570\u636e\u7ed3\u6784\uff1a\u5408\u7406\u7684\u6570\u636e\u7ed3\u6784\u8bbe\u8ba1\u6709\u52a9\u4e8e\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u3002\u4f7f\u7528\u7d27\u51d1\u7684\u6570\u636e\u7ed3\u6784\u3001\u907f\u514d\u5197\u4f59\u6570\u636e\u7b49\uff0c\u53ef\u4ee5\u6709\u6548\u51cf\u5c11\u5185\u5b58\u7684\u5360\u7528\u3002<\/li>\n
    5. \u8c03\u6574\u7cfb\u7edf\u53c2\u6570\uff1a\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u4e00\u4e9b\u7cfb\u7edf\u53c2\u6570\u6765\u4f18\u5316\u5185\u5b58\u5206\u914d\u548c\u7ba1\u7406\u3002\u4f8b\u5982\uff0c\u8c03\u6574\u5185\u5b58\u6620\u5c04\u6587\u4ef6\u7684\u9650\u5236\uff08vm.max_map_count\uff09\u3001\u8c03\u6574\u9875\u9762\u5927\u5c0f\uff08vm.page-cluster\uff09\u7b49\u3002<\/li>\n<\/ol>\n

      \u603b\u4e4b\uff0c\u5185\u5b58\u6cc4\u6f0f\u548c\u5185\u5b58\u6ea2\u51fa\u662fLinux\u7cfb\u7edf\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\uff0c\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\u9700\u8981\u5f00\u53d1\u4eba\u5458\u548c\u7cfb\u7edf\u7ba1\u7406\u5458\u5171\u540c\u52aa\u529b\u3002\u901a\u8fc7\u4f7f\u7528\u5408\u9002\u7684\u5de5\u5177\uff0c\u5408\u7406\u7ba1\u7406\u5185\u5b58\u5206\u914d\u4e0e\u91ca\u653e\uff0c\u4ee5\u53ca\u5bf9\u7279\u5b9a\u573a\u666f\u8fdb\u884c\u4f18\u5316\u7b49\u624b\u6bb5\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u548c\u5185\u5b58\u6ea2\u51fa\u95ee\u9898\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u7a33\u5b9a\u6027\u548c\u6027\u80fd\u3002<\/p>\n

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