{"id":61325,"date":"2025-04-29T08:51:23","date_gmt":"2025-04-29T00:51:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/61325\/"},"modified":"2025-04-29T08:51:23","modified_gmt":"2025-04-29T00:51:23","slug":"%e4%bd%bf%e7%94%a8valgrind%e5%9c%a8linux%e7%b3%bb%e7%bb%9f%e4%b8%8a%e8%bf%9b%e8%a1%8c%e5%86%85%e5%ad%98%e6%b3%84%e6%bc%8f%e6%a3%80%e6%b5%8b%e7%9a%84%e9%85%8d%e7%bd%ae%e6%96%b9%e6%b3%95-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/61325\/","title":{"rendered":"\u4f7f\u7528Valgrind\u5728Linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7684\u914d\u7f6e\u65b9\u6cd5"},"content":{"rendered":"<p>\u4f7f\u7528valgrind\u5728linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7684\u914d\u7f6e\u65b9\u6cd5<\/p>\n<p>\u5f15\u8a00\uff1a<br \/>\u5185\u5b58\u6cc4\u6f0f\u662f\u8f6f\u4ef6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u5b83\u901a\u5e38\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u53d8\u6162\uff0c\u751a\u81f3\u5d29\u6e83\u3002\u4e3a\u4e86\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u501f\u52a9\u5de5\u5177\u6765\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u7684\u68c0\u6d4b\u3002\u5728Linux\u7cfb\u7edf\u4e0b\uff0c\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u5de5\u5177\u5c31\u662fValgrind\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6e\u548c\u4f7f\u7528Valgrind\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u7684\u68c0\u6d4b\uff0c\u5e76\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5177\u4f53\u7684\u64cd\u4f5c\u8fc7\u7a0b\u3002<\/p>\n<p>\u6b65\u9aa4\u4e00\uff1a\u5b89\u88c5Valgrind<br \/>\u5728Linux\u7cfb\u7edf\u4e0a\u5b89\u88c5Valgrind\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5305\u7ba1\u7406\u5de5\u5177\u5982apt\u6216yum\u76f4\u63a5\u5b89\u88c5Valgrind\u3002\u5728Ubuntu\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<pre>sudo apt-get install valgrind<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u6b65\u9aa4\u4e8c\uff1a\u7f16\u5199\u4ee3\u7801\u793a\u4f8b<br \/>\u4e3a\u4e86\u6f14\u793aValgrind\u7684\u4f7f\u7528\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684C\u7a0b\u5e8f\u3002\u7a0b\u5e8f\u7684\u529f\u80fd\u662f\u521b\u5efa\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\uff0c\u5728\u7a0b\u5e8f\u7ed3\u675f\u524d\u6ca1\u6709\u91ca\u653e\u8be5\u6570\u7ec4\u6240\u5360\u7528\u7684\u5185\u5b58\u3002\u4ee5\u4e0b\u662f\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n\nvoid create_array(int length) {\n    int* array = malloc(length * sizeof(int));\n    for (int i = 0; i &lt;p&gt;\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728create_array\u51fd\u6570\u4e2d\u4f7f\u7528malloc\u5206\u914d\u4e86\u4e00\u6bb5\u5185\u5b58\uff0c\u4f46\u5728\u7a0b\u5e8f\u7ed3\u675f\u524d\u6ca1\u6709\u91ca\u653e\u8be5\u5185\u5b58\u3002&lt;\/p&gt;\n&lt;p&gt;\u6b65\u9aa4\u4e09\uff1a\u4f7f\u7528Valgrind\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b&lt;br&gt;\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884cValgrind\u547d\u4ee4\u6765\u68c0\u6d4b\u5185\u5b58\u6cc4\u6f0f\u3002\u4ee5\u4e0b\u662fValgrind\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\uff1a&lt;\/p&gt;\n&lt;pre class=\"brush:php;toolbar:false;\"&gt;valgrind [\u9009\u9879] [\u5f85\u68c0\u6d4b\u7684\u7a0b\u5e8f\u53ca\u53c2\u6570]<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fd0\u884cValgrind\uff0c\u5e76\u68c0\u6d4b\u6211\u4eec\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>valgrind --leak-check=full .\/a.out<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c&#8221;&#8211;leak-check=full&#8221;\u8868\u793a\u8fdb\u884c\u5b8c\u6574\u7684\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\uff0c&#8221;.\/a.out&#8221;\u8868\u793a\u8fd0\u884c\u5f53\u524d\u76ee\u5f55\u4e0b\u540d\u4e3a&#8221;a.out&#8221;\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002<\/p>\n<p>\u6b65\u9aa4\u56db\uff1a\u5206\u6790Valgrind\u7684\u8f93\u51fa\u7ed3\u679c<br \/>Valgrind\u4f1a\u8f93\u51fa\u8be6\u7ec6\u7684\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7ed3\u679c\u3002\u4ee5\u4e0b\u662fValgrind\u5bf9\u6211\u4eec\u7684\u4ee3\u7801\u793a\u4f8b\u7684\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre>==18708== Memcheck, a memory error detector\n==18708== Copyright (C) 2002-2017, and GNU GPL'd, by Julian Seward et al.\n==18708== Using Valgrind-3.13.0 and LibVEX; rerun with -h for copyright info\n==18708== Command: .\/a.out\n==18708== \n==18708== \n==18708== HEAP SUMMARY:\n==18708==     in use at exit: 400 bytes in 1 blocks\n==18708==   total heap usage: 1 allocs, 0 frees, 400 bytes allocated\n==18708== \n==18708== 400 bytes in 1 blocks are definitely lost in loss record 1 of 1\n==18708==    at 0x4C2AB80: malloc (in \/usr\/lib\/valgrind\/vgpreload_memcheck-amd64-linux.so)\n==18708==    by 0x40059D: create_array (main.c:6)\n==18708==    by 0x4005A8: main (main.c:11)\n==18708== \n==18708== LEAK SUMMARY:\n==18708==    definitely lost: 400 bytes in 1 blocks\n==18708==    indirectly lost: 0 bytes in 0 blocks\n==18708==      possibly lost: 0 bytes in 0 blocks\n==18708==    still reachable: 0 bytes in 0 blocks\n==18708==         suppressed: 0 bytes in 0 blocks\n==18708== \n==18708== For counts of detected and suppressed errors, rerun with: -v\n==18708== ERROR SUMMARY: 1 errors from 1 contexts (suppressed: 0 from 0)<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>Valgrind\u7684\u8f93\u51fa\u7ed3\u679c\u5305\u542b\u4e86\u4ee5\u4e0b\u91cd\u8981\u7684\u4fe1\u606f\uff1a<\/p>\n<ul>\n<li>HEAP SUMMARY: \u7528\u4e8e\u8bf4\u660e\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002\u672c\u4f8b\u4e2d\uff0c\u7a0b\u5e8f\u5728\u9000\u51fa\u65f6\u6709400\u5b57\u8282\u7684\u5185\u5b58\u4ecd\u7136\u88ab\u4f7f\u7528\uff0c\u5e76\u4e14\u53ea\u8fdb\u884c\u8fc7\u4e00\u6b21\u5185\u5b58\u5206\u914d\u3002<\/li>\n<li>LEAK SUMMARY: \u7528\u4e8e\u603b\u7ed3\u5185\u5b58\u6cc4\u6f0f\u7684\u60c5\u51b5\u3002\u672c\u4f8b\u4e2d\uff0c\u6709400\u5b57\u8282\u7684\u5185\u5b58\u5728\u4ee3\u7801\u793a\u4f8b\u7684\u6700\u540e\u672a\u88ab\u91ca\u653e\u3002<\/li>\n<li>ERROR SUMMARY: \u7528\u4e8e\u5c55\u793a\u9519\u8bef\u4fe1\u606f\u7684\u6458\u8981\u3002\u672c\u4f8b\u4e2d\uff0cValgrind\u68c0\u6d4b\u5230\u4e861\u4e2a\u9519\u8bef\u3002<\/li>\n<\/ul>\n<p>\u7ed3\u8bba\uff1a<br \/>Valgrind\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u7b49\u5185\u5b58\u76f8\u5173\u7684\u95ee\u9898\u3002\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e0a\u5b89\u88c5\u3001\u914d\u7f6e\u548c\u4f7f\u7528Valgrind\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\uff0c\u5e76\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u4e86\u8bf4\u660e\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u591f\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u8fdb\u884c\u5185\u5b58\u7ba1\u7406\u548c\u8c03\u8bd5\u5de5\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528Valgrind\u5728Linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7684\u914d\u7f6e\u65b9\u6cd5\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528valgrind\u5728linux\u7cfb\u7edf\u4e0a\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7684\u914d\u7f6e\u65b9\u6cd5 \u5f15\u8a00\uff1a\u5185\u5b58\u6cc4\u6f0f\u662f\u8f6f\u4ef6\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5e38\u89c1\u7684\u95ee\u9898\u4e4b\u4e00\u3002\u5b83\u901a\u5e38\u4f1a\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u53d8\u6162\uff0c\u751a\u81f3\u5d29\u6e83\u3002\u4e3a\u4e86\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u5f00\u53d1\u4eba\u5458\u9700\u8981\u501f\u52a9\u5de5\u5177\u6765\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u7684\u68c0\u6d4b\u3002\u5728Linux\u7cfb\u7edf\u4e0b\uff0c\u4e00\u4e2a\u5e7f\u6cdb\u4f7f\u7528\u7684\u5de5\u5177\u5c31\u662fValgrind\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u914d\u7f6e\u548c\u4f7f\u7528Valgrind\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u7684\u68c0\u6d4b\uff0c\u5e76\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5177\u4f53\u7684\u64cd\u4f5c\u8fc7\u7a0b\u3002 \u6b65\u9aa4\u4e00\uff1a\u5b89\u88c5Valgrind\u5728Linux\u7cfb\u7edf\u4e0a\u5b89\u88c5Valgrind\u975e\u5e38\u7b80\u5355\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5305\u7ba1\u7406\u5de5\u5177\u5982apt\u6216yum\u76f4\u63a5\u5b89\u88c5Valgrind\u3002\u5728Ubuntu\u4e0a\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a sudo apt-get install valgrind \u767b\u5f55\u540e\u590d\u5236 \u6b65\u9aa4\u4e8c\uff1a\u7f16\u5199\u4ee3\u7801\u793a\u4f8b\u4e3a\u4e86\u6f14\u793aValgrind\u7684\u4f7f\u7528\uff0c\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684C\u7a0b\u5e8f\u3002\u7a0b\u5e8f\u7684\u529f\u80fd\u662f\u521b\u5efa\u4e00\u4e2a\u6574\u578b\u6570\u7ec4\uff0c\u5728\u7a0b\u5e8f\u7ed3\u675f\u524d\u6ca1\u6709\u91ca\u653e\u8be5\u6570\u7ec4\u6240\u5360\u7528\u7684\u5185\u5b58\u3002\u4ee5\u4e0b\u662f\u4ee3\u7801\u793a\u4f8b\uff1a #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; void create_array(int length) { int* array = malloc(length * sizeof(int)); for (int i = 0; i &lt;p&gt;\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5728create_array\u51fd\u6570\u4e2d\u4f7f\u7528malloc\u5206\u914d\u4e86\u4e00\u6bb5\u5185\u5b58\uff0c\u4f46\u5728\u7a0b\u5e8f\u7ed3\u675f\u524d\u6ca1\u6709\u91ca\u653e\u8be5\u5185\u5b58\u3002&lt;\/p&gt; &lt;p&gt;\u6b65\u9aa4\u4e09\uff1a\u4f7f\u7528Valgrind\u8fdb\u884c\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b&lt;br&gt;\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884cValgrind\u547d\u4ee4\u6765\u68c0\u6d4b\u5185\u5b58\u6cc4\u6f0f\u3002\u4ee5\u4e0b\u662fValgrind\u547d\u4ee4\u7684\u57fa\u672c\u8bed\u6cd5\uff1a&lt;\/p&gt; &lt;pre class=&#8221;brush:php;toolbar:false;&#8221;&gt;valgrind [\u9009\u9879] [\u5f85\u68c0\u6d4b\u7684\u7a0b\u5e8f\u53ca\u53c2\u6570] \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u8fd0\u884cValgrind\uff0c\u5e76\u68c0\u6d4b\u6211\u4eec\u7684\u4ee3\u7801\u793a\u4f8b\uff1a valgrind &#8211;leak-check=full .\/a.out \u767b\u5f55\u540e\u590d\u5236 \u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c&#8221;&#8211;leak-check=full&#8221;\u8868\u793a\u8fdb\u884c\u5b8c\u6574\u7684\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\uff0c&#8221;.\/a.out&#8221;\u8868\u793a\u8fd0\u884c\u5f53\u524d\u76ee\u5f55\u4e0b\u540d\u4e3a&#8221;a.out&#8221;\u7684\u53ef\u6267\u884c\u6587\u4ef6\u3002 \u6b65\u9aa4\u56db\uff1a\u5206\u6790Valgrind\u7684\u8f93\u51fa\u7ed3\u679cValgrind\u4f1a\u8f93\u51fa\u8be6\u7ec6\u7684\u5185\u5b58\u6cc4\u6f0f\u68c0\u6d4b\u7ed3\u679c\u3002\u4ee5\u4e0b\u662fValgrind\u5bf9\u6211\u4eec\u7684\u4ee3\u7801\u793a\u4f8b\u7684\u8f93\u51fa\u7ed3\u679c\uff1a ==18708== Memcheck, a memory error detector ==18708== Copyright (C) 2002-2017, and GNU [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-61325","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61325","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=61325"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/61325\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=61325"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=61325"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=61325"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}