{"id":62789,"date":"2025-04-29T15:39:13","date_gmt":"2025-04-29T07:39:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/62789\/"},"modified":"2025-04-29T15:39:13","modified_gmt":"2025-04-29T07:39:13","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96linux%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%9a%84%e6%80%a7%e8%83%bd%e4%b8%8e%e8%b5%84%e6%ba%90%e5%88%a9%e7%94%a8-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/62789\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528"},"content":{"rendered":"

\"\u5982\u4f55\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528\u63d2\u56fe\"<\/p>\n

\u5982\u4f55\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b<\/p>\n

\u6458\u8981\uff1a
Linux\u670d\u52a1\u5668\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7684\u4f18\u5316\u662f\u4fdd\u8bc1\u670d\u52a1\u5668\u8fd0\u884c\u7a33\u5b9a\u548c\u9ad8\u6548\u7684\u5173\u952e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316Linux\u670d\u52a1\u5668\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u5f15\u8a00\uff1a
\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5927\u91cf\u7684\u5e94\u7528\u548c\u670d\u52a1\u90fd\u90e8\u7f72\u5728Linux\u670d\u52a1\u5668\u4e0a\u3002\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u5668\u8fd0\u884c\u7684\u9ad8\u6548\u7a33\u5b9a\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u4f18\u5316\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u6765\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u6548\u7387\u3002<\/p>\n

\u4e00\u3001CPU\u6027\u80fd\u4f18\u5316<\/p>\n

    \n
  1. \u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u4f18\u5316
    \u5728\u670d\u52a1\u5668\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u662f\u5f88\u5e38\u89c1\u7684\u3002\u5408\u7406\u4f18\u5316\u591a\u7ebf\u7a0b\u7f16\u7a0b\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u5229\u7528\u670d\u52a1\u5668\u7684\u591a\u6838CPU\u8d44\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u591a\u7ebf\u7a0b\u7f16\u7a0b\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n
    #include <stdio.h>\n#include <pthread.h>\n\n#define NUM_THREADS 4\n\nvoid *calculate(void *arg) {\n    \/\/ \u8ba1\u7b97\u903b\u8f91\n\n    return NULL;\n}\n\nint main() {\n    pthread_t threads[NUM_THREADS];\n    \n    for (int i = 0; i <ol start=\"2\"><li>CPU\u4eb2\u548c\u6027\u7684\u8bbe\u7f6e<br>CPU\u4eb2\u548c\u6027\u53ef\u4ee5\u5c06\u7279\u5b9a\u7ebf\u7a0b\u7ed1\u5b9a\u5230\u6307\u5b9a\u7684CPU\u6838\u5fc3\u4e0a\uff0c\u4ee5\u907f\u514dCPU\u6838\u5fc3\u95f4\u7684\u9891\u7e41\u5207\u6362\u548c\u7f13\u5b58\u5931\u6548\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684CPU\u4eb2\u548c\u6027\u8bbe\u7f6e\u793a\u4f8b\uff1a<\/li><\/ol><pre class=\"brush:c;toolbar:false;\">#include <stdio.h>\n#include <pthread.h>\n\nvoid *calculate(void *arg) {\n    \/\/ \u8bbe\u7f6eCPU\u4eb2\u548c\u6027\n    cpu_set_t cpuset;\n    CPU_ZERO(&amp;cpuset);\n    CPU_SET(2, &amp;cpuset); \/\/ \u5c06\u7ebf\u7a0b\u7ed1\u5b9a\u5230CPU\u6838\u5fc32\n    pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &amp;cpuset);\n\n    \/\/ \u8ba1\u7b97\u903b\u8f91\n\n    return NULL;\n}\n\nint main() {\n    pthread_t thread;\n    pthread_create(&amp;thread, NULL, calculate, NULL);\n    pthread_join(thread, NULL);\n\n    return 0;\n}<\/pthread.h><\/stdio.h><\/pre>\n
      \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
    \u4e8c\u3001\u5185\u5b58\u6027\u80fd\u4f18\u5316<\/p>\n
      \n
    1. \u5408\u7406\u5229\u7528\u5185\u5b58\u7ba1\u7406
      Linux\u670d\u52a1\u5668\u4e2d\u7684\u5185\u5b58\u7ba1\u7406\u5bf9\u4e8e\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5185\u5b58\u7ba1\u7406\u7684\u4f18\u5316\u65b9\u6cd5\uff1a<\/li>\n<\/ol>\n
        \n
      • \u907f\u514d\u5185\u5b58\u6cc4\u6f0f\u548c\u65e0\u6548\u7684\u5185\u5b58\u5206\u914d\uff0c\u5b9a\u671f\u91ca\u653e\u4e0d\u518d\u4f7f\u7528\u7684\u5185\u5b58\u3002<\/li>\n
      • \u4f7f\u7528\u5185\u5b58\u6c60\u548c\u7f13\u5b58\u6280\u672f\u6765\u63d0\u9ad8\u5185\u5b58\u5206\u914d\u548c\u91ca\u653e\u7684\u6548\u7387\u3002<\/li>\n
      • \u6ce8\u610f\u5185\u5b58\u5bf9\u9f50\uff0c\u4ee5\u63d0\u9ad8\u5185\u5b58\u8bbf\u95ee\u6548\u7387\u3002<\/li>\n<\/ul>\n
          \n
        1. \u4f7f\u7528\u5185\u5b58\u6620\u5c04\u6587\u4ef6
          \u5185\u5b58\u6620\u5c04\u6587\u4ef6\u662f\u4e00\u79cd\u5c06\u6587\u4ef6\u6620\u5c04\u5230\u5185\u5b58\u4e2d\u7684\u6280\u672f\uff0c\u53ef\u4ee5\u51cf\u5c11\u78c1\u76d8I\/O\u64cd\u4f5c\uff0c\u63d0\u9ad8\u8bfb\u5199\u6548\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528\u5185\u5b58\u6620\u5c04\u6587\u4ef6\u7684\u4ee3\u7801\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n
          #include <stdio.h>\n#include <fcntl.h>\n#include <sys>\n#include <sys>\n\nint main() {\n    int fd = open(\"data.txt\", O_RDWR);\n    struct stat sb;\n    fstat(fd, &amp;sb);\n    char *data = mmap(NULL, sb.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);\n\n    \/\/ \u8bfb\u5199\u6570\u636e\n\n    munmap(data, sb.st_size);\n    close(fd);\n\n    return 0;\n}<\/sys><\/sys><\/fcntl.h><\/stdio.h><\/pre>\n
            \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
          \u4e09\u3001\u78c1\u76d8\u6027\u80fd\u4f18\u5316<\/p>\n
            \n
          1. \u4f7f\u7528\u78c1\u76d8\u9635\u5217(RAID)
            RAID\u6280\u672f\u53ef\u4ee5\u5c06\u591a\u4e2a\u78c1\u76d8\u7ec4\u5408\u6210\u4e00\u4e2a\u903b\u8f91\u5377\uff0c\u63d0\u9ad8\u78c1\u76d8I\/O\u7684\u6548\u7387\u548c\u5bb9\u9519\u6027\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684RAID\u914d\u7f6e\uff1a<\/li>\n<\/ol>\n
            # \u521b\u5efaRAID\u8bbe\u5907\nmdadm --create \/dev\/md0 --level=5 --raid-devices=4 \/dev\/sda1 \/dev\/sdb1 \/dev\/sdc1 \/dev\/sdd1\n\n# \u683c\u5f0f\u5316RAID\u8bbe\u5907\nmkfs.ext4 \/dev\/md0\n\n# \u6302\u8f7dRAID\u8bbe\u5907\nmount \/dev\/md0 \/mnt<\/pre>\n
              \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
              \n
            1. \u4f7f\u7528\u6587\u4ef6\u7cfb\u7edf\u7684\u4f18\u5316\u9009\u9879
              \u6587\u4ef6\u7cfb\u7edf\u7684\u4f18\u5316\u9009\u9879\u53ef\u4ee5\u63d0\u9ad8\u78c1\u76d8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u6587\u4ef6\u7cfb\u7edf\u4f18\u5316\u9009\u9879\uff1a<\/li>\n<\/ol>\n
                \n
              • \u5173\u95ed\u4e0d\u5fc5\u8981\u7684\u65e5\u5fd7\u529f\u80fd\u3002<\/li>\n
              • \u542f\u7528\u5199\u7f13\u5b58\u548c\u8bfb\u7f13\u5b58\u3002<\/li>\n
              • \u8c03\u6574\u6587\u4ef6\u7cfb\u7edf\u7684\u5757\u5927\u5c0f\u3002<\/li>\n<\/ul>\n
                \u7ed3\u8bba\uff1a
                \u901a\u8fc7\u4f18\u5316Linux\u670d\u52a1\u5668\u7684CPU\u6027\u80fd\u3001\u5185\u5b58\u6027\u80fd\u548c\u78c1\u76d8\u6027\u80fd\uff0c\u53ef\u4ee5\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002\u672c\u6587\u63d0\u4f9b\u4e86\u4e00\u4e9b\u4f18\u5316\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u4e86\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u5e0c\u671b\u8bfb\u8005\u80fd\u591f\u501f\u9274\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u6839\u636e\u5b9e\u9645\u60c5\u51b5\u8fdb\u884c\u4f18\u5316\u3002<\/p>\n
                \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8FDCServers\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u5982\u4f55\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u4e0e\u8d44\u6e90\u5229\u7528\uff0c\u9700\u8981\u5177\u4f53\u4ee3\u7801\u793a\u4f8b \u6458\u8981\uff1aLinux\u670d\u52a1\u5668\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7684\u4f18\u5316\u662f\u4fdd\u8bc1\u670d\u52a1\u5668\u8fd0\u884c\u7a33\u5b9a\u548c\u9ad8\u6548\u7684\u5173\u952e\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u4f18\u5316Linux\u670d\u52a1\u5668\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u5f15\u8a00\uff1a\u968f\u7740\u4e92\u8054\u7f51\u7684\u5feb\u901f\u53d1\u5c55\uff0c\u5927\u91cf\u7684\u5e94\u7528\u548c\u670d\u52a1\u90fd\u90e8\u7f72\u5728Linux\u670d\u52a1\u5668\u4e0a\u3002\u4e3a\u4e86\u4fdd\u8bc1\u670d\u52a1\u5668\u8fd0\u884c\u7684\u9ad8\u6548\u7a33\u5b9a\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u4f18\u5316\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u6548\u7387\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u901a\u8fc7\u4f18\u5316Linux\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u8d44\u6e90\u5229\u7528\u6765\u63d0\u9ad8\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u6548\u7387\u3002 \u4e00\u3001CPU\u6027\u80fd\u4f18\u5316 \u591a\u7ebf\u7a0b\u7f16\u7a0b\u7684\u4f18\u5316\u5728\u670d\u52a1\u5668\u5e94\u7528\u5f00\u53d1\u4e2d\uff0c\u591a\u7ebf\u7a0b\u7f16\u7a0b\u662f\u5f88\u5e38\u89c1\u7684\u3002\u5408\u7406\u4f18\u5316\u591a\u7ebf\u7a0b\u7f16\u7a0b\u53ef\u4ee5\u6700\u5927\u9650\u5ea6\u5730\u5229\u7528\u670d\u52a1\u5668\u7684\u591a\u6838CPU\u8d44\u6e90\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u591a\u7ebf\u7a0b\u7f16\u7a0b\u793a\u4f8b\uff1a #include <stdio.h> #include <pthread.h> #define NUM_THREADS 4 void *calculate(void *arg) { \/\/ \u8ba1\u7b97\u903b\u8f91 return NULL; } int main() { pthread_t threads[NUM_THREADS]; for (int i = 0; i <ol start=”2″><li>CPU\u4eb2\u548c\u6027\u7684\u8bbe\u7f6e<br>CPU\u4eb2\u548c\u6027\u53ef\u4ee5\u5c06\u7279\u5b9a\u7ebf\u7a0b\u7ed1\u5b9a\u5230\u6307\u5b9a\u7684CPU\u6838\u5fc3\u4e0a\uff0c\u4ee5\u907f\u514dCPU\u6838\u5fc3\u95f4\u7684\u9891\u7e41\u5207\u6362\u548c\u7f13\u5b58\u5931\u6548\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684CPU\u4eb2\u548c\u6027\u8bbe\u7f6e\u793a\u4f8b\uff1a<\/li><\/ol><pre class=”brush:c;toolbar:false;”>#include <stdio.h> #include <pthread.h> void *calculate(void *arg) { \/\/ \u8bbe\u7f6eCPU\u4eb2\u548c\u6027 cpu_set_t cpuset; CPU_ZERO(&amp;cpuset); CPU_SET(2, &amp;cpuset); \/\/ \u5c06\u7ebf\u7a0b\u7ed1\u5b9a\u5230CPU\u6838\u5fc32 pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &amp;cpuset); \/\/ […]<\/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-62789","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62789","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=62789"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/62789\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=62789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=62789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=62789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}