{"id":3248,"date":"2025-02-14T14:41:50","date_gmt":"2025-02-14T06:41:50","guid":{"rendered":"https:\/\/199604.com\/?p=3248"},"modified":"2025-03-19T13:55:26","modified_gmt":"2025-03-19T05:55:26","slug":"lookbusy-%e7%94%a8%e4%ba%8e-linux-%e7%b3%bb%e7%bb%9f%e7%9a%84%e8%b4%9f%e8%bd%bd%e8%be%be%e6%a0%87%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/199604.com\/3248","title":{"rendered":"lookbusy – \u7528\u4e8e Linux \u7cfb\u7edf\u7684\u8d1f\u8f7d\u8fbe\u6807\u5de5\u5177"},"content":{"rendered":"

lookbusy – \u7528\u4e8e Linux \u7cfb\u7edf\u7684\u8d1f\u8f7d\u8fbe\u6807\u5de5\u5177<\/h2>\n

\u7b80\u4ecb<\/h3>\n

\u5728 Linux \u7cfb\u7edf\u7684\u4f7f\u7528\u573a\u666f\u4e2d\uff0c\u6709\u65f6\u6211\u4eec\u9700\u8981\u8ba9\u7cfb\u7edf\u770b\u8d77\u6765\u5904\u4e8e\u9ad8\u8d1f\u8f7d\u72b6\u6001\uff0c\u6216\u8005\u6a21\u62df\u4e00\u5b9a\u7684\u8d1f\u8f7d\u73af\u5883\u8fdb\u884c\u6d4b\u8bd5\u7b49\u5de5\u4f5c\u3002\u56e0\u6b64 lookbusy \u7684\u5de5\u5177\u5c31\u80fd\u6d3e\u4e0a\u5927\u7528\u573a\u3002\u5b83\u53ef\u4ee5\u865a\u62df\u4ea7\u751f\u7cfb\u7edf CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u7b49\u8d1f\u8f7d\uff0c\u8425\u9020\u51fa\u7cfb\u7edf\u7e41\u5fd9\u7684\u5047\u8c61\uff0c\u6bd4\u5982\u4e00\u4e9b\u6027\u80fd\u6307\u6807\u8003\u6838,dddd\u3002<\/p>\n

\u5b89\u88c5\u65b9\u6cd5<\/h3>\n

\u5b98\u65b9\u5730\u5740\uff1alookbusy — a synthetic load generator<\/a><\/p>\n

lookbusy<\/code> \u7684\u4ee3\u7801\u4ed3\u5e93\u4f4d\u4e8ehttps:\/\/github.com\/flow2000\/lookbusy<\/code> \uff0c\u83b7\u53d6\u5e76\u5b89\u88c5\u5b83\u6709\u591a\u79cd\u65b9\u5f0f\uff1a<\/p>\n

    \n
  1. \u901a\u8fc7Git\u514b\u9686\u5b89\u88c5<\/li>\n<\/ol>\n
      \n
    • \u547d\u4ee4\uff1agit clone https:\/\/github.com\/flow2000\/lookbusy<\/code><\/li>\n<\/ul>\n
        \n
      1. \u4e0b\u8f7d\u538b\u7f29\u5305\u5b89\u88c5<\/li>\n<\/ol>\n
          \n
        • \u76f4\u63a5\u4e0b\u8f7d\uff1awget https:\/\/github.com\/flow2000\/lookbusy\/archive\/refs\/heads\/master.zip<\/code><\/p>\n<\/li>\n
        • \n

          \u901a\u8fc7\u4ee3\u7406\u4e0b\u8f7d\uff08\u5982\u679c\u9700\u8981\uff09\uff1awget https:\/\/ghproxy.com\/https:\/\/github.com\/flow2000\/lookbusy\/archive\/refs\/heads\/master.zip<\/code><\/p>\n<\/li>\n

        • \n

          \u89e3\u538b\uff1aunzip master.zip<\/code><\/p>\n<\/li>\n<\/ul>\n

          \u7f16\u8bd1\u5b89\u88c5<\/h3>\n
          cd lookbusy\nchmod a+x configure\n.\/configure\nmake && make install\n<\/code><\/pre>\n
          CPU\u4f7f\u7528<\/h3>\n
            \n
          1. \n
            -c<\/code>\uff1a\u6307\u5b9a\u6bcf\u4e2aCPU\u7684\u671f\u671b\u5229\u7528\u7387\uff0c\u4ee5\u767e\u5206\u6bd4\u4e3a\u5355\u4f4d\uff0c\u9ed8\u8ba4\u503c\u4e3a50%\u3002\u5982\u679c\u9009\u62e9curve<\/code>\uff08\u66f2\u7ebf\uff09CPU\u4f7f\u7528\u6a21\u5f0f\uff0c\u5219\u9700\u8981\u7ed9\u51faMIN - MAX<\/code>\u5f62\u5f0f\u7684\u8303\u56f4\u3002<\/p>\n<\/li>\n
          2. \n
            -n<\/code>\uff1a\u786e\u5b9a\u4fdd\u6301\u5fd9\u788c\u7684CPU\u6570\u91cf\uff0c\u9ed8\u8ba4\u503c\u662f\u81ea\u52a8\u68c0\u6d4b\u51fa\u7684\u5168\u90e8\u6838\u5fc3\u6570\u3002<\/p>\n<\/li>\n
          3. \n
            -r<\/code><\/p>\n
            \uff1a\u6709\u4e24\u79cd\u6a21\u5f0f\u53ef\u4f9b\u9009\u62e9\u3002<\/p>\n<\/li>\n<\/ol>\n
              \n
            • fixed<\/code>\u6a21\u5f0f\uff1a\u8bd5\u56fe\u4fdd\u6301\u6307\u5b9a\u767e\u5206\u6bd4\u7684CPU\u5229\u7528\u7387\u3002<\/li>\n
            • curve<\/code>\u6a21\u5f0f\uff1a\u4ea7\u751f\u7684\u5229\u7528\u7387\u6c34\u5e73\u4f1a\u5728\u7ed9\u5b9a\u95f4\u9694\u5185\u4e0a\u4e0b\u6d6e\u52a8\u3002<\/li>\n<\/ul>\n
                \n
              1. \n
                -p<\/code>\uff1a\u5728\u66f2\u7ebf\u6a21\u5f0f\u4e0b\uff0c\u6b64\u9009\u9879\u7528\u4e8e\u8bbe\u7f6e\u5cf0\u503c\u5229\u7528\u7387\u7684\u504f\u79fb\u91cf\uff0c\u9ed8\u8ba4\u5355\u4f4d\u662f\u79d2\uff0c\u4e5f\u53ef\u4ee5\u6dfb\u52a0m<\/code>\uff08\u5206\u949f\uff09\u3001h<\/code>\uff08\u5c0f\u65f6\uff09\u3001d<\/code>\uff08\u5929\uff09\u4f5c\u4e3a\u5176\u4ed6\u5355\u4f4d\u3002<\/p>\n<\/li>\n
              2. \n
                -P<\/code>\uff1a\u4e0e-p<\/code>\u7c7b\u4f3c\uff0c\u4e5f\u662f\u7528\u4e8e\u8bbe\u7f6e\u66f2\u7ebf\u5185\u5cf0\u503c\u5229\u7528\u7387\u7684\u504f\u79fb\u91cf\uff0c\u53ef\u6dfb\u52a0m<\/code>\u3001h<\/code>\u3001d<\/code>\u4f5c\u4e3a\u5176\u4ed6\u5355\u4f4d\u3002<\/p>\n<\/li>\n<\/ol>\n
                \u793a\u4f8b<\/strong><\/p>\n
                  \n
                • lookbusy -c 50<\/code>\uff1a\u5360\u7528\u6240\u6709CPU\u6838\u5fc3\u540450%\u3002<\/li>\n
                • lookbusy -c 50 -n 2<\/code>\uff1a\u5360\u7528\u4e24\u4e2aCPU\u6838\u5fc3\u540450%\u3002<\/li>\n
                • lookbusy -c 50 - 80 -r curve<\/code>\uff1a\u5360\u7528\u6240\u6709CPU\u6838\u5fc3\u572850% – 80%\u5de6\u53f3\u6d6e\u52a8\u3002<\/li>\n<\/ul>\n
                  \u5185\u5b58\u4f7f\u7528<\/h3>\n
                    \n
                  1. -m<\/code>\uff1a\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\u6307\u5b9a\u5185\u5b58\u91cf\uff0c\u540e\u9762\u53ef\u8ddfKB<\/code>\u3001MB<\/code>\u6216GB<\/code>\uff08\u7b49\u5176\u4ed6\u5355\u4f4d\uff09\u3002<\/li>\n
                  2. -M<\/code>\uff1a\u8bbe\u7f6e\u5355\u4f4d\u4e3a\u6beb\u79d2\uff0c\u9ed8\u8ba4\u503c\u4e3a1000\u3002<\/li>\n<\/ol>\n
                    \u793a\u4f8b<\/strong><\/p>\n
                      \n
                    • lookbusy -m 128MB -M 1000<\/code>\uff1a\u6bcf1000\u6beb\u79d2\u5faa\u73af\u91ca\u653e\u5e76\u5206\u914d128MB\u5185\u5b58\u3002<\/li>\n<\/ul>\n
                      \u78c1\u76d8\u4f7f\u7528<\/h3>\n
                        \n
                      1. -d<\/code>\uff1a\u7528\u4e8e\u6307\u5b9a\u78c1\u76d8\u6d41\u5931\u7684\u6587\u4ef6\u5927\u5c0f\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff0c\u540e\u9762\u53ef\u8ddfKB<\/code>\u3001MB<\/code>\u3001GB<\/code>\u6216TB<\/code>\uff08\u7b49\u5176\u4ed6\u5355\u4f4d\uff09\u3002<\/li>\n
                      2. -b<\/code>\uff1a\u7528\u4e8eI\/O\u7684\u5757\u5927\u5c0f\uff0c\u4ee5\u5b57\u8282\u4e3a\u5355\u4f4d\uff0c\u540e\u9762\u53ef\u8ddfKB<\/code>\u3001MB<\/code>\u6216GB<\/code>\u3002<\/li>\n
                      3. -D<\/code>\uff1a\u8bbe\u7f6e\u8fed\u4ee3\u4e4b\u95f4\u7684\u4f11\u7720\u65f6\u95f4\uff0c\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\uff0c\u9ed8\u8ba4\u503c\u4e3a100\u3002<\/li>\n
                      4. -f<\/code>\uff1a\u6307\u5b9a\u8981\u7528\u4f5c\u7f13\u51b2\u533a\u7684\u6587\u4ef6\/\u76ee\u5f55\u7684\u8def\u5f84\uff0c\u9ed8\u8ba4\u4e3a\/tmp<\/code>\u3002<\/li>\n<\/ol>\n
                        \u793a\u4f8b<\/strong><\/p>\n
                          \n
                        • lookbusy -d 1GB -b 1MB -D 10<\/code>\uff1a\u6bcf10\u6beb\u79d2\u5faa\u73af\u8fdb\u884c1MB\u78c1\u76d8\u5199\u5165\uff0c\u4e34\u65f6\u6587\u4ef6\u4e0d\u8d85\u8fc71GB\u3002<\/li>\n<\/ul>\n
                          \u6240\u6709\u53c2\u6570<\/h3>\n
                          -h  \u2013help  \u5e2e\u52a9\n-v  \u2013verbose  \u8f93\u51fa\u8be6\u7ec6\u4fe1\u606f\n-q  \u2013quiet  \u5b89\u9759\u8fd0\u884c\uff0c\u53ea\u6709\u5728\u9519\u8bef\u65f6\u8f93\u51fa\u4fe1\u606f\n-c  \u2013cpu-utuil=PCT, \u2013cpu-util=RANGE  \u9700\u8981\u7684 CPU \u5229\u7528\u7387\uff0c\u9ed8\u8ba4\u7528\u767e\u5206\u6bd4\u63cf\u8ff0\uff0c\u6bd4\u5982 50%\uff0c\u8303\u56f4\u63cf\u8ff0\u9700\u8981\u6309 \u6700\u5c0f\u503c - \u6700\u5927\u503c \u7684\u683c\u5f0f\u7ed9\u5b9a\u8303\u56f4\n-n  \u2013ncpus=NUM  \u4fdd\u6301\u5fd9\u7684 CPU \u6570\u91cf\uff0c\u9ed8\u8ba4\u81ea\u52a8\u68c0\u6d4b\n-r  \u2013cpu-mode=MODE  \u5229\u7528\u6a21\u5f0f\uff1afixed \u6216 curve\uff0c\u5177\u4f53\u89c1 lookbusy(1)\n-p  \u2013cpu-curve-peak=TIME  \u66f2\u7ebf\u5185\u5cf0\u503c\u5229\u7528\u7387\u7684\u504f\u79fb\u91cf\uff0c\u9ed8\u8ba4\u5355\u4f4d\u662f\u79d2\uff0c\u53ef\u4ee5\u6dfb\u52a0 m\u3001h\u3001d \u4f5c\u4e3a\u5176\u4ed6\u5355\u4f4d\n-P  \u2013cpu-curve-period=TIME  \u5229\u7528\u7387\u66f2\u7ebf\u671f\u6301\u7eed\u65f6\u95f4\uff0c\u9ed8\u8ba4\u5355\u4f4d\u662f\u79d2\uff0c\u53ef\u4ee5\u6dfb\u52a0 m\u3001h\u3001d \u4f5c\u4e3a\u5176\u4ed6\u5355\u4f4d\n-m  \u2013mem-util=SIZE  \u4f7f\u7528\u5185\u5b58\u7684\u6570\u91cf\uff0c\u9ed8\u8ba4\u5355\u4f4d\u5b57\u8282\uff0c\u53ef\u4ee5\u7528 KB\u3001MB\u3001GB \u8868\u793a\u5176\u4ed6\u5355\u4f4d\uff0c\u5177\u4f53\u89c1 lookbusy(1)\n-M  \u2013mem-sleep=TIME  \u6bcf\u6b21\u8fed\u4ee3\u4e4b\u95f4\u7684 sleep \u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\uff0c\u9ed8\u8ba4\u503c\u4e3a 1000\n-d  \u2013disk-util=SIZE  \u4f7f\u7528\u78c1\u76d8\u7684\u6587\u4ef6\u5c3a\u5bf8\u5927\u5c0f\uff0c\u9ed8\u8ba4\u662f\u5b57\u8282\uff0c\u53ef\u4ee5\u8ddf KB\u3001MB\u3001GB\u3001TB \u6765\u8868\u793a\u5176\u4ed6\u5355\u4f4d\n-D  \u2013disk-sleep=TIME  \u4e24\u6b21\u8fed\u4ee3\u4e4b\u95f4\u7684 sleep \u65f6\u95f4\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\uff0c\u9ed8\u8ba4\u503c\u4e3a 1000\n-f  \u2013disk-path=PATH  \u4f7f\u7528\u7684\u7f13\u5b58\u6587\u4ef6\/\u76ee\u5f55\u7684\u8def\u5f84\uff0c\u9ed8\u8ba4\u4e3a\/tmp\uff1b\u53ef\u4ee5\u591a\u6b21\u6307\u5b9a\uff08specify multiple times for additional paths\uff09\n<\/code><\/pre>\n
                          \u5b8c\u6574\u811a\u672c\u4f8b\u5b50<\/h3>\n
                          #!\/bin\/bash\n# chmod +x \/usr\/local\/bin\/lookbusy_start.sh && echo \"bash \/usr\/local\/bin\/lookbusy_start.sh\" >> \/etc\/rc.d\/rc.local && cat \/etc\/rc.d\/rc.local && cat \/etc\/rc.local\n# \u8bbe\u7f6e VCPU \u5e73\u5747\u5229\u7528\u7387 \u2265 8%\uff0c\u5185\u5b58\u5e73\u5747\u5229\u7528\u7387 \u2265 10%\n# nohup \/usr\/local\/bin\/lookbusy -c 8-15 -r curve -m $(($(free -m | awk '\/Mem:\/ {print $2}') * 10 \/ 100))MB > \/dev\/null 2>&1 &\n\n# \u6e05\u7406\u65e7\u8fdb\u7a0b\uff08\u6839\u636e\u8fdb\u7a0b\u540d\u7ec8\u6b62\uff09\n#ps -ef|grep \"\/usr\/local\/bin\/lookbusy\" | grep -v \"lookbusy_start.sh\" |grep -v grep | awk '{print $2}' | xargs kill -9\nif pgrep -f \"\/usr\/local\/bin\/lookbusy\" | grep -v \"lookbusy_start.sh\"> \/dev\/null 2>&1; then\n    ps -ef|grep \"\/usr\/local\/bin\/lookbusy\" | grep -v \"lookbusy_start.sh\" |grep -v grep | awk '{print $2}' | xargs kill -9\nfi\n\n# \u83b7\u53d6\u5f53\u524d\u5185\u5b58\u5229\u7528\u7387\nmem_usage=$(free | awk '\/Mem:\/ {printf \"%.0f\", $3*100\/$2 }')\n# \u83b7\u53d6\u7cfb\u7edf\u603b\u5185\u5b58\uff08\u5355\u4f4d\uff1aMB\uff09\ntotal_memory=$(free -m | awk '\/Mem:\/ {print $2}')\n# \u8ba1\u7b97 10% \u7684\u603b\u5185\u5b58\uff08\u5355\u4f4d\uff1aMB\uff09-->\u6682\u65f6\u4e0d\u80fd\u4e34\u754c\uff0c\u56e0\u6b64\u8bbe\u7f6e\u5927\u4e8e12%\ntarget_mem=$((total_memory * 12 \/ 100))\n# \u83b7\u53d6\u5f53\u524d\u5df2\u4f7f\u7528\u5185\u5b58\uff08\u5355\u4f4d\uff1aMB\uff09\nused_mem=$(free -m | awk '\/Mem:\/ {print $3}')\n\n# \u6682\u65f6\u4e0d\u80fd\u4e34\u754c\uff0c\u56e0\u6b64\u8bbe\u7f6e\u5927\u4e8e12%\nif [ $mem_usage -lt 12 ]; then\n    if [ $used_mem -lt $target_mem ]; then\n        # \u5df2\u4f7f\u7528\u5185\u5b58\u5c0f\u4e8e\u76ee\u6807\u5185\u5b58\uff0c\u8ba1\u7b97\u5dee\u503c\n        mem_to_use=$((target_mem - used_mem))\n        nohup \/usr\/local\/bin\/lookbusy -c 8-15 -r curve -m ${mem_to_use}MB > \/dev\/null 2>&1 &\n    else\n        # \u5df2\u4f7f\u7528\u5185\u5b58\u5df2\u7ecf\u8fbe\u5230\u6216\u8d85\u8fc7\u76ee\u6807\u5185\u5b58\uff0c\u4e0d\u989d\u5916\u4f7f\u7528\u5185\u5b58\n        nohup \/usr\/local\/bin\/lookbusy -c 8-15 -r curve > \/dev\/null 2>&1 &\n    fi\nelse\n    # \u5185\u5b58\u5229\u7528\u7387\u5927\u4e8e\u7b49\u4e8e 10% \u65f6\u7684\u64cd\u4f5c\n    nohup \/usr\/local\/bin\/lookbusy -c 8-15 -r curve > \/dev\/null 2>&1 &\nfi\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
                          lookbusy – \u7528\u4e8e Linux \u7cfb\u7edf\u7684\u8d1f\u8f7d\u8fbe\u6807\u5de5\u5177 \u7b80\u4ecb \u5728 Linux \u7cfb\u7edf\u7684\u4f7f\u7528\u573a\u666f\u4e2d […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[260],"tags":[70],"class_list":["post-3248","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/3248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/comments?post=3248"}],"version-history":[{"count":3,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/3248\/revisions"}],"predecessor-version":[{"id":3301,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/posts\/3248\/revisions\/3301"}],"wp:attachment":[{"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/media?parent=3248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/categories?post=3248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/199604.com\/wp-json\/wp\/v2\/tags?post=3248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}