{"id":63248,"date":"2025-04-29T14:05:37","date_gmt":"2025-04-29T06:05:37","guid":{"rendered":"https:\/\/fwq.ai\/blog\/63248\/"},"modified":"2025-04-29T14:05:37","modified_gmt":"2025-04-29T06:05:37","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%ae%a1%e7%90%86%e8%bf%9b%e7%a8%8b%e4%bc%98%e5%85%88%e7%ba%a7-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/63248\/","title":{"rendered":"\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/000\/887\/227\/171046981098922.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7\u63d2\u56fe\" alt=\"\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7\u63d2\u56fe\" \/><\/p>\n<p>\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u8fd0\u884c\u6548\u7387\u548c\u6027\u80fd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u662f\u901a\u8fc7nice\u503c\u6765\u8868\u793a\u7684\uff0cnice\u503c\u7684\u8303\u56f4\u662f-20\u523019\uff0c\u6570\u503c\u8d8a\u5c0f\u8868\u793a\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff0c\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n<p>\u4e00\u3001\u67e5\u770b\u548c\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4ps\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\uff1a<\/p>\n<pre>ps -eo pid,cmd,nice<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\uff0c\u53ef\u4ee5\u67e5\u770b\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\uff08PID\uff09\u3001\u547d\u4ee4\u3001\u4ee5\u53canice\u503c\u3002<\/p>\n<p>\u8981\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff0c\u53ef\u4ee5\u4f7f\u7528renice\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u8fdb\u7a0bID\u4e3a1234\u7684\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8bbe\u7f6e\u4e3a10\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<pre>renice 10 -p 1234<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4e8c\u3001\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7<\/p>\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Python\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u8c03\u7528\u7cfb\u7edf\u547d\u4ee4\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff1a<\/p>\n<pre>import subprocess\n\n# \u83b7\u53d6\u8fdb\u7a0b\u7684PID\ndef get_pid(process_name):\n    pid = subprocess.check_output(['pgrep', process_name]).decode().strip()\n    return pid\n\n# \u83b7\u53d6\u8fdb\u7a0b\u7684nice\u503c\ndef get_nice(pid):\n    nice = subprocess.check_output(['ps', '-o', 'nice', '-p', pid]).decode().split('\n')[1].strip()\n    return nice\n\n# \u8bbe\u7f6e\u8fdb\u7a0b\u7684nice\u503c\ndef set_nice(pid, nice_value):\n    subprocess.call(['renice', str(nice_value), '-p', pid])\n\n# \u4e3b\u51fd\u6570\nif __name__ == \"__main__\":\n    process_name = 'python'\n    pid = get_pid(process_name)\n    if pid:\n        print(f\"\u8fdb\u7a0b{process_name}\u7684PID\u4e3a{pid}\")\n        nice = get_nice(pid)\n        print(f\"\u8fdb\u7a0b{process_name}\u7684nice\u503c\u4e3a{nice}\")\n        new_nice = 10\n        set_nice(pid, new_nice)\n        print(f\"\u5c06\u8fdb\u7a0b{process_name}\u7684nice\u503c\u8bbe\u7f6e\u4e3a{new_nice}\")\n    else:\n        print(f\"\u672a\u627e\u5230\u8fdb\u7a0b{process_name}\")<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u9996\u5148\u901a\u8fc7\u4f20\u5165\u8fdb\u7a0b\u540d\u79f0\u6765\u83b7\u53d6\u8fdb\u7a0b\u7684PID\uff0c\u7136\u540e\u83b7\u53d6\u8fdb\u7a0b\u7684nice\u503c\uff0c\u5e76\u4e14\u8bbe\u7f6e\u65b0\u7684nice\u503c\u3002\u53ef\u4ee5\u6839\u636e\u5b9e\u9645\u9700\u6c42\u4fee\u6539\u4ee3\u7801\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u60c5\u51b5\u4e0b\u7684\u8fdb\u7a0b\u7ba1\u7406\u3002<\/p>\n<p>\u603b\u7ed3\uff1a\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7ba1\u7406\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u548c\u4ee3\u7801\u793a\u4f8b\u6765\u5b9e\u73b0\u8fdb\u7a0b\u4f18\u5148\u7ea7\u7684\u67e5\u770b\u548c\u8bbe\u7f6e\uff0c\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5e0c\u671b\u672c\u6587\u63d0\u4f9b\u7684\u4fe1\u606f\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7ba1\u7406Linux\u7cfb\u7edf\u4e2d\u7684\u8fdb\u7a0b\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7\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>\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7\u662f\u4e00\u9879\u91cd\u8981\u7684\u4efb\u52a1\uff0c\u53ef\u4ee5\u901a\u8fc7\u8c03\u6574\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u6765\u63d0\u9ad8\u7cfb\u7edf\u7684\u8fd0\u884c\u6548\u7387\u548c\u6027\u80fd\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u662f\u901a\u8fc7nice\u503c\u6765\u8868\u793a\u7684\uff0cnice\u503c\u7684\u8303\u56f4\u662f-20\u523019\uff0c\u6570\u503c\u8d8a\u5c0f\u8868\u793a\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u7ba1\u7406\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff0c\u4ee5\u53ca\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002 \u4e00\u3001\u67e5\u770b\u548c\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u547d\u4ee4ps\u6765\u67e5\u770b\u5f53\u524d\u7cfb\u7edf\u4e2d\u8fd0\u884c\u7684\u8fdb\u7a0b\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u8fdb\u7a0b\u7684\u8be6\u7ec6\u4fe1\u606f\uff1a ps -eo pid,cmd,nice \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u8fd9\u4e2a\u547d\u4ee4\uff0c\u53ef\u4ee5\u67e5\u770b\u6bcf\u4e2a\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\uff08PID\uff09\u3001\u547d\u4ee4\u3001\u4ee5\u53canice\u503c\u3002 \u8981\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff0c\u53ef\u4ee5\u4f7f\u7528renice\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u8981\u5c06\u8fdb\u7a0bID\u4e3a1234\u7684\u8fdb\u7a0b\u4f18\u5148\u7ea7\u8bbe\u7f6e\u4e3a10\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a renice 10 -p 1234 \u767b\u5f55\u540e\u590d\u5236 \u4e8c\u3001\u901a\u8fc7\u4ee3\u7801\u793a\u4f8b\u7ba1\u7406\u8fdb\u7a0b\u4f18\u5148\u7ea7 \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Python\u4ee3\u7801\u793a\u4f8b\uff0c\u6f14\u793a\u4e86\u5982\u4f55\u901a\u8fc7\u8c03\u7528\u7cfb\u7edf\u547d\u4ee4\u6765\u83b7\u53d6\u548c\u8bbe\u7f6e\u8fdb\u7a0b\u7684\u4f18\u5148\u7ea7\uff1a import subprocess # \u83b7\u53d6\u8fdb\u7a0b\u7684PID def get_pid(process_name): pid = subprocess.check_output([&#8216;pgrep&#8217;, process_name]).decode().strip() return pid # \u83b7\u53d6\u8fdb\u7a0b\u7684nice\u503c def get_nice(pid): nice = subprocess.check_output([&#8216;ps&#8217;, &#8216;-o&#8217;, &#8216;nice&#8217;, &#8216;-p&#8217;, pid]).decode().split(&#8216; &#8216;)[1].strip() return nice # \u8bbe\u7f6e\u8fdb\u7a0b\u7684nice\u503c def set_nice(pid, nice_value): subprocess.call([&#8216;renice&#8217;, str(nice_value), &#8216;-p&#8217;, pid]) # \u4e3b\u51fd\u6570 if [&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-63248","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63248","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=63248"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/63248\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=63248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=63248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=63248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}