{"id":214,"date":"2025-07-27T20:29:34","date_gmt":"2025-07-27T12:29:34","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=214"},"modified":"2025-11-24T16:40:16","modified_gmt":"2025-11-24T08:40:16","slug":"%e8%bf%9b%e7%a8%8b%e4%bc%98%e5%85%88%e7%ba%a7%e3%80%81%e8%b0%83%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=214","title":{"rendered":"\u8fdb\u7a0b\u4f18\u5148\u7ea7\u3001\u8c03\u5ea6"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

UID:\u7528\u6237\u552f\u4e00\u6807\u8bc6<\/p>\n\n\n\n

PID:\u8fdb\u7a0bid<\/p>\n\n\n\n

PPID:\u7236\u8fdb\u7a0bid<\/p>\n\n\n\n

PRI:\u8fdb\u7a0b\u4f18\u5148\u7ea7\uff08\u9ed8\u8ba480\uff09<\/p>\n\n\n\n

NI:\u4f18\u5148\u7ea7\u4fee\u6b63\u6570\u636e\uff08nice\uff09<\/p>\n\n\n\n

\u771f\u5b9e\u4f18\u5148\u7ea7\uff1aPRI\uff08\u9ed8\u8ba4\uff09+NI<\/p>\n\n\n\n

nice\u8303\u56f4[-20,19]<\/p>\n\n\n\n

linux\u4f18\u5148\u7ea7\u8303\u56f4[60,99]<\/p>\n\n\n\n

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\u542f\u52a8\u8fdb\u7a0b\u65f6\u8bbe\u7f6e nice \u503c\uff08nice<\/code> \u547d\u4ee4\uff09<\/p>\n\n\n\n

nice -n <\u4f18\u5148\u7ea7> <\u547d\u4ee4><\/p>\n\n\n\n

\u4fee\u6539\u5df2\u8fd0\u884c\u8fdb\u7a0b\u7684 nice \u503c\uff08renice<\/code> \u547d\u4ee4\uff09<\/p>\n\n\n\n

renice <\u65b0\u4f18\u5148\u7ea7> -p <\/p>\n\n\n\n

\u67e5\u770b nice \u503c<\/p>\n\n\n\n

ps -l -p # \u67e5\u770b NI \u5217<\/p>\n\n\n\n

top # \u6309 `r` \u4ea4\u4e92\u5f0f\u8c03\u6574<\/p>\n\n\n\n

\u8865\u5145\u6982\u5ff5<\/h3>\n\n\n\n

\u5e76\u884c\uff1a\u591a\u4e2a\u8fdb\u7a0b\u5728\u591a\u4e2acpu\u5206\u522b\u540c\u65f6\u8fdb\u884c\uff0c\u79f0\u4e3a\u5e76\u884c<\/p>\n\n\n\n

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\"\"<\/figure>\n\n\n\n

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\u8fdb\u7a0b\u8c03\u5ea6\uff1a<\/h3>\n\n\n\n

Linux\u771f\u5b9e\u7684\u8c03\u5ea6\u7b97\u6cd5\uff1a<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

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\u5728\u4e00\u4e2a\u8fd0\u884c\u961f\u5217\u4e2d\uff1a
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nr_active:\u6d3b\u8dc3\u8fdb\u7a0b<\/p>\n\n\n\n

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