[{"data":1,"prerenderedAt":357},["ShallowReactive",2],{"blog-article-\u002Fzh\u002Fblog\u002Fcheck-cpu-usage-mac":3},{"id":4,"title":5,"author":6,"body":7,"category":337,"cover":338,"coverAlt":339,"description":340,"draft":341,"extension":342,"meta":343,"navigation":344,"path":345,"publishedAt":346,"seo":347,"stem":348,"tags":349,"topics":353,"translationKey":355,"updatedAt":346,"__hash__":356},"articles_zh\u002Fzh\u002Fblog\u002Fcheck-cpu-usage-mac.md","如何查看 Mac 的 CPU 占用率","Harry",{"type":8,"value":9,"toc":328},"minimark",[10,25,28,39,44,47,73,76,79,82,93,96,102,110,114,117,145,148,192,209,213,221,224,228,234,284,296,304,317],[11,12,13,14,19,20,24],"p",{},"在 ",[15,16,18],"a",{"href":17},"\u002Fzh","MangoDisk"," 的系统状态面板中打开 ",[21,22,23],"strong",{},"CPU","，就能查看 Mac 当前的 CPU 占用率、最近的变化，以及应用和进程的占用情况。菜单栏和桌面悬浮窗还能让这些状态保持可见，工作时不用反复打开监控窗口。",[11,26,27],{},"风扇突然变响、打开几个网页后电脑变卡，或者想知道视频导出时电脑有多忙，都可以先看总负载，再找持续占用 CPU 的项目。Mac 自带的“活动监视器”也能查看，具体方法在下文。",[11,29,30],{},[31,32],"img",{"alt":33,"decoding":34,"height":35,"loading":36,"src":37,"width":38},"MangoDisk 官网中文监控演示，CPU 详情显示占用趋势和进程列表，旁边为桌面悬浮窗","async",1404,"lazy","https:\u002F\u002Fassets.mangodisk.app\u002Fimages\u002Fscreenshots\u002Fzh\u002Flight-system-monitoring-cpu-v2.jpg",1339,[40,41,43],"h2",{"id":42},"用-mangodisk-查看-cpu-占用","用 MangoDisk 查看 CPU 占用",[11,45,46],{},"运行 MangoDisk 后，可以按这个顺序查看：",[48,49,50,58,64,70],"ol",{},[51,52,53,54,57],"li",{},"点击 macOS 菜单栏中的 MangoDisk 状态图标，打开",[21,55,56],{},"系统状态","面板。如果没有看到入口，先在 MangoDisk 的系统状态设置中启用菜单栏显示。",[51,59,60,61,63],{},"切换到 ",[21,62,23],{},"，查看当前占用率和近期曲线。",[51,65,66,67,69],{},"查看下方的应用与进程列表。需要比较时，点击 ",[21,68,23],{}," 列，把占用较高的项目排在前面。",[51,71,72],{},"继续观察一会儿，看看是打开软件时短暂升高，还是同一个项目持续占用。",[11,74,75],{},"例如，正在导出视频时，剪辑软件的占用升高很常见。更有用的观察是：任务结束后有没有回落，以及电脑闲下来以后，是否仍有某个项目长期排在前面。",[11,77,78],{},"列表中可能出现浏览器的辅助进程，或名称不熟悉的系统组件。先确认它属于哪个软件、正在做什么，再决定是否需要处理。",[40,80,81],{"id":81},"在菜单栏或悬浮窗中持续观察",[11,83,84,85,88,89,92],{},"如果经常一边工作、一边留意电脑负载，可以在 MangoDisk 的系统状态设置中选择显示方式，将 CPU 状态放在",[21,86,87],{},"菜单栏","或",[21,90,91],{},"悬浮窗","中。",[11,94,95],{},"菜单栏适合随时看一眼；桌面悬浮窗可以拖到方便的位置，并选择横向或竖向布局。写代码、处理照片或导出视频时，不必一直展开详情面板，也能留意 CPU 是否持续忙碌。需要查具体项目时，再打开 CPU 详情。",[11,97,98],{},[31,99],{"alt":100,"decoding":34,"height":35,"loading":36,"src":101,"width":38},"MangoDisk 官网中文监控演示，总览面板配合菜单栏、横向和竖向悬浮窗显示电脑状态","https:\u002F\u002Fassets.mangodisk.app\u002Fimages\u002Fscreenshots\u002Fzh\u002Flight-system-monitoring-overview-v2.jpg",[11,103,104,105,109],{},"也可以在总览中一起查看内存、磁盘和网络状态。比如 CPU 已经不忙了，电脑仍然卡顿，就继续检查内存压力和磁盘空间，判断是否还有其他原因。你可以先在",[15,106,108],{"href":107},"\u002Fzh#system-monitoring","官网体验系统监控","，了解面板和显示布局。",[40,111,113],{"id":112},"用-mac-自带的活动监视器查看","用 Mac 自带的活动监视器查看",[11,115,116],{},"只想临时查看一次，也可以直接用 macOS 自带的“活动监视器”：",[48,118,119,126,132,138],{},[51,120,121,122,125],{},"按 ",[21,123,124],{},"Command + 空格","，搜索并打开“活动监视器”。",[51,127,128,129,131],{},"点击 ",[21,130,23],{}," 标签页。",[51,133,128,134,137],{},[21,135,136],{},"% CPU"," 列，将占用较高的进程排在前面。",[51,139,140,141,144],{},"查看窗口底部的",[21,142,143],{},"系统、用户和闲置","，了解整台 Mac 的负载。",[11,146,147],{},"这三个数字分别表示：",[149,150,151,164],"table",{},[152,153,154],"thead",{},[155,156,157,161],"tr",{},[158,159,160],"th",{},"指标",[158,162,163],{},"表示什么",[165,166,167,176,184],"tbody",{},[155,168,169,173],{},[170,171,172],"td",{},"系统",[170,174,175],{},"macOS 系统进程使用的 CPU 比例",[155,177,178,181],{},[170,179,180],{},"用户",[170,182,183],{},"你打开的应用及其相关进程使用的 CPU 比例",[155,185,186,189],{},[170,187,188],{},"闲置",[170,190,191],{},"当前尚未使用的 CPU 比例",[11,193,194,195,198,199,202,203],{},"“闲置”越少，说明整体越忙。想看近期变化，可以选择",[21,196,197],{},"窗口 → CPU 历史记录","；想在程序坞里显示，也可以通过",[21,200,201],{},"显示 → 程序坞图标","选择 CPU 显示方式。",[15,204,208],{"href":205,"rel":206},"https:\u002F\u002Fsupport.apple.com\u002Fzh-cn\u002Fguide\u002Factivity-monitor\u002Factmntr43452\u002Fmac",[207],"nofollow","Apple CPU 活动说明",[40,210,212],{"id":211},"为什么单个进程的-cpu-会超过-100","为什么单个进程的 CPU 会超过 100%？",[11,214,215,216],{},"在活动监视器中，单个进程使用多个 CPU 核心时，数值可以超过 100%。这不表示电脑“超出了全部处理能力”，也不能直接拿它和整机占用率比较。",[15,217,220],{"href":218,"rel":219},"https:\u002F\u002Ffirefox-source-docs.mozilla.org\u002Fperformance\u002Factivity_monitor_and_top.html",[207],"CPU 百分比说明",[11,222,223],{},"判断整台 Mac 有多忙，看窗口底部的整体负载；判断哪个进程在工作，看列表中的“% CPU”。视频导出、编译等任务可能同时利用多个核心，是否需要处理还要结合任务和持续时间。",[40,225,227],{"id":226},"cpu-占用高时先判断正在做什么","CPU 占用高时，先判断正在做什么",[11,229,230,231],{},"CPU 占用率没有一个适合所有电脑、所有任务的固定“正常值”。比某一刻的百分比更值得关注的是：",[21,232,233],{},"当前有没有需要计算的任务，以及任务结束后负载是否回落。",[149,235,236,246],{},[152,237,238],{},[155,239,240,243],{},[158,241,242],{},"当前情况",[158,244,245],{},"可以先做什么",[165,247,248,256,264,276],{},[155,249,250,253],{},[170,251,252],{},"正在导出视频、编译或批量处理文件",[170,254,255],{},"观察任务进度，完成后再看占用是否下降",[155,257,258,261],{},[170,259,260],{},"没有明显任务，但某个熟悉的软件持续占用",[170,262,263],{},"回到软件检查后台任务，暂停不需要的工作，或保存后正常退出并重新打开",[155,265,266,269],{},[170,267,268],{},"每次登录后都有一批软件持续忙碌",[170,270,271,272],{},"检查是否有不需要自动运行的项目，参考",[15,273,275],{"href":274},"\u002Fzh\u002Fblog\u002Fstop-apps-opening-on-startup-mac","关闭 Mac 软件的开机自启动",[155,277,278,281],{},[170,279,280],{},"CPU 已经不高，电脑仍然卡顿",[170,282,283],{},"继续查看内存压力、磁盘剩余空间，以及是否只在某个应用中发生",[11,285,286,287,290,291],{},"需要退出应用时，",[21,288,289],{},"先保存工作，再从应用自身菜单正常退出","。只有应用没有响应、普通退出无效时，再考虑活动监视器中的“强制退出”；未保存的内容可能丢失，依赖该进程的其他应用也可能受影响。",[15,292,295],{"href":293,"rel":294},"https:\u002F\u002Fsupport.apple.com\u002Fzh-cn\u002Fguide\u002Factivity-monitor\u002Factmntr1002\u002Fmac",[207],"Apple 退出进程说明",[11,297,298,299,303],{},"不认识的系统进程，先保留。排在列表前面只说明它当时占用了资源，不能据此判断它多余或有问题。更多操作边界见 ",[15,300,302],{"href":301},"\u002Fzh\u002Fdocs\u002Fsafety","MangoDisk 安全使用说明","。",[11,305,306,307,311,312,316],{},"如果确认某个软件不需要在登录后运行，可以通过",[15,308,310],{"href":309},"\u002Fzh\u002Fdocs\u002Ffeatures\u002Fstartup-items","启动项管理","调整后续启动行为；已经不再使用的软件，可以参考",[15,313,315],{"href":314},"\u002Fzh\u002Fblog\u002Fcompletely-uninstall-apps-mac","Mac 软件卸载与关联文件处理","。关闭启动项不会立即结束当前正在运行的程序。",[11,318,319,320,323,324,303],{},"想在使用电脑时随时了解负载，可以",[15,321,322],{"href":17},"下载 MangoDisk","，把 CPU 状态放在菜单栏或桌面悬浮窗中，需要时再展开查看具体应用与进程。免费开源，无需注册。更多相关内容见 ",[15,325,327],{"href":326},"\u002Fzh\u002Fblog\u002Ftopics\u002Fmac-cleanup","Mac 使用与管理文章",{"title":329,"searchDepth":330,"depth":330,"links":331},"",2,[332,333,334,335,336],{"id":42,"depth":330,"text":43},{"id":81,"depth":330,"text":81},{"id":112,"depth":330,"text":113},{"id":211,"depth":330,"text":212},{"id":226,"depth":330,"text":227},"Mac 系统工具","\u002Fimages\u002Fblog\u002Fcheck-cpu-usage-mac.webp","暖白色背景上的白色 CPU 芯片与橙色波形","用 MangoDisk 在菜单栏或悬浮窗查看 Mac CPU 占用率，找到持续占用资源的应用与进程；了解活动监视器的查看方法，以及高占用、超过 100% 时该怎么看。",false,"md",{},true,"\u002Fzh\u002Fblog\u002Fcheck-cpu-usage-mac","2026-11-01T09:01:00+08:00",{"title":5,"description":340},"zh\u002Fblog\u002Fcheck-cpu-usage-mac",[350,351,352],"Mac CPU 占用率","系统监控","活动监视器",[354],"mac-cleanup","article-check-cpu-usage-mac","GCb3NFvTdd_00-EE8uw5Vt_D_iHkH10v-ZMg7jz18vQ",1793497270235]