![]() ![]() GPU Time: The amount of time the GPU is used by the process.% GPU: Percentage of the Mac’s GPU the process is using. ![]() Idle Wake Ups: This is the number of times a thread has forced the Mac to wake up from an idle state.Threads are small chunks of the application that can be run concurrently. Threads: How many active threads a process is currently running.CPU Time: The amount of CPU time used by a process.% CPU: The percentage of CPU capacity used by each process.This tab displays how each process is using your Mac’s processor resources, including the following: The CPU tab displays the resources each process uses while running. Most users won’t see this additional tab, and we won’t be covering it in this guide. Note: There can be a sixth tab, labeled Cache, if you have set up local Content Caching. Network: Shows how much data each app or process is sending or receiving over the network.Disk: Displays how much data a process has written to or read from a drive.Energy: Shows how much energy is being used and how much each process is using on its own.Memory: Displays how the processes are using memory. ![]() CPU: Shows how the processes are affecting your Mac’s processors, including the CPU and GPU. ![]() Because that’s a lot of information to present, Activity Monitor breaks it into 5 categories you’ll find shown as tabs at the top of the app’s window. When you’re done, set the View option back to My Processes for the rest of this guide.Īctivity Monitor displays the effects of each process on your Mac’s hardware. There’s a wide range of choices that you can try out for yourself. You can change which type of processes are displayed by accessing the Activity Monitor View menu. By default, Activity Monitor will show you processes and apps that were started by you. Activity Monitor OverviewĪctivity Monitor can show you all of the processes running on your Mac, including user apps, system apps, and background processes that may normally be invisible to the user. Use the Hide option to keep the Activity Monitor window hidden when setting the app as a login item. Should you need to see the Activity Monitor window, you can view it by clicking on Activity Monitor’s Dock icon. You only need to do this once after that, each time your Mac starts up, Activity Monitor will be running without its window. Now for the super secret step: Quit the Activity Monitor app before you shut down or restart your Mac. Place a check mark in the Hide box, next to the Activity Monitor item. Select your user account from the sidebar, and then click the Login Items tab. Launch System Preferences, and select the Users & Groups preference pane. Tip: To have Activity Monitor automatically start up at login but leave the Activity Window closed so it doesn’t clutter up your desktop, do the following: The Activity Monitor app will now open automatically whenever you start up your Mac. To have Activity Monitor automatically launch whenever you start your Mac up, right-click the Activity Monitor dock icon and select Options, Open at Login. The Activity Monitor window will open, and its icon will be added to the Dock. Launch Activity Monitor, located at /Applications/Utilities. You can start Activity Monitor up when you have a specific need to troubleshoot issues or check on performance, or you can launch Activity Monitor as part of the startup process for your Mac. You can configure always-on-top monitor windows, such as CPU History, to track your Mac’s resources. You can think of the app as letting you see what’s going on behind your Mac’s desktop. You can kill or quit a process that may be causing problems, such as a frozen app or one that’s hogging significant resources.Īctivity Monitor also lets you see how each process or app is affecting your Mac’s CPU, RAM, energy, disk, and network usage. Both allow you to see which apps and processes are currently running. Some consider Activity Monitor to be similar to Windows Task Manager. What is Activity Monitor?Īt its heart, the Activity Monitor app is designed to show all the processes that are running on your Mac and how those processes are affecting your Mac’s hardware. In part 1 of this Rocket Yard guide, we’ll look at using Activity Monitor to gauge the performance of the Mac’s processors and memory systems. That’s just one of many informational graphs Activity Monitor can generate you may find one of the other Dock views a better fit for your needs. It sits in my Dock and displays a small graph showing CPU performance over time. It can be such a useful app that I have it set to start automatically whenever I start up my Mac. ![]()
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