Figure C When you select Show Kernel Times, the graph displays information about kernel usage. Without getting too technical, the kernel time indicates code that is directly accessing the computer hardware, whereas the user time indicates code that must use system APIs to access the computer hardware. The difference between kernel time and the total CPU time indicates the user time. The lighter scale shows the total CPU time. The graph will display a second, darker scale that indicates the kernel time, as shown in Figure C. If you want the graph to display kernel time, right-click on it and select Show Kernel Times.
Figure B You can display a graph for each of the logical processors. However, once it's needed, Windows will immediately put the CPU back to work. If a logical processor isn't currently needed to handle the CPU load, Windows will park the CPU to conserve energy. The tool tip will even tell you if that particular processor is parked, as shown in Figure B. If you hover your mouse pointer over each graph, you'll see a tool tip that identifies the CPU by number. To see a graph for each logical processor, just right-click and select Change Graph To > Logical Processors. By default, the CPU section displays a single graph showing overall utilization. The graph displays the percentage of your CPU's utilization on a scale of 0 to 100 over a 60-second timeframe. Figure A The CPU section of the Performance tab provides detailed information about the CPU. You can even find information about the CPU caches. You can tell at a glance whether the processor's hardware virtualization technology is enabled. In the lower right, you'll see the CPU's maximum speed, as well as the number of sockets, cores, and logical processors. In the CPU section, shown in Figure A, you'll find all kinds of details about the CPU in your system, including the brand name and model number at the top of the screen.
In this article, I'll delve into Task Manager's Performance tab and take a close look at the detailed information displayed in each section. This information can be useful in understanding how these main hardware components function.
The Windows 10 Performance tab provides data and graphs that show you detailed information on the current activity of the CPU, memory, disks, and your Ethernet/Wi-Fi connections. Windows 11: Tips on installation, security and more (free PDF).Ten Windows 10 network commands everyone one should know.Why Windows 11's security is such a big deal.Windows 11 cheat sheet: Everything you need to know.
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