High CPU usage when idle - System and System interrupts
137443
High CPU usage by "System" and "System interrupts" (caused by ACPI.sys)
76718
CPU governor changes automatically to "performance" under load
153641
Getting cpu usage realtime
25378
Why does my CPU Usage reach 100% too often?
1327
how would I run a script or application when idle?
106793
Managing CPU intensive threads on iOS
101447
Why the cpu performance counter kept reporting 0% cpu usage?
23930
How to determine CPU and memory consumption from inside a process?
31426
How to get current CPU and RAM usage in Python?
146688
Why load is high despite the fact that neither CPU or disk is overused
54365
Is there an app that will notify me (in notifications center) if a process is using up a high percentage of CPU for a specified amount of time?
101404
Can I manually limit the %CPU used by a process?
131275
CPU usage is too high with Yosemite and an external monitor
90205
How to occupy 80% CPU consistently?
156025
OneDriveSetup.exe causes high CPU usage
22088
Idle Detection in WPF
68958
How to investigate high kernel task memory usage?