In htop, the CPU usage is represented by different colors, each indicating a specific type of CPU activity. Here's how to interpret the colors:
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Green: Represents user processes. This is the CPU time spent on processes that are running in user mode (i.e., applications and services).
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Light Green: Indicates low-priority user processes (nice processes). These processes have a lower priority than regular user processes.
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Blue: Represents system processes. This is the CPU time spent on kernel processes (i.e., system-level tasks).
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Yellow: Indicates I/O wait time. This shows the percentage of time the CPU is waiting for input/output operations to complete (e.g., disk reads/writes).
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Red: Represents the time spent on processes running in kernel mode (system calls). This indicates CPU time used by the kernel for handling system calls and interrupts.
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Magenta: Indicates the time spent in the "steal" state, which is relevant in virtualized environments. It shows the percentage of time the virtual CPU is waiting for the real CPU while the hypervisor is servicing another virtual processor.
By analyzing these colors, you can quickly assess how your CPU resources are being utilized and identify potential bottlenecks or issues. If you have further questions or need more details, feel free to ask!
