Archivos por Etiqueta: top

Linux: Performance Analysis and Tools

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Analysis and Tools

Linux Performance
Perf Examples


TOP – los tags indocumentados

Lo que significa cada tag en el CPU States de TOP (en la documentacion no aparece)
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni, 0.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
us: userspace – what you’re running above the kernel
sy: system calls – what is running inside the kernel
ni: reniced processes
id: idle
wa: waiting for i/o
hi: hardware interrupts – how much time is spent dealing with hardware
si: software interrupts – how much time is spent dealing with software-created interrupts (system calls, etc.)
st: steal – z/VM, Xen, VMWare
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