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NXP Tech Blog

Monitor the CPU loading using ebpf to reduce system call overhead

ZihengXu
NXP Employee
NXP Employee
昨天

A lightweight CPU utilization monitor built with eBPF + libbpf.  
It hooks into the kernel scheduler (sched_switch tracepoint) to measure per-CPU
active time with nanosecond precision — more accurate than polling-based tools like
top, and with lower overhead at high process counts.
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ebpf_cpu_monitor.tar.gz
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