/sys/kernel/debug/tracing/tracing_oncat /sys/k...">
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ftrace跟踪irq_handler_entry和irq_ha

ftrace跟踪irq_handler_entry和irq_ha

作者: 小桥流水啦啦啦 | 来源:发表于2021-03-17 21:33 被阅读0次

echo "0" >/sys/kernel/debug/tracing/tracing_on
cat /sys/kernel/debug/tracing/current_tracer
cat /sys/kernel/debug/tracing/available_tracers
echo function > /sys/kernel/debug/tracing/current_tracer
echo "1">/sys/kernel/debug/tracing/events/irq/irq_handler_entry/enable
echo "1">/sys/kernel/debug/tracing/events/irq/irq_handler_exit/enable
echo "1" >/sys/kernel/debug/tracing/tracing_on
cat /sys/kernel/debug/tracing/trace
echo "1" >/sys/kernel/debug/tracing/tracing_on

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