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CONFIG_PREEMPTIRQ_EVENTS: Enable trace events for preempt and irq disable/enable

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The Linux kernel configuration item CONFIG_PREEMPTIRQ_EVENTS:

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Enable tracing of disable and enable events for preemption and irqs. For tracing preempt disable/enable events, DEBUG_PREEMPT must be enabled. For tracing irq disable/enable events, PROVE_LOCKING must be disabled.



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