mipsxx_pmu_handle_irq 154 arch/mips/kernel/perf_event_mipsxx.c static irqreturn_t mipsxx_pmu_handle_irq(int, void *); mipsxx_pmu_handle_irq 555 arch/mips/kernel/perf_event_mipsxx.c err = request_irq(mipspmu.irq, mipsxx_pmu_handle_irq,