C++ (Cpp) trace_ipi_exit Examples

Example #1

File: smp.c Project: kernelOfTruth/linux

/*
 * Main handler for inter-processor interrupts
 */
void handle_IPI(int ipinr, struct pt_regs *regs)
{
    unsigned int cpu = smp_processor_id();
    struct pt_regs *old_regs = set_irq_regs(regs);

    if ((unsigned)ipinr < NR_IPI) {
        trace_ipi_entry(ipi_types[ipinr]);
        __inc_irq_stat(cpu, ipi_irqs[ipinr]);
    }

    switch (ipinr) {
    case IPI_RESCHEDULE:
        scheduler_ipi();
        break;

    case IPI_CALL_FUNC:
        irq_enter();
        generic_smp_call_function_interrupt();
        irq_exit();
        break;

    case IPI_CALL_FUNC_SINGLE:
        irq_enter();
        generic_smp_call_function_single_interrupt();
        irq_exit();
        break;

    case IPI_CPU_STOP:
        irq_enter();
        ipi_cpu_stop(cpu);
        irq_exit();
        break;

#ifdef CONFIG_GENERIC_CLOCKEVENTS_BROADCAST
    case IPI_TIMER:
        irq_enter();
        tick_receive_broadcast();
        irq_exit();
        break;
#endif

#ifdef CONFIG_IRQ_WORK
    case IPI_IRQ_WORK:
        irq_enter();
        irq_work_run();
        irq_exit();
        break;
#endif

    default:
        pr_crit("CPU%u: Unknown IPI message 0x%x\n", cpu, ipinr);
        break;
    }

    if ((unsigned)ipinr < NR_IPI)
        trace_ipi_exit(ipi_types[ipinr]);
    set_irq_regs(old_regs);
}

Example #2

File: smp.c Project: 47fortyseven/custom_kernel_hermes

/*
 * Main handler for inter-processor interrupts
 */
void handle_IPI(int ipinr, struct pt_regs *regs)
{
	unsigned int cpu = smp_processor_id();
	struct pt_regs *old_regs = set_irq_regs(regs);

	if ((unsigned)ipinr < NR_IPI) {
		trace_ipi_entry(ipi_types[ipinr]);
		__inc_irq_stat(cpu, ipi_irqs[ipinr]);
	}

	switch (ipinr) {
	case IPI_RESCHEDULE:
		scheduler_ipi();
		break;

	case IPI_CALL_FUNC:
		irq_enter();
        mt_trace_ISR_start(ipinr);
		generic_smp_call_function_interrupt();
        mt_trace_ISR_end(ipinr);
		irq_exit();
		break;

	case IPI_CALL_FUNC_SINGLE:
		irq_enter();
        mt_trace_ISR_start(ipinr);
		generic_smp_call_function_single_interrupt();
        mt_trace_ISR_end(ipinr);
		irq_exit();
		break;

	case IPI_CPU_STOP:
		irq_enter();
        mt_trace_ISR_start(ipinr);
		ipi_cpu_stop(cpu);
        mt_trace_ISR_end(ipinr);
		irq_exit();
		break;

	default:
		pr_crit("CPU%u: Unknown IPI message 0x%x\n", cpu, ipinr);
		break;
	}

	if ((unsigned)ipinr < NR_IPI)
		trace_ipi_exit(ipi_types[ipinr]);
	set_irq_regs(old_regs);
}