C++ (Cpp) trace_ipi_exit_rcuidle Examples

Example #1

File: smp.c Project: bradbishop/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_rcuidle(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_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

#ifdef CONFIG_ARM64_ACPI_PARKING_PROTOCOL
	case IPI_WAKEUP:
		WARN_ONCE(!acpi_parking_protocol_valid(cpu),
			  "CPU%u: Wake-up IPI outside the ACPI parking protocol\n",
			  cpu);
		break;
#endif

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

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

Example #2

File: smp.c Project: Aqueti/kernels

/*
 * 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_rcuidle(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_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:
		if (ipi_custom_irq_domain &&
		    ipinr >= IPI_CUSTOM_FIRST && ipinr <= IPI_CUSTOM_LAST)
			handle_domain_irq(ipi_custom_irq_domain, ipinr, regs);
		else
			pr_crit("CPU%u: Unknown IPI message 0x%x\n",
				cpu, ipinr);
		break;
	}

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