Exemplos de vperfctr_resume_with_overflow_check em C++ (Cpp)

Exemplo n.º 1

Arquivo: virtual_bak3.c Projeto: kandycs/kitten-perf

/* schedule() --> switch_to() --> .. --> __vperfctr_resume().
 * PRE: perfctr == current->arch.thread.perfctr
 * If the counters are runnable, resume them.
 * PREEMPT note: switch_to() runs with preemption disabled.
 */
void __vperfctr_resume(struct vperfctr *perfctr)
{
	if (IS_RUNNING(perfctr)) {
#ifdef CONFIG_PERFCTR_CPUS_FORBIDDEN_MASK
		if (unlikely(atomic_read(&perfctr->bad_cpus_allowed)) &&
		    perfctr_cstatus_nrctrs(perfctr->cpu_state.user.cstatus)) {
			perfctr->cpu_state.user.cstatus = 0;
			perfctr->resume_cstatus = 0;
			BUG_ON(current->state != TASK_RUNNING);
			send_sig(SIGILL, current, 1);
			return;
		}
#endif
		vperfctr_resume_with_overflow_check(perfctr);
	}
}

Exemplo n.º 2

Arquivo: virtual.c Projeto: akennedy-adtran/linux_mmc_2.6.32.9

/* schedule() --> switch_to() --> .. --> __vperfctr_resume().
 * PRE: perfctr == current->thread.perfctr
 * If the counters are runnable, resume them.
 * PREEMPT note: switch_to() runs with preemption disabled.
 */
void __vperfctr_resume(struct vperfctr *perfctr)
{
	if (IS_RUNNING(perfctr)) {
		// logical place to add the functionality

	// what exactly are we doing here ?
#ifdef CONFIG_PERFCTR_CPUS_FORBIDDEN_MASK
		if (unlikely(atomic_read(&perfctr->bad_cpus_allowed)) &&
		    perfctr_cstatus_nrctrs(perfctr->cpu_state.cstatus)) {
			perfctr->cpu_state.cstatus = 0;
			vperfctr_clear_iresume_cstatus(perfctr);
			BUG_ON(current->state != TASK_RUNNING);
			send_sig(SIGILL, current, 1);
			return;
		}
#endif
		vperfctr_resume_with_overflow_check(perfctr);
	}
}