Ejemplo n.º 1
0
static void intel_pmu_disable_all(void)
{
	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);

	wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);

	if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask))
		intel_pmu_disable_bts();

	intel_pmu_pebs_disable_all();
	intel_pmu_lbr_disable_all();
}
Ejemplo n.º 2
0
static void __bts_event_stop(struct perf_event *event)
{
	/*
	 * No extra synchronization is mandated by the documentation to have
	 * BTS data stores globally visible.
	 */
	intel_pmu_disable_bts();

	if (event->hw.state & PERF_HES_STOPPED)
		return;

	ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED;
}
Ejemplo n.º 3
0
Archivo: bts.c Proyecto: bobcao3/linux
static void __bts_event_stop(struct perf_event *event, int state)
{
	struct bts_ctx *bts = this_cpu_ptr(&bts_ctx);

	/* ACTIVE -> INACTIVE(PMI)/STOPPED(->stop()) */
	WRITE_ONCE(bts->state, state);

	/*
	 * No extra synchronization is mandated by the documentation to have
	 * BTS data stores globally visible.
	 */
	intel_pmu_disable_bts();
}