Merge "driver: lpm-levels: Add check for IPI pendning in core lpm path" (627a1ea6) · Commits · e / devices / android_kernel_fairphone_FP5

drivers/cpuidle/lpm-levels.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1418,6 +1418,7 @@ void update_ipi_history(int cpu)
		if (history->current_ptr >= MAXSAMPLES)
		history->current_ptr = 0;
		history->cpu_idle_resched_ts = now;
		trace_ipi_wakeup_time(ktime_to_us(now));
		}
		#endif

		@@ -1474,7 +1475,7 @@ static int lpm_cpuidle_enter(struct cpuidle_device *dev,
		trace_cpu_idle_enter(idx);
		lpm_stats_cpu_enter(idx, start_time);

		if (need_resched())
		if (need_resched() \|\| is_IPI_pending(cpumask_of(dev->cpu)))
		goto exit;

		if (idx == cpu->nlevels - 1)

+17 −0

Original line number	Diff line number	Diff line
		@@ -244,6 +244,23 @@ TRACE_EVENT(cluster_pred_hist,
		__entry->sample, __entry->tmr)
		);

		TRACE_EVENT(ipi_wakeup_time,

		TP_PROTO(u64 wakeup),

		TP_ARGS(wakeup),

		TP_STRUCT__entry(
		__field(u64, wakeup)
		),

		TP_fast_assign(
		__entry->wakeup = wakeup;
		),

		TP_printk("wakeup:%llu", __entry->wakeup)
		);

		#endif
		#define TRACE_INCLUDE_FILE trace_msm_low_power
		#include <trace/define_trace.h>