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Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 32b20efff5f8..05dc0e148f02 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -21,6 +21,7 @@
#include <linux/cpuidle.h>
#include <linux/cpu.h>
#include <linux/minmax.h>
+#include <linux/perf_event.h>
#include <acpi/processor.h>
/*
@@ -549,6 +550,8 @@ static void wait_for_freeze(void)
*/
static void __cpuidle acpi_idle_do_entry(struct acpi_processor_cx *cx)
{
+ perf_lopwr_cb(true);
+
if (cx->entry_method == ACPI_CSTATE_FFH) {
/* Call into architectural FFH based C-state */
acpi_processor_ffh_cstate_enter(cx);
@@ -559,6 +562,8 @@ static void __cpuidle acpi_idle_do_entry(struct acpi_processor_cx *cx)
inb(cx->address);
wait_for_freeze();
}
+
+ perf_lopwr_cb(false);
}
/**