diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index f56eb44745a8..42ed86a6ad3c 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -745,7 +745,7 @@ static void update_rq_clock_task(struct rq *rq, s64 delta)
 	if ((irq_delta + steal) && sched_feat(NONTASK_CAPACITY))
 		update_irq_load_avg(rq, irq_delta + steal);
 #endif
-	update_rq_clock_pelt(rq, delta);
+	update_rq_clock_task_mult(rq, delta);
 }
 
 void update_rq_clock(struct rq *rq)
diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index f673b9ab92dc..24886bab0f91 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -468,6 +468,54 @@ int update_irq_load_avg(struct rq *rq, u64 running)
 }
 #endif /* CONFIG_HAVE_SCHED_AVG_IRQ */
 
+__read_mostly unsigned int sched_pelt_lshift;
+static unsigned int sched_pelt_multiplier = 1;
+
+static int set_sched_pelt_multiplier(const char *val, const struct kernel_param *kp)
+{
+	int ret;
+
+	ret = param_set_int(val, kp);
+	if (ret)
+		goto error;
+
+	switch (sched_pelt_multiplier)  {
+	case 1:
+		fallthrough;
+	case 2:
+		fallthrough;
+	case 4:
+		WRITE_ONCE(sched_pelt_lshift,
+			   sched_pelt_multiplier >> 1);
+		break;
+	default:
+		ret = -EINVAL;
+		goto error;
+	}
+
+	return 0;
+
+error:
+	sched_pelt_multiplier = 1;
+	return ret;
+}
+
+static const struct kernel_param_ops sched_pelt_multiplier_ops = {
+	.set = set_sched_pelt_multiplier,
+	.get = param_get_int,
+};
+
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+/* XXX: should we use sched as prefix? */
+#define MODULE_PARAM_PREFIX "kernel."
+module_param_cb(sched_pelt_multiplier, &sched_pelt_multiplier_ops, &sched_pelt_multiplier, 0444);
+MODULE_PARM_DESC(sched_pelt_multiplier, "PELT HALFLIFE helps control the responsiveness of the system.");
+MODULE_PARM_DESC(sched_pelt_multiplier, "Accepted value: 1 32ms PELT HALIFE - roughly 200ms to go from 0 to max performance point (default).");
+MODULE_PARM_DESC(sched_pelt_multiplier, "                2 16ms PELT HALIFE - roughly 100ms to go from 0 to max performance point.");
+MODULE_PARM_DESC(sched_pelt_multiplier, "                4  8ms PELT HALIFE - roughly  50ms to go from 0 to max performance point.");
+
 /*
  * Approximate the new util_avg value assuming an entity has continued to run
  * for @delta us.
@@ -482,7 +530,7 @@ unsigned long approximate_util_avg(unsigned long util, u64 delta)
 	if (unlikely(!delta))
 		return util;
 
-	accumulate_sum(delta, &sa, 0, 0, 1);
+	accumulate_sum(delta << sched_pelt_lshift, &sa, 0, 0, 1);
 	___update_load_avg(&sa, 0);
 
 	return sa.util_avg;
@@ -494,7 +542,7 @@ unsigned long approximate_util_avg(unsigned long util, u64 delta)
 u64 approximate_runtime(unsigned long util)
 {
 	struct sched_avg sa = {};
-	u64 delta = 1024; // period = 1024 = ~1ms
+	u64 delta = 1024 << sched_pelt_lshift; // period = 1024 = ~1ms
 	u64 runtime = 0;
 
 	if (unlikely(!util))
diff --git a/kernel/sched/pelt.h b/kernel/sched/pelt.h
index 3a0e0dc28721..9b35b5072bae 100644
--- a/kernel/sched/pelt.h
+++ b/kernel/sched/pelt.h
@@ -61,6 +61,14 @@ static inline void cfs_se_util_change(struct sched_avg *avg)
 	WRITE_ONCE(avg->util_est.enqueued, enqueued);
 }
 
+static inline u64 rq_clock_task_mult(struct rq *rq)
+{
+	lockdep_assert_rq_held(rq);
+	assert_clock_updated(rq);
+
+	return rq->clock_task_mult;
+}
+
 static inline u64 rq_clock_pelt(struct rq *rq)
 {
 	lockdep_assert_rq_held(rq);
@@ -72,7 +80,7 @@ static inline u64 rq_clock_pelt(struct rq *rq)
 /* The rq is idle, we can sync to clock_task */
 static inline void _update_idle_rq_clock_pelt(struct rq *rq)
 {
-	rq->clock_pelt  = rq_clock_task(rq);
+	rq->clock_pelt = rq_clock_task_mult(rq);
 
 	u64_u32_store(rq->clock_idle, rq_clock(rq));
 	/* Paired with smp_rmb in migrate_se_pelt_lag() */
@@ -121,6 +129,27 @@ static inline void update_rq_clock_pelt(struct rq *rq, s64 delta)
 	rq->clock_pelt += delta;
 }
 
+extern unsigned int sched_pelt_lshift;
+
+/*
+ * absolute time   |1      |2      |3      |4      |5      |6      |
+ * @ mult = 1      --------****************--------****************-
+ * @ mult = 2      --------********----------------********---------
+ * @ mult = 4      --------****--------------------****-------------
+ * clock task mult
+ * @ mult = 2      |   |   |2  |3  |   |   |   |   |5  |6  |   |   |
+ * @ mult = 4      | | | | |2|3| | | | | | | | | | |5|6| | | | | | |
+ *
+ */
+static inline void update_rq_clock_task_mult(struct rq *rq, s64 delta)
+{
+	delta <<= READ_ONCE(sched_pelt_lshift);
+
+	rq->clock_task_mult += delta;
+
+	update_rq_clock_pelt(rq, delta);
+}
+
 /*
  * When rq becomes idle, we have to check if it has lost idle time
  * because it was fully busy. A rq is fully used when the /Sum util_sum
@@ -147,7 +176,7 @@ static inline void update_idle_rq_clock_pelt(struct rq *rq)
 	 * rq's clock_task.
 	 */
 	if (util_sum >= divider)
-		rq->lost_idle_time += rq_clock_task(rq) - rq->clock_pelt;
+		rq->lost_idle_time += rq_clock_task_mult(rq) - rq->clock_pelt;
 
 	_update_idle_rq_clock_pelt(rq);
 }
@@ -218,13 +247,18 @@ update_irq_load_avg(struct rq *rq, u64 running)
 	return 0;
 }
 
-static inline u64 rq_clock_pelt(struct rq *rq)
+static inline u64 rq_clock_task_mult(struct rq *rq)
 {
 	return rq_clock_task(rq);
 }
 
+static inline u64 rq_clock_pelt(struct rq *rq)
+{
+	return rq_clock_task_mult(rq);
+}
+
 static inline void
-update_rq_clock_pelt(struct rq *rq, s64 delta) { }
+update_rq_clock_task_mult(struct rq *rq, s64 delta) { }
 
 static inline void
 update_idle_rq_clock_pelt(struct rq *rq) { }
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e06e512af192..896b6655397c 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1023,6 +1023,7 @@ struct rq {
 	u64			clock;
 	/* Ensure that all clocks are in the same cache line */
 	u64			clock_task ____cacheline_aligned;
+	u64			clock_task_mult;
 	u64			clock_pelt;
 	unsigned long		lost_idle_time;
 	u64			clock_pelt_idle;
