diff --git a/src/devtools/met-driver/4.19/common/power.c b/src/devtools/met-driver/4.19/common/power.c
new file mode 100644
index 0000000..d3cf723
--- /dev/null
+++ b/src/devtools/met-driver/4.19/common/power.c
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2019 MediaTek Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/cpufreq.h>
+#include <trace/events/power.h>
+
+#include "power.h"
+#include "met_drv.h"
+#include "met_kernel_symbol.h"
+
+noinline void cpu_frequency(unsigned int frequency, unsigned int cpu_id)
+{
+	/* suppose this symbol is available, otherwise, the met.ko will fail */
+	met_cpu_frequency_symbol(frequency, cpu_id);
+}
+
+void force_power_log(int cpu)
+{
+	struct cpufreq_policy *p;
+
+	if (cpu == POWER_LOG_ALL) {
+		for_each_possible_cpu(cpu) {
+			p = cpufreq_cpu_get(cpu);
+			if (p != NULL) {
+				cpu_frequency(p->cur, cpu);
+				cpufreq_cpu_put(p);
+			} else {
+				cpu_frequency(0, cpu);
+			}
+		}
+	} else {
+		p = cpufreq_cpu_get(cpu);
+		if (p != NULL) {
+			cpu_frequency(p->cur, cpu);
+			cpufreq_cpu_put(p);
+		} else {
+			cpu_frequency(0, cpu);
+		}
+	}
+}
+
+void force_power_log_val(unsigned int frequency, int cpu)
+{
+	cpu_frequency(frequency, cpu);
+}