diff -up powertop-2.3/src/tuning/cpufreq.cpp.orig powertop-2.3/src/tuning/cpufreq.cpp

--- powertop-2.3/src/tuning/cpufreq.cpp.orig	2013-01-31 22:39:27.000000000 +0100

+++ powertop-2.3/src/tuning/cpufreq.cpp	2013-06-28 14:05:04.254925669 +0200

@@ -63,6 +63,7 @@ int cpufreq_tunable::good_bad(void)

 	char gov[1024];

 	int ret = TUNE_GOOD;

+	unsigned long int ld;

 	gov[0] = 0;

@@ -91,6 +92,30 @@ int cpufreq_tunable::good_bad(void)

 			if (strcmp(gov, line))

 				ret = TUNE_BAD;

 		fclose(file);

+

+		/* check if ondemand governor is available */

+		sprintf(filename, "/sys/devices/system/cpu/%s/cpufreq/scaling_available_governors", dirent->d_name);

+		file = fopen(filename, "r");

+		if (!file)

+			continue;

+		memset(line, 0, 1024);

+		if (fgets(line, 1023,file)==NULL || strstr(line, "ondemand")==NULL) {

+			fclose(file);

+			continue;

+		}

+		fclose(file);

+

+		/* check if cpu transition latency is not higher than ondemand governor max_transition_latency */

+		sprintf(filename, "/sys/devices/system/cpu/%s/cpufreq/cpuinfo_transition_latency", dirent->d_name);

+		file = fopen(filename, "r");

+		if (!file)

+			continue;

+		if (fscanf(file, "%lu", &ld) != 1 || ld > 10000000)

+		{

+			fclose(file);

+			continue;

+		}

+		fclose(file);

 	}

 	closedir(dir);