---

yaml --- r: 1744 b: refs/heads/master c: 9c7d269 h: refs/heads/master v: v3
git-mirror · Jun 1, 2005 · 2db06dd · 2db06dd
1 parent f59d015
commit 2db06dd
Show file tree

Hide file tree

Showing 3 changed files with 11 additions and 43 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 790d76fa979f55bfc49a6901bb911778949b582d
+refs/heads/master: 9c7d269b9b05440dd0fe92d96f4e5d7e73dd7238
diff --git a/trunk/drivers/cpufreq/cpufreq_conservative.c b/trunk/drivers/cpufreq/cpufreq_conservative.c
@@ -297,7 +297,6 @@ static struct attribute_group dbs_attr_group = {
 static void dbs_check_cpu(int cpu)
 {
 	unsigned int idle_ticks, up_idle_ticks, down_idle_ticks;
-	unsigned int total_idle_ticks;
 	unsigned int freq_step;
 	unsigned int freq_down_sampling_rate;
 	static int down_skip[NR_CPUS];
@@ -338,19 +337,12 @@ static void dbs_check_cpu(int cpu)
 	 */
 
 	/* Check for frequency increase */
-	total_idle_ticks = get_cpu_idle_time(cpu);
-	idle_ticks = total_idle_ticks -
-		this_dbs_info->prev_cpu_idle_up;
-	this_dbs_info->prev_cpu_idle_up = total_idle_ticks;
-
 
+	idle_ticks = UINT_MAX;
 	for_each_cpu_mask(j, policy->cpus) {
-		unsigned int tmp_idle_ticks;
+		unsigned int tmp_idle_ticks, total_idle_ticks;
 		struct cpu_dbs_info_s *j_dbs_info;
 
-		if (j == cpu)
-			continue;
-
 		j_dbs_info = &per_cpu(cpu_dbs_info, j);
 		/* Check for frequency increase */
 		total_idle_ticks = get_cpu_idle_time(j);
@@ -400,20 +392,12 @@ static void dbs_check_cpu(int cpu)
 	if (down_skip[cpu] < dbs_tuners_ins.sampling_down_factor)
 		return;
 
-	total_idle_ticks = this_dbs_info->prev_cpu_idle_up;
-	idle_ticks = total_idle_ticks -
-		this_dbs_info->prev_cpu_idle_down;
-	this_dbs_info->prev_cpu_idle_down = total_idle_ticks;
-
+	idle_ticks = UINT_MAX;
 	for_each_cpu_mask(j, policy->cpus) {
-		unsigned int tmp_idle_ticks;
+		unsigned int tmp_idle_ticks, total_idle_ticks;
 		struct cpu_dbs_info_s *j_dbs_info;
 
-		if (j == cpu)
-			continue;
-
 		j_dbs_info = &per_cpu(cpu_dbs_info, j);
-		/* Check for frequency increase */
 		total_idle_ticks = j_dbs_info->prev_cpu_idle_up;
 		tmp_idle_ticks = total_idle_ticks -
 			j_dbs_info->prev_cpu_idle_down;
@@ -432,7 +416,7 @@ static void dbs_check_cpu(int cpu)
 	down_idle_ticks = (100 - dbs_tuners_ins.down_threshold) *
 			usecs_to_jiffies(freq_down_sampling_rate);
 
-	if (idle_ticks > down_idle_ticks ) {
+	if (idle_ticks > down_idle_ticks) {
 		/* if we are already at the lowest speed then break out early
 		 * or if we 'cannot' reduce the speed as the user might want
 		 * freq_step to be zero */

diff --git a/trunk/drivers/cpufreq/cpufreq_ondemand.c b/trunk/drivers/cpufreq/cpufreq_ondemand.c
@@ -296,7 +296,6 @@ static struct attribute_group dbs_attr_group = {
 static void dbs_check_cpu(int cpu)
 {
 	unsigned int idle_ticks, up_idle_ticks, down_idle_ticks;
-	unsigned int total_idle_ticks;
 	unsigned int freq_down_step;
 	unsigned int freq_down_sampling_rate;
 	static int down_skip[NR_CPUS];
@@ -325,20 +324,12 @@ static void dbs_check_cpu(int cpu)
 	 */
 
 	/* Check for frequency increase */
-	total_idle_ticks = get_cpu_idle_time(cpu);
-	idle_ticks = total_idle_ticks -
-		this_dbs_info->prev_cpu_idle_up;
-	this_dbs_info->prev_cpu_idle_up = total_idle_ticks;
-
+	idle_ticks = UINT_MAX;
 	for_each_cpu_mask(j, policy->cpus) {
-		unsigned int tmp_idle_ticks;
+		unsigned int tmp_idle_ticks, total_idle_ticks;
 		struct cpu_dbs_info_s *j_dbs_info;
 
-		if (j == cpu)
-			continue;
-
 		j_dbs_info = &per_cpu(cpu_dbs_info, j);
-		/* Check for frequency increase */
 		total_idle_ticks = get_cpu_idle_time(j);
 		tmp_idle_ticks = total_idle_ticks -
 			j_dbs_info->prev_cpu_idle_up;
@@ -376,18 +367,11 @@ static void dbs_check_cpu(int cpu)
 	if (down_skip[cpu] < dbs_tuners_ins.sampling_down_factor)
 		return;
 
-	total_idle_ticks = this_dbs_info->prev_cpu_idle_up;
-	idle_ticks = total_idle_ticks -
-		this_dbs_info->prev_cpu_idle_down;
-	this_dbs_info->prev_cpu_idle_down = total_idle_ticks;
-
+	idle_ticks = UINT_MAX;
 	for_each_cpu_mask(j, policy->cpus) {
-		unsigned int tmp_idle_ticks;
+		unsigned int tmp_idle_ticks, total_idle_ticks;
 		struct cpu_dbs_info_s *j_dbs_info;
 
-		if (j == cpu)
-			continue;
-
 		j_dbs_info = &per_cpu(cpu_dbs_info, j);
 		/* Check for frequency decrease */
 		total_idle_ticks = j_dbs_info->prev_cpu_idle_up;
@@ -408,7 +392,7 @@ static void dbs_check_cpu(int cpu)
 	down_idle_ticks = (100 - dbs_tuners_ins.down_threshold) *
 		usecs_to_jiffies(freq_down_sampling_rate);
 
-	if (idle_ticks > down_idle_ticks ) {
+	if (idle_ticks > down_idle_ticks) {
 		/* if we are already at the lowest speed then break out early
 		 * or if we 'cannot' reduce the speed as the user might want
 		 * freq_step to be zero */