From: Ziggy471 <ziggy471@gmail.com>
Date: Mon, 13 Dec 2010 19:02:34 +0000 (-0500)
Subject: 50K sampling for conservative Gov
X-Git-Url: https://ziggy471.com/git/gitweb.cgi?p=ziggy471-frankenstein-kernel.git;a=commitdiff;h=acf0a09dfc97af7c8e7468e580dccffa12f85de8

50K sampling for conservative Gov
---

--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -29,8 +29,8 @@
  * It helps to keep variable names smaller, simpler
  */
 
-#define DEF_FREQUENCY_UP_THRESHOLD		(80)
-#define DEF_FREQUENCY_DOWN_THRESHOLD		(20)
+#define DEF_FREQUENCY_UP_THRESHOLD		(60) // 80
+#define DEF_FREQUENCY_DOWN_THRESHOLD		(35)
 
 /*
  * The polling frequency of this governor depends on the capability of
@@ -42,7 +42,7 @@
  * this governor will not work.
  * All times here are in uS.
  */
-#define MIN_SAMPLING_RATE_RATIO			(2)
+#define MIN_SAMPLING_RATE_RATIO			(1) // 2
 
 static unsigned int min_sampling_rate;
 
@@ -95,7 +95,7 @@ static struct dbs_tuners {
 	.down_threshold = DEF_FREQUENCY_DOWN_THRESHOLD,
 	.sampling_down_factor = DEF_SAMPLING_DOWN_FACTOR,
 	.ignore_nice = 0,
-	.freq_step = 5,
+	.freq_step = 15, // 5
 };
 
 static inline cputime64_t get_cpu_idle_time_jiffy(unsigned int cpu,
@@ -569,7 +569,7 @@ static int cpufreq_governor_dbs(struct c
 			 * governor, thus we are bound to jiffes/HZ
 			 */
 			min_sampling_rate =
-				MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10);
+				MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(5); // 10
 			/* Bring kernel and HW constraints together */
 			min_sampling_rate = max(min_sampling_rate,
 					MIN_LATENCY_MULTIPLIER * latency);
@@ -671,3 +671,4 @@ fs_initcall(cpufreq_gov_dbs_init);
 module_init(cpufreq_gov_dbs_init);
 #endif
 module_exit(cpufreq_gov_dbs_exit);
+