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Commit e131832c authored by Dave Jones's avatar Dave Jones
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[CPUFREQ] ondemand governor default sampling downfactor as 1 



[PATCH] [5/5] ondemand governor default sampling downfactor as 1

Make default sampling downfactor 1.
This works better with earlier auto downscaling change in ondemand governor.

Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent c29f1403

drivers/cpufreq/cpufreq_ondemand.c

+5 −1
Original line number Diff line number Diff line
@@ -51,7 +51,8 @@ static unsigned int def_sampling_rate; 
#define MIN_SAMPLING_RATE			(def_sampling_rate / 2)

#define MAX_SAMPLING_RATE			(500 * def_sampling_rate)

#define DEF_SAMPLING_RATE_LATENCY_MULTIPLIER	(1000)

#define DEF_SAMPLING_DOWN_FACTOR		(10)

#define DEF_SAMPLING_DOWN_FACTOR		(1)

#define MAX_SAMPLING_DOWN_FACTOR		(10)

#define TRANSITION_LATENCY_LIMIT		(10 * 1000)



static void do_dbs_timer(void *data);
@@ -129,6 +130,9 @@ static ssize_t store_sampling_down_factor(struct cpufreq_policy *unused, 
	if (ret != 1 )

		return -EINVAL;



	if (input > MAX_SAMPLING_DOWN_FACTOR || input < 1)

		return -EINVAL;



	down(&dbs_sem);

	dbs_tuners_ins.sampling_down_factor = input;

	up(&dbs_sem);