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Commit 9c7d269b authored by Dave Jones's avatar Dave Jones
Browse files

[CPUFREQ] ondemand,conservative governor idle_tick clean-up 



[PATCH] [3/5] ondemand,conservative governor idle_tick clean-up

Ondemand and conservative governor clean-up, it factorises the idle ticks 
measurement.

Signed-off-by: default avatarEric Piel <eric.piel@tremplin-utc.net>
Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent 790d76fa

drivers/cpufreq/cpufreq_conservative.c

+5 −21
Original line number Diff line number Diff line
@@ -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;

drivers/cpufreq/cpufreq_ondemand.c

+5 −21
Original line number Diff line number Diff line
@@ -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;