Some minor adjustments were needed to support LAB operation in the
cpufreq_governor.[h|c] files.
Most notably, code for proper estimation of the idle time for each CPU is
added here.
Signed-off-by: Lukasz Majewski <l.majewski@xxxxxxxxxxx>
Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
---
drivers/cpufreq/cpufreq_governor.c | 7 +++++++
drivers/cpufreq/cpufreq_governor.h | 2 ++
2 files changed, 9 insertions(+)
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index ba43991..99fc3e8 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -98,6 +98,13 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
load = 100 * (wall_time - idle_time) / wall_time;
+ if (dbs_data->cdata->governor == GOV_LAB) {
+ struct od_cpu_dbs_info_s *od_dbs_info =
+ dbs_data->cdata->get_cpu_dbs_info_s(j);
+
+ od_dbs_info->idle_time = (100 * idle_time) / wall_time;
+ }
+
if (load > max_load)
max_load = load;
}
diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h
index 34b1cf2..82a519f 100644
--- a/drivers/cpufreq/cpufreq_governor.h
+++ b/drivers/cpufreq/cpufreq_governor.h
@@ -152,6 +152,7 @@ struct od_cpu_dbs_info_s {
unsigned int freq_lo_jiffies;
unsigned int freq_hi_jiffies;
unsigned int rate_mult;
+ unsigned int idle_time;
unsigned int sample_type:1;
};
@@ -187,6 +188,7 @@ struct common_dbs_data {
/* Common across governors */
#define GOV_ONDEMAND 0
#define GOV_CONSERVATIVE 1
+ #define GOV_LAB 2
int governor;
struct attribute_group *attr_group_gov_sys; /* one governor - system */
struct attribute_group *attr_group_gov_pol; /* one governor - policy */
--
1.7.10.4
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