From: Lukasz Majewski <[email protected]> Store idle_time information at newly created, per CPU struct lb_cpu_dbs_info_s Moreover new governor #define - GOV_LAB has been added
Signed-off-by: Lukasz Majewski <[email protected]> --- drivers/cpufreq/cpufreq_governor.c | 7 +++++++ drivers/cpufreq/cpufreq_governor.h | 15 +++++++++++++++ 2 files changed, 22 insertions(+) diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c index 443442d..ab34edf 100644 --- a/drivers/cpufreq/cpufreq_governor.c +++ b/drivers/cpufreq/cpufreq_governor.c @@ -143,6 +143,13 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu) idle_time += jiffies_to_usecs(cur_nice_jiffies); } + if (dbs_data->governor == GOV_LAB) { + struct lb_cpu_dbs_info_s *lb_dbs_info = + dbs_data->get_cpu_dbs_info_s(j); + + lb_dbs_info->idle_time = (100 * idle_time) / wall_time; + } + if (unlikely(!wall_time || wall_time < idle_time)) continue; diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h index 8ac3353..6bf7dcb 100644 --- a/drivers/cpufreq/cpufreq_governor.h +++ b/drivers/cpufreq/cpufreq_governor.h @@ -163,6 +163,20 @@ struct cs_cpu_dbs_info_s { unsigned int enable:1; }; +struct lb_cpu_dbs_info_s { + struct cpu_dbs_common_info cdbs; + u64 prev_cpu_iowait; + struct cpufreq_frequency_table *freq_table; + unsigned int freq_lo; + unsigned int freq_lo_jiffies; + unsigned int freq_hi_jiffies; + unsigned int rate_mult; + unsigned int sample_type:1; + + unsigned int last_sampling_rate; + unsigned int idle_time; +}; + /* Per policy Governers sysfs tunables */ struct od_dbs_tuners { unsigned int ignore_nice; @@ -189,6 +203,7 @@ 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 */ -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
