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cpufreq: schedutil: Expose default rate-limits as config options

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This allows us to tune the default rate-limits without constantly
changing schedutil's code.

Signed-off-by: Danny Lin <danny@kdrag0n.dev>
Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
This commit is contained in:
Danny Lin
2019-08-05 06:45:05 +00:00
committed by UtsavBalar1231
parent 363f5923d5
commit 8e639c1f3f
2 changed files with 20 additions and 2 deletions
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18
drivers/cpufreq/Kconfig
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@@ -230,6 +230,24 @@ config CPU_FREQ_GOV_SCHEDUTIL
If in doubt, say N.
if CPU_FREQ_GOV_SCHEDUTIL
config SCHEDUTIL_UP_RATE_LIMIT
int "Default up rate-limit for schedutil"
default 1000
help
This sets schedutil's default frequency up rate-limit in
microseconds.
config SCHEDUTIL_DOWN_RATE_LIMIT
int "Default down rate-limit for schedutil"
default 1000
help
This sets schedutil's default frequency down rate-limit in
microseconds.
endif
config CPU_FREQ_GOV_INTERACTIVE
tristate "'interactive' cpufreq policy governor"
depends on CPU_FREQ

4
kernel/sched/cpufreq_schedutil.c
View File

@@ -1048,9 +1048,9 @@ static int sugov_init(struct cpufreq_policy *policy)
}
tunables->up_rate_limit_us =
cpufreq_policy_transition_delay_us(policy);
CONFIG_SCHEDUTIL_UP_RATE_LIMIT;
tunables->down_rate_limit_us =
cpufreq_policy_transition_delay_us(policy);
CONFIG_SCHEDUTIL_DOWN_RATE_LIMIT;
tunables->hispeed_load = DEFAULT_HISPEED_LOAD;
tunables->hispeed_freq = 0;
tunables->iowait_boost_enable = false;