File add-rate_limit_us.patch of Package pm-profiler

Add "rate_limit_us" tuning, available for "schedutil" governor.


--- pm-profiler-0.1_20111222/tools/enable-profile.orig	2020-11-01 11:14:28.655547907 +0100
+++ pm-profiler-0.1_20111222/tools/enable-profile	2020-11-01 12:08:36.015979333 +0100
@@ -112,6 +112,10 @@ function cpufreq_ondemand_powersave_bias
     fi
 }
 
+function cpufreq_schedutil_rate_limit_us {
+    echo $CPUFREQ_SCHEDUTIL_RATE_LIMIT_US >/sys/devices/system/cpu/cpufreq/schedutil/rate_limit_us;
+}
+
 function sata_alpm {
     for I in /sys/class/scsi_host/host*/link_power_management_policy; do
 	[ -e $I ] && echo $SATA_ALPM > $I
@@ -159,6 +163,7 @@ esac
 [ -n "$CPUFREQ_SAMPLING_RATE" ] && cpufreq_sampling_rate
 [ -n "$CPUFREQ_SAMPLING_DOWN_FACTOR" ] && cpufreq_sampling_down_factor
 [ -n "$CPUFREQ_ONDEMAND_POWERSAVE_BIAS" ] && cpufreq_ondemand_powersave_bias
+[ -n "$CPUFREQ_SCHEDUTIL_RATE_LIMIT_US" ] && cpufreq_schedutil_rate_limit_us
 [ -n "$SATA_ALPM" ] && sata_alpm
 [ -n "$EXTERNAL_HOOK" ] && external_hook
 [ -n "$DIRTY_WRITEBACK_CENTISECS" ] && dirty_writeback_centisecs
--- pm-profiler-0.1_20111222/tools/get-current-settings.orig	2020-11-01 11:14:28.655547907 +0100
+++ pm-profiler-0.1_20111222/tools/get-current-settings	2020-11-01 12:10:14.158296991 +0100
@@ -96,6 +96,12 @@ function get_cpufreq_ondemand_powersave_
     echo $Option"="$Value
 }
 
+function get_cpufreq_schedutil_rate_limit_us {
+    Option="CPUFREQ_SCHEDUTIL_RATE_LIMIT_US"
+    Value=`cat /sys/devices/system/cpu/cpufreq/$Governor/rate_limit_us`
+    echo $Option"="$Value
+}
+
 function get_sata_alpm {
     Option="SATA_ALPM"
     Value=
@@ -150,6 +156,9 @@ if [ -d /sys/devices/system/cpu/cpu0/cpu
         get_cpufreq_up_threshold
         get_cpufreq_sampling_down_factor
         ;;
+      schedutil)
+        get_cpufreq_schedutil_rate_limit_us
+        ;;
     esac
     exit 0
 else
--- pm-profiler-0.1_20111222/doc/config.template.orig	2020-11-01 11:25:47.679457995 +0100
+++ pm-profiler-0.1_20111222/doc/config.template	2020-11-01 12:04:07.793643748 +0100
@@ -70,6 +70,13 @@ CPUFREQ_ONDEMAND_POWERSAVE_BIAS=""
 CPUFREQ_ONDEMAND_SAMPLING_DOWN_FACTOR=""
 CPUFREQ_CONSERVATIVE_SAMPLING_DOWN_FACTOR=""
 
+# Sampling rate for reevaluating the load again. Value in microseconds.
+# Default is 1000 times the scaling driver's transition latency.
+#
+# File: /sys/devices/system/cpu/cpufreq/schedutil/rate_limit_us
+#
+CPUFREQ_SCHEDUTIL_RATE_LIMIT_US=""
+
 # Set whether to enable or disable the SATA Aggressive Link Power Management
 # Reference: https://web.archive.org/web/20130403123710/www.lesswatts.org/tips/disks.php
 # Attention: This will disable hotplug capabilities