cpufreq: switch to usage of shutils functions
This patch convert some functions to the usage of shutils provided calls.
This approach is more portable and allows to use these calls also on
an Android target.
Signed-off-by: Patrick Bellasi <patrick.bellasi@arm.com>
diff --git a/devlib/bin/scripts/shutils.in b/devlib/bin/scripts/shutils.in
index 33bb0e1..1ae9a4f 100755
--- a/devlib/bin/scripts/shutils.in
+++ b/devlib/bin/scripts/shutils.in
@@ -7,12 +7,46 @@
GREP=${GREP:-$BUSYBOX grep}
SED=${SED:-$BUSYBOX sed}
+################################################################################
+# CPUFrequency Utility Functions
+################################################################################
+
+cpufreq_set_all_frequencies() {
+ FREQ=$1
+ for CPU in /sys/devices/system/cpu/cpu[0-9]*; do
+ echo $FREQ > $CPU/cpufreq/scaling_cur_freq
+ done
+}
+
+cpufreq_set_all_governors() {
+ GOV=$1
+ for CPU in /sys/devices/system/cpu/cpu[0-9]*; do
+ echo $GOV > $CPU/cpufreq/scaling_governor
+ done
+}
+
+cpufreq_trace_all_frequencies() {
+ FREQS=$(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq)
+ CPU=0; for F in $FREQS; do
+ echo "cpu_frequency: state=$F cpu_id=$CPU" > /sys/kernel/debug/tracing/trace_marker
+ CPU=$((CPU + 1))
+ done
+}
################################################################################
# Main Function Dispatcher
################################################################################
case $CMD in
+cpufreq_set_all_frequencies)
+ cpufreq_set_all_frequencies $*
+ ;;
+cpufreq_set_all_governors)
+ cpufreq_set_all_governors $*
+ ;;
+cpufreq_trace_all_frequencies)
+ cpufreq_trace_all_frequencies $*
+ ;;
*)
echo "Command [$CMD] not supported"
exit -1