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kselftest: cpufreq: Add RTC wakeup alarm

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Add RTC wakeup alarm for devices to resume after specific time interval.
This improvement in the test will help in enabling this test
in the CI systems and will eliminate the need of manual intervention
for resuming back the devices after suspend/hibernation.

Signed-off-by: Shreeya Patel <shreeya.patel@collabora.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Shreeya Patel 2024-07-16 00:56:34 +05:30 committed by Shuah Khan
parent 37ee7d1995
commit 0b631ed3ce
2 changed files with 27 additions and 1 deletions
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15
tools/testing/selftests/cpufreq/cpufreq.sh
View File

@ -231,6 +231,21 @@ do_suspend()
for i in `seq 1 $2`; do
printf "Starting $1\n"
if [ "$3" = "rtc" ]; then
if ! command -v rtcwake &> /dev/null; then
printf "rtcwake could not be found, please install it.\n"
return 1
fi
rtcwake -m $filename -s 15
if [ $? -ne 0 ]; then
printf "Failed to suspend using RTC wake alarm\n"
return 1
fi
fi
echo $filename > $SYSFS/power/state
printf "Came out of $1\n"

13
tools/testing/selftests/cpufreq/main.sh
View File

@ -24,6 +24,8 @@ helpme()
[-t <basic: Basic cpufreq testing
suspend: suspend/resume,
hibernate: hibernate/resume,
suspend_rtc: suspend/resume back using the RTC wakeup alarm,
hibernate_rtc: hibernate/resume back using the RTC wakeup alarm,
modtest: test driver or governor modules. Only to be used with -d or -g options,
sptest1: Simple governor switch to produce lockdep.
sptest2: Concurrent governor switch to produce lockdep.
@ -76,7 +78,8 @@ parse_arguments()
helpme
;;
t) # --func_type (Function to perform: basic, suspend, hibernate, modtest, sptest1/2/3/4 (default: basic))
t) # --func_type (Function to perform: basic, suspend, hibernate,
# suspend_rtc, hibernate_rtc, modtest, sptest1/2/3/4 (default: basic))
FUNC=$OPTARG
;;
@ -121,6 +124,14 @@ do_test()
do_suspend "hibernate" 1
;;
"suspend_rtc")
do_suspend "suspend" 1 rtc
;;
"hibernate_rtc")
do_suspend "hibernate" 1 rtc
;;
"modtest")
# Do we have modules in place?
if [ -z $DRIVER_MOD ] && [ -z $GOVERNOR_MOD ]; then