* [PATCH -next 0/2] Add setup/cleanup for run.sh
@ 2022-12-08 13:08 Zhao Gongyi
2022-12-08 13:08 ` [PATCH -next 1/2] selftests/intel_pstate: Add saving and restore of scaling_governor Zhao Gongyi
2022-12-08 13:08 ` [PATCH -next 2/2] selftests/intel_pstate: do cleanup at exit Zhao Gongyi
0 siblings, 2 replies; 3+ messages in thread
From: Zhao Gongyi @ 2022-12-08 13:08 UTC (permalink / raw
To: linux-kselftest, linux-kernel, shuah; +Cc: zhaogongyi
1. Add saving and restore of scaling_governor for cpus
2. Remove the tmp files before the test exit
Zhao Gongyi (2):
selftests/intel_pstate: Add saving and restore of scaling_governor
selftests/intel_pstate: do cleanup at exit
tools/testing/selftests/intel_pstate/run.sh | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--
2.17.1
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH -next 1/2] selftests/intel_pstate: Add saving and restore of scaling_governor
2022-12-08 13:08 [PATCH -next 0/2] Add setup/cleanup for run.sh Zhao Gongyi
@ 2022-12-08 13:08 ` Zhao Gongyi
2022-12-08 13:08 ` [PATCH -next 2/2] selftests/intel_pstate: do cleanup at exit Zhao Gongyi
1 sibling, 0 replies; 3+ messages in thread
From: Zhao Gongyi @ 2022-12-08 13:08 UTC (permalink / raw
To: linux-kselftest, linux-kernel, shuah; +Cc: zhaogongyi
Add saving and restore of scaling_governor for cpus, otherwise the
cpus will run in the policy of powersave, and it would reduce the
performance as unexpected.
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
---
tools/testing/selftests/intel_pstate/run.sh | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh
index e7008f614ad7..ee78c61cccb9 100755
--- a/tools/testing/selftests/intel_pstate/run.sh
+++ b/tools/testing/selftests/intel_pstate/run.sh
@@ -46,6 +46,12 @@ fi
max_cpus=$(($(nproc)-1))
+# Save the scaling_governor
+for i in `seq 0 $max_cpus`
+do
+ cat /sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor >> /tmp/governor
+done
+
function run_test () {
file_ext=$1
@@ -125,4 +131,14 @@ done
# print the table
pr -aTt -5 < /tmp/result.tab
+# restore the scaling_governor
+i=0
+while read line
+do
+ echo $line > /sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor
+ let i=$i+1
+done < /tmp/governor
+
+rm -f /tmp/governor
+
exit 0
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH -next 2/2] selftests/intel_pstate: do cleanup at exit
2022-12-08 13:08 [PATCH -next 0/2] Add setup/cleanup for run.sh Zhao Gongyi
2022-12-08 13:08 ` [PATCH -next 1/2] selftests/intel_pstate: Add saving and restore of scaling_governor Zhao Gongyi
@ 2022-12-08 13:08 ` Zhao Gongyi
1 sibling, 0 replies; 3+ messages in thread
From: Zhao Gongyi @ 2022-12-08 13:08 UTC (permalink / raw
To: linux-kselftest, linux-kernel, shuah; +Cc: zhaogongyi
Remove the tmp files before the test exit.
Signed-off-by: Zhao Gongyi <zhaogongyi@huawei.com>
---
tools/testing/selftests/intel_pstate/run.sh | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/intel_pstate/run.sh b/tools/testing/selftests/intel_pstate/run.sh
index ee78c61cccb9..3e187e54af16 100755
--- a/tools/testing/selftests/intel_pstate/run.sh
+++ b/tools/testing/selftests/intel_pstate/run.sh
@@ -140,5 +140,6 @@ do
done < /tmp/governor
rm -f /tmp/governor
+rm -f /tmp/result\.*
exit 0
--
2.17.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-12-08 13:11 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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