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test/scheduler: Wait for a bit for the governor to change the freq

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Issues like https://github.com/spdk/spdk/issues/1784 showed that
governor may need some more time to properly adjust cpufreq's sysfs
knobs. In case we see that frequency setting hasn't changed after
given iteration, wait for 0.5s to make sure it finally settles.

Signed-off-by: Michal Berger <michalx.berger@intel.com>
Change-Id: Ibf25d0d1962bf2b07b13d60d6096c5cc185c1279
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6283
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Community-CI: Mellanox Build Bot
This commit is contained in:
Michal Berger 2021-02-05 11:42:52 +01:00 committed by Tomasz Zawadzki
parent ccbdd1750f
commit 92e49c0044
1 changed files with 2 additions and 1 deletions
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3
test/scheduler/governor.sh
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@ -86,7 +86,8 @@ verify_dpdk_governor() {
elif ((main_core_setspeed < old_main_core_setspeed)); then
dir=0
elif ((main_core_setspeed == old_main_core_setspeed)); then
# Frequency didn't change, skip
# Frequency didn't change, skip and wait for a bit
sleep 0.5s
continue
fi