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test/scheduler: add test of cppc_cpufreq

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current test only include intel acpi-cpufreq and pstate. Add test
of cppc_cpufreq which works on most arm platforms.

Change-Id: I5b34c15be7992e5a521d6acf7b5c30a0c4baaf9a
Signed-off-by: Richael Zhuang <richael.zhuang@arm.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9404
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Richael Zhuang 2021-09-06 10:33:42 +08:00 committed by Tomasz Zawadzki
parent 5e1e850bdc
commit 454561bf89
2 changed files with 46 additions and 0 deletions
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35
test/scheduler/common.sh
View File

@ -291,6 +291,41 @@ map_cpufreq() {
fi
done
;;
cppc_cpufreq)
cpufreq_setspeed[cpu_idx]=$(< "$cpu/cpufreq/scaling_setspeed")
scaling_min_freqs[cpu_idx]=$(< "$cpu/cpufreq/scaling_min_freq")
scaling_max_freqs[cpu_idx]=$(< "$cpu/cpufreq/scaling_max_freq")
cpuinfo_max_freqs[cpu_idx]=$(< "$cpu/cpufreq/cpuinfo_max_freq")
nominal_perf[cpu_idx]=$(< "$cpu/acpi_cppc/nominal_perf")
highest_perf[cpu_idx]=$(< "$cpu/acpi_cppc/highest_perf")
#the unit of highest_perf and nominal_perf differs on different arm platforms.
#For highest_perf, it maybe 300 or 3000000, both means 3.0GHz.
if ((highest_perf[cpu_idx] > nominal_perf[cpu_idx] && (\
highest_perf[cpu_idx] == cpuinfo_max_freqs[cpu_idx] || \
highest_perf[cpu_idx] * 10000 == cpuinfo_max_freqs[cpu_idx]))); then
cpufreq_is_turbo[cpu_idx]=1
else
cpufreq_is_turbo[cpu_idx]=0
fi
if ((nominal_perf[cpu_idx] < 10000)); then
nominal_perf[cpu_idx]=$((nominal_perf[cpu_idx] * 10000))
fi
num_freqs=$(((nominal_perf[cpu_idx] - scaling_min_freqs[cpu_idx]) / 100000 + 1 + \
cpufreq_is_turbo[cpu_idx]))
available_freqs=()
for ((freq = 0; freq < num_freqs; freq++)); do
if ((freq == 0 && cpufreq_is_turbo[cpu_idx] == 1)); then
available_freqs[freq]=$((scaling_max_freqs[cpu_idx]))
else
available_freqs[freq]=$((nominal_perf[cpu_idx] - (\
freq - cpufreq_is_turbo[cpu_idx]) * 100000))
fi
done
;;
esac
done
if [[ -e $sysfs_cpu/cpufreq/boost ]]; then

11
test/scheduler/governor.sh
View File

@ -38,6 +38,7 @@ update_main_core_cpufreq() {
case "$main_core_driver" in
acpi-cpufreq) main_core_setspeed=${cpufreq_setspeed[spdk_main_core]} ;;
intel_pstate | intel_cpufreq) main_core_setspeed=$main_core_set_max_freq ;;
cppc_cpufreq) main_core_setspeed=${cpufreq_setspeed[spdk_main_core]} ;;
esac
}
@ -56,6 +57,10 @@ verify_dpdk_governor() {
# - governor set to performance
# - lowering max_freq and min_freq for the main core
# - having max_freq and min_freq at lowest supported frequency
# - cppc_cpufreq:
# - governor set to userspace
# - lowering setspeed for the main core
# - having setspeed at lowest supported frequency
local -g cpus
@ -105,6 +110,12 @@ verify_dpdk_governor() {
&& ((main_core_set_max_freq == main_core_set_min_freq)) \
&& ((dir == 0))
;;
cppc_cpufreq)
[[ $main_core_governor == userspace ]] \
&& [[ -n ${main_core_freqs_map[main_core_setspeed]} ]] \
&& ((main_core_setspeed == main_core_freqs[-1])) \
&& ((dir == 0))
;;
esac && all_set=1
# Print stats after first sane sample was taken