Commit 454561bf authored by Richael Zhuang's avatar Richael Zhuang Committed by Tomasz Zawadzki
Browse files

test/scheduler: add test of cppc_cpufreq 



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: default avatarRichael 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: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent 5e1e850b

test/scheduler/common.sh

+35 −0
Original line number Diff line number Diff line
@@ -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

test/scheduler/governor.sh

+11 −0
Original line number Diff line number Diff line
@@ -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