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BM/pstate: Fix balance_performance EPP check on EMR #593

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Merged
hongyuni merged 2 commits into from
Sep 9, 2026
Merged

BM/pstate: Fix balance_performance EPP check on EMR #593

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BM/pstate: Fix balance_performance EPP check on EMR
abcd1234-yeah Aug 27, 2026
4fa282f
BM/pstate: Resolve pre-existing shellcheck issues in intel_pstate_tes…
abcd1234-yeah Sep 8, 2026
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13 changes: 8 additions & 5 deletions BM/pstate/intel_pstate_tests.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -22,8 +22,10 @@ CPU_CPUFREQ_ATTR="affected_cpus cpuinfo_max_freq cpuinfo_min_freq
scaling_min_freq scaling_setspeed"
DEFAULT_SCALING_GOV=$(cat $CPU_SYSFS_PATH/cpu0/cpufreq/scaling_governor)

readonly no_turbo_value=$(cat "$CPU_NO_TURBO_NODE")
readonly pstate_status_value=$(cat "$CPU_PSTATE_SYSFS_PATH/status")
no_turbo_value=$(cat "$CPU_NO_TURBO_NODE")
readonly no_turbo_value
pstate_status_value=$(cat "$CPU_PSTATE_SYSFS_PATH/status")
readonly pstate_status_value

# rdmsr tool is required to run pstate cases
if which rdmsr 1>/dev/null 2>&1; then
Expand Down Expand Up @@ -65,7 +67,7 @@ pstate_teardown() {
local online_cpu=""

online_cpu=$(ls /sys/devices/system/cpu/cpu*/online | wc -l)
online_cpu=$(($online_cpu+1))
online_cpu=$((online_cpu+1))
test_print_trc "Total CPUs from /sys/devices/: $online_cpu"

# Hot plug all logic CPUs except cpu0
Expand Down Expand Up @@ -832,9 +834,9 @@ check_epp_req() {
performance)
epp_req=0
;;
# SPR will use 32 for balance_performance EPP value
# SPR and EMR will use 32 for balance_performance EPP value
balance_performance)
if [ "$cpu_model" == 143 ]; then
if [ "$cpu_model" == 143 ] || [ "$cpu_model" == 207 ]; then
epp_req=32
else
epp_req=128
Expand Down Expand Up @@ -1129,5 +1131,6 @@ intel_pstate_test() {
}

intel_pstate_test
# shellcheck disable=SC2034 # consumed by exec_teardown from test framework
teardown_handler="pstate_teardown"
exec_teardown
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