Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Add two UFS efficiency latency control cases #419

Merged
merged 2 commits into from
Nov 13, 2024
Merged

Add two UFS efficiency latency control cases #419

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
ee2782f
Add two UFS efficiency latency control cases
qwang59 Nov 5, 2024
4c505d0
Update tpmi_ufs.sh to remove $ for line 436,437,440,441
qwang59 Nov 13, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 4 additions & 0 deletions BM/ufs/tests
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,3 +13,7 @@ tpmi_ufs.sh -t check_ufs_min_equals_to_max
tpmi_ufs.sh -t check_ufs_max_equals_to_min
tpmi_ufs.sh -t check_ufs_current_dynamic
tpmi_ufs.sh -t check_per_pkg_min_max_change
# Below two cases verify the efficiency latency control
# with low threshhold, high threshold, elc floor frequency
tpmi_ufs.sh -t check_ufs_elc_low_threshold
tpmi_ufs.sh -t check_ufs_elc_high_threshold
174 changes: 172 additions & 2 deletions BM/ufs/tpmi_ufs.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ the initial_max_freq_khz."
test_print_trc "$per_die shows Uncore current freq $current_freq equals to \
the max test freq $init_max khz"
else
die "$per_die shows Ucore current freq $current_freq is beyond \
die "$per_die shows Uncore current freq $current_freq is beyond \
the max test freq $init_max khz"
fi
done
Expand Down Expand Up @@ -388,6 +388,170 @@ pkg_max_min_freq_change() {
done
}

# Function to run memory stress using stress tool
cpus_vm_stress() {
local mem_avail
local mem_test

# Run memory stress using stress tool
mem_avail=$(grep MemAvailable /proc/meminfo | awk -F " " '{print $2}')
mem_test=$(echo "$mem_avail"/1000000 | bc)
test_print_trc "Will run memory stress with $mem_test vm workers"
do_cmd "stress --vm $mem_test --vm-bytes 1024M -t 90 &"
STRESS_PID=$!
[ -n "$STRESS_PID" ] || block_test "Fail to run memory stress"
}

get_turbostat_log() {
local turbostat_log=""
columns="CPU,Busy%"
turbostat_log=$($PSTATE_TOOL/turbostat -q --show $columns -i 0.1 sleep 10 2>&1)
echo "$turbostat_log"
}

# ELC: Efficiency Latency Control
# Chang low threshold and verify the current freq equals to the floor freq
elc_low_threshold() {
local test_low_threshold=10

per_die_num=$(ls "$UFS_SYSFS_PATH" | grep -c uncore)
for ((i = 1; i <= per_die_num; i++)); do
per_die=$(ls "$UFS_SYSFS_PATH" | grep uncore | sed -n "$i,1p")

# Save the default elc_low_threshold_percent, elc_floor_freq_khz value
default_floor_freq=$(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)
test_print_trc "The default $per_die elc_floor_freq_khz is: $default_floor_freq"
[[ -n "$default_floor_freq" ]] || block_test "elc_floor_freq_khz is not available."
default_low_threshold=$(cat $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent)
[[ -n "$default_low_threshold" ]] || block_test "elc_low_threshold_percent is not available."

# Change the elc_low_threshold_percent to a lower percentage, e.g. 10
do_cmd "echo $test_low_threshold > $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent"
test_print_trc "Test elc_low_threshold_percent is: $test_low_threshold"
# Read the elc_low_threshold_percent, verify the value is changed
[[ "$test_low_threshold" -eq "$(cat $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent)" ]] ||
die "elc_low_threshold_percent is not set to $test_low_threshold"

# Change elc_floor_freq_khz to the int_elc_floor_freq_khz +100MHz freq
do_cmd "echo $((default_floor_freq + 100000)) > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
test_print_trc "Test elc_floor_freq_khz is: $((default_floor_freq + 100000))"
test_print_trc "Configured elc_floor_freq_khz is: $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)"
# Read the elc_floor_freq_khz, verify the value is changed
[[ "$(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)" -eq "$((default_floor_freq + 100000))" ]] ||
die "elc_floor_freq_khz is not set to $((default_floor_freq + 100000))"

# Keep SUT idle for 30 seconds, and read the turbostat Busy% column, make sure the Busy% is lower than 5
for ((k = 1; k <= 5; k++)); do

sleep 10
echo "sleep cycle $k---------"
cpu_stat=$(get_turbostat_log)
busy_percentage=$(echo "$cpu_stat" | grep -E "^-" -A 2 | sed -n "1, 1p" | awk '{print $2}' | awk -F "." '{print $1}')
test_print_trc "The Busy percentage is: $busy_percentage"

# Read UFS current freq value
current_freq=$(cat $UFS_SYSFS_PATH/$per_die/current_freq_khz)
test_print_trc "The $per_die current freq is: $current_freq"
done

if [ "$busy_percentage" -le "$test_low_threshold" ]; then
test_print_trc "The Busy percentage is lower than the elc_low_threshold_percent"
else
# Recover the default setting for elc_low_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_low_threshold > $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
block_test "Test $per_die: The Busy percentage is higher than the elc_low_threshold_percent"
fi

# Verify if the current freq is equal to the floor freq
if [[ "$current_freq" -ge $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz) ]]; then
test_print_trc "The $per_die current freq is equal to the elc_floor_freq_khz"
else
# Recover the default setting for elc_low_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_low_threshold > $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
die "$per_die: The current freq is not equal to the elc_floor_freq_khz"
fi

# Recover the default setting for elc_low_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_low_threshold > $UFS_SYSFS_PATH/$per_die/elc_low_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
done
}

# ELC: Efficiency Latency Control
# Change high threshold and verify the current freq is higher than the floor freq
elc_high_threshold() {
local test_high_threshold=90

per_die_num=$(ls "$UFS_SYSFS_PATH" | grep -c uncore)
for ((i = 1; i <= per_die_num; i++)); do
per_die=$(ls "$UFS_SYSFS_PATH" | grep uncore | sed -n "$i,1p")

# Save the default elc_high_threshold_percent, elc_floor_freq_khz value
default_floor_freq=$(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)
[[ -n "$default_floor_freq" ]] || block_test "elc_floor_freq_khz is not available."
default_high_threshold=$(cat $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent)
[[ -n "$default_high_threshold" ]] || block_test "elc_high_threshold_percent is not available."

# Change the elc_high_threshold_percent to a higher percentage, e.g. 90
do_cmd "echo $test_high_threshold > $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent"
test_print_trc "Test elc_high_threshold_percent is: $test_high_threshold"
# Read the elc_high_threshold_percent, verify the value is changed
[[ "$test_high_threshold" -eq $(cat $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent) ]] ||
die "elc_high_threshold_percent is not set to $test_high_threshold"

# Change elc_floor_freq_khz to the initial_max_freq_khz - 100000 freq
test_print_trc "Test elc_floor_freq_khz is: $(($(cat $UFS_SYSFS_PATH/$per_die/initial_max_freq_khz) - 100000 ))"
test_print_trc "Before elc_floor_freq_khz: $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)"
do_cmd "echo $(($(cat $UFS_SYSFS_PATH/$per_die/initial_max_freq_khz) - 100000)) > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
test_print_trc "Configured elc_floor_freq_khz: $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz)"
# Read the elc_floor_freq_khz, verify the value is changed
[[ "$(($(cat $UFS_SYSFS_PATH/$per_die/initial_max_freq_khz) - 100000 ))" -eq $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz) ]] ||
die "elc_floor_freq_khz is not set to $(($(cat $UFS_SYSFS_PATH/$per_die/initial_max_freq_khz) - 100000))"

# Keep memory stress for 30 seconds, and read the turbostat Busy% column, make sure the Busy% is higher than 99
cpus_vm_stress

cpu_stat=$(get_turbostat_log)
busy_percentage=$(echo "$cpu_stat" | grep -E "^-" -A 2 | sed -n "1, 1p" | awk '{print $2}' | awk -F "." '{print $1}')
test_print_trc "The turbostat log: cat $cpu_stat"
test_print_trc "The Busy percentage is: $busy_percentage"

# Read UFS current freq value
current_freq=$(cat $UFS_SYSFS_PATH/$per_die/current_freq_khz)
test_print_trc "The $per_die current freq is: $current_freq"

# Kill the memory stress thread
[ -n "$STRESS_PID" ] && do_cmd "pkill stress"

if [ "$busy_percentage" -gt "$test_high_threshold" ]; then
test_print_trc "The Busy percentage is higher than the elc_high_threshold_percent"
else
# Recover the default setting for elc_high_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_high_threshold > $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
block_test "Test $per_die: The Busy percentage is lower than the elc_high_threshold_percent"
fi

# Verify if the current freq is higher than the floor freq
current_freq=$(cat $UFS_SYSFS_PATH/$per_die/current_freq_khz)
test_print_trc "The $per_die current freq is: $current_freq"
if [[ "$current_freq" -ge $(cat $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz) ]]; then
test_print_trc "The $per_die current freq is higher than the elc_floor_freq_khz"
else
# Recover the default setting for elc_high_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_high_threshold > $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
die "$per_die: The current freq is not larger than the elc_floor_freq_khz"
fi

# Recover the default setting for elc_high_threshold_percent, elc_floor_freq_khz
do_cmd "echo $default_high_threshold > $UFS_SYSFS_PATH/$per_die/elc_high_threshold_percent"
do_cmd "echo $default_floor_freq > $UFS_SYSFS_PATH/$per_die/elc_floor_freq_khz"
done
}

tpmi_ufs_test() {
case $TEST_SCENARIO in
check_ufs_unbind_bind)
Expand All @@ -400,7 +564,7 @@ tpmi_ufs_test() {
ufs_sysfs_attr
;;
check_ufs_init_min_max_value)
ufs_init_min_max_value
ufs_init_min_max_value
;;
check_ufs_min_equals_to_max)
min_equals_to_max
Expand All @@ -414,6 +578,12 @@ tpmi_ufs_test() {
check_per_pkg_min_max_change)
pkg_max_min_freq_change
;;
check_ufs_elc_low_threshold)
elc_low_threshold
;;
check_ufs_elc_high_threshold)
elc_high_threshold
;;
esac
return 0
}
Expand Down
Loading