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|
#!/bin/bash
echo "Intel(r) Performance Counter Monitor"
echo "Birch Stream Power Mode Utility"
echo ""
echo " Options:"
echo " --default : set default power mode"
echo " --latency-optimized-mode : set latency optimized mode"
echo
# Run the pcm-tpmi command to determine I/O and compute dies
output=$(pcm-tpmi 2 0x10 -d -b 26:26)
# Parse the output to build lists of I/O and compute dies
io_dies=()
compute_dies=()
declare -A die_types
while read -r line; do
if [[ $line == *"instance 0"* ]]; then
die=$(echo "$line" | grep -oP 'entry \K[0-9]+')
if [[ $line == *"value 1"* ]]; then
die_types[$die]="IO"
io_dies+=("$die")
elif [[ $line == *"value 0"* ]]; then
die_types[$die]="Compute"
compute_dies+=("$die")
fi
fi
done <<< "$output"
if [ "$1" == "--default" ]; then
echo "Setting default mode..."
for die in "${io_dies[@]}"; do
# EFFICIENCY_LATENCY_CTRL_RATIO (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 28:22 -w 8
#EFFICIENCY_LATENCY_CTRL_LOW_THRESHOLD (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 38:32 -w 13
#EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD(Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 46:40 -w 120
#EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD_ENABLE (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 39:39 -w 1
done
for die in "${compute_dies[@]}"; do
# EFFICIENCY_LATENCY_CTRL_RATIO (Uncore Compute)
pcm-tpmi 2 0x18 -d -e $die -b 28:22 -w 12
done
fi
if [ "$1" == "--latency-optimized-mode" ]; then
echo "Setting latency optimized mode..."
for die in "${io_dies[@]}"; do
# EFFICIENCY_LATENCY_CTRL_RATIO (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 28:22 -w 0
#EFFICIENCY_LATENCY_CTRL_LOW_THRESHOLD (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 38:32 -w 0
#EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD(Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 46:40 -w 0
#EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD_ENABLE (Uncore IO)
pcm-tpmi 2 0x18 -d -e $die -b 39:39 -w 1
done
for die in "${compute_dies[@]}"; do
# EFFICIENCY_LATENCY_CTRL_RATIO (Uncore Compute)
pcm-tpmi 2 0x18 -d -e $die -b 28:22 -w 0
done
fi
echo "Dumping TPMI Power control register states..."
echo ""
# Function to extract and calculate metrics from the value
extract_and_print_metrics() {
local value=$1
local socket_id=$2
local die=$3
local die_type=${die_types[$die]}
# Extract bits and calculate metrics
local min_ratio=$(( (value >> 15) & 0x7F ))
local max_ratio=$(( (value >> 8) & 0x7F ))
local eff_latency_ctrl_ratio=$(( (value >> 22) & 0x7F ))
local eff_latency_ctrl_low_threshold=$(( (value >> 32) & 0x7F ))
local eff_latency_ctrl_high_threshold=$(( (value >> 40) & 0x7F ))
local eff_latency_ctrl_high_threshold_enable=$(( (value >> 39) & 0x1 ))
# Convert to MHz or percentage
min_ratio=$(( min_ratio * 100 ))
max_ratio=$(( max_ratio * 100 ))
eff_latency_ctrl_ratio=$(( eff_latency_ctrl_ratio * 100 ))
eff_latency_ctrl_low_threshold=$(( (eff_latency_ctrl_low_threshold * 100) / 127 ))
eff_latency_ctrl_high_threshold=$(( (eff_latency_ctrl_high_threshold * 100) / 127 ))
# Print metrics
echo "Socket ID: $socket_id, Die: $die, Type: $die_type"
echo "MIN_RATIO: $min_ratio MHz"
echo "MAX_RATIO: $max_ratio MHz"
echo "EFFICIENCY_LATENCY_CTRL_RATIO: $eff_latency_ctrl_ratio MHz"
if [ $die_type == "IO" ] ; then
echo "EFFICIENCY_LATENCY_CTRL_LOW_THRESHOLD: $eff_latency_ctrl_low_threshold%"
echo "EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD: $eff_latency_ctrl_high_threshold%"
echo "EFFICIENCY_LATENCY_CTRL_HIGH_THRESHOLD_ENABLE: $eff_latency_ctrl_high_threshold_enable"
fi
echo
}
# Iterate over all dies and run pcm-tpmi for each to get the metrics
for die in "${!die_types[@]}"; do
output=$(pcm-tpmi 2 0x18 -d -e "$die")
# Parse the output and extract metrics for each socket
while read -r line; do
if [[ $line == *"Read value"* ]]; then
value=$(echo "$line" | grep -oP 'value \K[0-9]+')
socket_id=$(echo "$line" | grep -oP 'instance \K[0-9]+')
extract_and_print_metrics "$value" "$socket_id" "$die"
fi
done <<< "$output"
done
|
