first_cores=""
taskset_cores=""
first_cores_count=0
-nb_threads=4 #default from the benchmark
+nb_threads=1
drives=""
# Default options
done
}
-
detect_first_core() {
+ cpu_to_search="0"
+ if [ "${#drives[@]}" -eq 1 ]; then
+ device_name=$(block_dev_name ${drives[0]})
+ device_dir="/sys/block/${device_name}/device/"
+ pci_addr=$(cat ${device_dir}/address)
+ pci_dir="/sys/bus/pci/devices/${pci_addr}/"
+ cpu_to_search=$(cat ${pci_dir}/local_cpulist | cut -d"," -f 1 | cut -d"-" -f 1)
+ else
+ hint 'Passed multiple devices. Running on the first core.'
+ fi
+ core_to_run=$(lscpu --all -pSOCKET,CORE,CPU | grep ",$cpu_to_search\$" | cut -d"," -f1-2)
+
# Detect which logical cpus belongs to the first physical core
# If Hyperthreading is enabled, two cores are returned
- cpus=$(lscpu --all -pSOCKET,CORE,CPU |grep "0,0")
+ cpus=$(lscpu --all -pSOCKET,CORE,CPU | grep "$core_to_run")
for cpu in ${cpus}; do
IFS=','
# shellcheck disable=SC2206
}
show_nvme() {
+ device="$1"
device_name=$(block_dev_name $1)
device_dir="/sys/block/${device_name}/device/"
pci_addr=$(cat ${device_dir}/address)
pci_dir="/sys/bus/pci/devices/${pci_addr}/"
link_speed=$(cat ${pci_dir}/current_link_speed)
irq=$(cat ${pci_dir}/irq)
- numa=$(cat ${pci_dir}/numa_node)
+ numa=$([ -f ${pci_dir}/numa_node ] && cat ${pci_dir}/numa_node || echo "off")
cpus=$(cat ${pci_dir}/local_cpulist)
model=$(cat ${device_dir}/model | xargs) #xargs for trimming spaces
fw=$(cat ${device_dir}/firmware_rev | xargs) #xargs for trimming spaces
serial=$(cat ${device_dir}/serial | xargs) #xargs for trimming spaces
info ${device_name} "MODEL=${model} FW=${fw} serial=${serial} PCI=${pci_addr}@${link_speed} IRQ=${irq} NUMA=${numa} CPUS=${cpus} "
+ which nvme &> /dev/null
+ if [ $? -eq 0 ]; then
+ NCQA=$(nvme get-feature -H -f 0x7 ${device} |grep NCQA |cut -d ':' -f 2 | xargs)
+ NSQA=$(nvme get-feature -H -f 0x7 ${device} |grep NSQA |cut -d ':' -f 2 | xargs)
+ power_state=$(nvme get-feature -H -f 0x2 ${device} | grep PS |cut -d ":" -f 2 | xargs)
+ apste=$(nvme get-feature -H -f 0xc ${device} | grep APSTE |cut -d ":" -f 2 | xargs)
+ temp=$(nvme smart-log ${device} |grep 'temperature' |cut -d ':' -f 2 |xargs)
+ info ${device_name} "Temp:${temp}, Autonomous Power State Transition:${apste}, PowerState:${power_state}, Completion Queues:${NCQA}, Submission Queues:${NSQA}"
+ fi
}
show_device() {
info "system" "CPU: ${CPU_MODEL}"
info "system" "MEMORY: ${MEMORY_SPEED}"
info "system" "KERNEL: ${KERNEL}"
- for config_item in BLK_CGROUP_IOCOST HZ; do
+ for config_item in BLK_CGROUP HZ; do
info "system" "KERNEL: $(show_kernel_config_item ${config_item})"
done
tsc=$(journalctl -k | grep 'tsc: Refined TSC clocksource calibration:' | awk '{print $11}')