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metrics: fix timestamps generation from launch times test.

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Use `eval` to process the `date` command along with its parameters,
thus avoiding misinterpreting the parameters as commands.

Fixes: #9661

Signed-off-by: David Esparza <david.esparza.borquez@intel.com>
This commit is contained in:
David Esparza 2024-05-17 14:44:41 -06:00
parent bae377b42a
commit 938d3dc430
No known key found for this signature in database
GPG Key ID: EABE0B1A98CC3B7A
1 changed files with 11 additions and 11 deletions
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22
tests/metrics/time/launch_times.sh
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@ -63,7 +63,7 @@ declare -a to_quit_ds
# data_is_valid value 0 represent is valid
data_is_valid=0
check_entropy_level() {
function check_entropy_level() {
retries="10"
for i in $(seq 1 "${retries}"); do
if [ $(cat "/proc/sys/kernel/random/entropy_avail") -ge "${entropy_level}" ]; then
@ -77,7 +77,7 @@ check_entropy_level() {
}
# convert a 'seconds:nanoseconds' string into nanoseconds
sn_to_ns() {
function sn_to_ns() {
# !!: Remove 0's from beginning otherwise the number will be converted to octal
s=$(echo "${1%:*}" | sed 's/^0*//g')
ns=$(echo "${1##*:}" | sed 's/^0*//g')
@ -87,17 +87,17 @@ sn_to_ns() {
}
# convert 'nanoseconds' (since epoch) into a 'float' seconds
ns_to_s() {
function ns_to_s() {
printf "%.0${CALC_SCALE}f" $(bc <<< "scale=$CALC_SCALE; $1 / 1000000000")
}
run_workload() {
function run_workload() {
# L_CALC_SCALE is set to accounting a significant
# number of decimal digits after the decimal points
# for 'bc' performing math in kernel period estimation
L_CALC_SCALE=13
local CONTAINER_NAME="kata_launch_times_$(( $RANDOM % 1000 + 1))"
start_time=$("${DATECMD}")
start_time=$(eval "${DATECMD}")
# Check entropy level of the host
check_entropy_level
@ -105,7 +105,7 @@ run_workload() {
# Run the image and command and capture the results into an array...
declare workload_result
readarray -n 0 workload_result < <(sudo -E "${CTR_EXE}" run --rm --runtime "${CTR_RUNTIME}" "${IMAGE}" "${CONTAINER_NAME}" bash -c "${DATECMD} ${DMESGCMD}")
end_time=$("${DATECMD}")
end_time=$(eval "${DATECMD}")
# Delay this calculation until after we have run - do not want
# to measure it in the results
@ -192,7 +192,7 @@ run_workload() {
# Writes a JSON with the measurements
# results per execution
write_individual_results() {
function write_individual_results() {
for i in "${!total_result_ds[@]}"; do
local json="$(cat << EOF
{
@ -223,7 +223,7 @@ EOF
done
}
init () {
function init() {
TEST_ARGS="image=${IMAGE} runtime=${CTR_RUNTIME} units=seconds"
# We set the generic name here, but we save the different time results separately,
@ -233,7 +233,7 @@ init () {
# If we are scaling, note that in the name
[ -n "$SCALING" ] && TEST_NAME="${TEST_NAME} scaling"
echo "Executing test: ${TEST_NAME} ${TEST_ARGS}"
info "Executing test: ${TEST_NAME} ${TEST_ARGS}"
check_cmds "${REQUIRED_CMDS[@]}"
# For non-VM runtimes, we don't use the output of dmesg, and
@ -450,7 +450,7 @@ main() {
while [ "${j}" -lt "${TIMES}" ]; do
echo " run ${num_iters}"
info " run ${num_iters}"
run_workload
if [ "${data_is_valid}" -eq 0 ]; then
@ -460,7 +460,7 @@ main() {
continue
fi
echo "Skipping run due to invalid result"
info "Skipping run due to invalid result"
((max_reps-=1))
if [ "${max_reps}" -lt 0 ]; then