# Functions called:
# - die - Print to stderr and exit, defined in common.sh
# - archive_test_results - Archiving results.
- # - parse_bmrr_results - See definition in this file.
+ # - parse_results - See definition in this file.
set -exuo pipefail
archive_test_results "$1" || die
- parse_bmrr_results "${TARGET}" || {
+ parse_results "${TARGET}" || {
die "The function should have died on error."
}
}
# of parent build.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
- # - parse_bmrr_results - See definition in this file.
# Exit code:
# - 0 - If the comparison utility sees no regression (nor data error).
# - 1 - If the comparison utility sees a regression (or data error).
}
-function parse_bmrr_results () {
+function parse_results () {
- # Currently "parsing" is just two greps.
- # TODO: Re-use PAL parsing code, make parsing more general and centralized.
+ # Currently "parsing" is just few greps on output.xml.
+ # TODO: Parse json outputs properly.
+ #
+ # The current implementation attempts to parse for BMRR, PDR and passrate.
+ # If failures are present, they are reported as fake throughput values,
+ # enabling bisection to focus on the cause (or the fix) of the failures.
+ #
+ # The fake values are created with MRR multiplicity,
+ # otherwise jumpavg (which dislikes short groups) could misclassify them.
#
# Arguments:
# - ${1} - Path to (existing) directory holding robot output.xml result.
# - output.xml - From argument location.
# Files updated:
# - results.txt - (Re)created, in argument location.
+ # Variables read:
+ # - CSIT_PERF_TRIAL_MULTIPLICITY - To create fake results of this length.
# Functions called:
# - die - Print to stderr and exit, defined in common.sh
+ # - parse_results_mrr - See definition in this file.
+ # - parse_results_ndrpdr - See definition in this file.
+ # - parse_results_passrate - See definition in this file.
+ # - parse_results_soak - See definition in this file.
set -exuo pipefail
rel_dir="$(readlink -e "${1}")" || die "Readlink failed."
- in_file="${rel_dir}/output.xml"
- out_file="${rel_dir}/results.txt"
- # TODO: Do we need to check echo exit code explicitly?
- echo "Parsing ${in_file} putting results into ${out_file}"
- echo "TODO: Re-use parts of PAL when they support subsample test parsing."
- pattern='Maximum Receive Rate trial results in .*'
- pattern+=' per second: .*\]</status>'
- grep -o "${pattern}" "${in_file}" | grep -o '\[.*\]' > "${out_file}" || {
- die "Some parsing grep command has failed."
- }
+ in_file="${rel_dir}/output.xml" || die
+ out_file="${rel_dir}/results.txt" || die
+ echo "Parsing ${in_file} putting results into ${out_file}" || die
+ # Frst attempt: (B)MRR.
+ if parse_results_mrr "${in_file}" "${out_file}"; then
+ return 0
+ fi
+ # BMRR parsing failed. Attempt PDR/NDR.
+ if parse_results_ndrpdr "${in_file}" "${out_file}"; then
+ return 0
+ fi
+ # PDR/NDR parsing failed. Attempt soak.
+ if parse_results_soak "${in_file}" "${out_file}"; then
+ return 0
+ fi
+ # Soak parsing failed.
+ # Probably not a perf test at all (or a failed one),
+ # but we can still bisect by passrate.
+ parse_results_passrate "${in_file}" "${out_file}" || die
+}
+
+
+function parse_results_mrr () {
+
+ # Parse MRR test message(s) into JSON-readable output.
+ #
+ # Return non-zero if parsing fails.
+ #
+ # Arguments:
+ # - ${1} - Path to (existing) input file. Required.
+ # - ${2} - Path to (overwritten if exists) output file. Required.
+ # Files read:
+ # - output.xml - The input file from argument location.
+ # Files updated:
+ # - results.txt - (Re)created, in argument location.
+ # Functions called:
+ # - die - Print to stderr and exit, defined in common.sh
+
+ set -exuo pipefail
+
+ in_file="${1}" || die "Two arguments needed."
+ out_file="${2}" || die "Two arguments needed."
+ pattern='Maximum Receive Rate trial results in .*' || die
+ pattern+=' per second: .*\]</status>' || die
+ # RC of the following line is returned.
+ grep -o "${pattern}" "${in_file}" | grep -o '\[.*\]' > "${out_file}"
+}
+
+
+function parse_results_ndrpdr () {
+
+ # Parse NDRPDR test message(s) for PDR_LOWER, into JSON-readable output.
+ #
+ # Return non-zero if parsing fails.
+ # Parse for PDR, unless environment variable says NDR.
+ #
+ # Arguments:
+ # - ${1} - Path to (existing) input file. Required.
+ # - ${2} - Path to (overwritten if exists) output file. Required.
+ # Variables read:
+ # - FDIO_CSIT_PERF_PARSE_NDR - If defined and "yes", parse for NDR, not PDR.
+ # Files read:
+ # - output.xml - The input file from argument location.
+ # Files updated:
+ # - results.txt - (Re)created, in argument location.
+ # Functions called:
+ # - die - Print to stderr and exit, defined in common.sh
+
+ set -exuo pipefail
+
+ in_file="${1}" || die "Two arguments needed."
+ out_file="${2}" || die "Two arguments needed."
+ if [[ "${FDIO_CSIT_PERF_PARSE_NDR:-no}" == "yes" ]]; then
+ pattern1="Arguments: [ '\\nNDR_LOWER: " || die
+ else
+ pattern1="Arguments: [ '\\nPDR_LOWER: " || die
+ fi
+ # Adapted from https://superuser.com/a/377084
+ pattern2='(?<=R: ).*(?= pps)' || die
+ if fgrep "${pattern1}" "${in_file}" | grep -Po "${pattern2}" >> "${out_file}"
+ then
+ # Add bracket https://www.shellhacks.com/sed-awk-add-end-beginning-line/
+ sed -i 's/.*/[&]/' "${out_file}"
+ # Returns nonzero if fails.
+ return "$?"
+ fi
+ # Maybe it was CPS instead of pps?
+ pattern2='(?<=R: ).*(?= CPS)' || die
+ if fgrep "${pattern1}" "${in_file}" | grep -Po "${pattern2}" >> "${out_file}"
+ then
+ # Add bracket https://www.shellhacks.com/sed-awk-add-end-beginning-line/
+ sed -i 's/.*/[&]/' "${out_file}"
+ # Returns nonzero if fails.
+ return "$?"
+ else
+ return 1
+ fi
+}
+
+
+function parse_results_passrate () {
+
+ # Create fake values for failed tests.
+ #
+ # This function always passes (or dies).
+ #
+ # A non-zero but small value is chosen for failed run, to distinguish from
+ # real nonzero perf (which are big in general) and real zero values.
+ # A medium sized value is chosen for a passed run.
+ # This way bisect can search for breakages and fixes in device tests.
+ # At least in theory, as device tests are bootstrapped too differently.
+ #
+ # The fake value is repeated according to BMRR multiplicity,
+ # because a single value can be lost in high stdev data.
+ # (And it does not hurt for single value outputs such as NDR.)
+ #
+ # TODO: Count number of tests and generate fake results for every one.
+ # Currently that would interfere with test retry logic.
+ #
+ # Arguments:
+ # - ${1} - Path to (existing) input file. Required.
+ # - ${2} - Path to (overwritten if exists) output file. Required.
+ # Variables read:
+ # - CSIT_PERF_TRIAL_MULTIPLICITY - To create fake results of this length.
+ # Files read:
+ # - output.xml - The input file from argument location.
+ # Files updated:
+ # - results.txt - (Re)created, in argument location.
+ # Functions called:
+ # - die - Print to stderr and exit, defined in common.sh
+
+ set -exuo pipefail
+
+ in_file="${1}" || die "Two arguments needed."
+ out_file="${2}" || die "Two arguments needed."
+ # The last status is the top level (global) robot status.
+ # It only passes if there were no (critical) test failures.
+ if fgrep '<status status=' "${out_file}" | tail -n 1 | fgrep '"PASS"'; then
+ fake_value="30.0" || die
+ else
+ fake_value="2.0" || die
+ fi
+ out_arr=("[") || die
+ for i in `seq "${CSIT_PERF_TRIAL_MULTIPLICITY:-1}"`; do
+ out_arr+=("${fake_value}" ",") || die
+ done
+ # The Python part uses JSON parser, the last comma has to be removed.
+ # Requires Bash 4.3 https://stackoverflow.com/a/36978740
+ out_arr[-1]="]" || die
+ # TODO: Is it possible to avoid space separation by manipulating IFS?
+ echo "${out_arr[@]}" > "${out_file}" || die
+}
+
+
+function parse_results_soak () {
+
+ # Parse soak test message(s) for lower bound, into JSON-readable output.
+ #
+ # Return non-zero if parsing fails.
+ #
+ # Arguments:
+ # - ${1} - Path to (existing) input file. Required.
+ # - ${2} - Path to (overwritten if exists) output file. Required.
+ # Files read:
+ # - output.xml - The input file from argument location.
+ # Files updated:
+ # - results.txt - (Re)created, in argument location.
+ # Functions called:
+ # - die - Print to stderr and exit, defined in common.sh
+
+ set -exuo pipefail
+
+ in_file="${1}" || die "Two arguments needed."
+ out_file="${2}" || die "Two arguments needed."
+ pattern1='PLRsearch lower bound: .*, .*<' || die
+ # Adapted from https://superuser.com/a/377084
+ pattern2='(?<=: ).*(?= pps)' || die
+ if grep "${pattern1}" "${in_file}" | grep -Po "${pattern2}" >> "${out_file}"
+ then
+ # Add bracket https://www.shellhacks.com/sed-awk-add-end-beginning-line/
+ sed -i 's/.*/[&]/' "${out_file}"
+ # Returns nonzero if fails.
+ else
+ return 1
+ fi
}
Code Review / csit.git / commitdiff