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Diffstat (limited to 'startop/scripts/app_startup/parse_metrics')
| -rwxr-xr-x | startop/scripts/app_startup/parse_metrics | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/startop/scripts/app_startup/parse_metrics b/startop/scripts/app_startup/parse_metrics new file mode 100755 index 000000000000..c6bf08ee9dfd --- /dev/null +++ b/startop/scripts/app_startup/parse_metrics @@ -0,0 +1,181 @@ +#!/bin/bash +# +# Copyright 2019, The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +usage() { + cat <<EOF +Usage: launch_application package activity | parse_metrics --package <name> --timestamp <timestamp> [OPTIONS]... + + Reads from stdin the result of 'am start' metrics. May also parse logcat + for additional metrics. + + Output form: + + MetricName_unit=numeric_value + MetricName2_unit=numeric_value2 + + This may block until all desired metrics are parsed from logcat. + To get a list of metrics without doing real parsing, use --simulate. + + To add package-specific metrics, add a script called 'metrics/\$full_package_name' + that exposes additional metrics in same way as above. + + (required) + -p, --package <name> package of the app that is being used + -ts, --timestamp <name> logcat timestamp [only looks at logcat entries after this timestamp]. + + (optional) + -s, --simulate prints dummy values instead of real metrics + -a, --activity <name> activity to use (default: inferred) + -h, --help usage information (this) + -v, --verbose enable extra verbose printing + -t, --timeout <sec> how many seconds to timeout when trying to wait for logcat to change +EOF +} + +DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" +source "$DIR/lib/common" + +package="" +activity="" +timeout=10 +simulate="n" +parse_arguments() { + while [[ $# -gt 0 ]]; do + case "$1" in + -h|--help) + usage + exit 0 + ;; + -p|--package) + package="$2" + shift + ;; + -a|--activity) + activity="$2" + shift + ;; + -v|--verbose) + export verbose="y" + ;; + -t|--timeout) + timeout="$2" + shift + ;; + -ts|--timestamp) + timestamp="$2" + shift + ;; + -s|--simulate) + simulate="y" + ;; + *) + echo "Invalid argument: $1" >&2 + exit 1 + esac + shift + done +} + +# Main entry point +if [[ $# -eq 0 ]]; then + usage + exit 1 +else + parse_arguments "$@" + + # if we do not have have package exit early with an error + [[ "$package" == "" ]] && echo "--package not specified" 1>&2 && exit 64 + + # ignore timestamp for --simulate. it's optional. + if [[ $simulate == y ]]; then + timestamp=0 + fi + + # if we do not have timestamp, exit early with an error + [[ "$timestamp" == "" ]] && echo "--timestamp not specified" 1>&2 && exit 64 + + if [[ "$activity" == "" ]] && [[ "$simulate" != "y" ]]; then + activity="$(get_activity_name "$package")" + if [[ "$activity" == "" ]]; then + echo "Activity name could not be found, invalid package name?" 1>&2 + exit 64 + else + verbose_print "Activity name inferred: " "$activity" + fi + fi +fi + +parse_metric_from_logcat() { + local metric_name="$1" + local pattern="$2" + local re_pattern="$3" + local retcode + + # parse logcat for 'Displayed...' and that other one... + + # 05-06 14:34:08.854 29460 29481 I ActivityTaskManager: Displayed com.google.android.dialer/.extensions.GoogleDialtactsActivity: +361ms + verbose_print "parse_metric_from_logcat: $re_pattern" + + + echo -ne "$metric_name=" + + if [[ $simulate == y ]]; then + echo "-1" + return 0 + fi + + logcat_extract_pattern "$timeout" "$timestamp" "$pattern" "$re_pattern" + retcode=$? + + if [[ $retcode -ne 0 ]]; then + # Timed out before finding the pattern. Could also mean the pattern is wrong. + echo "-$?" + fi + + return $retcode +} + + +total_time="-1" +if [[ $simulate != y ]]; then + verbose_print 'logcat timestamp NOW: ' $(logcat_save_timestamp) + + # parse stdin for 'am start' result + while read -t "$timeout" -r input_line; do + verbose_print 'stdin:' "$input_line" + if [[ $input_line == *TotalTime:* ]]; then + total_time="$(echo "$input_line" | sed 's/TotalTime: \([[:digit:]]\+\)/\1/g')" + # but keep reading the rest from stdin until <EOF> + fi + done +fi + +echo "TotalTime_ms=$total_time" + +# parse logcat for 'Displayed...' and that other one... + +# 05-06 14:34:08.854 29460 29481 I ActivityTaskManager: Displayed com.google.android.dialer/.extensions.GoogleDialtactsActivity: +361ms +pattern="ActivityTaskManager: Displayed ${package}" +re_pattern='.*Displayed[[:blank:]]\+'"${package}"'[/][^[:blank:]]\+[[:blank:]]+\([[:digit:]]\+\).*' + +parse_metric_from_logcat "Displayed_ms" "$pattern" "$re_pattern" + +# also call into package-specific scripts if there are additional metrics +if [[ -x "$DIR/metrics/$package" ]]; then + source "$DIR/metrics/$package" "$timestamp" +else + verbose_print parse_metrics: no per-package metrics script found at "$DIR/metrics/$package" +fi |