pebble/tools/metrics_to_xml.py

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#!/usr/bin/env python
# Copyright 2024 Google LLC
#
# 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.
# this script parses the bss data and text firmware sizes and generates an XML file for consumption by jenkins plot plugin
import argparse
import os
import analyze_static_memory_usage
import xml.etree.cElementTree as ET
def writexml(workspace, fwusage, recfwusage):
# check the tintin_fw.elf
data_summary = analyze_static_memory_usage.analyze_sizes(workspace + '/build/src/fw/tintin_fw.elf')
# the .bin sizes are passed in from files jenkins checks during build time. Files are volatile so their information is saved and passed as an env var.
metrics = ET.Element('metrics')
# the Tintin_fw.bin sizes for regular builds and recovery builds
binsize = ET.SubElement(metrics,'binsize')
FWU = ET.SubElement(binsize, 'Firmware')
RECFWU = ET.SubElement(binsize, 'Recovery_Firmware')
FWU.text = fwusage
RECFWU.text = recfwusage
# the bss, data and text sizes from tintin_fw.elf
detailed_size = ET.SubElement(metrics, 'detailed_size')
SBSS = ET.SubElement(detailed_size, 'bss')
SDATA = ET.SubElement(detailed_size, 'data')
STEXT = ET.SubElement(detailed_size, 'text')
SBSS.text = str(data_summary['b'].size)
SDATA.text = str(data_summary['d'].size)
STEXT.text = str(data_summary['t'].size)
# the bss, data and text sizes from tintin_fw.elf
detailed_count = ET.SubElement(metrics, 'detailed_counts')
CBSS = ET.SubElement(detailed_count , 'bss')
CDATA = ET.SubElement(detailed_count , 'data')
CTEXT = ET.SubElement(detailed_count , 'text')
CBSS.text = str(data_summary['b'].count)
CDATA.text = str(data_summary['d'].count)
CTEXT.text = str(data_summary['t'].count)
# write the temporary xml file for import by the plot plugin
tree = ET.ElementTree(metrics)
tree.write("metrics.xml")
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--workspace', metavar='workspace', required=True, help='path to the build workspace')
parser.add_argument('--fwusage', metavar='fwusage', required=True, help='current build FW usage: tintin.bin in kilobytes')
parser.add_argument('--recfwusage', metavar='recfwusage', required=True, help='current recovery build FW usage: tintin.bin in kilobytes')
args = parser.parse_args()
writexml(args.workspace, args.fwusage, args.recfwusage)
if (__name__ == '__main__'):
main()