rtems-tools/tester/rt/coverage.py
2019-05-21 15:53:38 +10:00

440 lines
18 KiB
Python

#
# RTEMS Tools Project (http://www.rtems.org/)
# Copyright 2014 Krzysztof Miesowicz (krzysztof.miesowicz@gmail.com)
# All rights reserved.
#
# This file is part of the RTEMS Tools package in 'rtems-tools'.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
from __future__ import print_function
import datetime
import shutil
import os
import sys
try:
import configparser
except:
import ConfigParser as configparser
from rtemstoolkit import error
from rtemstoolkit import path
from rtemstoolkit import log
from rtemstoolkit import execute
from rtemstoolkit import macros
from rtemstoolkit import version
import options
class summary:
def __init__(self, p_summary_dir):
self.summary_file_path = path.join(p_summary_dir, 'summary.txt')
self.index_file_path = path.join(p_summary_dir, 'index.html')
self.bytes_analyzed = 0
self.bytes_not_executed = 0
self.percentage_executed = 0.0
self.percentage_not_executed = 100.0
self.ranges_uncovered = 0
self.branches_uncovered = 0
self.branches_total = 0
self.branches_always_taken = 0
self.branches_never_taken = 0
self.percentage_branches_covered = 0.0
self.is_failure = False
def parse(self):
if not path.exists(self.summary_file_path):
log.output('coverage: summary file %s does not exist!' % (self.summary_file_path))
self.is_failure = True
with open(self.summary_file_path, 'r') as summary_file:
self.bytes_analyzed = self._get_next_with_colon(summary_file)
self.bytes_not_executed = self._get_next_with_colon(summary_file)
self.percentage_executed = self._get_next_with_colon(summary_file)
self.percentage_not_executed = self._get_next_with_colon(summary_file)
self.ranges_uncovered = self._get_next_with_colon(summary_file)
self.branches_total = self._get_next_with_colon(summary_file)
self.branches_uncovered = self._get_next_with_colon(summary_file)
self.branches_always_taken = self._get_next_without_colon(summary_file)
self.branches_never_taken = self._get_next_without_colon(summary_file)
if len(self.branches_uncovered) > 0 and len(self.branches_total) > 0:
self.percentage_branches_covered = \
1.0 - (float(self.branches_uncovered) / float(self.branches_total))
else:
self.percentage_branches_covered = 0.0
return
def _get_next_with_colon(self, summary_file):
line = summary_file.readline()
if ':' in line:
return line.split(':')[1].strip()
else:
return ''
def _get_next_without_colon(self, summary_file):
line = summary_file.readline()
return line.strip().split(' ')[0]
class report_gen_html:
def __init__(self, symbol_sets, build_dir, rtdir, bsp):
self.symbol_sets = symbol_sets
self.build_dir = build_dir
self.partial_reports_files = list(['index.html', 'summary.txt'])
self.number_of_columns = 1
self.covoar_src_path = path.join(rtdir, 'covoar')
self.bsp = bsp
def _find_partial_reports(self):
partial_reports = {}
for symbol_set in self.symbol_sets:
set_summary = summary(path.join(self.bsp + "-coverage",
symbol_set))
set_summary.parse()
partial_reports[symbol_set] = set_summary
return partial_reports
def _prepare_head_section(self):
head_section = '<head>' + os.linesep
head_section += ' <title>RTEMS coverage report</title>' + os.linesep
head_section += ' <style type="text/css">' + os.linesep
head_section += ' progress[value] {' + os.linesep
head_section += ' -webkit-appearance: none;' + os.linesep
head_section += ' appearance: none;' + os.linesep
head_section += ' width: 150px;' + os.linesep
head_section += ' height: 15px;' + os.linesep
head_section += ' }' + os.linesep
head_section += ' </style>' + os.linesep
head_section += '</head>' + os.linesep
return head_section
def _prepare_index_content(self, partial_reports):
header = "<h1> RTEMS coverage analysis report </h1>" + os.linesep
header += "<h3>Coverage reports by symbols sets:</h3>" + os.linesep
table = "<table>" + os.linesep
table += self._header_row()
for symbol_set in partial_reports:
table += self._row(symbol_set, partial_reports[symbol_set])
table += "</table> </br>"
timestamp = "Analysis performed on " + datetime.datetime.now().ctime()
return "<body>\n" + header + table + timestamp + "\n</body>"
def _row(self, symbol_set, summary):
row = "<tr>" + os.linesep
row += "<td>" + symbol_set + "</td>" + os.linesep
if summary.is_failure:
row += ' <td colspan="' + str(self.number_of_columns-1) \
+ '" style="background-color:red">FAILURE</td>' + os.linesep
else:
row += ' <td>' + self._link(summary.index_file_path, 'Index') \
+ '</td>' + os.linesep
row += ' <td>' + self._link(summary.summary_file_path, 'Summary') \
+ '</td>' + os.linesep
row += ' <td>' + summary.bytes_analyzed + '</td>' + os.linesep
row += ' <td>' + summary.bytes_not_executed + '</td>' + os.linesep
row += ' <td>' + summary.ranges_uncovered + '</td>' + os.linesep
row += ' <td>' + summary.percentage_executed + '%</td>' + os.linesep
row += ' <td>' + summary.percentage_not_executed + '%</td>' + os.linesep
row += ' <td><progress value="' + summary.percentage_executed \
+ '" max="100"></progress></td>' + os.linesep
row += ' <td>' + summary.branches_uncovered + '</td>' + os.linesep
row += ' <td>' + summary.branches_total + '</td>' + os.linesep
row += ' <td> {:.3%} </td>'.format(summary.percentage_branches_covered)
spbc = 100 * summary.percentage_branches_covered
row += ' <td><progress value="{:.3}" max="100"></progress></td>'.format(spbc)
row += '</tr>' + os.linesep
return row
def _header_row(self):
row = "<tr>" + os.linesep
row += " <th> Symbols set name </th>" + os.linesep
row += " <th> Index file </th>" + os.linesep
row += " <th> Summary file </th>" + os.linesep
row += " <th> Bytes analyzed </th>" + os.linesep
row += " <th> Bytes not executed </th>" + os.linesep
row += " <th> Uncovered ranges </th>" + os.linesep
row += " <th> Percentage covered </th>" + os.linesep
row += " <th> Percentage uncovered </th>" + os.linesep
row += " <th> Instruction coverage </th>" + os.linesep
row += " <th> Branches uncovered </th>" + os.linesep
row += " <th> Branches total </th>" + os.linesep
row += " <th> Branches covered percentage </th>" + os.linesep
row += " <th> Branches coverage </th>" + os.linesep
row += "</tr>"
self.number_of_columns = row.count('<th>')
return row
def _link(self, address, text):
return '<a href="' + address + '">' + text + '</a>'
def _create_index_file(self, head_section, content):
name = path.join(self.build_dir, self.bsp + "-report.html")
with open(name, 'w') as f:
f.write(head_section)
f.write(content)
def generate(self):
partial_reports = self._find_partial_reports()
head_section = self._prepare_head_section()
index_content = self._prepare_index_content(partial_reports)
self._create_index_file(head_section,index_content)
def add_covoar_css(self):
table_js_path = path.join(self.covoar_src_path, 'table.js')
covoar_css_path = path.join(self.covoar_src_path, 'covoar.css')
for symbol_set in self.symbol_sets:
symbol_set_dir = path.join(self.build_dir,
self.bsp + '-coverage', symbol_set)
path.copy_tree(covoar_css_path, symbol_set_dir)
path.copy_tree(table_js_path, symbol_set_dir)
def add_dir_name(self):
for symbol_set in self.symbol_sets:
symbol_set_dir = path.join(self.build_dir,
self.bsp + '-coverage', symbol_set)
html_files = path.listdir(symbol_set_dir)
for html_file in html_files:
html_file = path.join(symbol_set_dir, html_file)
if path.exists(html_file) and 'html' in html_file:
with open(html_file, 'r') as f:
file_data = f.read()
text = file_data[file_data.find('<div class="heading-title">')\
+len('<div class="heading-title">') \
: file_data.find('</div')]
file_data = file_data.replace(text, text + '<br>' + symbol_set)
with open(html_file, 'w') as f:
f.write(file_data)
class build_path_generator(object):
'''
Generates the build path from the path to executables
'''
def __init__(self, executables, target):
self.executables = executables
self.target = target
def run(self):
build_path = '/'
path_ = self.executables[0].split('/')
for p in path_:
if p == self.target:
break
else:
build_path = path.join(build_path, p)
return build_path
class symbol_parser(object):
'''
Parse the symbol sets ini and create custom ini file for covoar
'''
def __init__(self,
symbol_config_path,
symbol_select_path,
symbol_set,
build_dir,
bsp_name,
target):
self.symbol_select_file = symbol_select_path
self.symbol_file = symbol_config_path
self.build_dir = build_dir
self.symbol_sets = {}
self.symbol_set = symbol_set
self.ssets = []
self.bsp_name = bsp_name
self.target = target
def parse(self):
config = configparser.ConfigParser()
try:
config.read(self.symbol_file)
if self.symbol_set is not None:
self.ssets = self.symbol_set.split(',')
else:
self.ssets = config.get('symbol-sets', 'sets').split(',')
for sset in self.ssets:
lib = path.join(self.build_dir, config.get('libraries', sset))
self.symbol_sets[sset] = lib
ss = self.symbol_sets[sset]
ss = ss.replace('@BSP@', self.bsp_name)
ss = ss.replace('@BUILD-TARGET@', self.target)
self.symbol_sets[sset] = ss
return self.ssets
except:
raise error.general('Symbol set parsing failed for %s' % (sset))
def write_ini(self, symbol_set):
config = configparser.ConfigParser()
try:
sset = symbol_set
config.add_section('symbol-sets')
config.set('symbol-sets', 'sets', sset)
config.add_section(sset)
object_files = [o for o in path.listdir(self.symbol_sets[sset]) if o[-1] == 'o']
object_paths = []
for o in object_files:
object_paths.append(path.join(self.symbol_sets[sset], o))
config.set(sset, 'libraries', ','.join(object_paths))
with open(self.symbol_select_file, 'w') as conf:
config.write(conf)
except:
raise error.general('symbol parser write failed for %s' % (sset))
class covoar(object):
'''
Covoar runner
'''
def __init__(self,
base_result_dir,
config_dir,
executables,
trace,
prefix,
covoar_cmd):
self.base_result_dir = base_result_dir
self.config_dir = config_dir
self.executables = ' '.join(executables)
self.project_name = 'RTEMS-' + str(version.version())
self.trace = trace
self.prefix = prefix
self.covoar_cmd = covoar_cmd
def _find_covoar(self):
covoar_exe = 'covoar'
tester_dir = path.dirname(path.abspath(sys.argv[0]))
base = path.dirname(tester_dir)
exe = path.join(self.prefix, 'share', 'rtems', 'tester', 'bin', covoar_exe)
if path.isfile(exe):
return exe
exe = path.join(base, 'build', 'tester', 'covoar', covoar_exe)
if path.isfile(exe):
return exe
raise error.general('coverage: %s not found'% (covoar_exe))
def run(self, set_name, symbol_file):
covoar_result_dir = path.join(self.base_result_dir, set_name)
if not path.exists(covoar_result_dir):
path.mkdir(covoar_result_dir)
if not path.exists(symbol_file):
raise error.general('coverage: no symbol set file: %s'% (symbol_file))
exe = self._find_covoar()
command = exe + ' -O ' + covoar_result_dir + \
' -p ' + self.project_name + \
' ' + self.executables + ' '
command += self.covoar_cmd
log.notice()
log.notice('Running coverage analysis: %s (%s)' % (set_name, covoar_result_dir))
start_time = datetime.datetime.now()
executor = execute.execute(verbose = self.trace, output = self.output_handler)
exit_code = executor.shell(command, cwd=os.getcwd())
if exit_code[0] != 0:
raise error.general('coverage: covoar failure:: %d' % (exit_code[0]))
end_time = datetime.datetime.now()
log.notice('Coverage time: %s' % (str(end_time - start_time)))
def output_handler(self, text):
log.output('%s' % (text))
class coverage_run(object):
'''
Coverage analysis support for rtems-test
'''
def __init__(self, macros_, executables, prefix, symbol_set = None, trace = False):
'''
Constructor
'''
self.trace = trace
self.macros = macros_
self.build_dir = self.macros['_cwd']
self.test_dir = path.join(self.build_dir, self.macros['bsp'] + '-coverage')
if not path.exists(self.test_dir):
path.mkdir(self.test_dir)
self.rtdir = path.abspath(self.macros['_rtdir'])
self.rtscripts = self.macros.expand(self.macros['_rtscripts'])
self.coverage_config_path = path.join(self.rtscripts, 'coverage')
self.symbol_config_path = path.join(self.coverage_config_path,
'symbol-sets.ini')
self.symbol_select_path = self.macros.expand(self.macros['bsp_symbol_path'])
self.executables = executables
self.symbol_sets = []
self.no_clean = int(self.macros['_no_clean'])
self.report_format = self.macros['cov_report_format']
self.symbol_set = symbol_set
self.target = self.macros['target']
self.bsp_name = self.macros['bsp'].split('-')[0]
self.prefix = prefix
self.macros.define('coverage')
self.covoar_cmd = self.macros.expand(self.macros['bsp_covoar_cmd'])
def run(self):
try:
if self.executables is None:
raise error.general('no test executables provided.')
build_dir = build_path_generator(self.executables, self.target).run()
parser = symbol_parser(self.symbol_config_path,
self.symbol_select_path,
self.symbol_set,
build_dir,
self.bsp_name,
self.target)
symbol_sets = parser.parse()
for sset in symbol_sets:
parser.write_ini(sset)
covoar_runner = covoar(self.test_dir,
self.symbol_select_path,
self.executables,
self.trace,
self.prefix,
self.covoar_cmd)
covoar_runner.run(sset, self.symbol_select_path)
self._generate_reports(symbol_sets);
self._summarize();
finally:
self._cleanup();
def _generate_reports(self, symbol_sets):
log.notice('Coverage generating reports')
if self.report_format == 'html':
report = report_gen_html(symbol_sets,
self.build_dir,
self.rtdir,
self.macros['bsp'])
report.generate()
report.add_covoar_css()
report.add_dir_name()
def _cleanup(self):
if not self.no_clean:
if self.trace:
log.output('Coverage cleaning tempfiles')
for exe in self.executables:
trace_file = exe + '.cov'
if path.exists(trace_file):
os.remove(trace_file)
os.remove(self.symbol_select_path)
def _summarize(self):
log.notice('Coverage analysis finished: %s' % (self.build_dir))