source: rtems-tools/tester/rt/coverage.py @ 36fde51

5
Last change on this file since 36fde51 was 18208f8, checked in by Vijay Kumar Banerjee <vijaykumar9597@…>, on 07/25/18 at 15:28:25

Coverage: Add support to generate separate reports for each symbol-set

Invoke covoar multiple times from the script to generate separate
reports for each symbol-set.
  • Property mode set to 100644
File size: 17.0 KB
Line 
1#
2# RTEMS Tools Project (http://www.rtems.org/)
3# Copyright 2014 Krzysztof Miesowicz (krzysztof.miesowicz@gmail.com)
4# All rights reserved.
5#
6# This file is part of the RTEMS Tools package in 'rtems-tools'.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions are met:
10#
11# 1. Redistributions of source code must retain the above copyright notice,
12# this list of conditions and the following disclaimer.
13#
14# 2. Redistributions in binary form must reproduce the above copyright notice,
15# this list of conditions and the following disclaimer in the documentation
16# and/or other materials provided with the distribution.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
19# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28# POSSIBILITY OF SUCH DAMAGE.
29#
30
31from __future__ import print_function
32
33import datetime
34import shutil
35import os
36import sys
37
38try:
39    import configparser
40except:
41    import ConfigParser as configparser
42
43from rtemstoolkit import error
44from rtemstoolkit import path
45from rtemstoolkit import log
46from rtemstoolkit import execute
47from rtemstoolkit import macros
48
49
50from . import options
51
52class summary:
53    def __init__(self, p_summary_dir):
54        self.summary_file_path = path.join(p_summary_dir, 'summary.txt')
55        self.index_file_path = path.join(p_summary_dir, 'index.html')
56        self.bytes_analyzed = 0
57        self.bytes_not_executed = 0
58        self.percentage_executed = 0.0
59        self.percentage_not_executed = 100.0
60        self.ranges_uncovered = 0
61        self.branches_uncovered = 0
62        self.branches_total = 0
63        self.branches_always_taken = 0
64        self.branches_never_taken = 0
65        self.percentage_branches_covered = 0.0
66        self.is_failure = False
67
68    def parse(self):
69        if not path.exists(self.summary_file_path):
70            log.output('coverage: summary file %s does not exist!' % (self.summary_file_path))
71            self.is_failure = True
72
73        with open(self.summary_file_path, 'r') as summary_file:
74           self.bytes_analyzed = self._get_next_with_colon(summary_file)
75           self.bytes_not_executed = self._get_next_with_colon(summary_file)
76           self.percentage_executed = self._get_next_with_colon(summary_file)
77           self.percentage_not_executed = self._get_next_with_colon(summary_file)
78           self.ranges_uncovered = self._get_next_with_colon(summary_file)
79           self.branches_total = self._get_next_with_colon(summary_file)
80           self.branches_uncovered = self._get_next_with_colon(summary_file)
81           self.branches_always_taken = self._get_next_without_colon(summary_file)
82           self.branches_never_taken = self._get_next_without_colon(summary_file)
83        if len(self.branches_uncovered) > 0 and len(self.branches_total) > 0:
84            self.percentage_branches_covered = \
85                1.0 - (float(self.branches_uncovered) / float(self.branches_total))
86        else:
87            self.percentage_branches_covered = 0.0
88        return
89
90    def _get_next_with_colon(self, summary_file):
91        line = summary_file.readline()
92        if ':' in line:
93            return line.split(':')[1].strip()
94        else:
95            return ''
96
97    def _get_next_without_colon(self, summary_file):
98        line = summary_file.readline()
99        return line.strip().split(' ')[0]
100
101class report_gen_html:
102    def __init__(self, symbol_sets, build_dir, rtdir, bsp):
103        self.symbol_sets = symbol_sets
104        self.build_dir = build_dir
105        self.partial_reports_files = list(['index.html', 'summary.txt'])
106        self.number_of_columns = 1
107        self.covoar_src_path = path.join(rtdir, 'covoar')
108        self.bsp = bsp
109
110    def _find_partial_reports(self):
111        partial_reports = {}
112        for symbol_set in self.symbol_sets:
113            set_summary = summary(path.join(self.bsp + "-coverage",
114                                            symbol_set))
115            set_summary.parse()
116            partial_reports[symbol_set] = set_summary
117        return partial_reports
118
119    def _prepare_head_section(self):
120        head_section = '<head>' + os.linesep
121        head_section += ' <title>RTEMS coverage report</title>' + os.linesep
122        head_section += ' <style type="text/css">' + os.linesep
123        head_section += '  progress[value] {' + os.linesep
124        head_section += '    -webkit-appearance: none;' + os.linesep
125        head_section += '    appearance: none;' + os.linesep
126        head_section += '    width: 150px;' + os.linesep
127        head_section += '    height: 15px;' + os.linesep
128        head_section += '  }' + os.linesep
129        head_section += ' </style>' + os.linesep
130        head_section += '</head>' + os.linesep
131        return head_section
132
133    def _prepare_index_content(self, partial_reports):
134        header = "<h1> RTEMS coverage analysis report </h1>" + os.linesep
135        header += "<h3>Coverage reports by symbols sets:</h3>" + os.linesep
136        table = "<table>" + os.linesep
137        table += self._header_row()
138        for symbol_set in partial_reports:
139            table += self._row(symbol_set, partial_reports[symbol_set])
140        table += "</table> </br>"
141        timestamp = "Analysis performed on " + datetime.datetime.now().ctime()
142        return "<body>\n" + header + table + timestamp + "\n</body>"
143
144    def _row(self, symbol_set, summary):
145        row = "<tr>" + os.linesep
146        row += "<td>" + symbol_set + "</td>" + os.linesep
147        if summary.is_failure:
148            row += ' <td colspan="' + str(self.number_of_columns-1) \
149                        + '" style="background-color:red">FAILURE</td>' + os.linesep
150        else:
151            row += ' <td>' + self._link(summary.index_file_path, 'Index') \
152                   + '</td>' + os.linesep
153            row += ' <td>' + self._link(summary.summary_file_path, 'Summary') \
154                   + '</td>' + os.linesep
155            row += ' <td>' + summary.bytes_analyzed + '</td>' + os.linesep
156            row += ' <td>' + summary.bytes_not_executed + '</td>' + os.linesep
157            row += ' <td>' + summary.ranges_uncovered + '</td>' + os.linesep
158            row += ' <td>' + summary.percentage_executed + '%</td>' + os.linesep
159            row += ' <td>' + summary.percentage_not_executed + '%</td>' + os.linesep
160            row += ' <td><progress value="' + summary.percentage_executed \
161                    + '" max="100"></progress></td>' + os.linesep
162            row += ' <td>' + summary.branches_uncovered + '</td>' + os.linesep
163            row += ' <td>' + summary.branches_total + '</td>' + os.linesep
164            row += ' <td> {:.3%} </td>'.format(summary.percentage_branches_covered)
165            spbc = 100 * summary.percentage_branches_covered
166            row += ' <td><progress value="{:.3}" max="100"></progress></td>'.format(spbc)
167            row += '</tr>' + os.linesep
168        return row
169
170    def _header_row(self):
171        row = "<tr>" + os.linesep
172        row += " <th> Symbols set name </th>" + os.linesep
173        row += " <th> Index file </th>" + os.linesep
174        row += " <th> Summary file </th>" + os.linesep
175        row += " <th> Bytes analyzed </th>" + os.linesep
176        row += " <th> Bytes not executed </th>" + os.linesep
177        row += " <th> Uncovered ranges </th>" + os.linesep
178        row += " <th> Percentage covered </th>" + os.linesep
179        row += " <th> Percentage uncovered </th>" + os.linesep
180        row += " <th> Instruction coverage </th>" + os.linesep
181        row += " <th> Branches uncovered </th>" + os.linesep
182        row += " <th> Branches total </th>" + os.linesep
183        row += " <th> Branches covered percentage </th>" + os.linesep
184        row += " <th> Branches coverage </th>" + os.linesep
185        row += "</tr>"
186        self.number_of_columns = row.count('<th>')
187        return row
188
189    def _link(self, address, text):
190        return '<a href="' + address + '">' + text + '</a>'
191
192    def _create_index_file(self, head_section, content):
193        name = path.join(self.build_dir, self.bsp + "-report.html")
194        with open(name, 'w') as f:
195            f.write(head_section)
196            f.write(content)
197
198    def generate(self):
199        partial_reports = self._find_partial_reports()
200        head_section = self._prepare_head_section()
201        index_content = self._prepare_index_content(partial_reports)
202        self._create_index_file(head_section,index_content)
203
204    def add_covoar_src_path(self):
205        table_js_path = path.join(self.covoar_src_path, 'table.js')
206        covoar_css_path = path.join(self.covoar_src_path, 'covoar.css')
207        for symbol_set in self.symbol_sets:
208            symbol_set_dir = path.join(self.build_dir,
209                                       self.bsp + '-coverage', symbol_set)
210            html_files = os.listdir(symbol_set_dir)
211            for html_file in html_files:
212                html_file = path.join(symbol_set_dir, html_file)
213                if path.exists(html_file) and 'html' in html_file:
214                    with open(html_file, 'r') as f:
215                        file_data = f.read()
216                    file_data = file_data.replace('table.js', table_js_path)
217                    file_data = file_data.replace('covoar.css',
218                                                  covoar_css_path)
219                    with open(html_file, 'w') as f:
220                        f.write(file_data)
221
222class build_path_generator(object):
223    '''
224    Generates the build path from the path to executables
225    '''
226    def __init__(self, executables, target):
227        self.executables = executables
228        self.target = target
229    def run(self):
230        build_path = '/'
231        path_ = self.executables[0].split('/')
232        for p in path_:
233            if p == self.target:
234                break
235            else:
236                build_path = path.join(build_path, p)
237        return build_path
238
239class symbol_parser(object):
240    '''
241    Parse the symbol sets ini and create custom ini file for covoar
242    '''
243    def __init__(self,
244                 symbol_config_path,
245                 symbol_select_path,
246                 symbol_set,
247                 build_dir):
248        self.symbol_select_file = symbol_select_path
249        self.symbol_file = symbol_config_path
250        self.build_dir = build_dir
251        self.symbol_sets = {}
252        self.symbol_set = symbol_set
253        self.ssets = []
254
255    def parse(self):
256        config = configparser.ConfigParser()
257        try:
258            config.read(self.symbol_file)
259            if self.symbol_set is not None:
260                self.ssets = self.symbol_set.split(',')
261            else:
262                self.ssets = config.get('symbol-sets', 'sets').split(',')
263                self.ssets = [sset.encode('utf-8') for sset in self.ssets]
264            for sset in self.ssets:
265                lib = path.join(self.build_dir, config.get('libraries', sset))
266                self.symbol_sets[sset] = lib.encode('utf-8')
267            return self.ssets
268        except:
269            raise error.general('Symbol set parsing failed')
270
271    def write_ini(self, symbol_set):
272        config = configparser.ConfigParser()
273        try:
274            sset = symbol_set
275            config.add_section('symbol-sets')
276            config.set('symbol-sets', 'sets', sset)
277            config.add_section(sset)
278            config.set(sset, 'libraries', self.symbol_sets[sset])
279            with open(self.symbol_select_file, 'w') as conf:
280                config.write(conf)
281        except:
282            raise error.general('symbol parser write failed')
283
284class covoar(object):
285    '''
286    Covoar runner
287    '''
288    def __init__(self, base_result_dir, config_dir, executables, explanations_txt, trace):
289        self.base_result_dir = base_result_dir
290        self.config_dir = config_dir
291        self.executables = ' '.join(executables)
292        self.explanations_txt = explanations_txt
293        self.project_name = 'RTEMS-5'
294        self.trace = trace
295
296    def _find_covoar(self):
297        covoar_exe = 'covoar'
298        tester_dir = path.dirname(path.abspath(sys.argv[0]))
299        base = path.dirname(tester_dir)
300        exe = path.join(base, 'bin', covoar_exe)
301        if path.isfile(exe):
302            return exe
303        exe = path.join(base, 'build', 'tester', 'covoar', covoar_exe)
304        if path.isfile(exe):
305            return exe
306        raise error.general('coverage: %s not found'% (covoar_exe))
307
308    def run(self, set_name, symbol_file):
309        covoar_result_dir = path.join(self.base_result_dir, set_name)
310        if not path.exists(covoar_result_dir):
311            path.mkdir(covoar_result_dir)
312        if not path.exists(symbol_file):
313            raise error.general('coverage: no symbol set file: %s'% (symbol_file))
314        exe = self._find_covoar()
315        command = exe + ' -S ' + symbol_file + \
316                  ' -O ' + covoar_result_dir + \
317                  ' -E ' + self.explanations_txt + \
318                  ' -p ' + self.project_name + ' ' + self.executables
319        log.notice()
320        log.notice('Running coverage analysis: %s (%s)' % (set_name, covoar_result_dir))
321        start_time = datetime.datetime.now()
322        executor = execute.execute(verbose = self.trace, output = self.output_handler)
323        exit_code = executor.shell(command, cwd=os.getcwd())
324        if exit_code[0] != 0:
325            raise error.general('coverage: covoar failure:: %d' % (exit_code[0]))
326        end_time = datetime.datetime.now()
327        log.notice('Coverage time: %s' % (str(end_time - start_time)))
328
329    def output_handler(self, text):
330        log.output('%s' % (text))
331
332class coverage_run(object):
333    '''
334    Coverage analysis support for rtems-test
335    '''
336    def __init__(self, macros_, executables, symbol_set = None, trace = False):
337        '''
338        Constructor
339        '''
340        self.trace = trace
341        self.macros = macros_
342        self.build_dir = self.macros['_cwd']
343        self.explanations_txt = self.macros.expand(self.macros['cov_explanations'])
344        self.test_dir = path.join(self.build_dir, self.macros['bsp'] + '-coverage')
345        if not path.exists(self.test_dir):
346            path.mkdir(self.test_dir)
347        self.rtdir = path.abspath(self.macros['_rtdir'])
348        self.rtscripts = self.macros.expand(self.macros['_rtscripts'])
349        self.coverage_config_path = path.join(self.rtscripts, 'coverage')
350        self.symbol_config_path = path.join(self.coverage_config_path,
351                                            'symbol-sets.ini')
352        self.symbol_select_path = path.join(self.coverage_config_path,
353                                            self.macros['bsp'] + '-symbols.ini')
354        self.executables = executables
355        self.symbol_sets = []
356        self.no_clean = int(self.macros['_no_clean'])
357        self.report_format = self.macros['cov_report_format']
358        self.symbol_set = symbol_set
359        self.target = self.macros['target']
360
361    def run(self):
362        try:
363            if self.executables is None:
364                raise error.general('no test executables provided.')
365            build_dir = build_path_generator(self.executables, self.target).run()
366            parser = symbol_parser(self.symbol_config_path,
367                                   self.symbol_select_path,
368                                   self.symbol_set,
369                                   build_dir)
370            symbol_sets = parser.parse()
371            for sset in symbol_sets:
372                parser.write_ini(sset)
373                covoar_runner = covoar(self.test_dir, self.symbol_select_path,
374                                   self.executables, self.explanations_txt,
375                                   self.trace)
376                covoar_runner.run(sset, self.symbol_select_path)
377            self._generate_reports(symbol_sets);
378            self._summarize();
379        finally:
380            self._cleanup();
381
382    def _generate_reports(self, symbol_sets):
383        log.notice('Coverage generating reports')
384        if self.report_format == 'html':
385            report = report_gen_html(symbol_sets,
386                                     self.build_dir,
387                                     self.rtdir,
388                                     self.macros['bsp'])
389            report.generate()
390            report.add_covoar_src_path()
391
392    def _cleanup(self):
393        if not self.no_clean:
394            if self.trace:
395                log.output('Coverage cleaning tempfiles')
396            for exe in self.executables:
397                trace_file = exe + '.cov'
398                if path.exists(trace_file):
399                    os.remove(trace_file)
400            os.remove(self.symbol_select_path)
401
402    def _summarize(self):
403        log.notice('Coverage analysis finished: %s' % (self.build_dir))
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