[PATCH] Generate coverage analysis Report

thelunatic vijaykumar9597 at gmail.com
Wed May 30 17:00:11 UTC 2018


+ Add script to run covoar and generate an html report from
the output generated from covoar
+ Add symbol-sets ini file for library addresses of the symbol-sets
+ tester/rt/test : Add options for running coverage

Co-author : Cillian O'Donnel <cpodonnell8 at gmail.com>
---
 tester/rt/coverage.py                         | 380 ++++++++++++++++++++++++++
 tester/rt/test.py                             |  36 ++-
 tester/rtems/testing/bsps/leon3-qemu-cov.ini  |   3 +-
 tester/rtems/testing/coverage/symbol-sets.ini |  36 +++
 tester/rtems/testing/qemu.cfg                 |   4 +-
 5 files changed, 447 insertions(+), 12 deletions(-)
 create mode 100644 tester/rt/coverage.py
 create mode 100644 tester/rtems/testing/coverage/symbol-sets.ini

diff --git a/tester/rt/coverage.py b/tester/rt/coverage.py
new file mode 100644
index 0000000..38dcce6
--- /dev/null
+++ b/tester/rt/coverage.py
@@ -0,0 +1,380 @@
+#
+# RTEMS Tools Project (http://www.rtems.org/)
+# Copyright 2014 Krzysztof Miesowicz (krzysztof.miesowicz at 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 rtemstoolkit import error
+from rtemstoolkit import path
+from rtemstoolkit import log
+from rtemstoolkit import execute
+from rtemstoolkit import macros
+
+from datetime import datetime
+
+from . import options
+
+import shutil
+import os
+
+try:
+    import configparser
+except:
+    import ConfigParser as configparser
+
+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.notice('summary file %s does not exist!' % (self.summary_file_path))
+            self.is_failure = True
+            return
+
+        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 - (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, p_symbol_sets_list, build_dir, rtdir):
+        self.symbol_sets_list = ['score'] 
+        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')
+
+    def _find_partial_reports(self):
+        partial_reports = {}
+        for symbol_set in self.symbol_sets_list:
+            set_summary = summary(path.join(self.build_dir, "coverage",
+                                  symbol_set))
+            set_summary.parse()
+            partial_reports[symbol_set] = set_summary
+        return partial_reports
+
+    def _prepare_head_section(self):
+        head_section = '''
+        <head>
+        <title>RTEMS coverage report</title>
+        <style type="text/css">
+            progress[value] {
+              -webkit-appearance: none;
+               appearance: none;
+
+              width: 150px;
+              height: 15px;
+            }
+        </style>
+        </head>'''
+        return head_section
+
+    def _prepare_index_content(self, partial_reports):
+        header = "<h1> RTEMS coverage analysis report </h1>"
+        header += "<h3>Coverage reports by symbols sets:</h3>"
+        table = "<table>"
+        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.now().ctime()
+        return "<body>\n" + header + table + timestamp + "\n</body>"
+
+    def _row(self, symbol_set, summary):
+        row = "<tr>"
+        row += "<td>" + symbol_set + "</td>"
+        if summary.is_failure:
+            row += ' <td colspan="' + str(self.number_of_columns-1) \
+            + '" style="background-color:red">FAILURE</td>'
+        else:
+            row += " <td>" + self._link(summary.index_file_path,"Index") \
+            + "</td>"
+            row += " <td>" + self._link(summary.summary_file_path,"Summary") \
+            + "</td>"
+            row += " <td>" + summary.bytes_analyzed + "</td>"
+            row += " <td>" + summary.bytes_not_executed + "</td>"
+            row += " <td>" + summary.ranges_uncovered + "</td>"
+            row += " <td>" + summary.percentage_executed + "%</td>"
+            row += " <td>" + summary.percentage_not_executed + "%</td>"
+            row += ' <td><progress value="' + summary.percentage_executed \
+            + '" max="100"></progress></td>'
+            row += " <td>" + summary.branches_uncovered + "</td>"
+            row += " <td>" + summary.branches_total + "</td>"
+            row += " <td> {:.3%} </td>".format(summary.percentage_branches_covered)
+            row += ' <td><progress value="{:.3}" max="100"></progress></td>'.format(100*summary.percentage_branches_covered)
+            row += "</tr>\n"
+        return row
+
+    def _header_row(self):
+        row = "<tr>"
+        row += "<th> Symbols set name </th>"
+        row += "<th> Index file </th>"
+        row += "<th> Summary file </th>"
+        row += "<th> Bytes analyzed </th>"
+        row += "<th> Bytes not executed </th>"
+        row += "<th> Uncovered ranges </th>"
+        row += "<th> Percentage covered </th>"
+        row += "<th> Percentage uncovered </th>"
+        row += "<th> Instruction coverage </th>"
+        row += "<th> Branches uncovered </th>"
+        row += "<th> Branches total </th>"
+        row += "<th> Branches covered percentage </th>"
+        row += "<th> Branches coverage </th>"
+        row += "</tr>\n"
+        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):
+        with open(path.join(self.build_dir,"report.html"),'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_src_path(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_list:
+            symbol_set_dir = path.join(self.build_dir, "coverage", symbol_set)
+            html_files = os.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()
+                    file_data = file_data.replace('table.js', table_js_path)
+                    file_data = file_data.replace('covoar.css',
+                                                  covoar_css_path)
+                    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, coverage_arg, build_dir):
+        self.symbol_select_file = symbol_select_path
+        self.symbol_file = symbol_config_path
+        self.build_dir = build_dir
+        self.symbol_sets = {}
+        self.cov_arg = coverage_arg
+        self.ssets = []
+
+    def parse(self):
+        config = configparser.ConfigParser()
+        try:
+            config.read(self.symbol_file)
+            if self.cov_arg:
+                self.ssets = self.cov_arg.split(',')
+            else:
+                self.ssets = config.get('symbol-sets', 'sets').split(',')
+                self.ssets = [ sset.encode('utf-8') for sset in self.ssets]
+            for sset in self.ssets:
+                lib = path.join(self.build_dir,
+                                config.get('libraries', sset))
+                self.symbol_sets[sset] = lib.encode('utf-8')
+        except:
+            raise error.general('Symbol set parsing failed')
+
+    def _write_ini(self):
+        config = configparser.ConfigParser()
+        try:    
+            sets = ', '.join(self.symbol_sets.keys())
+            config.add_section('symbol-sets')
+            config.set('symbol-sets', 'sets', sets)
+            for key in self.symbol_sets.keys():
+                config.add_section(key)
+                config.set(key, 'libraries', self.symbol_sets[key])
+            with open(self.symbol_select_file, 'w') as conf:
+                config.write(conf)
+        except: 
+            raise error.general('write failed')
+
+    def run(self):
+        self.parse()
+        self._write_ini()
+
+            
+class covoar(object):
+    '''
+    Covoar runner
+    '''
+    def __init__(self, base_result_dir, config_dir, executables, explanations_txt):
+        self.base_result_dir = base_result_dir
+        self.config_dir = config_dir
+        self.executables = ' '.join(executables)
+        self.explanations_txt = explanations_txt
+        self.project_name = 'RTEMS-5'
+
+    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('symbol set file: coverage %s was not created for covoar, skipping %s'% (symbol_file, set_name))
+        command = ('covoar -S ' + symbol_file
+                  + ' -O ' + covoar_result_dir
+                  + ' -E ' + self.explanations_txt 
+                  + ' -p ' + self.project_name + ' ' + self.executables)
+        log.notice('Running covoar for %s' % (set_name))
+        print( 'covoar results directory:\n' + covoar_result_dir )
+        executor = execute.execute(verbose = True, output = self.output_handler)
+        exit_code = executor.shell(command, cwd=os.getcwd())
+        if (exit_code[0] != 0):
+            raise error.general('covoar failure exit code: %d' % (exit_code[0]))
+        log.notice('Coverage run for %s finished successfully.' % (set_name))
+        log.notice('-----------------------------------------------')
+
+    def output_handler(self, text):
+        log.notice('%s' % (text))
+
+class coverage_run(object):
+    '''
+    Coverage analysis support for rtems-test
+    '''
+    def __init__(self, p_macros, coverage_arg, target):
+        '''
+        Constructor
+        '''
+        self.macros = p_macros
+        self.build_dir = self.macros['_cwd']
+        self.explanations_txt = self.macros.expand(self.macros['cov_explanations'])
+        self.test_dir = path.join(self.build_dir, '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 = path.join(self.coverage_config_path,
+                                            'symbol-select.ini')
+        self.executables = None
+        self.symbol_sets = []
+        self.no_clean = int(self.macros['_no_clean'])
+        self.report_format = self.macros['cov_report_format']
+        self.coverage_arg = coverage_arg
+        self.target = target
+
+    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.coverage_arg,
+                                   build_dir)
+            parser.run()
+            covoar_runner = covoar(self.test_dir, self.symbol_select_path,
+                                   self.executables, self.explanations_txt)
+            covoar_runner.run('score', self.symbol_select_path)
+            self._generate_reports();
+            self._summarize();
+        finally:
+            self._cleanup();
+
+    def _generate_reports(self):
+        log.notice('Generating reports')
+        if self.report_format == 'html':
+            report = report_gen_html(self.symbol_sets,
+                                     self.build_dir,
+                                     self.rtdir)
+            report.generate()
+            report.add_covoar_src_path()
+
+    def _cleanup(self):
+        if not self.no_clean:
+            log.notice('***Cleaning tempfiles***')
+            for exe in self.executables:
+                trace_file = exe + '.cov'
+                if path.exists(trace_file):
+                    os.remove(trace_file)
+
+    def _summarize(self):
+        log.notice('Coverage analysis finished. You can find results in %s' % (self.build_dir))
diff --git a/tester/rt/test.py b/tester/rt/test.py
index f4d9b5c..cabec7b 100644
--- a/tester/rt/test.py
+++ b/tester/rt/test.py
@@ -48,12 +48,14 @@ from rtemstoolkit import mailer
 from rtemstoolkit import reraise
 from rtemstoolkit import stacktraces
 from rtemstoolkit import version
+from rtemstoolkit import check
 
 from . import bsps
 from . import config
 from . import console
 from . import options
 from . import report
+from . import coverage
 
 class log_capture(object):
     def __init__(self):
@@ -147,7 +149,7 @@ class test_run(object):
 
     def run(self):
         self.thread = threading.Thread(target = self.runner,
-                                       name = 'test[%s]' % path.basename(self.executable))
+                            name = 'test[%s]' % path.basename(self.executable))
         self.thread.start()
 
     def is_alive(self):
@@ -214,6 +216,11 @@ def killall(tests):
     for test in tests:
         test.kill()
 
+
+def coverage_run(opts, coverage, executables):
+    coverage.executables = executables
+    coverage.run()
+
 def run(command_path = None):
     import sys
     tests = []
@@ -221,15 +228,16 @@ def run(command_path = None):
     opts = None
     default_exefilter = '*.exe'
     try:
-        optargs = { '--rtems-tools': 'The path to the RTEMS tools',
-                    '--rtems-bsp':   'The RTEMS BSP to run the test on',
-                    '--user-config': 'Path to your local user configuration INI file',
-                    '--report-mode': 'Reporting modes, failures (default),all,none',
-                    '--list-bsps':   'List the supported BSPs',
-                    '--debug-trace': 'Debug trace based on specific flags',
-                    '--filter':      'Glob that executables must match to run (default: ' +
+        optargs = { '--rtems-tools':    'The path to the RTEMS tools',
+                    '--rtems-bsp':      'The RTEMS BSP to run the test on',
+                    '--user-config':    'Path to your local user configuration INI file',
+                    '--report-mode':    'Reporting modes, failures (default),all,none',
+                    '--list-bsps':      'List the supported BSPs',
+                    '--debug-trace':    'Debug trace based on specific flags',
+                    '--filter':         'Glob that executables must match to run (default: ' +
                               default_exefilter + ')',
-                    '--stacktrace':  'Dump a stack trace on a user termination (^C)' }
+                    '--stacktrace':     'Dump a stack trace on a user termination (^C)',
+                    '--coverage':       'Perform coverage analysis of test exectuables.'}
         mailer.append_options(optargs)
         opts = options.load(sys.argv,
                             optargs = optargs,
@@ -279,6 +287,14 @@ def run(command_path = None):
             raise error.general('RTEMS BSP not provided or an invalid option')
         bsp = config.load(bsp[1], opts)
         bsp_config = opts.defaults.expand(opts.defaults['tester'])
+        coverage_enabled = opts.find_arg('--coverage')
+        if coverage_enabled:
+            if len(coverage_enabled) == 2:
+                coverage_runner = coverage.coverage_run(opts.defaults,
+                                                coverage_enabled[1],
+                                                opts.defaults['target'])
+            else:
+                coverage_runner = coverage.coverage_run(opts.defaults, 0)
         report_mode = opts.find_arg('--report-mode')
         if report_mode:
             if report_mode[1] != 'failures' and \
@@ -365,6 +381,8 @@ def run(command_path = None):
                     reports.failures(),
                     'Log', '===', ''] + output.get()
             mail.send(to_addr, subject, os.linesep.join(body))
+        if coverage_enabled:
+            coverage_run(opts, coverage_runner, executables)
 
     except error.general as gerr:
         print(gerr)
diff --git a/tester/rtems/testing/bsps/leon3-qemu-cov.ini b/tester/rtems/testing/bsps/leon3-qemu-cov.ini
index 6b5e7e6..2f89117 100644
--- a/tester/rtems/testing/bsps/leon3-qemu-cov.ini
+++ b/tester/rtems/testing/bsps/leon3-qemu-cov.ini
@@ -31,9 +31,10 @@
 #
 # The Leon 3 QEMU BSP
 #
-[leon3-qemu]
+[leon3-qemu-cov]
 bsp               = leon3-qemu
 arch              = sparc
+target            = sparc-rtems5
 tester            = %{_rtscripts}/qemu.cfg
 bsp_qemu_opts     = %{qemu_opts_base} -M leon3_generic
 bsp_qemu_cov_opts = -exec-trace %{test_executable}.cov
diff --git a/tester/rtems/testing/coverage/symbol-sets.ini b/tester/rtems/testing/coverage/symbol-sets.ini
new file mode 100644
index 0000000..a2ec7bc
--- /dev/null
+++ b/tester/rtems/testing/coverage/symbol-sets.ini
@@ -0,0 +1,36 @@
+#
+# RTEMS Tools Project (http://www.rtems.org/)
+# Copyright 2018 Chris Johns (chrisj at rtems.org)
+# 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.
+#
+
+[symbol-sets]
+sets = score,rtems
+
+[libraries]
+score = @BUILD-TARGET@/c/@BSP@/cpukit/score/libscore.a
+rtems = @BUILD-TARGET@/c/@BSP@/cpukit/rtems/librtems.a
diff --git a/tester/rtems/testing/qemu.cfg b/tester/rtems/testing/qemu.cfg
index bfcd2f5..52a3752 100644
--- a/tester/rtems/testing/qemu.cfg
+++ b/tester/rtems/testing/qemu.cfg
@@ -51,8 +51,8 @@
 #
 # Qemu common option patterns.
 #
-#%define qemu_opts_base   -no-reboot -monitor none -serial stdio -nographic
-%define qemu_opts_base   -no-reboot -serial null -serial mon:stdio -nographic
+%define qemu_opts_base   -no-reboot -monitor none -serial stdio -nographic
+#%define qemu_opts_base   -no-reboot -serial null -serial mon:stdio -nographic
 %define qemu_opts_no_net -net none
 
 #
-- 
2.14.3



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