diff options
| -rw-r--r-- | tools/drmemory/DrMemory-Windows-sfx.exe | bin | 0 -> 17312198 bytes | |||
| -rw-r--r-- | tools/drmemory/scripts/common.py | 252 | ||||
| -rw-r--r-- | tools/drmemory/scripts/drmemory_analyze.py | 202 | ||||
| -rw-r--r-- | tools/drmemory/scripts/logging_utils.py | 82 | ||||
| -rw-r--r-- | tools/drmemory/scripts/path_utils.py | 84 | ||||
| -rw-r--r-- | tools/drmemory/scripts/pdfium_tests.bat | 24 | ||||
| -rw-r--r-- | tools/drmemory/scripts/pdfium_tests.py | 370 | ||||
| -rw-r--r-- | tools/drmemory/scripts/valgrind_test.py | 770 |
8 files changed, 1784 insertions, 0 deletions
diff --git a/tools/drmemory/DrMemory-Windows-sfx.exe b/tools/drmemory/DrMemory-Windows-sfx.exe Binary files differnew file mode 100644 index 0000000000..ffe3e663e0 --- /dev/null +++ b/tools/drmemory/DrMemory-Windows-sfx.exe diff --git a/tools/drmemory/scripts/common.py b/tools/drmemory/scripts/common.py new file mode 100644 index 0000000000..7e163e3c60 --- /dev/null +++ b/tools/drmemory/scripts/common.py @@ -0,0 +1,252 @@ +# Copyright (c) 2012 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +import logging +import platform +import os +import signal +import subprocess +import sys +import time + + +class NotImplementedError(Exception): + pass + + +class TimeoutError(Exception): + pass + + +def RunSubprocessInBackground(proc): + """Runs a subprocess in the background. Returns a handle to the process.""" + logging.info("running %s in the background" % " ".join(proc)) + return subprocess.Popen(proc) + + +def RunSubprocess(proc, timeout=0): + """ Runs a subprocess, until it finishes or |timeout| is exceeded and the + process is killed with taskkill. A |timeout| <= 0 means no timeout. + + Args: + proc: list of process components (exe + args) + timeout: how long to wait before killing, <= 0 means wait forever + """ + + logging.info("running %s, timeout %d sec" % (" ".join(proc), timeout)) + sys.stdout.flush() + sys.stderr.flush() + + # Manually read and print out stdout and stderr. + # By default, the subprocess is supposed to inherit these from its parent, + # however when run under buildbot, it seems unable to read data from a + # grandchild process, so we have to read the child and print the data as if + # it came from us for buildbot to read it. We're not sure why this is + # necessary. + # TODO(erikkay): should we buffer stderr and stdout separately? + p = subprocess.Popen(proc, universal_newlines=True, + bufsize=0, # unbuffered + stdout=subprocess.PIPE, stderr=subprocess.STDOUT) + + logging.info("started subprocess") + + did_timeout = False + if timeout > 0: + wait_until = time.time() + timeout + while p.poll() is None and not did_timeout: + # Have to use readline rather than readlines() or "for line in p.stdout:", + # otherwise we get buffered even with bufsize=0. + line = p.stdout.readline() + while line and not did_timeout: + sys.stdout.write(line) + sys.stdout.flush() + line = p.stdout.readline() + if timeout > 0: + did_timeout = time.time() > wait_until + + if did_timeout: + logging.info("process timed out") + else: + logging.info("process ended, did not time out") + + if did_timeout: + if IsWindows(): + subprocess.call(["taskkill", "/T", "/F", "/PID", str(p.pid)]) + else: + # Does this kill all children, too? + os.kill(p.pid, signal.SIGINT) + logging.error("KILLED %d" % p.pid) + # Give the process a chance to actually die before continuing + # so that cleanup can happen safely. + time.sleep(1.0) + logging.error("TIMEOUT waiting for %s" % proc[0]) + raise TimeoutError(proc[0]) + else: + for line in p.stdout: + sys.stdout.write(line) + if not IsMac(): # stdout flush fails on Mac + logging.info("flushing stdout") + sys.stdout.flush() + + logging.info("collecting result code") + result = p.poll() + if result: + logging.error("%s exited with non-zero result code %d" % (proc[0], result)) + return result + + +def IsLinux(): + return sys.platform.startswith('linux') + + +def IsMac(): + return sys.platform.startswith('darwin') + + +def IsWindows(): + return sys.platform == 'cygwin' or sys.platform.startswith('win') + + +def WindowsVersionName(): + """Returns the name of the Windows version if it is known, or None. + + Possible return values are: xp, vista, 7, 8, or None + """ + if sys.platform == 'cygwin': + # Windows version number is hiding in system name. Looks like: + # CYGWIN_NT-6.1-WOW64 + try: + version_str = platform.uname()[0].split('-')[1] + except: + return None + elif sys.platform.startswith('win'): + # Normal Windows version string. Mine: 6.1.7601 + version_str = platform.version() + else: + return None + + parts = version_str.split('.') + try: + major = int(parts[0]) + minor = int(parts[1]) + except: + return None # Can't parse, unknown version. + + if major == 5: + return 'xp' + elif major == 6 and minor == 0: + return 'vista' + elif major == 6 and minor == 1: + return '7' + elif major == 6 and minor == 2: + return '8' # Future proof. ;) + return None + + +def PlatformNames(): + """Return an array of string to be used in paths for the platform + (e.g. suppressions, gtest filters, ignore files etc.) + The first element of the array describes the 'main' platform + """ + if IsLinux(): + return ['linux'] + if IsMac(): + return ['mac'] + if IsWindows(): + names = ['win32'] + version_name = WindowsVersionName() + if version_name is not None: + names.append('win-%s' % version_name) + return names + raise NotImplementedError('Unknown platform "%s".' % sys.platform) + + +def PutEnvAndLog(env_name, env_value): + os.putenv(env_name, env_value) + logging.info('export %s=%s', env_name, env_value) + +def BoringCallers(mangled, use_re_wildcards): + """Return a list of 'boring' function names (optinally mangled) + with */? wildcards (optionally .*/.). + Boring = we drop off the bottom of stack traces below such functions. + """ + + need_mangling = [ + # Don't show our testing framework: + ("testing::Test::Run", "_ZN7testing4Test3RunEv"), + ("testing::TestInfo::Run", "_ZN7testing8TestInfo3RunEv"), + ("testing::internal::Handle*ExceptionsInMethodIfSupported*", + "_ZN7testing8internal3?Handle*ExceptionsInMethodIfSupported*"), + + # Depend on scheduling: + ("MessageLoop::Run", "_ZN11MessageLoop3RunEv"), + ("MessageLoop::RunTask", "_ZN11MessageLoop7RunTask*"), + ("RunnableMethod*", "_ZN14RunnableMethod*"), + ("DispatchToMethod*", "_Z*16DispatchToMethod*"), + ("base::internal::Invoker*::DoInvoke*", + "_ZN4base8internal8Invoker*DoInvoke*"), # Invoker{1,2,3} + ("base::internal::RunnableAdapter*::Run*", + "_ZN4base8internal15RunnableAdapter*Run*"), + ] + + ret = [] + for pair in need_mangling: + ret.append(pair[1 if mangled else 0]) + + ret += [ + # Also don't show the internals of libc/pthread. + "start_thread", + "main", + "BaseThreadInitThunk", + ] + + if use_re_wildcards: + for i in range(0, len(ret)): + ret[i] = ret[i].replace('*', '.*').replace('?', '.') + + return ret + +def NormalizeWindowsPath(path): + """If we're using Cygwin Python, turn the path into a Windows path. + + Don't turn forward slashes into backslashes for easier copy-pasting and + escaping. + + TODO(rnk): If we ever want to cut out the subprocess invocation, we can use + _winreg to get the root Cygwin directory from the registry key: + HKEY_LOCAL_MACHINE\SOFTWARE\Cygwin\setup\rootdir. + """ + if sys.platform.startswith("cygwin"): + p = subprocess.Popen(["cygpath", "-m", path], + stdout=subprocess.PIPE, + stderr=subprocess.PIPE) + (out, err) = p.communicate() + if err: + logging.warning("WARNING: cygpath error: %s", err) + return out.strip() + else: + return path + +############################ +# Common output format code + +def PrintUsedSuppressionsList(suppcounts): + """ Prints out the list of used suppressions in a format common to all the + memory tools. If the list is empty, prints nothing and returns False, + otherwise True. + + suppcounts: a dictionary of used suppression counts, + Key -> name, Value -> count. + """ + if not suppcounts: + return False + + print "-----------------------------------------------------" + print "Suppressions used:" + print " count name" + for (name, count) in sorted(suppcounts.items(), key=lambda (k,v): (v,k)): + print "%7d %s" % (count, name) + print "-----------------------------------------------------" + sys.stdout.flush() + return True diff --git a/tools/drmemory/scripts/drmemory_analyze.py b/tools/drmemory/scripts/drmemory_analyze.py new file mode 100644 index 0000000000..29fc0ed4b0 --- /dev/null +++ b/tools/drmemory/scripts/drmemory_analyze.py @@ -0,0 +1,202 @@ +#!/usr/bin/env python +# Copyright (c) 2011 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +# drmemory_analyze.py + +''' Given a Dr. Memory output file, parses errors and uniques them.''' + +from collections import defaultdict +import common +import hashlib +import logging +import optparse +import os +import re +import subprocess +import sys +import time + +class DrMemoryError: + def __init__(self, report, suppression, testcase): + self._report = report + self._testcase = testcase + + # Chromium-specific transformations of the suppressions: + # Replace 'any_test.exe' and 'chrome.dll' with '*', then remove the + # Dr.Memory-generated error ids from the name= lines as they don't + # make sense in a multiprocess report. + supp_lines = suppression.split("\n") + for l in xrange(len(supp_lines)): + if supp_lines[l].startswith("name="): + supp_lines[l] = "name=<insert_a_suppression_name_here>" + if supp_lines[l].startswith("chrome.dll!"): + supp_lines[l] = supp_lines[l].replace("chrome.dll!", "*!") + bang_index = supp_lines[l].find("!") + d_exe_index = supp_lines[l].find(".exe!") + if bang_index >= 4 and d_exe_index + 4 == bang_index: + supp_lines[l] = "*" + supp_lines[l][bang_index:] + self._suppression = "\n".join(supp_lines) + + def __str__(self): + output = "" + output += "### BEGIN MEMORY TOOL REPORT (error hash=#%016X#)\n" % \ + self.ErrorHash() + output += self._report + "\n" + if self._testcase: + output += "The report came from the `%s` test.\n" % self._testcase + output += "Suppression (error hash=#%016X#):\n" % self.ErrorHash() + output += (" For more info on using suppressions see " + "http://dev.chromium.org/developers/how-tos/using-drmemory#TOC-Suppressing-error-reports-from-the-\n") + output += "{\n%s\n}\n" % self._suppression + output += "### END MEMORY TOOL REPORT (error hash=#%016X#)\n" % \ + self.ErrorHash() + return output + + # This is a device-independent hash identifying the suppression. + # By printing out this hash we can find duplicate reports between tests and + # different shards running on multiple buildbots + def ErrorHash(self): + return int(hashlib.md5(self._suppression).hexdigest()[:16], 16) + + def __hash__(self): + return hash(self._suppression) + + def __eq__(self, rhs): + return self._suppression == rhs + + +class DrMemoryAnalyzer: + ''' Given a set of Dr.Memory output files, parse all the errors out of + them, unique them and output the results.''' + + def __init__(self): + self.known_errors = set() + self.error_count = 0; + + def ReadLine(self): + self.line_ = self.cur_fd_.readline() + + def ReadSection(self): + result = [self.line_] + self.ReadLine() + while len(self.line_.strip()) > 0: + result.append(self.line_) + self.ReadLine() + return result + + def ParseReportFile(self, filename, testcase): + ret = [] + + # First, read the generated suppressions file so we can easily lookup a + # suppression for a given error. + supp_fd = open(filename.replace("results", "suppress"), 'r') + generated_suppressions = {} # Key -> Error #, Value -> Suppression text. + for line in supp_fd: + # NOTE: this regexp looks fragile. Might break if the generated + # suppression format slightly changes. + m = re.search("# Suppression for Error #([0-9]+)", line.strip()) + if not m: + continue + error_id = int(m.groups()[0]) + assert error_id not in generated_suppressions + # OK, now read the next suppression: + cur_supp = "" + for supp_line in supp_fd: + if supp_line.startswith("#") or supp_line.strip() == "": + break + cur_supp += supp_line + generated_suppressions[error_id] = cur_supp.strip() + supp_fd.close() + + self.cur_fd_ = open(filename, 'r') + while True: + self.ReadLine() + if (self.line_ == ''): break + + match = re.search("^Error #([0-9]+): (.*)", self.line_) + if match: + error_id = int(match.groups()[0]) + self.line_ = match.groups()[1].strip() + "\n" + report = "".join(self.ReadSection()).strip() + suppression = generated_suppressions[error_id] + ret.append(DrMemoryError(report, suppression, testcase)) + + if re.search("SUPPRESSIONS USED:", self.line_): + self.ReadLine() + while self.line_.strip() != "": + line = self.line_.strip() + (count, name) = re.match(" *([0-9\?]+)x(?: \(.*?\))?: (.*)", + line).groups() + if (count == "?"): + # Whole-module have no count available: assume 1 + count = 1 + else: + count = int(count) + self.used_suppressions[name] += count + self.ReadLine() + + if self.line_.startswith("ASSERT FAILURE"): + ret.append(self.line_.strip()) + + self.cur_fd_.close() + return ret + + def Report(self, filenames, testcase, check_sanity): + sys.stdout.flush() + # TODO(timurrrr): support positive tests / check_sanity==True + self.used_suppressions = defaultdict(int) + + to_report = [] + reports_for_this_test = set() + for f in filenames: + cur_reports = self.ParseReportFile(f, testcase) + + # Filter out the reports that were there in previous tests. + for r in cur_reports: + if r in reports_for_this_test: + # A similar report is about to be printed for this test. + pass + elif r in self.known_errors: + # A similar report has already been printed in one of the prev tests. + to_report.append("This error was already printed in some " + "other test, see 'hash=#%016X#'" % r.ErrorHash()) + reports_for_this_test.add(r) + else: + self.known_errors.add(r) + reports_for_this_test.add(r) + to_report.append(r) + + common.PrintUsedSuppressionsList(self.used_suppressions) + + if not to_report: + logging.info("PASS: No error reports found") + return 0 + + sys.stdout.flush() + sys.stderr.flush() + logging.info("Found %i error reports" % len(to_report)) + for report in to_report: + self.error_count += 1 + logging.info("Report #%d\n%s" % (self.error_count, report)) + logging.info("Total: %i error reports" % len(to_report)) + sys.stdout.flush() + return -1 + + +def main(): + '''For testing only. The DrMemoryAnalyze class should be imported instead.''' + parser = optparse.OptionParser("usage: %prog <files to analyze>") + + (options, args) = parser.parse_args() + if len(args) == 0: + parser.error("no filename specified") + filenames = args + + logging.getLogger().setLevel(logging.INFO) + return DrMemoryAnalyzer().Report(filenames, None, False) + + +if __name__ == '__main__': + sys.exit(main()) diff --git a/tools/drmemory/scripts/logging_utils.py b/tools/drmemory/scripts/logging_utils.py new file mode 100644 index 0000000000..ef2d674950 --- /dev/null +++ b/tools/drmemory/scripts/logging_utils.py @@ -0,0 +1,82 @@ +# Copyright (c) 2011 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +''' Utility functions and objects for logging. +''' + +import logging +import sys + +class StdoutStderrHandler(logging.Handler): + ''' Subclass of logging.Handler which outputs to either stdout or stderr + based on a threshold level. + ''' + + def __init__(self, threshold=logging.WARNING, err=sys.stderr, out=sys.stdout): + ''' Args: + threshold: below this logging level messages are sent to stdout, + otherwise they are sent to stderr + err: a stream object that error messages are sent to, defaults to + sys.stderr + out: a stream object that non-error messages are sent to, defaults to + sys.stdout + ''' + logging.Handler.__init__(self) + self._err = logging.StreamHandler(err) + self._out = logging.StreamHandler(out) + self._threshold = threshold + self._last_was_err = False + + def setLevel(self, lvl): + logging.Handler.setLevel(self, lvl) + self._err.setLevel(lvl) + self._out.setLevel(lvl) + + def setFormatter(self, formatter): + logging.Handler.setFormatter(self, formatter) + self._err.setFormatter(formatter) + self._out.setFormatter(formatter) + + def emit(self, record): + if record.levelno < self._threshold: + self._out.emit(record) + self._last_was_err = False + else: + self._err.emit(record) + self._last_was_err = False + + def flush(self): + # preserve order on the flushing, the stalest stream gets flushed first + if self._last_was_err: + self._out.flush() + self._err.flush() + else: + self._err.flush() + self._out.flush() + + +FORMAT = "%(asctime)s %(filename)s [%(levelname)s] %(message)s" +DATEFMT = "%H:%M:%S" + +def config_root(level=logging.INFO, threshold=logging.WARNING, format=FORMAT, + datefmt=DATEFMT): + ''' Configure the root logger to use a StdoutStderrHandler and some default + formatting. + Args: + level: messages below this level are ignored + threshold: below this logging level messages are sent to stdout, + otherwise they are sent to stderr + format: format for log messages, see logger.Format + datefmt: format for date in log messages + + ''' + # to set the handler of the root logging object, we need to do setup + # manually rather than using basicConfig + root = logging.getLogger() + root.setLevel(level) + formatter = logging.Formatter(format, datefmt) + handler = StdoutStderrHandler(threshold=threshold) + handler.setLevel(level) + handler.setFormatter(formatter) + root.addHandler(handler) diff --git a/tools/drmemory/scripts/path_utils.py b/tools/drmemory/scripts/path_utils.py new file mode 100644 index 0000000000..6ab4312043 --- /dev/null +++ b/tools/drmemory/scripts/path_utils.py @@ -0,0 +1,84 @@ +# Copyright (c) 2011 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +"""Some utility methods for getting and manipulating paths.""" + +# TODO(pamg): Have the buildbot use these, too. + + +import errno +import os +import sys + +class PathNotFound(Exception): pass + +def ScriptDir(): + """Get the full path to the directory containing the current script.""" + script_filename = os.path.abspath(sys.argv[0]) + return os.path.dirname(script_filename) + +def FindAncestor(start_dir, ancestor): + """Finds an ancestor dir in a path. + + For example, FindAncestor('c:\foo\bar\baz', 'bar') would return + 'c:\foo\bar'. Unlike FindUpward*, this only looks at direct path ancestors. + """ + start_dir = os.path.abspath(start_dir) + path = start_dir + while True: + (parent, tail) = os.path.split(path) + if tail == ancestor: + return path + if not tail: + break + path = parent + raise PathNotFound("Unable to find ancestor %s in %s" % (ancestor, start_dir)) + +def FindUpwardParent(start_dir, *desired_list): + """Finds the desired object's parent, searching upward from the start_dir. + + Searches start_dir and all its parents looking for the desired directory + or file, which may be given in one or more path components. Returns the + first directory in which the top desired path component was found, or raises + PathNotFound if it wasn't. + """ + desired_path = os.path.join(*desired_list) + last_dir = '' + cur_dir = start_dir + found_path = os.path.join(cur_dir, desired_path) + while not os.path.exists(found_path): + last_dir = cur_dir + cur_dir = os.path.dirname(cur_dir) + if last_dir == cur_dir: + raise PathNotFound('Unable to find %s above %s' % + (desired_path, start_dir)) + found_path = os.path.join(cur_dir, desired_path) + # Strip the entire original desired path from the end of the one found + # and remove a trailing path separator, if present. + found_path = found_path[:len(found_path) - len(desired_path)] + if found_path.endswith(os.sep): + found_path = found_path[:len(found_path) - 1] + return found_path + + +def FindUpward(start_dir, *desired_list): + """Returns a path to the desired directory or file, searching upward. + + Searches start_dir and all its parents looking for the desired directory + or file, which may be given in one or more path components. Returns the full + path to the desired object, or raises PathNotFound if it wasn't found. + """ + parent = FindUpwardParent(start_dir, *desired_list) + return os.path.join(parent, *desired_list) + + +def MaybeMakeDirectory(*path): + """Creates an entire path, if it doesn't already exist.""" + file_path = os.path.join(*path) + try: + os.makedirs(file_path) + except OSError, e: + # errno.EEXIST is "File exists". If we see another error, re-raise. + if e.errno != errno.EEXIST: + raise diff --git a/tools/drmemory/scripts/pdfium_tests.bat b/tools/drmemory/scripts/pdfium_tests.bat new file mode 100644 index 0000000000..4618a0e945 --- /dev/null +++ b/tools/drmemory/scripts/pdfium_tests.bat @@ -0,0 +1,24 @@ +@echo off
+:: Copyright (c) 2011 The Chromium Authors. All rights reserved.
+:: Use of this source code is governed by a BSD-style license that can be
+:: found in the LICENSE file.
+
+set THISDIR=%~dp0
+set TOOL_NAME="drmemory_full"
+
+:: Set up DRMEMORY_COMMAND to invoke Dr. Memory {{{1
+set DRMEMORY_PATH=%THISDIR%..
+set DRMEMORY_SFX=%DRMEMORY_PATH%\drmemory-windows-sfx.exe
+if EXIST %DRMEMORY_SFX% GOTO DRMEMORY_BINARY_OK
+echo "Can't find Dr. Memory executables."
+echo "See http://www.chromium.org/developers/how-tos/using-valgrind/dr-memory"
+echo "for the instructions on how to get them."
+exit /B 1
+
+:DRMEMORY_BINARY_OK
+%DRMEMORY_SFX% -o%DRMEMORY_PATH%\unpacked -y
+set DRMEMORY_COMMAND=%DRMEMORY_PATH%\unpacked\bin\drmemory.exe
+:: }}}
+
+:RUN_TESTS
+python %THISDIR%/pdfium_tests.py %*
diff --git a/tools/drmemory/scripts/pdfium_tests.py b/tools/drmemory/scripts/pdfium_tests.py new file mode 100644 index 0000000000..6cc7d57f53 --- /dev/null +++ b/tools/drmemory/scripts/pdfium_tests.py @@ -0,0 +1,370 @@ +#!/usr/bin/env python +# Copyright (c) 2012 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +''' Runs various chrome tests through valgrind_test.py.''' + +import glob +import logging +import optparse +import os +import subprocess +import sys + +import logging_utils +import path_utils + +import common +import valgrind_test + +class TestNotFound(Exception): pass + +class MultipleGTestFiltersSpecified(Exception): pass + +class BuildDirNotFound(Exception): pass + +class BuildDirAmbiguous(Exception): pass + +class ExecutableNotFound(Exception): pass + +class BadBinary(Exception): pass + +class ChromeTests: + SLOW_TOOLS = ["drmemory"] + + def __init__(self, options, args, test): + if ':' in test: + (self._test, self._gtest_filter) = test.split(':', 1) + else: + self._test = test + self._gtest_filter = options.gtest_filter + + if self._test not in self._test_list: + raise TestNotFound("Unknown test: %s" % test) + + if options.gtest_filter and options.gtest_filter != self._gtest_filter: + raise MultipleGTestFiltersSpecified("Can not specify both --gtest_filter " + "and --test %s" % test) + + self._options = options + self._args = args + + script_dir = path_utils.ScriptDir() + # Compute the top of the tree (the "source dir") from the script dir (where + # this script lives). We assume that the script dir is in tools/valgrind/ + # relative to the top of the tree. + self._source_dir = os.path.dirname(os.path.dirname(script_dir)) + # since this path is used for string matching, make sure it's always + # an absolute Unix-style path + self._source_dir = os.path.abspath(self._source_dir).replace('\\', '/') + valgrind_test_script = os.path.join(script_dir, "valgrind_test.py") + self._command_preamble = ["--source-dir=%s" % (self._source_dir)] + + if not self._options.build_dir: + dirs = [ + os.path.join(self._source_dir, "xcodebuild", "Debug"), + os.path.join(self._source_dir, "out", "Debug"), + os.path.join(self._source_dir, "build", "Debug"), + ] + build_dir = [d for d in dirs if os.path.isdir(d)] + if len(build_dir) > 1: + raise BuildDirAmbiguous("Found more than one suitable build dir:\n" + "%s\nPlease specify just one " + "using --build-dir" % ", ".join(build_dir)) + elif build_dir: + self._options.build_dir = build_dir[0] + else: + self._options.build_dir = None + + if self._options.build_dir: + build_dir = os.path.abspath(self._options.build_dir) + self._command_preamble += ["--build-dir=%s" % (self._options.build_dir)] + + def _EnsureBuildDirFound(self): + if not self._options.build_dir: + raise BuildDirNotFound("Oops, couldn't find a build dir, please " + "specify it manually using --build-dir") + + def _DefaultCommand(self, tool, exe=None, valgrind_test_args=None): + '''Generates the default command array that most tests will use.''' + if exe and common.IsWindows(): + exe += '.exe' + + cmd = list(self._command_preamble) + + # Find all suppressions matching the following pattern: + # tools/valgrind/TOOL/suppressions[_PLATFORM].txt + # and list them with --suppressions= prefix. + script_dir = path_utils.ScriptDir() + tool_name = tool.ToolName(); + suppression_file = os.path.join(script_dir, tool_name, "suppressions.txt") + if os.path.exists(suppression_file): + cmd.append("--suppressions=%s" % suppression_file) + # Platform-specific suppression + for platform in common.PlatformNames(): + platform_suppression_file = \ + os.path.join(script_dir, tool_name, 'suppressions_%s.txt' % platform) + if os.path.exists(platform_suppression_file): + cmd.append("--suppressions=%s" % platform_suppression_file) + + if self._options.valgrind_tool_flags: + cmd += self._options.valgrind_tool_flags.split(" ") + if self._options.keep_logs: + cmd += ["--keep_logs"] + if valgrind_test_args != None: + for arg in valgrind_test_args: + cmd.append(arg) + if exe: + self._EnsureBuildDirFound() + exe_path = os.path.join(self._options.build_dir, exe) + if not os.path.exists(exe_path): + raise ExecutableNotFound("Couldn't find '%s'" % exe_path) + + # Make sure we don't try to test ASan-built binaries + # with other dynamic instrumentation-based tools. + # TODO(timurrrr): also check TSan and MSan? + # `nm` might not be available, so use try-except. + try: + # Do not perform this check on OS X, as 'nm' on 10.6 can't handle + # binaries built with Clang 3.5+. + if not common.IsMac(): + nm_output = subprocess.check_output(["nm", exe_path]) + if nm_output.find("__asan_init") != -1: + raise BadBinary("You're trying to run an executable instrumented " + "with AddressSanitizer under %s. Please provide " + "an uninstrumented executable." % tool_name) + except OSError: + pass + + cmd.append(exe_path) + # Valgrind runs tests slowly, so slow tests hurt more; show elapased time + # so we can find the slowpokes. + cmd.append("--gtest_print_time") + # Built-in test launcher for gtest-based executables runs tests using + # multiple process by default. Force the single-process mode back. + cmd.append("--single-process-tests") + if self._options.gtest_repeat: + cmd.append("--gtest_repeat=%s" % self._options.gtest_repeat) + if self._options.gtest_shuffle: + cmd.append("--gtest_shuffle") + if self._options.gtest_break_on_failure: + cmd.append("--gtest_break_on_failure") + if self._options.test_launcher_bot_mode: + cmd.append("--test-launcher-bot-mode") + if self._options.test_launcher_total_shards is not None: + cmd.append("--test-launcher-total-shards=%d" % self._options.test_launcher_total_shards) + if self._options.test_launcher_shard_index is not None: + cmd.append("--test-launcher-shard-index=%d" % self._options.test_launcher_shard_index) + return cmd + + def Run(self): + ''' Runs the test specified by command-line argument --test ''' + logging.info("running test %s" % (self._test)) + return self._test_list[self._test](self) + + def _AppendGtestFilter(self, tool, name, cmd): + '''Append an appropriate --gtest_filter flag to the googletest binary + invocation. + If the user passed his own filter mentioning only one test, just use it. + Othewise, filter out tests listed in the appropriate gtest_exclude files. + ''' + if (self._gtest_filter and + ":" not in self._gtest_filter and + "?" not in self._gtest_filter and + "*" not in self._gtest_filter): + cmd.append("--gtest_filter=%s" % self._gtest_filter) + return + + filters = [] + gtest_files_dir = os.path.join(path_utils.ScriptDir(), "gtest_exclude") + + gtest_filter_files = [ + os.path.join(gtest_files_dir, name + ".gtest-%s.txt" % tool.ToolName())] + # Use ".gtest.txt" files only for slow tools, as they now contain + # Valgrind- and Dr.Memory-specific filters. + # TODO(glider): rename the files to ".gtest_slow.txt" + if tool.ToolName() in ChromeTests.SLOW_TOOLS: + gtest_filter_files += [os.path.join(gtest_files_dir, name + ".gtest.txt")] + for platform_suffix in common.PlatformNames(): + gtest_filter_files += [ + os.path.join(gtest_files_dir, name + ".gtest_%s.txt" % platform_suffix), + os.path.join(gtest_files_dir, name + ".gtest-%s_%s.txt" % \ + (tool.ToolName(), platform_suffix))] + logging.info("Reading gtest exclude filter files:") + for filename in gtest_filter_files: + # strip the leading absolute path (may be very long on the bot) + # and the following / or \. + readable_filename = filename.replace("\\", "/") # '\' on Windows + readable_filename = readable_filename.replace(self._source_dir, "")[1:] + if not os.path.exists(filename): + logging.info(" \"%s\" - not found" % readable_filename) + continue + logging.info(" \"%s\" - OK" % readable_filename) + f = open(filename, 'r') + for line in f.readlines(): + if line.startswith("#") or line.startswith("//") or line.isspace(): + continue + line = line.rstrip() + test_prefixes = ["FLAKY", "FAILS"] + for p in test_prefixes: + # Strip prefixes from the test names. + line = line.replace(".%s_" % p, ".") + # Exclude the original test name. + filters.append(line) + if line[-2:] != ".*": + # List all possible prefixes if line doesn't end with ".*". + for p in test_prefixes: + filters.append(line.replace(".", ".%s_" % p)) + # Get rid of duplicates. + filters = set(filters) + gtest_filter = self._gtest_filter + if len(filters): + if gtest_filter: + gtest_filter += ":" + if gtest_filter.find("-") < 0: + gtest_filter += "-" + else: + gtest_filter = "-" + gtest_filter += ":".join(filters) + if gtest_filter: + cmd.append("--gtest_filter=%s" % gtest_filter) + + @staticmethod + def ShowTests(): + test_to_names = {} + for name, test_function in ChromeTests._test_list.iteritems(): + test_to_names.setdefault(test_function, []).append(name) + + name_to_aliases = {} + for names in test_to_names.itervalues(): + names.sort(key=lambda name: len(name)) + name_to_aliases[names[0]] = names[1:] + + print + print "Available tests:" + print "----------------" + for name, aliases in sorted(name_to_aliases.iteritems()): + if aliases: + print " {} (aka {})".format(name, ', '.join(aliases)) + else: + print " {}".format(name) + + def SetupLdPath(self, requires_build_dir): + if requires_build_dir: + self._EnsureBuildDirFound() + elif not self._options.build_dir: + return + + # Append build_dir to LD_LIBRARY_PATH so external libraries can be loaded. + if (os.getenv("LD_LIBRARY_PATH")): + os.putenv("LD_LIBRARY_PATH", "%s:%s" % (os.getenv("LD_LIBRARY_PATH"), + self._options.build_dir)) + else: + os.putenv("LD_LIBRARY_PATH", self._options.build_dir) + + def SimpleTest(self, module, name, valgrind_test_args=None, cmd_args=None): + tool = valgrind_test.CreateTool(self._options.valgrind_tool) + cmd = self._DefaultCommand(tool, name, valgrind_test_args) + self._AppendGtestFilter(tool, name, cmd) + cmd.extend(['--test-tiny-timeout=1000']) + if cmd_args: + cmd.extend(cmd_args) + + self.SetupLdPath(True) + return tool.Run(cmd, module) + + def RunCmdLine(self): + tool = valgrind_test.CreateTool(self._options.valgrind_tool) + cmd = self._DefaultCommand(tool, None, self._args) + self.SetupLdPath(False) + return tool.Run(cmd, None) + + def TestPDFiumUnitTests(self): + return self.SimpleTest("pdfium_unittests", "pdfium_unittests") + + def TestPDFiumEmbedderTests(self): + return self.SimpleTest("pdfium_embeddertests", "pdfium_embeddertests") + + # The known list of tests. + _test_list = { + "cmdline" : RunCmdLine, + "pdfium_unittests": TestPDFiumUnitTests, + "pdfium_embeddertests": TestPDFiumEmbedderTests, + } + + +def _main(): + parser = optparse.OptionParser("usage: %prog -b <dir> -t <test> " + "[-t <test> ...]") + + parser.add_option("--help-tests", dest="help_tests", action="store_true", + default=False, help="List all available tests") + parser.add_option("-b", "--build-dir", + help="the location of the compiler output") + parser.add_option("--target", help="Debug or Release") + parser.add_option("-t", "--test", action="append", default=[], + help="which test to run, supports test:gtest_filter format " + "as well.") + parser.add_option("--gtest_filter", + help="additional arguments to --gtest_filter") + parser.add_option("--gtest_repeat", help="argument for --gtest_repeat") + parser.add_option("--gtest_shuffle", action="store_true", default=False, + help="Randomize tests' orders on every iteration.") + parser.add_option("--gtest_break_on_failure", action="store_true", + default=False, + help="Drop in to debugger on assertion failure. Also " + "useful for forcing tests to exit with a stack dump " + "on the first assertion failure when running with " + "--gtest_repeat=-1") + parser.add_option("-v", "--verbose", action="store_true", default=False, + help="verbose output - enable debug log messages") + parser.add_option("--tool", dest="valgrind_tool", default="drmemory_full", + help="specify a valgrind tool to run the tests under") + parser.add_option("--tool_flags", dest="valgrind_tool_flags", default="", + help="specify custom flags for the selected valgrind tool") + parser.add_option("--keep_logs", action="store_true", default=False, + help="store memory tool logs in the <tool>.logs directory " + "instead of /tmp.\nThis can be useful for tool " + "developers/maintainers.\nPlease note that the <tool>" + ".logs directory will be clobbered on tool startup.") + parser.add_option("--test-launcher-bot-mode", action="store_true", + help="run the tests with --test-launcher-bot-mode") + parser.add_option("--test-launcher-total-shards", type=int, + help="run the tests with --test-launcher-total-shards") + parser.add_option("--test-launcher-shard-index", type=int, + help="run the tests with --test-launcher-shard-index") + + options, args = parser.parse_args() + + # Bake target into build_dir. + if options.target and options.build_dir: + assert (options.target != + os.path.basename(os.path.dirname(options.build_dir))) + options.build_dir = os.path.join(os.path.abspath(options.build_dir), + options.target) + + if options.verbose: + logging_utils.config_root(logging.DEBUG) + else: + logging_utils.config_root() + + if options.help_tests: + ChromeTests.ShowTests() + return 0 + + if not options.test: + parser.error("--test not specified") + + if len(options.test) != 1 and options.gtest_filter: + parser.error("--gtest_filter and multiple tests don't make sense together") + + for t in options.test: + tests = ChromeTests(options, args, t) + ret = tests.Run() + if ret: return ret + return 0 + + +if __name__ == "__main__": + sys.exit(_main()) diff --git a/tools/drmemory/scripts/valgrind_test.py b/tools/drmemory/scripts/valgrind_test.py new file mode 100644 index 0000000000..bde300241c --- /dev/null +++ b/tools/drmemory/scripts/valgrind_test.py @@ -0,0 +1,770 @@ +# Copyright (c) 2012 The Chromium Authors. All rights reserved. +# Use of this source code is governed by a BSD-style license that can be +# found in the LICENSE file. + +"""Runs an exe through Valgrind and puts the intermediate files in a +directory. +""" + +import datetime +import glob +import logging +import optparse +import os +import re +import shutil +import stat +import subprocess +import sys +import tempfile + +import common + +import drmemory_analyze + +class BaseTool(object): + """Abstract class for running dynamic error detection tools. + + Always subclass this and implement ToolCommand with framework- and + tool-specific stuff. + """ + + def __init__(self): + temp_parent_dir = None + self.log_parent_dir = "" + if common.IsWindows(): + # gpu process on Windows Vista+ runs at Low Integrity and can only + # write to certain directories (http://crbug.com/119131) + # + # TODO(bruening): if scripts die in middle and don't clean up temp + # dir, we'll accumulate files in profile dir. should remove + # really old files automatically. + profile = os.getenv("USERPROFILE") + if profile: + self.log_parent_dir = profile + "\\AppData\\LocalLow\\" + if os.path.exists(self.log_parent_dir): + self.log_parent_dir = common.NormalizeWindowsPath(self.log_parent_dir) + temp_parent_dir = self.log_parent_dir + # Generated every time (even when overridden) + self.temp_dir = tempfile.mkdtemp(prefix="vg_logs_", dir=temp_parent_dir) + self.log_dir = self.temp_dir # overridable by --keep_logs + self.option_parser_hooks = [] + # TODO(glider): we may not need some of the env vars on some of the + # platforms. + self._env = { + "G_SLICE" : "always-malloc", + "NSS_DISABLE_UNLOAD" : "1", + "NSS_DISABLE_ARENA_FREE_LIST" : "1", + "GTEST_DEATH_TEST_USE_FORK": "1", + } + + def ToolName(self): + raise NotImplementedError, "This method should be implemented " \ + "in the tool-specific subclass" + + def Analyze(self, check_sanity=False): + raise NotImplementedError, "This method should be implemented " \ + "in the tool-specific subclass" + + def RegisterOptionParserHook(self, hook): + # Frameworks and tools can add their own flags to the parser. + self.option_parser_hooks.append(hook) + + def CreateOptionParser(self): + # Defines Chromium-specific flags. + self._parser = optparse.OptionParser("usage: %prog [options] <program to " + "test>") + self._parser.disable_interspersed_args() + self._parser.add_option("-t", "--timeout", + dest="timeout", metavar="TIMEOUT", default=10000, + help="timeout in seconds for the run (default 10000)") + self._parser.add_option("", "--build-dir", + help="the location of the compiler output") + self._parser.add_option("", "--source-dir", + help="path to top of source tree for this build" + "(used to normalize source paths in baseline)") + self._parser.add_option("", "--gtest_filter", default="", + help="which test case to run") + self._parser.add_option("", "--gtest_repeat", + help="how many times to run each test") + self._parser.add_option("", "--gtest_print_time", action="store_true", + default=False, + help="show how long each test takes") + self._parser.add_option("", "--ignore_exit_code", action="store_true", + default=False, + help="ignore exit code of the test " + "(e.g. test failures)") + self._parser.add_option("", "--keep_logs", action="store_true", + default=False, + help="store memory tool logs in the <tool>.logs " + "directory instead of /tmp.\nThis can be " + "useful for tool developers/maintainers.\n" + "Please note that the <tool>.logs directory " + "will be clobbered on tool startup.") + + # To add framework- or tool-specific flags, please add a hook using + # RegisterOptionParserHook in the corresponding subclass. + # See ValgrindTool for an example. + for hook in self.option_parser_hooks: + hook(self, self._parser) + + def ParseArgv(self, args): + self.CreateOptionParser() + + # self._tool_flags will store those tool flags which we don't parse + # manually in this script. + self._tool_flags = [] + known_args = [] + + """ We assume that the first argument not starting with "-" is a program + name and all the following flags should be passed to the program. + TODO(timurrrr): customize optparse instead + """ + while len(args) > 0 and args[0][:1] == "-": + arg = args[0] + if (arg == "--"): + break + if self._parser.has_option(arg.split("=")[0]): + known_args += [arg] + else: + self._tool_flags += [arg] + args = args[1:] + + if len(args) > 0: + known_args += args + + self._options, self._args = self._parser.parse_args(known_args) + + self._timeout = int(self._options.timeout) + self._source_dir = self._options.source_dir + if self._options.keep_logs: + # log_parent_dir has trailing slash if non-empty + self.log_dir = self.log_parent_dir + "%s.logs" % self.ToolName() + if os.path.exists(self.log_dir): + shutil.rmtree(self.log_dir) + os.mkdir(self.log_dir) + logging.info("Logs are in " + self.log_dir) + + self._ignore_exit_code = self._options.ignore_exit_code + if self._options.gtest_filter != "": + self._args.append("--gtest_filter=%s" % self._options.gtest_filter) + if self._options.gtest_repeat: + self._args.append("--gtest_repeat=%s" % self._options.gtest_repeat) + if self._options.gtest_print_time: + self._args.append("--gtest_print_time") + + return True + + def Setup(self, args): + return self.ParseArgv(args) + + def ToolCommand(self): + raise NotImplementedError, "This method should be implemented " \ + "in the tool-specific subclass" + + def Cleanup(self): + # You may override it in the tool-specific subclass + pass + + def Execute(self): + """ Execute the app to be tested after successful instrumentation. + Full execution command-line provided by subclassers via proc.""" + logging.info("starting execution...") + proc = self.ToolCommand() + for var in self._env: + common.PutEnvAndLog(var, self._env[var]) + return common.RunSubprocess(proc, self._timeout) + + def RunTestsAndAnalyze(self, check_sanity): + exec_retcode = self.Execute() + analyze_retcode = self.Analyze(check_sanity) + + if analyze_retcode: + logging.error("Analyze failed.") + logging.info("Search the log for '[ERROR]' to see the error reports.") + return analyze_retcode + + if exec_retcode: + if self._ignore_exit_code: + logging.info("Test execution failed, but the exit code is ignored.") + else: + logging.error("Test execution failed.") + return exec_retcode + else: + logging.info("Test execution completed successfully.") + + if not analyze_retcode: + logging.info("Analysis completed successfully.") + + return 0 + + def Main(self, args, check_sanity, min_runtime_in_seconds): + """Call this to run through the whole process: Setup, Execute, Analyze""" + start_time = datetime.datetime.now() + retcode = -1 + if self.Setup(args): + retcode = self.RunTestsAndAnalyze(check_sanity) + shutil.rmtree(self.temp_dir, ignore_errors=True) + self.Cleanup() + else: + logging.error("Setup failed") + end_time = datetime.datetime.now() + runtime_in_seconds = (end_time - start_time).seconds + hours = runtime_in_seconds / 3600 + seconds = runtime_in_seconds % 3600 + minutes = seconds / 60 + seconds = seconds % 60 + logging.info("elapsed time: %02d:%02d:%02d" % (hours, minutes, seconds)) + if (min_runtime_in_seconds > 0 and + runtime_in_seconds < min_runtime_in_seconds): + logging.error("Layout tests finished too quickly. " + "It should have taken at least %d seconds. " + "Something went wrong?" % min_runtime_in_seconds) + retcode = -1 + return retcode + + def Run(self, args, module, min_runtime_in_seconds=0): + MODULES_TO_SANITY_CHECK = ["base"] + + check_sanity = module in MODULES_TO_SANITY_CHECK + return self.Main(args, check_sanity, min_runtime_in_seconds) + + +class ValgrindTool(BaseTool): + """Abstract class for running Valgrind tools. + + Always subclass this and implement ToolSpecificFlags() and + ExtendOptionParser() for tool-specific stuff. + """ + def __init__(self): + super(ValgrindTool, self).__init__() + self.RegisterOptionParserHook(ValgrindTool.ExtendOptionParser) + + def UseXML(self): + # Override if tool prefers nonxml output + return True + + def ExtendOptionParser(self, parser): + parser.add_option("", "--suppressions", default=[], + action="append", + help="path to a valgrind suppression file") + parser.add_option("", "--indirect", action="store_true", + default=False, + help="set BROWSER_WRAPPER rather than " + "running valgrind directly") + parser.add_option("", "--indirect_webkit_layout", action="store_true", + default=False, + help="set --wrapper rather than running Dr. Memory " + "directly.") + parser.add_option("", "--trace_children", action="store_true", + default=False, + help="also trace child processes") + parser.add_option("", "--num-callers", + dest="num_callers", default=30, + help="number of callers to show in stack traces") + parser.add_option("", "--generate_dsym", action="store_true", + default=False, + help="Generate .dSYM file on Mac if needed. Slow!") + + def Setup(self, args): + if not BaseTool.Setup(self, args): + return False + if common.IsMac(): + self.PrepareForTestMac() + return True + + def PrepareForTestMac(self): + """Runs dsymutil if needed. + + Valgrind for Mac OS X requires that debugging information be in a .dSYM + bundle generated by dsymutil. It is not currently able to chase DWARF + data into .o files like gdb does, so executables without .dSYM bundles or + with the Chromium-specific "fake_dsym" bundles generated by + build/mac/strip_save_dsym won't give source file and line number + information in valgrind. + + This function will run dsymutil if the .dSYM bundle is missing or if + it looks like a fake_dsym. A non-fake dsym that already exists is assumed + to be up-to-date. + """ + test_command = self._args[0] + dsym_bundle = self._args[0] + '.dSYM' + dsym_file = os.path.join(dsym_bundle, 'Contents', 'Resources', 'DWARF', + os.path.basename(test_command)) + dsym_info_plist = os.path.join(dsym_bundle, 'Contents', 'Info.plist') + + needs_dsymutil = True + saved_test_command = None + + if os.path.exists(dsym_file) and os.path.exists(dsym_info_plist): + # Look for the special fake_dsym tag in dsym_info_plist. + dsym_info_plist_contents = open(dsym_info_plist).read() + + if not re.search('^\s*<key>fake_dsym</key>$', dsym_info_plist_contents, + re.MULTILINE): + # fake_dsym is not set, this is a real .dSYM bundle produced by + # dsymutil. dsymutil does not need to be run again. + needs_dsymutil = False + else: + # fake_dsym is set. dsym_file is a copy of the original test_command + # before it was stripped. Copy it back to test_command so that + # dsymutil has unstripped input to work with. Move the stripped + # test_command out of the way, it will be restored when this is + # done. + saved_test_command = test_command + '.stripped' + os.rename(test_command, saved_test_command) + shutil.copyfile(dsym_file, test_command) + shutil.copymode(saved_test_command, test_command) + + if needs_dsymutil: + if self._options.generate_dsym: + # Remove the .dSYM bundle if it exists. + shutil.rmtree(dsym_bundle, True) + + dsymutil_command = ['dsymutil', test_command] + + # dsymutil is crazy slow. Ideally we'd have a timeout here, + # but common.RunSubprocess' timeout is only checked + # after each line of output; dsymutil is silent + # until the end, and is then killed, which is silly. + common.RunSubprocess(dsymutil_command) + + if saved_test_command: + os.rename(saved_test_command, test_command) + else: + logging.info("No real .dSYM for test_command. Line numbers will " + "not be shown. Either tell xcode to generate .dSYM " + "file, or use --generate_dsym option to this tool.") + + def ToolCommand(self): + """Get the valgrind command to run.""" + # Note that self._args begins with the exe to be run. + tool_name = self.ToolName() + + # Construct the valgrind command. + if 'CHROME_VALGRIND' in os.environ: + path = os.path.join(os.environ['CHROME_VALGRIND'], "bin", "valgrind") + else: + path = "valgrind" + proc = [path, "--tool=%s" % tool_name] + + proc += ["--num-callers=%i" % int(self._options.num_callers)] + + if self._options.trace_children: + proc += ["--trace-children=yes"] + proc += ["--trace-children-skip='*dbus-daemon*'"] + proc += ["--trace-children-skip='*dbus-launch*'"] + proc += ["--trace-children-skip='*perl*'"] + proc += ["--trace-children-skip='*python*'"] + # This is really Python, but for some reason Valgrind follows it. + proc += ["--trace-children-skip='*lsb_release*'"] + + proc += self.ToolSpecificFlags() + proc += self._tool_flags + + suppression_count = 0 + for suppression_file in self._options.suppressions: + if os.path.exists(suppression_file): + suppression_count += 1 + proc += ["--suppressions=%s" % suppression_file] + + if not suppression_count: + logging.warning("WARNING: NOT USING SUPPRESSIONS!") + + logfilename = self.log_dir + ("/%s." % tool_name) + "%p" + if self.UseXML(): + proc += ["--xml=yes", "--xml-file=" + logfilename] + else: + proc += ["--log-file=" + logfilename] + + # The Valgrind command is constructed. + + # Handle --indirect_webkit_layout separately. + if self._options.indirect_webkit_layout: + # Need to create the wrapper before modifying |proc|. + wrapper = self.CreateBrowserWrapper(proc, webkit=True) + proc = self._args + proc.append("--wrapper") + proc.append(wrapper) + return proc + + if self._options.indirect: + wrapper = self.CreateBrowserWrapper(proc) + os.environ["BROWSER_WRAPPER"] = wrapper + logging.info('export BROWSER_WRAPPER=' + wrapper) + proc = [] + proc += self._args + return proc + + def ToolSpecificFlags(self): + raise NotImplementedError, "This method should be implemented " \ + "in the tool-specific subclass" + + def CreateBrowserWrapper(self, proc, webkit=False): + """The program being run invokes Python or something else that can't stand + to be valgrinded, and also invokes the Chrome browser. In this case, use a + magic wrapper to only valgrind the Chrome browser. Build the wrapper here. + Returns the path to the wrapper. It's up to the caller to use the wrapper + appropriately. + """ + command = " ".join(proc) + # Add the PID of the browser wrapper to the logfile names so we can + # separate log files for different UI tests at the analyze stage. + command = command.replace("%p", "$$.%p") + + (fd, indirect_fname) = tempfile.mkstemp(dir=self.log_dir, + prefix="browser_wrapper.", + text=True) + f = os.fdopen(fd, "w") + f.write('#!/bin/bash\n' + 'echo "Started Valgrind wrapper for this test, PID=$$" >&2\n') + + f.write('DIR=`dirname $0`\n' + 'TESTNAME_FILE=$DIR/testcase.$$.name\n\n') + + if webkit: + # Webkit layout_tests pass the URL as the first line of stdin. + f.write('tee $TESTNAME_FILE | %s "$@"\n' % command) + else: + # Try to get the test case name by looking at the program arguments. + # i.e. Chromium ui_tests used --test-name arg. + # TODO(timurrrr): This doesn't handle "--test-name Test.Name" + # TODO(timurrrr): ui_tests are dead. Where do we use the non-webkit + # wrapper now? browser_tests? What do they do? + f.write('for arg in $@\ndo\n' + ' if [[ "$arg" =~ --test-name=(.*) ]]\n then\n' + ' echo ${BASH_REMATCH[1]} >$TESTNAME_FILE\n' + ' fi\n' + 'done\n\n' + '%s "$@"\n' % command) + + f.close() + os.chmod(indirect_fname, stat.S_IRUSR|stat.S_IXUSR) + return indirect_fname + + def CreateAnalyzer(self): + raise NotImplementedError, "This method should be implemented " \ + "in the tool-specific subclass" + + def GetAnalyzeResults(self, check_sanity=False): + # Glob all the files in the log directory + filenames = glob.glob(self.log_dir + "/" + self.ToolName() + ".*") + + # If we have browser wrapper, the logfiles are named as + # "toolname.wrapper_PID.valgrind_PID". + # Let's extract the list of wrapper_PIDs and name it ppids + ppids = set([int(f.split(".")[-2]) \ + for f in filenames if re.search("\.[0-9]+\.[0-9]+$", f)]) + + analyzer = self.CreateAnalyzer() + if len(ppids) == 0: + # Fast path - no browser wrapper was set. + return analyzer.Report(filenames, None, check_sanity) + + ret = 0 + for ppid in ppids: + testcase_name = None + try: + f = open(self.log_dir + ("/testcase.%d.name" % ppid)) + testcase_name = f.read().strip() + f.close() + wk_layout_prefix="third_party/WebKit/LayoutTests/" + wk_prefix_at = testcase_name.rfind(wk_layout_prefix) + if wk_prefix_at != -1: + testcase_name = testcase_name[wk_prefix_at + len(wk_layout_prefix):] + except IOError: + pass + print "=====================================================" + print " Below is the report for valgrind wrapper PID=%d." % ppid + if testcase_name: + print " It was used while running the `%s` test." % testcase_name + else: + print " You can find the corresponding test" + print " by searching the above log for 'PID=%d'" % ppid + sys.stdout.flush() + + ppid_filenames = [f for f in filenames \ + if re.search("\.%d\.[0-9]+$" % ppid, f)] + # check_sanity won't work with browser wrappers + assert check_sanity == False + ret |= analyzer.Report(ppid_filenames, testcase_name) + print "=====================================================" + sys.stdout.flush() + + if ret != 0: + print "" + print "The Valgrind reports are grouped by test names." + print "Each test has its PID printed in the log when the test was run" + print "and at the beginning of its Valgrind report." + print "Hint: you can search for the reports by Ctrl+F -> `=#`" + sys.stdout.flush() + + return ret + +class DrMemory(BaseTool): + """Dr.Memory + Dynamic memory error detector for Windows. + + http://dev.chromium.org/developers/how-tos/using-drmemory + It is not very mature at the moment, some things might not work properly. + """ + + def __init__(self, full_mode, pattern_mode): + super(DrMemory, self).__init__() + self.full_mode = full_mode + self.pattern_mode = pattern_mode + self.RegisterOptionParserHook(DrMemory.ExtendOptionParser) + + def ToolName(self): + return "drmemory" + + def ExtendOptionParser(self, parser): + parser.add_option("", "--suppressions", default=[], + action="append", + help="path to a drmemory suppression file") + parser.add_option("", "--follow_python", action="store_true", + default=False, dest="follow_python", + help="Monitor python child processes. If off, neither " + "python children nor any children of python children " + "will be monitored.") + parser.add_option("", "--indirect", action="store_true", + default=False, + help="set BROWSER_WRAPPER rather than " + "running Dr. Memory directly on the harness") + parser.add_option("", "--indirect_webkit_layout", action="store_true", + default=False, + help="set --wrapper rather than running valgrind " + "directly.") + parser.add_option("", "--use_debug", action="store_true", + default=False, dest="use_debug", + help="Run Dr. Memory debug build") + parser.add_option("", "--trace_children", action="store_true", + default=True, + help="TODO: default value differs from Valgrind") + + def ToolCommand(self): + """Get the tool command to run.""" + # WINHEAP is what Dr. Memory supports as there are issues w/ both + # jemalloc (https://github.com/DynamoRIO/drmemory/issues/320) and + # tcmalloc (https://github.com/DynamoRIO/drmemory/issues/314) + add_env = { + "CHROME_ALLOCATOR" : "WINHEAP", + "JSIMD_FORCEMMX" : "1", # https://github.com/DynamoRIO/drmemory/issues/540 + } + for k,v in add_env.iteritems(): + logging.info("export %s=%s", k, v) + os.putenv(k, v) + + drmem_cmd = os.getenv("DRMEMORY_COMMAND") + if not drmem_cmd: + raise RuntimeError, "Please set DRMEMORY_COMMAND environment variable " \ + "with the path to drmemory.exe" + proc = drmem_cmd.split(" ") + + # By default, don't run python (this will exclude python's children as well) + # to reduce runtime. We're not really interested in spending time finding + # bugs in the python implementation. + # With file-based config we must update the file every time, and + # it will affect simultaneous drmem uses by this user. While file-based + # config has many advantages, here we may want this-instance-only + # (https://github.com/DynamoRIO/drmemory/issues/334). + drconfig_cmd = [ proc[0].replace("drmemory.exe", "drconfig.exe") ] + drconfig_cmd += ["-quiet"] # suppress errors about no 64-bit libs + run_drconfig = True + if self._options.follow_python: + logging.info("Following python children") + # -unreg fails if not already registered so query for that first + query_cmd = drconfig_cmd + ["-isreg", "python.exe"] + query_proc = subprocess.Popen(query_cmd, stdout=subprocess.PIPE, + shell=True) + (query_out, query_err) = query_proc.communicate() + if re.search("exe not registered", query_out): + run_drconfig = False # all set + else: + drconfig_cmd += ["-unreg", "python.exe"] + else: + logging.info("Excluding python children") + drconfig_cmd += ["-reg", "python.exe", "-norun"] + if run_drconfig: + drconfig_retcode = common.RunSubprocess(drconfig_cmd, self._timeout) + if drconfig_retcode: + logging.error("Configuring whether to follow python children failed " \ + "with %d.", drconfig_retcode) + raise RuntimeError, "Configuring python children failed " + + suppression_count = 0 + supp_files = self._options.suppressions + if self.full_mode: + supp_files += [s.replace(".txt", "_full.txt") for s in supp_files] + for suppression_file in supp_files: + if os.path.exists(suppression_file): + suppression_count += 1 + proc += ["-suppress", common.NormalizeWindowsPath(suppression_file)] + + if not suppression_count: + logging.warning("WARNING: NOT USING SUPPRESSIONS!") + + # Un-comment to dump Dr.Memory events on error + #proc += ["-dr_ops", "-dumpcore_mask", "-dr_ops", "0x8bff"] + + # Un-comment and comment next line to debug Dr.Memory + #proc += ["-dr_ops", "-no_hide"] + #proc += ["-dr_ops", "-msgbox_mask", "-dr_ops", "15"] + #Proc += ["-dr_ops", "-stderr_mask", "-dr_ops", "15"] + # Ensure we see messages about Dr. Memory crashing! + proc += ["-dr_ops", "-stderr_mask", "-dr_ops", "12"] + + if self._options.use_debug: + proc += ["-debug"] + + proc += ["-logdir", common.NormalizeWindowsPath(self.log_dir)] + + if self.log_parent_dir: + # gpu process on Windows Vista+ runs at Low Integrity and can only + # write to certain directories (http://crbug.com/119131) + symcache_dir = os.path.join(self.log_parent_dir, "drmemory.symcache") + elif self._options.build_dir: + # The other case is only possible with -t cmdline. + # Anyways, if we omit -symcache_dir the -logdir's value is used which + # should be fine. + symcache_dir = os.path.join(self._options.build_dir, "drmemory.symcache") + if symcache_dir: + if not os.path.exists(symcache_dir): + try: + os.mkdir(symcache_dir) + except OSError: + logging.warning("Can't create symcache dir?") + if os.path.exists(symcache_dir): + proc += ["-symcache_dir", common.NormalizeWindowsPath(symcache_dir)] + + # Use -no_summary to suppress DrMemory's summary and init-time + # notifications. We generate our own with drmemory_analyze.py. + proc += ["-batch", "-no_summary"] + + # Un-comment to disable interleaved output. Will also suppress error + # messages normally printed to stderr. + #proc += ["-quiet", "-no_results_to_stderr"] + + proc += ["-callstack_max_frames", "40"] + + # disable leak scan for now + proc += ["-no_count_leaks", "-no_leak_scan"] + + # disable warnings about unaddressable prefetches + proc += ["-no_check_prefetch"] + + # crbug.com/413215, no heap mismatch check for Windows release build binary + if common.IsWindows() and "Release" in self._options.build_dir: + proc += ["-no_check_delete_mismatch"] + + # make callstacks easier to read + proc += ["-callstack_srcfile_prefix", + "build\\src,chromium\\src,crt_build\\self_x86"] + proc += ["-callstack_modname_hide", + "*drmemory*,chrome.dll"] + + boring_callers = common.BoringCallers(mangled=False, use_re_wildcards=False) + # TODO(timurrrr): In fact, we want "starting from .." instead of "below .." + proc += ["-callstack_truncate_below", ",".join(boring_callers)] + + if self.pattern_mode: + proc += ["-pattern", "0xf1fd", "-no_count_leaks", "-redzone_size", "0x20"] + elif not self.full_mode: + proc += ["-light"] + + proc += self._tool_flags + + # Dr.Memory requires -- to separate tool flags from the executable name. + proc += ["--"] + + if self._options.indirect or self._options.indirect_webkit_layout: + wrapper_path = os.path.join(self._source_dir, + "tools", "valgrind", "browser_wrapper_win.py") + wrapper = " ".join(["python", wrapper_path] + proc) + self.CreateBrowserWrapper(wrapper) + logging.info("browser wrapper = " + " ".join(proc)) + if self._options.indirect_webkit_layout: + proc = self._args + # Layout tests want forward slashes. + wrapper = wrapper.replace('\\', '/') + proc += ["--wrapper", wrapper] + return proc + else: + proc = [] + + # Note that self._args begins with the name of the exe to be run. + self._args[0] = common.NormalizeWindowsPath(self._args[0]) + proc += self._args + return proc + + def CreateBrowserWrapper(self, command): + os.putenv("BROWSER_WRAPPER", command) + + def Analyze(self, check_sanity=False): + # Use one analyzer for all the log files to avoid printing duplicate reports + # + # TODO(timurrrr): unify this with Valgrind and other tools when we have + # https://github.com/DynamoRIO/drmemory/issues/684 + analyzer = drmemory_analyze.DrMemoryAnalyzer() + + ret = 0 + if not self._options.indirect and not self._options.indirect_webkit_layout: + filenames = glob.glob(self.log_dir + "/*/results.txt") + + ret = analyzer.Report(filenames, None, check_sanity) + else: + testcases = glob.glob(self.log_dir + "/testcase.*.logs") + # If we have browser wrapper, the per-test logdirs are named as + # "testcase.wrapper_PID.name". + # Let's extract the list of wrapper_PIDs and name it ppids. + # NOTE: ppids may contain '_', i.e. they are not ints! + ppids = set([f.split(".")[-2] for f in testcases]) + + for ppid in ppids: + testcase_name = None + try: + f = open("%s/testcase.%s.name" % (self.log_dir, ppid)) + testcase_name = f.read().strip() + f.close() + except IOError: + pass + print "=====================================================" + print " Below is the report for drmemory wrapper PID=%s." % ppid + if testcase_name: + print " It was used while running the `%s` test." % testcase_name + else: + # TODO(timurrrr): hm, the PID line is suppressed on Windows... + print " You can find the corresponding test" + print " by searching the above log for 'PID=%s'" % ppid + sys.stdout.flush() + ppid_filenames = glob.glob("%s/testcase.%s.logs/*/results.txt" % + (self.log_dir, ppid)) + ret |= analyzer.Report(ppid_filenames, testcase_name, False) + print "=====================================================" + sys.stdout.flush() + + logging.info("Please see http://dev.chromium.org/developers/how-tos/" + "using-drmemory for the info on Dr. Memory") + return ret + + +class ToolFactory: + def Create(self, tool_name): + if tool_name == "drmemory" or tool_name == "drmemory_light": + # TODO(timurrrr): remove support for "drmemory" when buildbots are + # switched to drmemory_light OR make drmemory==drmemory_full the default + # mode when the tool is mature enough. + return DrMemory(False, False) + if tool_name == "drmemory_full": + return DrMemory(True, False) + if tool_name == "drmemory_pattern": + return DrMemory(False, True) + try: + platform_name = common.PlatformNames()[0] + except common.NotImplementedError: + platform_name = sys.platform + "(Unknown)" + raise RuntimeError, "Unknown tool (tool=%s, platform=%s)" % (tool_name, + platform_name) + +def CreateTool(tool): + return ToolFactory().Create(tool) |