Exemplo n.º 1
0
def memstats_cmd(args):
    """Memory Usage Statistics program implementation"""
    parser = OptionParser("%prog memstats [options] file [file]",
                          add_help_option=0)
    parser.add_option("-H", "--help", action="help")
    parser.add_option("-x", "--xml", action="store_true", dest="output_xml",
                      help="Produces an XML file containing memory statistics" \
                           " in the same directory as the supplied ELF.")
    parser.add_option("-y",
                      "--verify",
                      action="store_true",
                      dest="verify_xml",
                      help="Verify the XML file.")
    parser.add_option("-r", "--report", action="store", dest="report",
                      metavar="NAME",
                      help="Parse a memory statistics XML file and output "\
                           "the named report.  Valid reports are: '%s'." %
                      "', '".join(REPORTS_SET.keys()))
    parser.add_option("-v",
                      "--verbose",
                      action="store_true",
                      dest="verbose_report",
                      help="Produce the verbose form of the requested report.")
    parser.add_option("-l", "--largest-num", action="store",
                      dest="n_objs", type="int",
                      help="Print, at most, the largest N_OBJS " \
                           "text and code objects.")
    parser.add_option("-d",
                      "--diff",
                      action="store_true",
                      dest="output_diff",
                      help="Used on a report, to indicate there are two "
                      "files and the differences should be reported.")
    parser.add_option("-R",
                      "--repository",
                      action="store",
                      dest="repository",
                      default=None,
                      help="Include the version control repository in the "
                      "XML file.")
    parser.add_option("-c",
                      "--changeset",
                      action="store",
                      dest="changeset",
                      default=None,
                      help="Include the version control changeset in the "
                      "XML file.")

    (options, args) = parser.parse_args(args)

    IdList.reset()
    Heap.reset()

    if len(args) < 1 or args[0] is "":
        parser.error("Missing file argument(s)")

    input_file = args[0]

    if not os.path.exists(input_file):
        print >> sys.stderr, 'Error: File "%s" does not exist.' % input_file
        return 1

    if options.output_xml:
        elf = PreparedElfFile(filename=input_file)

        if not elf.segments:
            print >> sys.stderr, \
                  'Error: ELF file "%s" contains no segments.' % input_file
            return 1

    if options.output_diff and not options.report:
        parser.error("Diff only makes sense on a report.")
        return

    # -x implies input is an ELF
    # -t implies input is XML
    if options.output_xml:
        notes_sec = notes.find_elfweaver_notes(elf)
        memstats = Memstats(elf.machine, notes_sec.cpu, notes_sec.poolname,
                            notes_sec.memsecs, notes_sec.cell_names,
                            notes_sec.space_names, notes_sec.mappings)
        programs = []
        parse_segments(elf, programs, elf.segments, memstats)

        xml_file = os.path.join(os.path.dirname(input_file), "memstats.xml")

        hg_stats = (options.repository, options.changeset)
        memstats.set_revision(hg_stats)

        kern_ver = check_api_versions(elf)

        if kern_ver == MICRO_KERNEL_API_VERSION:
            memstats.env.env_type = "Micro"
            import weaver.kernel_micro_elf
            script = weaver.kernel_micro_elf.find_init_script(elf, memstats)
        elif kern_ver == NANO_KERNEL_API_VERSION:
            memstats.env.env_type = "Nano"
            import weaver.kernel_nano_elf
            heap = weaver.kernel_nano_elf.find_nano_heap(elf)
            heap.decode(memstats)
        else:
            print >> sys.stderr, "Unknown kernel type."
            return 1

        xml_f = open(xml_file, "w")
        xml_f.write(memstats.format())
        xml_f.close()

        if options.verify_xml:
            xml_verify(xml_file)

    if options.report:
        if options.output_xml:
            input_file = xml_file

        if options.output_diff:
            if len(args) != 2:
                parser.error("Report diffs require two files.")

            diff_file = args[1]

            if options.verify_xml:
                xml_verify(input_file)
                xml_verify(diff_file)

            gen_diff_report(options.report, input_file, diff_file,
                            options.n_objs, options.verbose_report)
        else:
            if options.verify_xml:
                xml_verify(input_file)

            gen_report(options.report, input_file, options.n_objs,
                       options.verbose_report)
Exemplo n.º 2
0
def memstats_cmd(args):
    """Memory Usage Statistics program implementation"""
    parser = OptionParser("%prog memstats [options] file [file]",
                          add_help_option=0)
    parser.add_option("-H", "--help", action="help")
    parser.add_option("-x", "--xml", action="store_true", dest="output_xml",
                      help="Produces an XML file containing memory statistics" \
                           " in the same directory as the supplied ELF.")
    parser.add_option("-y", "--verify", action="store_true", dest="verify_xml",
                      help="Verify the XML file.")
    parser.add_option("-r", "--report", action="store", dest="report",
                      metavar="NAME",
                      help="Parse a memory statistics XML file and output "\
                           "the named report.  Valid reports are: '%s'." %
                      "', '".join(REPORTS_SET.keys()))
    parser.add_option("-v", "--verbose", action="store_true",
                      dest="verbose_report",
                      help="Produce the verbose form of the requested report.")
    parser.add_option("-l", "--largest-num", action="store",
                      dest="n_objs", type="int",
                      help="Print, at most, the largest N_OBJS " \
                           "text and code objects.")
    parser.add_option("-d", "--diff", action="store_true", dest="output_diff",
                      help="Used on a report, to indicate there are two "
                      "files and the differences should be reported.")
    parser.add_option("-R", "--repository", action="store",
                      dest="repository", default=None,
                      help="Include the version control repository in the "
                      "XML file.")
    parser.add_option("-c", "--changeset", action="store",
                      dest="changeset", default=None,
                      help="Include the version control changeset in the "
                      "XML file.")

    (options, args) = parser.parse_args(args)

    IdList.reset()
    Heap.reset()

    if len(args) < 1 or args[0] is "":
        parser.error("Missing file argument(s)")

    input_file = args[0]

    if not os.path.exists(input_file):
        print >> sys.stderr, 'Error: File "%s" does not exist.' % input_file
        return 1

    if options.output_xml:
        elf = PreparedElfFile(filename=input_file)

        if not elf.segments:
            print >> sys.stderr, \
                  'Error: ELF file "%s" contains no segments.' % input_file
            return 1

    if options.output_diff and not options.report:
        parser.error("Diff only makes sense on a report.")
        return

    # -x implies input is an ELF
    # -t implies input is XML
    if options.output_xml:
        notes_sec = notes.find_elfweaver_notes(elf)
        memstats = Memstats(elf.machine,
                            notes_sec.cpu,
                            notes_sec.poolname,
                            notes_sec.memsecs,
                            notes_sec.cell_names,
                            notes_sec.space_names,
                            notes_sec.mappings)
        programs = []
        parse_segments(elf, programs, elf.segments, memstats)

        xml_file = os.path.join(os.path.dirname(input_file), "memstats.xml")

        hg_stats = (options.repository, options.changeset)
        memstats.set_revision(hg_stats)

        kern_ver = check_api_versions(elf)

        if kern_ver == MICRO_KERNEL_API_VERSION:
            memstats.env.env_type = "Micro"
            import weaver.kernel_micro_elf
            script = weaver.kernel_micro_elf.find_init_script(elf, memstats)
        elif kern_ver == NANO_KERNEL_API_VERSION:
            memstats.env.env_type = "Nano"
            import weaver.kernel_nano_elf
            heap = weaver.kernel_nano_elf.find_nano_heap(elf)
            heap.decode(memstats)
        else:
            print >> sys.stderr, "Unknown kernel type."
            return 1

        xml_f = open(xml_file, "w")
        xml_f.write(memstats.format())
        xml_f.close()

        if options.verify_xml:
            xml_verify(xml_file)

    if options.report:
        if options.output_xml:
            input_file = xml_file

        if options.output_diff:
            if len(args) != 2:
                parser.error("Report diffs require two files.")

            diff_file = args[1]

            if options.verify_xml:
                xml_verify(input_file)
                xml_verify(diff_file)

            gen_diff_report(options.report,
                            input_file,
                            diff_file,
                            options.n_objs,
                            options.verbose_report)
        else:
            if options.verify_xml:
                xml_verify(input_file)

            gen_report(options.report,
                       input_file,
                       options.n_objs,
                       options.verbose_report)
Exemplo n.º 3
0
def xml_verify(target):
    """Pass the XML file through xmllint"""
    os.system('xmllint --path "tools/pyelf/dtd ../../dtd ../dtd" '\
               '-o /dev/null --valid %s' % target)


def gen_report(reportname, xml_file, n_objs, verbose):
    """Generate the named report from a given XML file"""
    try:
        parsed = Memstats_el.parse_xml_file(xml_file)
    except EzXMLError, text:
        print >> sys.stderr, text
        sys.exit(1)

    if REPORTS_SET.has_key(reportname):
        report = REPORTS_SET[reportname](parsed)
        report.generate(n_objs, verbose)
    else:
        print >> sys.stderr, 'Error: "%s" is not a valid report name.' % \
              reportname
        print >> sys.stderr, 'Valid report names are:'

        for rep in REPORTS_SET:
            print >> sys.stderr, '  ' + rep

        sys.exit(1)


def gen_diff_report(reportname, xml_file, diff_xml_file, n_objs, verbose):
    """Generate a diff version of the named report from the given XML files"""
Exemplo n.º 4
0
    return prog

def xml_verify(target):
    """Pass the XML file through xmllint"""
    os.system('xmllint --path "tools/pyelf/dtd ../../dtd ../dtd" '\
               '-o /dev/null --valid %s' % target)

def gen_report(reportname, xml_file, n_objs, verbose):
    """Generate the named report from a given XML file"""
    try:
        parsed = Memstats_el.parse_xml_file(xml_file)
    except EzXMLError, text:
        print >> sys.stderr, text
        sys.exit(1)

    if REPORTS_SET.has_key(reportname):
        report = REPORTS_SET[reportname](parsed)
        report.generate(n_objs, verbose)
    else:
        print >> sys.stderr, 'Error: "%s" is not a valid report name.' % \
              reportname
        print >> sys.stderr, 'Valid report names are:'

        for rep in REPORTS_SET:
            print >> sys.stderr, '  ' + rep

        sys.exit(1)

def gen_diff_report(reportname, xml_file, diff_xml_file, n_objs, verbose):
    """Generate a diff version of the named report from the given XML files"""
    try: