Example #1
0
def need_to_measure(region):
    if utils.is_invalid(region):
        return False

    if utils.trace_exists(region):
        return False

    return True
Example #2
0
def need_to_measure(region):
    if utils.is_invalid(region):
        return False

    if utils.trace_exists(region):
        return False

    return True
Example #3
0
def run(args):
    if not cere_configure.init():
        return False

    if not check_arguments(args):
        return False

    # Find loops to trace
    regions = find_regions_to_trace(args)

    # When force is off, filter already measured regions
    if not args.force:
        regions = [r for r in regions if need_to_measure(r)]

    result = True

    # Are there any regions to trace ?
    if len(regions) == 0:
        logger.info("No regions to trace")
    else:
        result = launch_trace(args, regions)

    # Move trace files to cere_measures
    if not args.norun:
        for region in regions:
            try:
                shutil.move("{0}.bin".format(region), var.CERE_TRACES_PATH)
                shutil.move("{0}.csv".format(region), var.CERE_TRACES_PATH)
            except IOError as err:
                logger.error(str(err))
                logger.error(
                    "Trace failed for region {0}: No output files, maybe the selected region does not exist."
                    .format(region))
                utils.mark_invalid(region, cere_error.ETRACE)
                result = False

    # If read is used, read given invocation from trace file
    if args.read and utils.trace_exists(args.region):
        base_name = "{0}/{1}".format(var.CERE_TRACES_PATH, args.region)
        trace = parse_trace_file(base_name + '.bin')
        cycles = int(trace['cycles'][trace['invocations'] == args.read])
        print(cycles)

    return result
Example #4
0
def run(args):
    if not cere_configure.init():
        return False

    if not check_arguments(args):
        return False

    # Find loops to trace
    regions = find_regions_to_trace(args)

    # When force is off, filter already measured regions
    if not args.force:
        regions = [r for r in regions if need_to_measure(r)]

    result = True

    # Are there any regions to trace ?
    if len(regions) == 0:
        logger.info("No regions to trace")
    else:
        result = launch_trace(args, regions)

    # Move trace files to cere_measures
    if not args.norun:
        for region in regions:
            try:
                shutil.move("{0}.bin".format(region), var.CERE_TRACES_PATH)
                shutil.move("{0}.csv".format(region), var.CERE_TRACES_PATH)
            except IOError as err:
                logger.error(str(err))
                logger.error("Trace failed for region {0}: No output files, maybe the selected region does not exist.".format(region))
                utils.mark_invalid(region, cere_error.ETRACE)
                result = False

    # If read is used, read given invocation from trace file
    if args.read and utils.trace_exists(args.region):
        base_name = "{0}/{1}".format(var.CERE_TRACES_PATH, args.region)
        trace = parse_trace_file(base_name + '.bin')
        cycles = int(trace['cycles'][trace['invocations'] == args.read])
        print(cycles)

    return result
Example #5
0
def run(args):
    if not cere_configure.init():
        return False

    invocation_file = os.path.join(var.CERE_TRACES_PATH, args.region+".invocations")

    if os.path.isfile(invocation_file) and not args.force:
        logger.info("Invocations already selected for {0}. If you want to reselect use -f".format(args.region, invocation_file))
        return True
    if not utils.trace_exists(args.region):
        logger.error("No trace for {0}.\n\
                     Please first run cere trace --region={0}".format(args.region))
        return False
    bin_file = os.path.join(var.CERE_TRACES_PATH, args.region+".bin")
    csv_file = os.path.join(var.CERE_TRACES_PATH, args.region+".csv")

    clusterize_invocations(args.region, csv_file, bin_file)
    try:
        shutil.move("{0}.invocations".format(args.region), "{0}/{1}.invocations".format(var.CERE_TRACES_PATH, args.region))
    except IOError as err:
        logger.error(str(err))
        return False
    return True