mirror of
https://github.com/ceph/s3-tests.git
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aaf4219d8d
Adds a tool to analyze the output from the readwrite and roundtrip tools. The output format is similar to the output from siege.
142 lines
4.5 KiB
Python
142 lines
4.5 KiB
Python
#!/usr/bin/python
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import sys
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import os
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import yaml
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import optparse
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NANOSECONDS = int(1e9)
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# Output stats in a format similar to siege
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# see http://www.joedog.org/index/siege-home
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OUTPUT_FORMAT = """Stats for type: [{type}]
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Transactions: {trans:>11} hits
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Availability: {avail:>11.2f} %
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Elapsed time: {elapsed:>11.2f} secs
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Data transferred: {data:>11.2f} MB
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Response time: {resp_time:>11.2f} secs
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Transaction rate: {trans_rate:>11.2f} trans/sec
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Throughput: {data_rate:>11.2f} MB/sec
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Concurrency: {conc:>11.2f}
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Successful transactions: {trans_success:>11}
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Failed transactions: {trans_fail:>11}
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Longest transaction: {trans_long:>11.2f}
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Shortest transaction: {trans_short:>11.2f}
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"""
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def parse_options():
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usage = "usage: %prog [options]"
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parser = optparse.OptionParser(usage=usage)
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parser.add_option(
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"-f", "--file", dest="input", metavar="FILE",
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help="Name of input YAML file. Default uses sys.stdin")
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parser.add_option(
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"-v", "--verbose", dest="verbose", action="store_true",
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help="Enable verbose output")
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(options, args) = parser.parse_args()
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if not options.input and os.isatty(sys.stdin.fileno()):
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parser.error("option -f required if no data is provided "
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"in stdin")
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return (options, args)
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def main():
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(options, args) = parse_options()
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total = {}
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durations = {}
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min_time = {}
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max_time = {}
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errors = {}
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success = {}
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calculate_stats(options, total, durations, min_time, max_time, errors,
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success)
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print_results(total, durations, min_time, max_time, errors, success)
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def calculate_stats(options, total, durations, min_time, max_time, errors,
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success):
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print 'Calculating statistics...'
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f = sys.stdin
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if options.input:
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f = file(options.input, 'r')
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for item in yaml.safe_load_all(f):
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type_ = item.get('type')
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if type_ not in ('r', 'w'):
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continue # ignore any invalid items
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if 'error' in item:
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errors[type_] = errors.get(type_, 0) + 1
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continue # skip rest of analysis for this item
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else:
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success[type_] = success.get(type_, 0) + 1
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# parse the item
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data_size = item['chunks'][-1][0]
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duration = item['duration']
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start = item['start']
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end = start + duration / float(NANOSECONDS)
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if options.verbose:
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print "[{type}] POSIX time: {start:>18.2f} - {end:<18.2f} " \
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"{data:>11.2f} KB".format(
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type=type_,
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start=start,
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end=end,
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data=data_size / 1024.0, # convert to KB
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)
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# update time boundaries
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prev = min_time.setdefault(type_, start)
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if start < prev:
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min_time[type_] = start
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prev = max_time.setdefault(type_, end)
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if end > prev:
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max_time[type_] = end
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# save the duration
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if type_ not in durations:
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durations[type_] = []
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durations[type_].append(duration)
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# add to running totals
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total[type_] = total.get(type_, 0) + data_size
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def print_results(total, durations, min_time, max_time, errors, success):
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for type_ in total.keys():
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trans_success = success.get(type_, 0)
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trans_fail = errors.get(type_, 0)
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trans = trans_success + trans_fail
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avail = trans_success * 100.0 / trans
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elapsed = max_time[type_] - min_time[type_]
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data = total[type_] / 1024.0 / 1024.0 # convert to MB
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resp_time = sum(durations[type_]) / float(NANOSECONDS) / \
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len(durations[type_])
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trans_rate = trans / elapsed
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data_rate = data / elapsed
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conc = trans_rate * resp_time
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trans_long = max(durations[type_]) / float(NANOSECONDS)
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trans_short = min(durations[type_]) / float(NANOSECONDS)
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print OUTPUT_FORMAT.format(
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type=type_,
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trans_success=trans_success,
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trans_fail=trans_fail,
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trans=trans,
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avail=avail,
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elapsed=elapsed,
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data=data,
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resp_time=resp_time,
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trans_rate=trans_rate,
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data_rate=data_rate,
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conc=conc,
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trans_long=trans_long,
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trans_short=trans_short,
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)
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if __name__ == '__main__':
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main()
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