Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Adds a tool to analyze the output from the readwrite and roundtrip tools. The output format is similar to the output from siege.
- Loading branch information
Showing
3 changed files
with
143 additions
and
0 deletions.
There are no files selected for viewing
Empty file.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,142 @@ | ||
#!/usr/bin/python | ||
import sys | ||
import os | ||
import yaml | ||
import optparse | ||
|
||
NANOSECONDS = int(1e9) | ||
|
||
# Output stats in a format similar to siege | ||
# see http://www.joedog.org/index/siege-home | ||
OUTPUT_FORMAT = """Stats for type: [{type}] | ||
Transactions: {trans:>11} hits | ||
Availability: {avail:>11.2f} % | ||
Elapsed time: {elapsed:>11.2f} secs | ||
Data transferred: {data:>11.2f} MB | ||
Response time: {resp_time:>11.2f} secs | ||
Transaction rate: {trans_rate:>11.2f} trans/sec | ||
Throughput: {data_rate:>11.2f} MB/sec | ||
Concurrency: {conc:>11.2f} | ||
Successful transactions: {trans_success:>11} | ||
Failed transactions: {trans_fail:>11} | ||
Longest transaction: {trans_long:>11.2f} | ||
Shortest transaction: {trans_short:>11.2f} | ||
""" | ||
|
||
def parse_options(): | ||
usage = "usage: %prog [options]" | ||
parser = optparse.OptionParser(usage=usage) | ||
parser.add_option( | ||
"-f", "--file", dest="input", metavar="FILE", | ||
help="Name of input YAML file. Default uses sys.stdin") | ||
parser.add_option( | ||
"-v", "--verbose", dest="verbose", action="store_true", | ||
help="Enable verbose output") | ||
|
||
(options, args) = parser.parse_args() | ||
|
||
if not options.input and os.isatty(sys.stdin.fileno()): | ||
parser.error("option -f required if no data is provided " | ||
"in stdin") | ||
|
||
return (options, args) | ||
|
||
def main(): | ||
(options, args) = parse_options() | ||
|
||
total = {} | ||
durations = {} | ||
min_time = {} | ||
max_time = {} | ||
errors = {} | ||
success = {} | ||
|
||
calculate_stats(options, total, durations, min_time, max_time, errors, | ||
success) | ||
print_results(total, durations, min_time, max_time, errors, success) | ||
|
||
def calculate_stats(options, total, durations, min_time, max_time, errors, | ||
success): | ||
print 'Calculating statistics...' | ||
|
||
f = sys.stdin | ||
if options.input: | ||
f = file(options.input, 'r') | ||
|
||
for item in yaml.safe_load_all(f): | ||
type_ = item.get('type') | ||
if type_ not in ('r', 'w'): | ||
continue # ignore any invalid items | ||
|
||
if 'error' in item: | ||
errors[type_] = errors.get(type_, 0) + 1 | ||
continue # skip rest of analysis for this item | ||
else: | ||
success[type_] = success.get(type_, 0) + 1 | ||
|
||
# parse the item | ||
data_size = item['chunks'][-1][0] | ||
duration = item['duration'] | ||
start = item['start'] | ||
end = start + duration / float(NANOSECONDS) | ||
|
||
if options.verbose: | ||
print "[{type}] POSIX time: {start:>18.2f} - {end:<18.2f} " \ | ||
"{data:>11.2f} KB".format( | ||
type=type_, | ||
start=start, | ||
end=end, | ||
data=data_size / 1024.0, # convert to KB | ||
) | ||
|
||
# update time boundaries | ||
prev = min_time.setdefault(type_, start) | ||
if start < prev: | ||
min_time[type_] = start | ||
prev = max_time.setdefault(type_, end) | ||
if end > prev: | ||
max_time[type_] = end | ||
|
||
# save the duration | ||
if type_ not in durations: | ||
durations[type_] = [] | ||
durations[type_].append(duration) | ||
|
||
# add to running totals | ||
total[type_] = total.get(type_, 0) + data_size | ||
|
||
def print_results(total, durations, min_time, max_time, errors, success): | ||
for type_ in total.keys(): | ||
trans_success = success.get(type_, 0) | ||
trans_fail = errors.get(type_, 0) | ||
trans = trans_success + trans_fail | ||
avail = trans_success * 100.0 / trans | ||
elapsed = max_time[type_] - min_time[type_] | ||
data = total[type_] / 1024.0 / 1024.0 # convert to MB | ||
resp_time = sum(durations[type_]) / float(NANOSECONDS) / \ | ||
len(durations[type_]) | ||
trans_rate = trans / elapsed | ||
data_rate = data / elapsed | ||
conc = trans_rate * resp_time | ||
trans_long = max(durations[type_]) / float(NANOSECONDS) | ||
trans_short = min(durations[type_]) / float(NANOSECONDS) | ||
|
||
print OUTPUT_FORMAT.format( | ||
type=type_, | ||
trans_success=trans_success, | ||
trans_fail=trans_fail, | ||
trans=trans, | ||
avail=avail, | ||
elapsed=elapsed, | ||
data=data, | ||
resp_time=resp_time, | ||
trans_rate=trans_rate, | ||
data_rate=data_rate, | ||
conc=conc, | ||
trans_long=trans_long, | ||
trans_short=trans_short, | ||
) | ||
|
||
if __name__ == '__main__': | ||
main() | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters