x/kloudbuster
Code Issues Proposed changes

Reduce precision to 2 digits, use batch HdrHistogram API

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Change-Id: I155ea087ae338758b9ee31ec8349aee1b1448995
This commit is contained in:
Yichen Wang 2015-07-21 15:15:31 -07:00
parent 485bc0ecf6
commit edefeac214
2 changed files with 8 additions and 6 deletions
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2
scale/dib/elements/kloudbuster/static/kb_test/kb_vm_agent.py
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@ -88,7 +88,7 @@ class KB_Instance(object):
report_interval): report_interval):
if not rate_limit: if not rate_limit:
rate_limit = 65535 rate_limit = 65535
cmd = '%s -t%d -c%d -R%d -d%ds -p%ds --timeout %ds -j %s' % \ cmd = '%s -t%d -c%d -R%d -d%ds -p%ds --timeout %ds -D2 -j %s' % \
(dest_path, threads, connections, rate_limit, duration, (dest_path, threads, connections, rate_limit, duration,
report_interval, timeout, target_url) report_interval, timeout, target_url)
return cmd return cmd

12
scale/wrk_tool.py
View File

@ -36,7 +36,7 @@ class WrkTool(PerfTool):
duration_sec = self.instance.config.http_tool_configs.duration duration_sec = self.instance.config.http_tool_configs.duration
if not rate_limit: if not rate_limit:
rate_limit = 65535 rate_limit = 65535
cmd = '%s -t%d -c%d -R%d -d%ds --timeout %ds -j %s' % \ cmd = '%s -t%d -c%d -R%d -d%ds --timeout %ds -D2 -j %s' % \
(self.dest_path, threads, connections, rate_limit, (self.dest_path, threads, connections, rate_limit,
duration_sec, timeout, target_url) duration_sec, timeout, target_url)
LOG.kbdebug("[%s] %s" % (self.instance.vm_name, cmd)) LOG.kbdebug("[%s] %s" % (self.instance.vm_name, cmd))
@ -126,12 +126,14 @@ class WrkTool(PerfTool):
# for item in results: # for item in results:
# print item['results']['latency_stats'] # print item['results']['latency_stats']
all_res['latency_stats'] = [] all_res['latency_stats'] = []
histogram = HdrHistogram(1, 3600 * 1000 * 1000, 3) histogram = HdrHistogram(1, 3600 * 1000 * 1000, 2)
for item in results: for item in results:
histogram.add_bucket_counts(item['results']['latency_stats']) histogram.add_bucket_counts(item['results']['latency_stats'])
for perc in [50, 75, 90, 99, 99.9, 99.99, 99.999]: perc_list = [50, 75, 90, 99, 99.9, 99.99, 99.999]
latency_tup = [perc, histogram.get_value_at_percentile(perc)] latency_dict = histogram.get_percentile_to_value_dict(perc_list)
all_res['latency_stats'].append(latency_tup) for key, value in latency_dict.iteritems():
all_res['latency_stats'].append([key, value])
all_res['latency_stats'].sort()
return all_res return all_res