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Commit c45a6fa3 authored by Jim Fulton's avatar Jim Fulton
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Added url summary statistics. 

Added HTML output that makes it easy to jump from a URL shown in a
minute detail to the statistics for that URL.
parent b21b1d6b
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Showing with 250 additions and 15 deletions
utilities/tracelog.py
View file @ c45a6fa3
......@@ -11,15 +11,15 @@
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Yet another trace log analysis tool
"""Yet another lag analysis tool
$Id$
"""
import datetime, optparse, sys
class Request:
output_bytes = '-'
......@@ -52,6 +52,60 @@ class Request:
def total_seconds(self):
return (self.end - self.start).seconds
class Times:
tid = 1l
def __init__(self):
self.times = []
self.hangs = 0
Times.tid += 1
self.tid = Times.tid # generate a unique id
def finished(self, request):
self.times.append(request.app_seconds)
def hung(self):
self.hangs += 1
def impact(self):
times = self.times
if not times:
self.median = self.mean = self.impact = 0
return 0
self.times.sort()
n = len(times)
if n % 2:
m = times[(n+1)/2-1]
else:
m = .5 * (times[n/2]+times[n/2-1])
self.median = m
self.mean = sum(times)/n
self.impact = self.mean * (n+self.hangs)
return self.impact
def __str__(self):
times = self.times
if not times:
return " 0 %5d" % (
self.hangs)
n = len(times)
m = self.median
return "%9.1f %5d %6.0f %6.2f %6.2f %6.0f %5d" % (
self.impact, n, times[0], m, self.mean, times[-1], self.hangs)
def html(self):
times = self.times
if not times:
print td('', 0, '', '', '', '', self.hangs)
else:
n = len(times)
m = self.median
impact = '<a name="u%s">%s' % (self.tid, self.impact)
print td(impact, n, times[0], m, self.mean, times[-1],
self.hangs)
def parsedt(s):
date, time = s.split('T')
return datetime.datetime(*(
......@@ -72,12 +126,30 @@ def main(args=None):
restarts.append(datetime.datetime.utcnow()+datetime.timedelta(1000))
if options.html:
print_app_requests = print_app_requests_html
output_minute = output_minute_html
output_stats = output_stats_html
minutes_header = minutes_header_html
minutes_footer = minutes_footer_html
print '<html title="trace log statistics"><body>'
else:
print_app_requests = print_app_requests_text
output_minute = output_minute_text
output_stats = output_stats_text
minutes_header = minutes_header_text
minutes_footer = minutes_footer_text
urls = {}
[file] = args
lmin = ldt = None
requests = {}
input = apps = output = n = 0
spr = spa = 0.0
restart = restarts.pop(0)
minutes_header()
remove_prefix = options.remove_prefix
for record in open(file):
record = record.split()
typ, rid, dt = record[:3]
......@@ -89,7 +161,9 @@ def main(args=None):
print_app_requests(requests, ldt,
options.old_requests,
options.app_requests,
urls,
"\nLeft over:")
record_hung(urls, requests)
requests = {}
input = apps = output = n = 0
spr = spa = 0.0
......@@ -98,18 +172,12 @@ def main(args=None):
if min != lmin:
if lmin is not None:
print lmin.replace('T', ' '), "%4d I=%3d A=%3d O=%3d " % (
len(requests), input, apps, output),
if n:
print "N=%4d %10.2f %10.2f" % (n, spr/n, spa/n)
else:
print
output_minute(lmin, requests, input, apps, output, n, spr, spa)
if apps > options.apps:
print_app_requests(requests, dt,
options.old_requests,
options.app_requests,
urls,
)
lmin = min
spr = 0.0
......@@ -117,8 +185,23 @@ def main(args=None):
n = 0
if typ == 'B':
if rid in requests:
request = requests[rid]
if request.state == 'output':
output -= 1
elif request.state == 'app':
apps -= 1
else:
input -= 1
input += 1
requests[rid] = Request(dt, *record[3:5])
request = Request(dt, *record[3:5])
if remove_prefix and request.url.startswith(remove_prefix):
request.url = request.url[len(remove_prefix):]
requests[rid] = request
times = urls.get(request.url)
if times is None:
times = urls[request.url] = Times()
elif typ == 'I':
if rid in requests:
input -= 1
......@@ -137,14 +220,100 @@ def main(args=None):
spr += request.total_seconds
spa += request.app_seconds
n += 1
times = urls[request.url]
times.finished(request)
else:
print 'WTF', record
print_app_requests(requests, dt,
options.old_requests,
options.app_requests,
urls,
"Left over:")
minutes_footer()
output_stats(urls)
if options.html:
print '</body></html>'
def output_stats_text(urls):
print
print 'URL statistics:'
print " Impact count min median mean max hangs"
print "========= ===== ====== ====== ====== ====== ====="
urls = [(times.impact(), url, times)
for (url, times) in urls.iteritems()
]
urls.sort()
urls.reverse()
for (_, url, times) in urls:
if times.impact > 0 or times.hangs:
print times, url
def output_stats_html(urls):
print
print 'URL statistics:'
print '<table border="1">'
print '<tr><th>Impact</th><th>count</th><th>min</th>'
print '<th>median</th><th>mean</th><th>max</th><th>hangs</th></tr>'
urls = [(times.impact(), url, times)
for (url, times) in urls.iteritems()
]
urls.sort()
urls.reverse()
for (_, url, times) in urls:
if times.impact > 0 or times.hangs:
print '<tr>'
times.html()
print td(url)
print '</tr>'
print '</table>'
def minutes_header_text():
print
print " minute req input app output"
print "================ ===== ===== ===== ======"
def minutes_footer_text():
print
def minutes_header_html():
print '<table border="2">'
print "<tr>"
print '<th>Minute</th>'
print '<th>Requests</th>'
print '<th>Resquests inputing</th>'
print '<th>Resquests executing or waiting</th>'
print '<th>Resquests outputing</th>'
print '<th>Resquests completed</th>'
print '<th>Mean Seconds Per Request Total</th>'
print '<th>Mean Seconds Per Request in App</th>'
print "</tr>"
def minutes_footer_html():
print '</table>'
def output_minute_text(lmin, requests, input, apps, output, n, spr, spa):
print lmin.replace('T', ' '), "%5d I=%3d A=%3d O=%5d " % (
len(requests), input, apps, output),
if n:
print "N=%4d %10.2f %10.2f" % (n, spr/n, spa/n)
else:
print
def td(*values):
return ''.join([("<td>%s</td>" % s) for s in values])
def output_minute_html(lmin, requests, input, apps, output, n, spr, spa):
print '<tr>'
apps = '<font size="+2"><strong>%s</strong></font>' % apps
print td(lmin.replace('T', ' '), len(requests), input, apps, output)
if n:
print td(n, "%10.2f" % (spr/n), "%10.2f" % (spa/n))
print '</tr>'
def find_restarts(event_log):
result = []
for l in open(event_log):
......@@ -152,12 +321,25 @@ def find_restarts(event_log):
result.append(parsedt(l.split()[0]))
return result
def print_app_requests(requests, dt, min_seconds, max_requests, label=''):
def record_hung(urls, requests):
for request in requests.itervalues():
times = urls.get(request.url)
if times is None:
times = urls[request.url] = Times()
times.hung()
def print_app_requests_text(requests, dt, min_seconds, max_requests, urls,
label=''):
requests = [
((dt-request.input_time).seconds, request)
for request in requests.values()
if request.state == 'app'
]
urls = {}
for s, request in requests:
urls[request.url] = urls.get(request.url, 0) + 1
requests.sort()
requests.reverse()
for s, request in requests[:max_requests]:
......@@ -166,7 +348,51 @@ def print_app_requests(requests, dt, min_seconds, max_requests, label=''):
if label:
print label
label = ''
print s, request.url
url = request.url
repeat = urls[url]
if repeat > 1:
print s, "R=%d" % repeat, url
else:
print s, url
def print_app_requests_html(requests, dt, min_seconds, max_requests, allurls,
label=''):
requests = [
((dt-request.input_time).seconds, request)
for request in requests.values()
if request.state == 'app'
]
urls = {}
for s, request in requests:
urls[request.url] = urls.get(request.url, 0) + 1
requests.sort()
requests.reverse()
printed = False
for s, request in requests[:max_requests]:
if s < min_seconds:
continue
if label:
print label
label = ''
if not printed:
minutes_footer_html()
print '<table border="1">'
print '<tr><th>age</th><th>R</th><th>url</th></tr>'
printed = True
url = request.url
repeat = urls[url]
print '<tr>'
if repeat <= 1:
repeat = ''
url = '<a href="#u%s">%s</a>' % (allurls[url].tid, url)
print td(s, repeat, url)
print '</tr>'
if printed:
print '</table>'
minutes_header_html()
parser = optparse.OptionParser("""
Usage: %prog [options] trace_log_file
......@@ -216,6 +442,15 @@ parser.add_option("--event-log", "-e", dest='event_log',
The name of an event log that goes with the trace log. This is used
to determine when the server is restarted, so that the running trace data structures can be reinitialized.
""")
parser.add_option("--html", dest='html', action='store_true',
help="""
The name of an event log that goes with the trace log. This is used
to determine when the server is restarted, so that the running trace data structures can be reinitialized.
""")
parser.add_option("--remove-prefix", dest='remove_prefix',
help="""
A prefex to be removed from URLS.
""")
......
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