tracer: add a first tool to report aggregated findings

A tool to report min/max/avg values per scope and traced value.
This commit is contained in:
Stefan Sauer 2016-12-12 22:41:23 +01:00
parent 896201af35
commit a066c2f332

43
tracer/gsttr-stats.py Normal file
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#!/usr/bin/env python3
'''
How to run:
Offline:
GST_DEBUG="GST_TRACER:7" GST_TRACERS="stats;rusage;latency" GST_DEBUG_FILE=trace.log <application>
python3 gsttr-stats.py trace.log
'''
from tracer.analyzer import Analyzer
from tracer.parser import Parser
def format_ts(ts):
sec = 1e9
h = int(ts // (sec * 60 * 60))
m = int((ts // (sec * 60)) % 60)
s = (ts / sec)
return '{:02d}.{:02d}.{:010.7f}'.format(h,m,s)
if __name__ == '__main__':
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('file', nargs='?', default='debug.log')
args = parser.parse_args()
with Parser(args.file) as log:
stats = Analyzer(log)
stats.run()
# iterate scopes
for sk,sv in stats.data.items():
# iterate tracers
for tk,tv in sv.items():
mi = tv.get('min', '-')
ma = tv.get('max', '-')
avg = tv['sum']/tv['num']
# TODO: need proper units
if tk.endswith('/time') or tk.endswith('-dts') or tk.endswith('-pts'):
if mi != '-':
mi = format_ts(mi)
if ma != '-':
ma = format_ts(ma)
avg = format_ts(avg)
print("%-45s: Min/Avg,Max %30s: %s, %s, %s" % (sk, tk, mi, avg, ma))