1#!/usr/bin/env python 2 3import json, sys, time 4 5 6def is_inside(range1, range2): 7 a = range1["ts"] 8 b = a + range1["dur"] 9 c = range2["ts"] 10 d = c + range2["dur"] 11 return (a >= c and a <= d) and (b >= c and b <= d) 12 13 14def is_before(range1, range2): 15 b = range1["ts"] + range1["dur"] 16 c = range2["ts"] 17 return b <= c 18 19 20log_contents = json.loads(sys.stdin.read()) 21events = log_contents["traceEvents"] 22codegens = [event for event in events if event["name"] == "CodeGen Function"] 23frontends = [event for event in events if event["name"] == "Frontend"] 24backends = [event for event in events if event["name"] == "Backend"] 25 26beginning_of_time = log_contents["beginningOfTime"] / 1000000 27seconds_since_epoch = time.time() 28 29# Make sure that the 'beginningOfTime' is not later than now. 30if beginning_of_time > seconds_since_epoch: 31 sys.exit( 32 "'beginningOfTime' should represent the absolute time when the " 33 "process has started" 34 ) 35 36if not all( 37 [ 38 any([is_inside(codegen, frontend) for frontend in frontends]) 39 for codegen in codegens 40 ] 41): 42 sys.exit("Not all CodeGen sections are inside any Frontend section!") 43 44if not all( 45 [ 46 all([is_before(frontend, backend) for frontend in frontends]) 47 for backend in backends 48 ] 49): 50 sys.exit("Not all Frontend section are before all Backend sections!") 51