clang/test/Driver/ftime-trace-sections.py

   1 #!/usr/bin/env python
   2
   3 import json, sys, time
   4
   5
   6 def 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
  14 def is_before(range1, range2):
  15     b = range1["ts"] + range1["dur"]
  16     c = range2["ts"]
  17     return b <= c
  18
  19
  20 log_contents = json.loads(sys.stdin.read())
  21 events = log_contents["traceEvents"]
  22 codegens = [event for event in events if event["name"] == "CodeGen Function"]
  23 frontends = [event for event in events if event["name"] == "Frontend"]
  24 backends = [event for event in events if event["name"] == "Backend"]
  25
  26 beginning_of_time = log_contents["beginningOfTime"] / 1000000
  27 seconds_since_epoch = time.time()
  28
  29 # Make sure that the 'beginningOfTime' is not later than now.
  30 if beginning_of_time > seconds_since_epoch:
  31     sys.exit(
  32         "'beginningOfTime' should represent the absolute time when the "
  33         "process has started"
  34     )
  35
  36 if 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
  44 if 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!")