clang/test/Driver/check-time-trace-sections.py

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