clang/utils/analyzer/SumTimerInfo.py

   1 #!/usr/bin/env python
   2
   3 """
   4 Script to Summarize statistics in the scan-build output.
   5
   6 Statistics are enabled by passing '-internal-stats' option to scan-build
   7 (or '-analyzer-stats' to the analyzer).
   8 """
   9 import sys
  10
  11 if __name__ == "__main__":
  12     if len(sys.argv) < 2:
  13         print("Usage: ", sys.argv[0], "scan_build_output_file", file=sys.stderr)
  14         sys.exit(-1)
  15
  16     f = open(sys.argv[1], "r")
  17     time = 0.0
  18     total_time = 0.0
  19     max_time = 0.0
  20     warnings = 0
  21     count = 0
  22     functions_analyzed = 0
  23     reachable_blocks = 0
  24     reached_max_steps = 0
  25     num_steps = 0
  26     num_inlined_call_sites = 0
  27     num_bifurcated_call_sites = 0
  28     max_cfg_size = 0
  29
  30     for line in f:
  31         if "Analyzer total time" in line:
  32             s = line.split()
  33             time = time + float(s[6])
  34             count = count + 1
  35             if float(s[6]) > max_time:
  36                 max_time = float(s[6])
  37         if "warning generated." in line or "warnings generated" in line:
  38             s = line.split()
  39             warnings = warnings + int(s[0])
  40         if "The # of functions analysed (as top level)" in line:
  41             s = line.split()
  42             functions_analyzed = functions_analyzed + int(s[0])
  43         if "The % of reachable basic blocks" in line:
  44             s = line.split()
  45             reachable_blocks = reachable_blocks + int(s[0])
  46         if "The # of times we reached the max number of steps" in line:
  47             s = line.split()
  48             reached_max_steps = reached_max_steps + int(s[0])
  49         if "The maximum number of basic blocks in a function" in line:
  50             s = line.split()
  51             if max_cfg_size < int(s[0]):
  52                 max_cfg_size = int(s[0])
  53         if "The # of steps executed" in line:
  54             s = line.split()
  55             num_steps = num_steps + int(s[0])
  56         if "The # of times we inlined a call" in line:
  57             s = line.split()
  58             num_inlined_call_sites = num_inlined_call_sites + int(s[0])
  59         if (
  60             "The # of times we split the path due \
  61                 to imprecise dynamic dispatch info"
  62             in line
  63         ):
  64             s = line.split()
  65             num_bifurcated_call_sites = num_bifurcated_call_sites + int(s[0])
  66         if ")  Total" in line:
  67             s = line.split()
  68             total_time = total_time + float(s[6])
  69
  70     print(f"TU count {count}")
  71     print(f"Time {time}")
  72     print(f"Warnings {warnings}")
  73     print(f"Functions analyzed {functions_analyzed}")
  74     print(f"Reachable blocks {reachable_blocks}")
  75     print(f"Reached max steps {reached_max_steps}")
  76     print(f"Number of steps {num_steps}")
  77     print(
  78         f"Number of inlined calls {num_inlined_call_sites} "
  79         f"(bifurcated {num_bifurcated_call_sites})"
  80     )
  81     print(f"Max time {max_time}")
  82     print(f"Total time {total_time}")
  83     print(f"Max CFG Size {max_cfg_size}")