packages/Python/lldbsuite/test/benchmarks/libcxxmap/TestBenchmarkLibcxxMap.py

   1 """
   2 Test lldb data formatter subsystem.
   3 """
   4
   5 from __future__ import print_function
   6
   7
   8 import os
   9 import time
  10 import lldb
  11 from lldbsuite.test.lldbbench import *
  12 from lldbsuite.test.decorators import *
  13 from lldbsuite.test.lldbtest import *
  14 from lldbsuite.test import lldbutil
  15
  16
  17 class TestBenchmarkLibcxxMap(BenchBase):
  18
  19     mydir = TestBase.compute_mydir(__file__)
  20
  21     @benchmarks_test
  22     def test_run_command(self):
  23         """Benchmark the std::map data formatter (libc++)"""
  24         self.build()
  25         self.data_formatter_commands()
  26
  27     def setUp(self):
  28         # Call super's setUp().
  29         BenchBase.setUp(self)
  30
  31     def data_formatter_commands(self):
  32         """Benchmark the std::map data formatter (libc++)"""
  33         self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
  34
  35         bkpt = self.target().FindBreakpointByID(
  36             lldbutil.run_break_set_by_source_regexp(
  37                 self, "break here"))
  38
  39         self.runCmd("run", RUN_SUCCEEDED)
  40
  41         # The stop reason of the thread should be breakpoint.
  42         self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
  43                     substrs=['stopped',
  44                              'stop reason = breakpoint'])
  45
  46         # This is the function to remove the custom formats in order to have a
  47         # clean slate for the next test case.
  48         def cleanup():
  49             self.runCmd('type format clear', check=False)
  50             self.runCmd('type summary clear', check=False)
  51             self.runCmd('type filter clear', check=False)
  52             self.runCmd('type synth clear', check=False)
  53             self.runCmd(
  54                 "settings set target.max-children-count 256",
  55                 check=False)
  56
  57         # Execute the cleanup function during test case tear down.
  58         self.addTearDownHook(cleanup)
  59
  60         sw = Stopwatch()
  61
  62         sw.start()
  63         self.expect('frame variable -A map', substrs=['[300]', '300'])
  64         sw.stop()
  65
  66         print("time to print: %s" % (sw))