# Test the SBAPI for GetStatistics()
import json
import lldb
from lldbsuite.test.decorators import *
from lldbsuite.test.lldbtest import *
from lldbsuite.test import lldbutil
class TestStatsAPI(TestBase):
NO_DEBUG_INFO_TESTCASE = True
def test_stats_api(self):
"""
Test SBTarget::GetStatistics() API.
"""
self.build()
exe = self.getBuildArtifact("a.out")
# Launch a process and break
(target, process, thread, bkpt) = lldbutil.run_to_source_breakpoint(
self, "break here", lldb.SBFileSpec("main.c")
)
# Test enabling/disabling stats
self.assertFalse(target.GetCollectingStats())
target.SetCollectingStats(True)
self.assertTrue(target.GetCollectingStats())
target.SetCollectingStats(False)
self.assertFalse(target.GetCollectingStats())
# Test the function to get the statistics in JSON'ish.
stats = target.GetStatistics()
stream = lldb.SBStream()
res = stats.GetAsJSON(stream)
debug_stats = json.loads(stream.GetData())
self.assertIn(
"targets",
debug_stats,
'Make sure the "targets" key in in target.GetStatistics()',
)
self.assertIn(
"modules",
debug_stats,
'Make sure the "modules" key in in target.GetStatistics()',
)
stats_json = debug_stats["targets"][0]
self.assertIn(
"expressionEvaluation",
stats_json,
'Make sure the "expressionEvaluation" key in in target.GetStatistics()["targets"][0]',
)
self.assertIn(
"frameVariable",
stats_json,
'Make sure the "frameVariable" key in in target.GetStatistics()["targets"][0]',
)
expressionEvaluation = stats_json["expressionEvaluation"]
self.assertIn(
"successes",
expressionEvaluation,
'Make sure the "successes" key in in "expressionEvaluation" dictionary"',
)
self.assertIn(
"failures",
expressionEvaluation,
'Make sure the "failures" key in in "expressionEvaluation" dictionary"',
)
frameVariable = stats_json["frameVariable"]
self.assertIn(
"successes",
frameVariable,
'Make sure the "successes" key in in "frameVariable" dictionary"',
)
self.assertIn(
"failures",
frameVariable,
'Make sure the "failures" key in in "frameVariable" dictionary"',
)
# Test statistics summary.
stats_options = lldb.SBStatisticsOptions()
stats_options.SetSummaryOnly(True)
stats_summary = target.GetStatistics(stats_options)
stream_summary = lldb.SBStream()
stats_summary.GetAsJSON(stream_summary)
debug_stats_summary = json.loads(stream_summary.GetData())
self.assertNotIn("modules", debug_stats_summary)
self.assertNotIn("commands", debug_stats_summary)
# Summary values should be the same as in full statistics.
# The exceptions to this are:
# - The parse time on Mac OS X is not deterministic.
# - Memory usage may grow over time due to the use of ConstString.
for key, value in debug_stats_summary.items():
self.assertIn(key, debug_stats)
if key != "memory" and key != "targets" and not key.endswith("Time"):
self.assertEqual(debug_stats[key], value)
def test_command_stats_api(self):
"""
Test GetCommandInterpreter::GetStatistics() API.
"""
self.build()
exe = self.getBuildArtifact("a.out")
lldbutil.run_to_name_breakpoint(self, "main")
interp = self.dbg.GetCommandInterpreter()
result = lldb.SBCommandReturnObject()
interp.HandleCommand("bt", result)
stream = lldb.SBStream()
res = interp.GetStatistics().GetAsJSON(stream)
command_stats = json.loads(stream.GetData())
# Verify bt command is correctly parsed into final form.
self.assertEqual(command_stats["thread backtrace"], 1)
# Verify original raw command is not duplicatedly captured.
self.assertNotIn("bt", command_stats)
# Verify bt's regex command is not duplicatedly captured.
self.assertNotIn("_regexp-bt", command_stats)
@add_test_categories(["dwo"])
def test_command_stats_force(self):
"""
Test reporting all pssible debug info stats by force loading all debug
info. For example, dwo files
"""
src_dir = self.getSourceDir()
dwo_yaml_path = os.path.join(src_dir, "main-main.dwo.yaml")
exe_yaml_path = os.path.join(src_dir, "main.yaml")
dwo_path = self.getBuildArtifact("main-main.dwo")
exe_path = self.getBuildArtifact("main")
self.yaml2obj(dwo_yaml_path, dwo_path)
self.yaml2obj(exe_yaml_path, exe_path)
# Turn on symbols on-demand loading
self.runCmd("settings set symbols.load-on-demand true")
# We need the current working directory to be set to the build directory
os.chdir(self.getBuildDir())
# Create a target with the object file we just created from YAML
target = self.dbg.CreateTarget(exe_path)
self.assertTrue(target, VALID_TARGET)
# Get statistics
stats_options = lldb.SBStatisticsOptions()
stats = target.GetStatistics(stats_options)
stream = lldb.SBStream()
stats.GetAsJSON(stream)
debug_stats = json.loads(stream.GetData())
self.assertEqual(debug_stats["totalDebugInfoByteSize"], 193)
# Get statistics with force loading
stats_options.SetReportAllAvailableDebugInfo(True)
stats_force = target.GetStatistics(stats_options)
stream_force = lldb.SBStream()
stats_force.GetAsJSON(stream_force)
debug_stats_force = json.loads(stream_force.GetData())
self.assertEqual(debug_stats_force["totalDebugInfoByteSize"], 445)