def test_tracing_bootstrap(self): workq_event_path = FT_EVENT_DIR + "workqueue/enable" permitted_files = {workq_event_path: "0", FT_TRACE: "x"} io_interface = make_test_io_interface(permitted_files) systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ["workq"] options, categories = run_systrace.parse_options(systrace_cmd) agent = ftrace_agent.FtraceAgent(io_interface) self.assertEqual(['workq'], agent._avail_categories()) # confirm tracing is enabled, buffer is cleared agent.StartAgentTracing(options, categories, 10) self.assertEqual(permitted_files[FT_TRACE_ON], "1") self.assertEqual(permitted_files[FT_TRACE], "") # fill in file with dummy contents dummy_trace = "trace_contents" permitted_files[FT_TRACE] = dummy_trace # confirm tracing is disabled agent.StopAgentTracing(10) agent.GetResults(30) self.assertEqual(permitted_files[FT_TRACE_ON], "0") # confirm trace is expected, and read from fs self.assertEqual(agent.GetResults(30).raw_data, dummy_trace) # confirm buffer size is reset to 1 self.assertEqual(permitted_files[FT_BUFFER_SIZE], "1")
def test_tracing_bootstrap(self): workq_event_path = FT_EVENT_DIR + "workqueue/enable" permitted_files = { workq_event_path: "0", FT_TRACE: "x" } io_interface = make_test_io_interface(permitted_files) systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ["workq"] options, categories = run_systrace.parse_options(systrace_cmd) agent = ftrace_agent.FtraceAgent(io_interface) self.assertEqual(['workq'], agent._avail_categories()) # confirm tracing is enabled, buffer is cleared agent.StartAgentTracing(options, categories, 10) self.assertEqual(permitted_files[FT_TRACE_ON], "1") self.assertEqual(permitted_files[FT_TRACE], "") # fill in file with dummy contents dummy_trace = "trace_contents" permitted_files[FT_TRACE] = dummy_trace # confirm tracing is disabled agent.StopAgentTracing(10) agent.GetResults(30) self.assertEqual(permitted_files[FT_TRACE_ON], "0") # confirm trace is expected, and read from fs self.assertEqual(agent.GetResults(30).raw_data, dummy_trace) # confirm buffer size is reset to 1 self.assertEqual(permitted_files[FT_BUFFER_SIZE], "1")
def test_buffer_size(self): systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ['-b', '16000'] options, categories = run_systrace.parse_options(systrace_cmd) agent = ftrace_agent.FtraceAgent() agent._options = options agent._categories = categories self.assertEqual(agent._get_trace_buffer_size(), 16000)
def test_buffer_size(self): systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ['-b', '16000'] options, categories = run_systrace.parse_options(systrace_cmd) agent = ftrace_agent.FtraceAgent() agent._options = options agent._categories = categories self.assertEqual(agent._get_trace_buffer_size(), 16000)
def test_tracing_event_enable_disable(self): # turn on irq tracing ipi_event_path = FT_EVENT_DIR + "ipi/enable" irq_event_path = FT_EVENT_DIR + "irq/enable" permitted_files = { ipi_event_path: "0", irq_event_path: "0" } io_interface = make_test_io_interface(permitted_files) systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ["irq"] options, categories = run_systrace.parse_options(systrace_cmd) options.ftrace_categories = categories agent = ftrace_agent.FtraceAgent(io_interface) self.assertEqual(['irq'], agent._avail_categories()) # confirm all the event nodes are turned on during tracing agent.StartAgentTracing(options) self.assertEqual(permitted_files[irq_event_path], "1") self.assertEqual(permitted_files[ipi_event_path], "1") # and then turned off when completed. agent.StopAgentTracing() agent.GetResults() self.assertEqual(permitted_files[irq_event_path], "0") self.assertEqual(permitted_files[ipi_event_path], "0")
def test_preprocess_trace_data(self): with contextlib.nested(open(ATRACE_DATA_STRIPPED, 'r'), open(ATRACE_DATA_RAW, 'r')) as (f1, f2): atrace_data = f1.read() atrace_data_raw = f2.read() options, categories = run_systrace.parse_options(SYSTRACE_CMD) agent = atrace_agent.AtraceAgent() agent._config = options agent._config.atrace_categories = categories trace_data = agent._preprocess_trace_data(atrace_data_raw) self.assertEqual(atrace_data, trace_data)
def test_preprocess_trace_data(self): with contextlib.nested(open(ATRACE_DATA_STRIPPED, 'r'), open(ATRACE_DATA_RAW, 'r')) as (f1, f2): atrace_data = f1.read() atrace_data_raw = f2.read() options, categories = run_systrace.parse_options(STOP_FIX_UPS) agent = atrace_agent.AtraceAgent() agent._config = options agent._config.atrace_categories = categories trace_data = agent._preprocess_trace_data(atrace_data_raw) self.assertEqual(atrace_data, trace_data)
def test_tracing_event_enable_disable(self): # turn on irq tracing ipi_event_path = FT_EVENT_DIR + "ipi/enable" irq_event_path = FT_EVENT_DIR + "irq/enable" permitted_files = {ipi_event_path: "0", irq_event_path: "0"} io_interface = make_test_io_interface(permitted_files) systrace_cmd = SYSTRACE_HOST_CMD_DEFAULT + ["irq"] options, categories = run_systrace.parse_options(systrace_cmd) agent = ftrace_agent.FtraceAgent(io_interface) self.assertEqual(['irq'], agent._avail_categories()) # confirm all the event nodes are turned on during tracing agent.StartAgentTracing(options, categories, 10) self.assertEqual(permitted_files[irq_event_path], "1") self.assertEqual(permitted_files[ipi_event_path], "1") # and then turned off when completed. agent.StopAgentTracing(10) agent.GetResults(30) self.assertEqual(permitted_files[irq_event_path], "0") self.assertEqual(permitted_files[ipi_event_path], "0")
def test_construct_atrace_args(self): options, categories = run_systrace.parse_options(SYSTRACE_CMD) options.atrace_categories = categories tracer_args = atrace_agent._construct_atrace_args(options, categories) self.assertEqual(' '.join(TRACE_ARGS), ' '.join(tracer_args))
def test_boot(self): options, _ = run_systrace.parse_options(SYSTRACE_BOOT_CMD) tracer_args = atrace_agent._construct_boot_trace_command(options) self.assertEqual(' '.join(TRACE_BOOT_CMD), ' '.join(tracer_args))
def test_construct_atrace_args(self): options, categories = run_systrace.parse_options(SYSTRACE_CMD) options.atrace_categories = categories tracer_args = atrace_agent._construct_atrace_args(options, categories) self.assertEqual(' '.join(TRACE_ARGS), ' '.join(tracer_args))
def test_boot(self): options, _ = run_systrace.parse_options(SYSTRACE_BOOT_CMD) tracer_args = atrace_agent._construct_boot_trace_command(options) self.assertEqual(' '.join(TRACE_BOOT_CMD), ' '.join(tracer_args))
def test_construct_walt_args(self): options, _ = run_systrace.parse_options(['./run_systrace.py', '--walt']) self.assertTrue(walt_agent.get_config(options).is_walt_enabled) options, _ = run_systrace.parse_options(['./run_systrace.py']) self.assertFalse(walt_agent.get_config(options).is_walt_enabled)