blob: dcd88077217701eac8a5166ac7e8c39ee9567124 [file] [log] [blame]
"""Test queues inspection SB APIs."""
import os, time
import unittest2
import lldb
import lldbutil
from lldbtest import *
class TestQueues(TestBase):
mydir = TestBase.compute_mydir(__file__)
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dsym_test
def test_with_dsym_and_python_api(self):
"""Test queues inspection SB APIs."""
self.buildDsym()
self.queues()
self.queues_with_libBacktraceRecording()
@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
@python_api_test
@dwarf_test
def test_with_dwarf_and_python_api(self):
"""Test queues inspection SB APIs."""
self.buildDwarf()
self.queues()
self.queues_with_libBacktraceRecording()
def setUp(self):
# Call super's setUp().
TestBase.setUp(self)
# Find the line numbers that we will step to in main:
self.main_source = "main.c"
def check_queue_for_valid_queue_id(self, queue):
self.assertTrue(queue.GetQueueID() != 0, "Check queue %s for valid QueueID (got 0x%x)" % (queue.GetName(), queue.GetQueueID()))
def check_running_and_pending_items_on_queue(self, queue, expected_running, expected_pending):
self.assertTrue(queue.GetNumPendingItems() == expected_pending, "queue %s should have %d pending items, instead has %d pending items" % (queue.GetName(), expected_pending, (queue.GetNumPendingItems())))
self.assertTrue(queue.GetNumRunningItems() == expected_running, "queue %s should have %d running items, instead has %d running items" % (queue.GetName(), expected_running, (queue.GetNumRunningItems())))
def check_number_of_threads_owned_by_queue(self, queue, number_threads):
self.assertTrue(queue.GetNumThreads() == number_threads, "queue %s should have %d thread executing, but has %d" % (queue.GetName(), number_threads, queue.GetNumThreads()))
def check_queue_kind (self, queue, kind):
expected_kind_string = "Unknown"
if kind == lldb.eQueueKindSerial:
expected_kind_string = "Serial queue"
if kind == lldb.eQueueKindConcurrent:
expected_kind_string = "Concurrent queue"
actual_kind_string = "Unknown"
if queue.GetKind() == lldb.eQueueKindSerial:
actual_kind_string = "Serial queue"
if queue.GetKind() == lldb.eQueueKindConcurrent:
actual_kind_string = "Concurrent queue"
self.assertTrue(queue.GetKind() == kind, "queue %s is expected to be a %s but it is actually a %s" % (queue.GetName(), expected_kind_string, actual_kind_string))
def check_queues_threads_match_queue(self, queue):
for idx in range(0, queue.GetNumThreads()):
t = queue.GetThreadAtIndex(idx)
self.assertTrue(t.IsValid(), "Queue %s's thread #%d must be valid" % (queue.GetName(), idx))
self.assertTrue(t.GetQueueID() == queue.GetQueueID(), "Queue %s has a QueueID of %d but its thread #%d has a QueueID of %d" % (queue.GetName(), queue.GetQueueID(), idx, t.GetQueueID()))
self.assertTrue(t.GetQueueName() == queue.GetName(), "Queue %s has a QueueName of %s but its thread #%d has a QueueName of %s" % (queue.GetName(), queue.GetName(), idx, t.GetQueueName()))
self.assertTrue(t.GetQueue().GetQueueID() == queue.GetQueueID(), "Thread #%d's Queue's QueueID of %d is not the same as the QueueID of its owning queue %d" % (idx, t.GetQueue().GetQueueID(), queue.GetQueueID()))
def queues(self):
"""Test queues inspection SB APIs without libBacktraceRecording."""
exe = os.path.join(os.getcwd(), "a.out")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.main_source_spec = lldb.SBFileSpec (self.main_source)
break1 = target.BreakpointCreateByName ("stopper", 'a.out')
self.assertTrue(break1, VALID_BREAKPOINT)
process = target.LaunchSimple (None, None, self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
if len(threads) != 1:
self.fail ("Failed to stop at breakpoint 1.")
queue_submittor_1 = lldb.SBQueue()
queue_performer_1 = lldb.SBQueue()
queue_performer_2 = lldb.SBQueue()
queue_performer_3 = lldb.SBQueue()
for idx in range (0, process.GetNumQueues()):
q = process.GetQueueAtIndex(idx)
if q.GetName() == "com.apple.work_submittor_1":
queue_submittor_1 = q
if q.GetName() == "com.apple.work_performer_1":
queue_performer_1 = q
if q.GetName() == "com.apple.work_performer_2":
queue_performer_2 = q
if q.GetName() == "com.apple.work_performer_3":
queue_performer_3 = q
self.assertTrue(queue_submittor_1.IsValid() and queue_performer_1.IsValid() and queue_performer_2.IsValid() and queue_performer_3.IsValid(), "Got all four expected queues: %s %s %s %s" % (queue_submittor_1.IsValid(), queue_performer_1.IsValid(), queue_performer_2.IsValid(), queue_performer_3.IsValid()))
self.check_queue_for_valid_queue_id (queue_submittor_1)
self.check_queue_for_valid_queue_id (queue_performer_1)
self.check_queue_for_valid_queue_id (queue_performer_2)
self.check_queue_for_valid_queue_id (queue_performer_3)
self.check_number_of_threads_owned_by_queue (queue_submittor_1, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_1, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_2, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_3, 4)
self.check_queue_kind (queue_submittor_1, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_1, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_2, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_3, lldb.eQueueKindConcurrent)
self.check_queues_threads_match_queue (queue_submittor_1)
self.check_queues_threads_match_queue (queue_performer_1)
self.check_queues_threads_match_queue (queue_performer_2)
self.check_queues_threads_match_queue (queue_performer_3)
def queues_with_libBacktraceRecording(self):
"""Test queues inspection SB APIs with libBacktraceRecording present."""
exe = os.path.join(os.getcwd(), "a.out")
if not os.path.isfile('/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib'):
self.skipTest ("Skipped because libBacktraceRecording.dylib was present on the system.")
if not os.path.isfile('/usr/lib/system/introspection/libdispatch.dylib'):
self.skipTest ("Skipped because introspection libdispatch dylib is not present.")
target = self.dbg.CreateTarget(exe)
self.assertTrue(target, VALID_TARGET)
self.main_source_spec = lldb.SBFileSpec (self.main_source)
break1 = target.BreakpointCreateByName ("stopper", 'a.out')
self.assertTrue(break1, VALID_BREAKPOINT)
# Now launch the process, and do not stop at entry point.
process = target.LaunchSimple (None, ['DYLD_INSERT_LIBRARIES=/Applications/Xcode.app/Contents/Developer/usr/lib/libBacktraceRecording.dylib', 'DYLD_LIBRARY_PATH=/usr/lib/system/introspection'], self.get_process_working_directory())
self.assertTrue(process, PROCESS_IS_VALID)
# The stop reason of the thread should be breakpoint.
threads = lldbutil.get_threads_stopped_at_breakpoint (process, break1)
if len(threads) != 1:
self.fail ("Failed to stop at breakpoint 1.")
libbtr_module_filespec = lldb.SBFileSpec("libBacktraceRecording.dylib")
libbtr_module = target.FindModule (libbtr_module_filespec)
if not libbtr_module.IsValid():
self.skipTest ("Skipped because libBacktraceRecording.dylib was not loaded into the process.")
self.assertTrue(process.GetNumQueues() >= 4, "Found the correct number of queues.")
queue_submittor_1 = lldb.SBQueue()
queue_performer_1 = lldb.SBQueue()
queue_performer_2 = lldb.SBQueue()
queue_performer_3 = lldb.SBQueue()
for idx in range (0, process.GetNumQueues()):
q = process.GetQueueAtIndex(idx)
if q.GetName() == "com.apple.work_submittor_1":
queue_submittor_1 = q
if q.GetName() == "com.apple.work_performer_1":
queue_performer_1 = q
if q.GetName() == "com.apple.work_performer_2":
queue_performer_2 = q
if q.GetName() == "com.apple.work_performer_3":
queue_performer_3 = q
self.assertTrue(queue_submittor_1.IsValid() and queue_performer_1.IsValid() and queue_performer_2.IsValid() and queue_performer_3.IsValid(), "Got all four expected queues: %s %s %s %s" % (queue_submittor_1.IsValid(), queue_performer_1.IsValid(), queue_performer_2.IsValid(), queue_performer_3.IsValid()))
self.check_queue_for_valid_queue_id (queue_submittor_1)
self.check_queue_for_valid_queue_id (queue_performer_1)
self.check_queue_for_valid_queue_id (queue_performer_2)
self.check_queue_for_valid_queue_id (queue_performer_3)
self.check_running_and_pending_items_on_queue (queue_submittor_1, 1, 0)
self.check_running_and_pending_items_on_queue (queue_performer_1, 1, 3)
self.check_running_and_pending_items_on_queue (queue_performer_2, 1, 9999)
self.check_running_and_pending_items_on_queue (queue_performer_3, 4, 0)
self.check_number_of_threads_owned_by_queue (queue_submittor_1, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_1, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_2, 1)
self.check_number_of_threads_owned_by_queue (queue_performer_3, 4)
self.check_queue_kind (queue_submittor_1, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_1, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_2, lldb.eQueueKindSerial)
self.check_queue_kind (queue_performer_3, lldb.eQueueKindConcurrent)
self.check_queues_threads_match_queue (queue_submittor_1)
self.check_queues_threads_match_queue (queue_performer_1)
self.check_queues_threads_match_queue (queue_performer_2)
self.check_queues_threads_match_queue (queue_performer_3)
self.assertTrue(queue_performer_2.GetPendingItemAtIndex(0).IsValid(), "queue 2's pending item #0 is valid")
self.assertTrue(queue_performer_2.GetPendingItemAtIndex(0).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
self.assertTrue(queue_performer_2.GetNumPendingItems() == 9999, "verify that queue 2 still has 9999 pending items")
self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9998).IsValid(), "queue 2's pending item #9998 is valid")
self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9998).GetAddress().GetSymbol().GetName() == "doing_the_work_2", "queue 2's pending item #0 should be doing_the_work_2")
self.assertTrue(queue_performer_2.GetPendingItemAtIndex(9999).IsValid() == False, "queue 2's pending item #9999 is invalid")
if __name__ == '__main__':
import atexit
lldb.SBDebugger.Initialize()
atexit.register(lambda: lldb.SBDebugger.Terminate())
unittest2.main()