diff options
Diffstat (limited to 'lldb/packages/Python/lldbsuite/test/concurrent_base.py')
| -rw-r--r-- | lldb/packages/Python/lldbsuite/test/concurrent_base.py | 190 |
1 files changed, 131 insertions, 59 deletions
diff --git a/lldb/packages/Python/lldbsuite/test/concurrent_base.py b/lldb/packages/Python/lldbsuite/test/concurrent_base.py index bf51eb87369..4a7ae0b9c27 100644 --- a/lldb/packages/Python/lldbsuite/test/concurrent_base.py +++ b/lldb/packages/Python/lldbsuite/test/concurrent_base.py @@ -13,14 +13,15 @@ verified to match the expected number of events. from __future__ import print_function - import unittest2 -import os, time +import os +import time import lldb from lldbsuite.test.decorators import * from lldbsuite.test.lldbtest import * from lldbsuite.test import lldbutil + class ConcurrentEventsBase(TestBase): # Concurrency is the primary test factor here, not debug info variants. @@ -49,18 +50,24 @@ class ConcurrentEventsBase(TestBase): if reason == lldb.eStopReasonBreakpoint: bpid = x.GetStopReasonDataAtIndex(0) bp = self.inferior_target.FindBreakpointByID(bpid) - reason_str = "%s hit %d times" % (lldbutil.get_description(bp), bp.GetHitCount()) + reason_str = "%s hit %d times" % ( + lldbutil.get_description(bp), bp.GetHitCount()) elif reason == lldb.eStopReasonWatchpoint: watchid = x.GetStopReasonDataAtIndex(0) watch = self.inferior_target.FindWatchpointByID(watchid) - reason_str = "%s hit %d times" % (lldbutil.get_description(watch), watch.GetHitCount()) + reason_str = "%s hit %d times" % ( + lldbutil.get_description(watch), watch.GetHitCount()) elif reason == lldb.eStopReasonSignal: signals = self.inferior_process.GetUnixSignals() - signal_name = signals.GetSignalAsCString(x.GetStopReasonDataAtIndex(0)) + signal_name = signals.GetSignalAsCString( + x.GetStopReasonDataAtIndex(0)) reason_str = "signal %s" % signal_name - location = "\t".join([lldbutil.get_description(x.GetFrameAtIndex(i)) for i in range(x.GetNumFrames())]) - ret.append("thread %d %s due to %s at\n\t%s" % (id, status, reason_str, location)) + location = "\t".join([lldbutil.get_description( + x.GetFrameAtIndex(i)) for i in range(x.GetNumFrames())]) + ret.append( + "thread %d %s due to %s at\n\t%s" % + (id, status, reason_str, location)) return ret def add_breakpoint(self, line, descriptions): @@ -68,35 +75,39 @@ class ConcurrentEventsBase(TestBase): returns the LLDB SBBreakpoint object. """ - bpno = lldbutil.run_break_set_by_file_and_line(self, self.filename, line, num_expected_locations=-1) + bpno = lldbutil.run_break_set_by_file_and_line( + self, self.filename, line, num_expected_locations=-1) bp = self.inferior_target.FindBreakpointByID(bpno) - descriptions.append(": file = 'main.cpp', line = %d" % self.finish_breakpoint_line) + descriptions.append( + ": file = 'main.cpp', line = %d" % + self.finish_breakpoint_line) return bp def inferior_done(self): - """ Returns true if the inferior is done executing all the event threads (and is stopped at self.finish_breakpoint, + """ Returns true if the inferior is done executing all the event threads (and is stopped at self.finish_breakpoint, or has terminated execution. """ return self.finish_breakpoint.GetHitCount() > 0 or \ - self.crash_count > 0 or \ - self.inferior_process.GetState() == lldb.eStateExited + self.crash_count > 0 or \ + self.inferior_process.GetState() == lldb.eStateExited def count_signaled_threads(self): count = 0 for thread in self.inferior_process: - if thread.GetStopReason() == lldb.eStopReasonSignal and thread.GetStopReasonDataAtIndex(0) == self.inferior_process.GetUnixSignals().GetSignalNumberFromName('SIGUSR1'): + if thread.GetStopReason() == lldb.eStopReasonSignal and thread.GetStopReasonDataAtIndex( + 0) == self.inferior_process.GetUnixSignals().GetSignalNumberFromName('SIGUSR1'): count += 1 return count def do_thread_actions(self, - num_breakpoint_threads = 0, - num_signal_threads = 0, - num_watchpoint_threads = 0, - num_crash_threads = 0, - num_delay_breakpoint_threads = 0, - num_delay_signal_threads = 0, - num_delay_watchpoint_threads = 0, - num_delay_crash_threads = 0): + num_breakpoint_threads=0, + num_signal_threads=0, + num_watchpoint_threads=0, + num_crash_threads=0, + num_delay_breakpoint_threads=0, + num_delay_signal_threads=0, + num_delay_watchpoint_threads=0, + num_delay_crash_threads=0): """ Sets a breakpoint in the main thread where test parameters (numbers of threads) can be adjusted, runs the inferior to that point, and modifies the locals that control the event thread counts. Also sets a breakpoint in breakpoint_func (the function executed by each 'breakpoint' thread) and a watchpoint on a global modified in @@ -112,105 +123,166 @@ class ConcurrentEventsBase(TestBase): expected_bps = [] # Initialize all the breakpoints (main thread/aux thread) - self.setup_breakpoint = self.add_breakpoint(self.setup_breakpoint_line, expected_bps) - self.finish_breakpoint = self.add_breakpoint(self.finish_breakpoint_line, expected_bps) + self.setup_breakpoint = self.add_breakpoint( + self.setup_breakpoint_line, expected_bps) + self.finish_breakpoint = self.add_breakpoint( + self.finish_breakpoint_line, expected_bps) # Set the thread breakpoint if num_breakpoint_threads + num_delay_breakpoint_threads > 0: - self.thread_breakpoint = self.add_breakpoint(self.thread_breakpoint_line, expected_bps) + self.thread_breakpoint = self.add_breakpoint( + self.thread_breakpoint_line, expected_bps) # Verify breakpoints - self.expect("breakpoint list -f", "Breakpoint locations shown correctly", substrs = expected_bps) + self.expect( + "breakpoint list -f", + "Breakpoint locations shown correctly", + substrs=expected_bps) # Run the program. self.runCmd("run", RUN_SUCCEEDED) # Check we are at line self.setup_breakpoint self.expect("thread backtrace", STOPPED_DUE_TO_BREAKPOINT, - substrs = ["stop reason = breakpoint 1."]) + substrs=["stop reason = breakpoint 1."]) # Initialize the (single) watchpoint on the global variable (g_watchme) if num_watchpoint_threads + num_delay_watchpoint_threads > 0: self.runCmd("watchpoint set variable g_watchme") for w in self.inferior_target.watchpoint_iter(): self.thread_watchpoint = w - self.assertTrue("g_watchme" in str(self.thread_watchpoint), "Watchpoint location not shown correctly") + self.assertTrue( + "g_watchme" in str( + self.thread_watchpoint), + "Watchpoint location not shown correctly") # Get the process self.inferior_process = self.inferior_target.GetProcess() # We should be stopped at the setup site where we can set the number of # threads doing each action (break/crash/signal/watch) - self.assertEqual(self.inferior_process.GetNumThreads(), 1, 'Expected to stop before any additional threads are spawned.') + self.assertEqual( + self.inferior_process.GetNumThreads(), + 1, + 'Expected to stop before any additional threads are spawned.') self.runCmd("expr num_breakpoint_threads=%d" % num_breakpoint_threads) self.runCmd("expr num_crash_threads=%d" % num_crash_threads) self.runCmd("expr num_signal_threads=%d" % num_signal_threads) self.runCmd("expr num_watchpoint_threads=%d" % num_watchpoint_threads) - self.runCmd("expr num_delay_breakpoint_threads=%d" % num_delay_breakpoint_threads) - self.runCmd("expr num_delay_crash_threads=%d" % num_delay_crash_threads) - self.runCmd("expr num_delay_signal_threads=%d" % num_delay_signal_threads) - self.runCmd("expr num_delay_watchpoint_threads=%d" % num_delay_watchpoint_threads) + self.runCmd( + "expr num_delay_breakpoint_threads=%d" % + num_delay_breakpoint_threads) + self.runCmd( + "expr num_delay_crash_threads=%d" % + num_delay_crash_threads) + self.runCmd( + "expr num_delay_signal_threads=%d" % + num_delay_signal_threads) + self.runCmd( + "expr num_delay_watchpoint_threads=%d" % + num_delay_watchpoint_threads) # Continue the inferior so threads are spawned self.runCmd("continue") # Make sure we see all the threads. The inferior program's threads all synchronize with a pseudo-barrier; that is, - # the inferior program ensures all threads are started and running before any thread triggers its 'event'. + # the inferior program ensures all threads are started and running + # before any thread triggers its 'event'. num_threads = self.inferior_process.GetNumThreads() expected_num_threads = num_breakpoint_threads + num_delay_breakpoint_threads \ - + num_signal_threads + num_delay_signal_threads \ - + num_watchpoint_threads + num_delay_watchpoint_threads \ - + num_crash_threads + num_delay_crash_threads + 1 - self.assertEqual(num_threads, expected_num_threads, - 'Expected to see %d threads, but seeing %d. Details:\n%s' % (expected_num_threads, - num_threads, - "\n\t".join(self.describe_threads()))) + + num_signal_threads + num_delay_signal_threads \ + + num_watchpoint_threads + num_delay_watchpoint_threads \ + + num_crash_threads + num_delay_crash_threads + 1 + self.assertEqual( + num_threads, + expected_num_threads, + 'Expected to see %d threads, but seeing %d. Details:\n%s' % + (expected_num_threads, + num_threads, + "\n\t".join( + self.describe_threads()))) self.signal_count = self.count_signaled_threads() - self.crash_count = len(lldbutil.get_crashed_threads(self, self.inferior_process)) + self.crash_count = len( + lldbutil.get_crashed_threads( + self, self.inferior_process)) # Run to completion (or crash) - while not self.inferior_done(): + while not self.inferior_done(): if self.TraceOn(): self.runCmd("thread backtrace all") self.runCmd("continue") self.signal_count += self.count_signaled_threads() - self.crash_count += len(lldbutil.get_crashed_threads(self, self.inferior_process)) + self.crash_count += len( + lldbutil.get_crashed_threads( + self, self.inferior_process)) if num_crash_threads > 0 or num_delay_crash_threads > 0: # Expecting a crash - self.assertTrue(self.crash_count > 0, - "Expecting at least one thread to crash. Details: %s" % "\t\n".join(self.describe_threads())) + self.assertTrue( + self.crash_count > 0, + "Expecting at least one thread to crash. Details: %s" % + "\t\n".join( + self.describe_threads())) # Ensure the zombie process is reaped self.runCmd("process kill") elif num_crash_threads == 0 and num_delay_crash_threads == 0: - # There should be a single active thread (the main one) which hit the breakpoint after joining - self.assertEqual(1, self.finish_breakpoint.GetHitCount(), "Expected main thread (finish) breakpoint to be hit once") + # There should be a single active thread (the main one) which hit + # the breakpoint after joining + self.assertEqual( + 1, + self.finish_breakpoint.GetHitCount(), + "Expected main thread (finish) breakpoint to be hit once") num_threads = self.inferior_process.GetNumThreads() - self.assertEqual(1, num_threads, "Expecting 1 thread but seeing %d. Details:%s" % (num_threads, - "\n\t".join(self.describe_threads()))) + self.assertEqual( + 1, + num_threads, + "Expecting 1 thread but seeing %d. Details:%s" % + (num_threads, + "\n\t".join( + self.describe_threads()))) self.runCmd("continue") # The inferior process should have exited without crashing - self.assertEqual(0, self.crash_count, "Unexpected thread(s) in crashed state") - self.assertEqual(self.inferior_process.GetState(), lldb.eStateExited, PROCESS_EXITED) + self.assertEqual( + 0, + self.crash_count, + "Unexpected thread(s) in crashed state") + self.assertEqual( + self.inferior_process.GetState(), + lldb.eStateExited, + PROCESS_EXITED) # Verify the number of actions took place matches expected numbers expected_breakpoint_threads = num_delay_breakpoint_threads + num_breakpoint_threads - breakpoint_hit_count = self.thread_breakpoint.GetHitCount() if expected_breakpoint_threads > 0 else 0 - self.assertEqual(expected_breakpoint_threads, breakpoint_hit_count, - "Expected %d breakpoint hits, but got %d" % (expected_breakpoint_threads, breakpoint_hit_count)) + breakpoint_hit_count = self.thread_breakpoint.GetHitCount( + ) if expected_breakpoint_threads > 0 else 0 + self.assertEqual( + expected_breakpoint_threads, + breakpoint_hit_count, + "Expected %d breakpoint hits, but got %d" % + (expected_breakpoint_threads, + breakpoint_hit_count)) expected_signal_threads = num_delay_signal_threads + num_signal_threads - self.assertEqual(expected_signal_threads, self.signal_count, - "Expected %d stops due to signal delivery, but got %d" % (expected_signal_threads, self.signal_count)) + self.assertEqual( + expected_signal_threads, + self.signal_count, + "Expected %d stops due to signal delivery, but got %d" % + (expected_signal_threads, + self.signal_count)) expected_watchpoint_threads = num_delay_watchpoint_threads + num_watchpoint_threads - watchpoint_hit_count = self.thread_watchpoint.GetHitCount() if expected_watchpoint_threads > 0 else 0 - self.assertEqual(expected_watchpoint_threads, watchpoint_hit_count, - "Expected %d watchpoint hits, got %d" % (expected_watchpoint_threads, watchpoint_hit_count)) + watchpoint_hit_count = self.thread_watchpoint.GetHitCount( + ) if expected_watchpoint_threads > 0 else 0 + self.assertEqual( + expected_watchpoint_threads, + watchpoint_hit_count, + "Expected %d watchpoint hits, got %d" % + (expected_watchpoint_threads, + watchpoint_hit_count)) |
