X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Fregression%2Fkernel%2Fvalidate_select_poll_epoll.py;h=7340280c72b806d050c206ad6b585918085f2bd3;hb=2a2ac572b7d75ef18ce4dfe73b89a00da44bcb61;hp=3a62a1f1bba088da910d05a6a871f86c077d3628;hpb=9d16b343fb9e781fc8d8fa3c448a3f382306dd33;p=lttng-tools.git diff --git a/tests/regression/kernel/validate_select_poll_epoll.py b/tests/regression/kernel/validate_select_poll_epoll.py index 3a62a1f1b..7340280c7 100755 --- a/tests/regression/kernel/validate_select_poll_epoll.py +++ b/tests/regression/kernel/validate_select_poll_epoll.py @@ -9,23 +9,23 @@ import argparse import pprint import sys import time +import json from collections import defaultdict -NSEC_PER_SEC = 1000000000 - try: - from babeltrace import TraceCollection + import bt2 except ImportError: # quick fix for debian-based distros sys.path.append("/usr/local/lib/python%d.%d/site-packages" % (sys.version_info.major, sys.version_info.minor)) - from babeltrace import TraceCollection + import bt2 +NSEC_PER_SEC = 1000000000 class TraceParser: - def __init__(self, trace, pid): - self.trace = trace + def __init__(self, trace_msg_iter, pid): + self.trace = trace_msg_iter self.pid = pid # This dictionnary holds the results of each testcases of a test. @@ -51,16 +51,19 @@ class TraceParser: def parse(self): # iterate over all the events - for event in self.trace.events: - if self.pid is not None and event["pid"] != self.pid: + for msg in self.trace: + if type(msg) is not bt2._EventMessageConst: + continue + + if self.pid is not None and msg.event["pid"] != self.pid: continue - method_name = "handle_%s" % event.name.replace(":", "_").replace( + method_name = "handle_%s" % msg.event.name.replace(":", "_").replace( "+", "_") # call the function to handle each event individually if hasattr(TraceParser, method_name): func = getattr(TraceParser, method_name) - func(self, event) + func(self, msg.event) ret = 0 # For each event of the test case, check all entries for failed @@ -108,16 +111,16 @@ class TraceParser: self.epoll_wait_exit(event) def handle_compat_syscall_entry_epoll_pwait(self, event): - self.epoll_wait_entry(event) + self.epoll_pwait_entry(event) def handle_compat_syscall_exit_epoll_pwait(self, event): - self.epoll_wait_exit(event) + self.epoll_pwait_exit(event) def handle_syscall_entry_epoll_pwait(self, event): - self.epoll_wait_entry(event) + self.epoll_pwait_entry(event) def handle_syscall_exit_epoll_pwait(self, event): - self.epoll_wait_exit(event) + self.epoll_pwait_exit(event) def epoll_wait_entry(self, event): pass @@ -125,6 +128,12 @@ class TraceParser: def epoll_wait_exit(self, event): pass + def epoll_pwait_entry(self, event): + self.epoll_wait_entry(event) + + def epoll_pwait_exit(self, event): + self.epoll_wait_exit(event) + ## poll + ppoll def handle_compat_syscall_entry_poll(self, event): self.poll_entry(event) @@ -219,9 +228,14 @@ class TraceParser: pass -class Test1(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class WorkingCases(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) + + # Values expected in the trace + self.epoll_wait_fd = validation_args['epoll_wait_fd'] + self.epoll_pwait_fd = validation_args['epoll_pwait_fd'] + self.expect["select_entry"]["select_in_fd0"] = 0 self.expect["select_entry"]["select_in_fd1023"] = 0 self.expect["select_exit"]["select_out_fd0"] = 0 @@ -232,6 +246,8 @@ class Test1(TraceParser): self.expect["epoll_ctl_exit"]["epoll_ctl_out_ok"] = 0 self.expect["epoll_wait_entry"]["epoll_wait_in_ok"] = 0 self.expect["epoll_wait_exit"]["epoll_wait_out_fd0"] = 0 + self.expect["epoll_pwait_entry"]["epoll_pwait_in_ok"] = 0 + self.expect["epoll_pwait_exit"]["epoll_pwait_out_fd0"] = 0 def select_entry(self, event): n = event["n"] @@ -317,7 +333,7 @@ class Test1(TraceParser): # check that we have FD 0 waiting for EPOLLIN|EPOLLPRI and that # data.fd = 0 - if epfd == 3 and op_enum == "EPOLL_CTL_ADD" and fd == 0 and \ + if (epfd == self.epoll_wait_fd or epfd == self.epoll_pwait_fd) and 'EPOLL_CTL_ADD' in op_enum.labels and fd == 0 and \ _event["data_union"]["fd"] == 0 and \ _event["events"]["EPOLLIN"] == 1 and \ _event["events"]["EPOLLPRI"] == 1: @@ -340,7 +356,7 @@ class Test1(TraceParser): maxevents = event["maxevents"] timeout = event["timeout"] - if epfd == 3 and maxevents == 1 and timeout == -1: + if epfd == self.epoll_wait_fd and maxevents == 1 and timeout == -1: self.expect["epoll_wait_entry"]["epoll_wait_in_ok"] = 1 # Save values of local variables to print in case of test failure @@ -361,10 +377,35 @@ class Test1(TraceParser): # Save values of local variables to print in case of test failure self.recorded_values["epoll_wait_exit"] = locals() + def epoll_pwait_entry(self, event): + epfd = event["epfd"] + maxevents = event["maxevents"] + timeout = event["timeout"] + + if epfd == self.epoll_pwait_fd and maxevents == 1 and timeout == -1: + self.expect["epoll_pwait_entry"]["epoll_pwait_in_ok"] = 1 + + # Save values of local variables to print in case of test failure + self.recorded_values["epoll_pwait_entry"] = locals() + + def epoll_pwait_exit(self, event): + ret = event["ret"] + fds_length = event["fds_length"] + overflow = event["overflow"] + + # check that FD 0 returned with EPOLLIN and the right data.fd + if ret == 1 and fds_length == 1: + fd_0 = event["fds"][0] + if overflow == 0 and fd_0["data_union"]["fd"] == 0 and \ + fd_0["events"]["EPOLLIN"] == 1: + self.expect["epoll_pwait_exit"]["epoll_pwait_out_fd0"] = 1 + + # Save values of local variables to print in case of test failure + self.recorded_values["epoll_pwait_exit"] = locals() -class Test2(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class WorkingCasesTimeout(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["select_entry"]["select_timeout_in_fd0"] = 0 self.expect["select_entry"]["select_timeout_in_fd1023"] = 0 self.expect["select_exit"]["select_timeout_out"] = 0 @@ -435,7 +476,7 @@ class Test2(TraceParser): _event = event["event"] # make sure we see a EPOLLIN|EPOLLPRI - if op_enum == "EPOLL_CTL_ADD" and \ + if 'EPOLL_CTL_ADD' in op_enum.labels and \ _event["events"]["EPOLLIN"] == 1 and \ _event["events"]["EPOLLPRI"] == 1: self.expect["epoll_ctl_entry"]["epoll_ctl_timeout_in_add"] = 1 @@ -474,9 +515,9 @@ class Test2(TraceParser): self.recorded_values["epoll_wait_exit"] = locals() -class Test3(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class PselectInvalidFd(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["select_entry"]["select_invalid_fd_in"] = 0 self.expect["select_exit"]["select_invalid_fd_out"] = 0 @@ -503,9 +544,9 @@ class Test3(TraceParser): self.recorded_values["select_exit"] = locals() -class Test4(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class PpollBig(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["poll_entry"]["big_poll_in"] = 0 self.expect["poll_exit"]["big_poll_out"] = 0 @@ -543,9 +584,9 @@ class Test4(TraceParser): # Save values of local variables to print in case of test failure self.recorded_values["poll_exit"] = locals() -class Test5(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class PpollFdsBufferOverflow(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["poll_entry"]["poll_overflow_in"] = 0 self.expect["poll_exit"]["poll_overflow_out"] = 0 @@ -577,9 +618,9 @@ class Test5(TraceParser): self.recorded_values["poll_exit"] = locals() -class Test6(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class PselectInvalidPointer(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["select_entry"]["pselect_invalid_in"] = 0 self.expect["select_exit"]["pselect_invalid_out"] = 0 @@ -610,9 +651,9 @@ class Test6(TraceParser): self.recorded_values["select_exit"] = locals() -class Test7(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class PpollFdsULongMax(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) self.expect["poll_entry"]["poll_max_in"] = 0 self.expect["poll_exit"]["poll_max_out"] = 0 @@ -641,9 +682,13 @@ class Test7(TraceParser): self.recorded_values["poll_exit"] = locals() -class Test8(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class EpollPwaitInvalidPointer(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) + + # Values expected in the trace + self.epoll_fd = validation_args['epollfd'] + self.expect["epoll_wait_entry"]["epoll_wait_invalid_in"] = 0 self.expect["epoll_wait_exit"]["epoll_wait_invalid_out"] = 0 @@ -654,7 +699,7 @@ class Test8(TraceParser): # test that event in valid even though the target buffer pointer is # invalid and the program segfaults - if epfd == 3 and maxevents == 1 and timeout == -1: + if epfd == self.epoll_fd and maxevents == 1 and timeout == -1: self.expect["epoll_wait_entry"]["epoll_wait_invalid_in"] = 1 # Save values of local variables to print in case of test failure @@ -674,9 +719,13 @@ class Test8(TraceParser): self.recorded_values["epoll_wait_exit"] = locals() -class Test9(TraceParser): - def __init__(self, trace, pid): - super().__init__(trace, pid) +class EpollPwaitIntMax(TraceParser): + def __init__(self, trace, validation_args): + super().__init__(trace, validation_args['pid']) + + # Values expected in the trace + self.epoll_fd = validation_args['epollfd'] + self.expect["epoll_wait_entry"]["epoll_wait_max_in"] = 0 self.expect["epoll_wait_exit"]["epoll_wait_max_out"] = 0 @@ -686,7 +735,7 @@ class Test9(TraceParser): timeout = event["timeout"] # check the proper working of INT_MAX maxevent value - if epfd == 3 and maxevents == 2147483647 and timeout == -1: + if epfd == self.epoll_fd and maxevents == 2147483647 and timeout == -1: self.expect["epoll_wait_entry"]["epoll_wait_max_in"] = 1 # Save values of local variables to print in case of test failure @@ -708,47 +757,51 @@ class Test9(TraceParser): if __name__ == "__main__": parser = argparse.ArgumentParser(description='Trace parser') parser.add_argument('path', metavar="", help='Trace path') - parser.add_argument('-t', '--test', type=int, help='Test to validate') - parser.add_argument('-p', '--pid', type=int, help='PID of the app') + parser.add_argument('-t', '--test', type=str, help='Test to validate') + parser.add_argument('-o', '--validation-file', type=str, help='Validation file path') args = parser.parse_args() if not args.test: - print("Need to pass a test to validate (-t)") + print("Need to pass a test to validate (--test/-t)") sys.exit(1) - if not args.pid: - print("Need to pass the PID to check (-p)") + if not args.validation_file: + print("Need to pass the test validation file (--validation-file/-o)") sys.exit(1) - traces = TraceCollection() - handle = traces.add_traces_recursive(args.path, "ctf") - if handle is None: - sys.exit(1) + traces = bt2.TraceCollectionMessageIterator(args.path) + + with open(args.validation_file) as f: + try: + test_validation_args = json.load(f) + except Exception as e: + print('Failed to parse validation file: ' + str(e)) + sys.exit(1) t = None - if args.test == 1: - t = Test1(traces, args.pid) - elif args.test == 2: - t = Test2(traces, args.pid) - elif args.test == 3: - t = Test3(traces, args.pid) - elif args.test == 4: - t = Test4(traces, args.pid) - elif args.test == 5: - t = Test5(traces, args.pid) - elif args.test == 6: - t = Test6(traces, args.pid) - elif args.test == 7: - t = Test7(traces, args.pid) - elif args.test == 8: - t = Test8(traces, args.pid) - elif args.test == 9: - t = Test9(traces, args.pid) - elif args.test == 10: + if args.test == "working_cases": + t = WorkingCases(traces, test_validation_args) + elif args.test == "working_cases_timeout": + t = WorkingCasesTimeout(traces, test_validation_args) + elif args.test == "pselect_invalid_fd": + t = PselectInvalidFd(traces, test_validation_args) + elif args.test == "ppoll_big": + t = PpollBig(traces, test_validation_args) + elif args.test == "ppoll_fds_buffer_overflow": + t = PpollFdsBufferOverflow(traces, test_validation_args) + elif args.test == "pselect_invalid_pointer": + t = PselectInvalidPointer(traces, test_validation_args) + elif args.test == "ppoll_fds_ulong_max": + t = PpollFdsULongMax(traces, test_validation_args) + elif args.test == "epoll_pwait_invalid_pointer": + t = EpollPwaitInvalidPointer(traces, test_validation_args) + elif args.test == "epoll_pwait_int_max": + t = EpollPwaitIntMax(traces, test_validation_args) + elif args.test == "ppoll_concurrent_write": # stress test, nothing reliable to check ret = 0 - elif args.test == 11: + elif args.test == "epoll_pwait_concurrent_munmap": # stress test, nothing reliable to check ret = 0 else: @@ -758,7 +811,4 @@ if __name__ == "__main__": if t is not None: ret = t.parse() - for h in handle.values(): - traces.remove_trace(h) - sys.exit(ret)