diff options
Diffstat (limited to 'tests/configs')
| -rw-r--r-- | tests/configs/checkpoint.py | 133 | ||||
| -rw-r--r-- | tests/configs/realview-simple-atomic-checkpoint.py | 46 | ||||
| -rw-r--r-- | tests/configs/realview64-simple-atomic-checkpoint.py | 50 |
3 files changed, 229 insertions, 0 deletions
diff --git a/tests/configs/checkpoint.py b/tests/configs/checkpoint.py new file mode 100644 index 000000000..5ca3d07b7 --- /dev/null +++ b/tests/configs/checkpoint.py @@ -0,0 +1,133 @@ +# Copyright (c) 2015 ARM Limited +# All rights reserved. +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Andreas Sandberg + +from multiprocessing import Process +import sys +import os + +import m5 +m5.util.addToPath('../configs/common') + +_exit_normal = ( + "target called exit()", + "m5_exit instruction encountered", + ) + +_exit_limit = ( + "simulate() limit reached", + ) + +_exitcode_done = 0 +_exitcode_fail = 1 +_exitcode_checkpoint = 42 + + +def _run_step(name, restore=None, interval=0.5): + """ + Instantiate (optionally from a checkpoint if restore is set to the + checkpoitn name) the system and run for interval seconds of + simulated time. At the end of the simulation interval, create a + checkpoint and exit. + + As this function is intended to run in its own process using the + multiprocessing framework, the exit is a true call to exit which + terminates the process. Exit codes are used to pass information to + the parent. + """ + if restore is not None: + m5.instantiate(restore) + else: + m5.instantiate() + + e = m5.simulate(m5.ticks.fromSeconds(interval)) + cause = e.getCause() + if cause in _exit_limit: + m5.checkpoint(name) + sys.exit(_exitcode_checkpoint) + elif cause in _exit_normal: + sys.exit(_exitcode_done) + else: + print "Test failed: Unknown exit cause: %s" % cause + sys.exit(_exitcode_fail) + +def run_test(root, interval=0.5, max_checkpoints=5): + """ + Run the simulated system for a fixed amount of time and take a + checkpoint, then restore from the same checkpoint and run until + the system calls m5 exit. + """ + + cpt_name = os.path.join(m5.options.outdir, "test.cpt") + restore = None + + for cpt_no in range(max_checkpoints): + # Create a checkpoint from a separate child process. This enables + # us to get back to a (mostly) pristine state and restart + # simulation from the checkpoint. + p = Process(target=_run_step, + args=(cpt_name, ), + kwargs={ + "restore" : restore, + "interval" : interval, + }) + p.start() + + # Wait for the child to return + p.join() + + # Restore from the checkpoint next iteration + restore = cpt_name + + if p.exitcode == _exitcode_done: + print >> sys.stderr, "Test done." + sys.exit(0) + elif p.exitcode == _exitcode_checkpoint: + pass + else: + print >> sys.stderr, "Test failed." + sys.exit(1) + + # Maximum number of checkpoints reached. Just run full-speed from + # now on. + m5.instantiate() + e = m5.simulate() + cause = e.getCause() + if cause in _exit_normal: + sys.exit(0) + else: + print "Test failed: Unknown exit cause: %s" % cause + sys.exit(1) diff --git a/tests/configs/realview-simple-atomic-checkpoint.py b/tests/configs/realview-simple-atomic-checkpoint.py new file mode 100644 index 000000000..784d17bbb --- /dev/null +++ b/tests/configs/realview-simple-atomic-checkpoint.py @@ -0,0 +1,46 @@ +# Copyright (c) 2015 ARM Limited +# All rights reserved. +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Andreas Sandberg + +from m5.objects import * +from arm_generic import * +import checkpoint + +root = LinuxArmFSSystemUniprocessor(mem_mode='atomic', + mem_class=SimpleMemory, + cpu_class=AtomicSimpleCPU).create_root() + +run_test = checkpoint.run_test diff --git a/tests/configs/realview64-simple-atomic-checkpoint.py b/tests/configs/realview64-simple-atomic-checkpoint.py new file mode 100644 index 000000000..c90f0f3d4 --- /dev/null +++ b/tests/configs/realview64-simple-atomic-checkpoint.py @@ -0,0 +1,50 @@ +# Copyright (c) 2015 ARM Limited +# All rights reserved. +# +# The license below extends only to copyright in the software and shall +# not be construed as granting a license to any other intellectual +# property including but not limited to intellectual property relating +# to a hardware implementation of the functionality of the software +# licensed hereunder. You may use the software subject to the license +# terms below provided that you ensure that this notice is replicated +# unmodified and in its entirety in all distributions of the software, +# modified or unmodified, in source code or in binary form. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are +# met: redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer; +# redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution; +# neither the name of the copyright holders nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Andreas Sandberg + +import functools + +from m5.objects import * +from arm_generic import * +import checkpoint + +root = LinuxArmFSSystemUniprocessor(machine_type='VExpress_EMM64', + mem_mode='atomic', + mem_class=SimpleMemory, + cpu_class=AtomicSimpleCPU).create_root() + +run_test = functools.partial(checkpoint.run_test, interval=1.0) + |