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Use the PyBind11 wrapping infrastructure instead of SWIG to generate
wrappers for functionality that needs to be exported to Python. This
has several benefits:
* PyBind11 can be redistributed with gem5, which means that we have
full control of the version used. This avoid a large number of
hard-to-debug SWIG issues we have seen in the past.
* PyBind11 doesn't rely on a custom C++ parser, instead it relies on
wrappers being explicitly declared in C++. The leads to slightly
more boiler-plate code in manually created wrappers, but doesn't
doesn't increase the overall code size. A big benefit is that this
avoids strange compilation errors when SWIG doesn't understand
modern language features.
* Unlike SWIG, there is no risk that the wrapper code incorporates
incorrect type casts (this has happened on numerous occasions in
the past) since these will result in compile-time errors.
As a part of this change, the mechanism to define exported methods has
been redesigned slightly. New methods can be exported either by
declaring them in the SimObject declaration and decorating them with
the cxxMethod decorator or by adding an instance of
PyBindMethod/PyBindProperty to the cxx_exports class variable. The
decorator has the added benefit of making it possible to add a
docstring and naming the method's parameters.
The new wrappers have the following known issues:
* Global events can't be memory managed correctly. This was the
case in SWIG as well.
Change-Id: I88c5a95b6cf6c32fa9e1ad31dfc08b2e8199a763
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Andreas Hansson <andreas.hansson@arm.com>
Reviewed-by: Andrew Bardsley <andrew.bardsley@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2231
Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Pierre-Yves Péneau <pierre-yves.peneau@lirmm.fr>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The test sub-command in tests.py incorrectly accepts various
formatting options in its usage string. These options aren't needed
since the test command doesn't produce any output.
Change-Id: I6d4731aa32a25a2286aa66548eaa0154a9392f79
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2840
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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Some of the functions in the Linux toolchain that allocate memory make
use of paired LR and SC instructions, which didn't work properly for
that toolchain. This patch fixes that so attempting to use those
functions doesn't cause an endless loop of failed SC instructions.
Change-Id: If27696323dd6229a0277818e3744fbdf7180fca7
Reviewed-on: https://gem5-review.googlesource.com/2340
Maintainer: Alec Roelke <ar4jc@virginia.edu>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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Previously, RISC-V in gem5 only supported RISC-V's Newlib toolchain
(riscv64-unknown-elf-*) due to incorrect assumptions made in the initial
setup of the user stack in SE mode. This patch fixes that by referring
to the RISC-V proxy kernel code (https://github.com/riscv/riscv-pk) and
setting up the stack according to how it does it. Now binaries compiled
using the Linux toolchain (riscv64-unknown-linux-gnu-*) will run as
well.
[Update for recent changes to MemState to add accessors and mutators to
get its members.]
Change-Id: I6d2c486df7688efe3df54273e9aa0fd686851285
Reviewed-on: https://gem5-review.googlesource.com/2305
Maintainer: Alec Roelke <ar4jc@virginia.edu>
Reviewed-by: Brandon Potter <Brandon.Potter@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The following CL delayed program exit and changed the stats for many if not
most of the SE mode regressions.
commit 2c1286865fc2542a0586ca4ff40b00765d17b348
Author: Brandon Potter <Brandon.Potter@amd.com>
Date: Wed Mar 1 14:52:23 2017 -0600
syscall-emul: Rewrite system call exit code
Change-Id: Id241f2b7d5374947597c715ee44febe1acc5ea16
Reviewed-on: https://gem5-review.googlesource.com/2656
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The following CL changed the stats:
commit 43418e7f81099072fb7d56dae11110ae1d858162
Author: Brandon Potter <Brandon.Potter@amd.com>
Date: Wed Mar 1 13:07:43 2017 -0600
syscall-emul: Move memState into its own file
It would be a good idea to try to figure out why, since it doesn't *look* like
this change was intended to move things around in memory or otherwise change
simulated behavior.
Change-Id: I0173ffdfb680a91b8c91f2bf5d7f72c76e7a8b63
Reviewed-on: https://gem5-review.googlesource.com/2655
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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A new stat was added by the CL:
commit b043dcf58ad766582aeab162fb855cc3fc95f2cf
Author: Andreas Sandberg <andreas.sandberg@arm.com>
Date: Mon Feb 27 13:17:51 2017 +0000
gpu-compute: Fix Python/C++ object hierarchy discrepancies
Change-Id: I665a7eb0bea19f379c5fbaaf4686fcbe8c008159
Reviewed-on: https://gem5-review.googlesource.com/2654
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The change below changed the behavior of interrupts on ARM and changed the
stats for the 10.linux-boot regression.
commit 746e2f3c27ad83c36b7bc3b8bd3c92004fcf995b
Author: Sudhanshu Jha <sudhanshu.jha@arm.com>
Date: Mon Feb 27 10:29:56 2017 +0000
arm, kmi: Clear interrupts in KMI devices
Change-Id: Ie1cfc26777f6ed2d3fd4340175941fda1fdb5b6a
Reviewed-on: https://gem5-review.googlesource.com/2653
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The change below changed the stats for the o3 version of the 40.m5threads
regression.
commit 2367198921765848a4f5b3d020a7cc5776209f80
Author: Brandon Potter <brandon.potter@amd.com>
Date: Mon Feb 27 14:10:15 2017 -0500
syscall_emul: [PATCH 15/22] add clone/execve for threading and
multiprocess simulations
Change-Id: I601c58d8d1453cf93f2065ea5816b63b553610e0
Reviewed-on: https://gem5-review.googlesource.com/2652
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The name of the stat was changed in the following change which broke all the
reference outputs.
commit 2367198921765848a4f5b3d020a7cc5776209f80
Author: Brandon Potter <brandon.potter@amd.com>
Date: Mon Feb 27 14:10:15 2017 -0500
syscall_emul: [PATCH 15/22] add clone/execve for threading and
multiprocess simulations
Change-Id: Id98b085ccae098c50c434ad81a72beee46084f40
Reviewed-on: https://gem5-review.googlesource.com/2651
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The following change removed a write to an integer register when completing
a system call. This changed the reference statistics slightly.
commit 073cb266079edddec64ea8cd5169dd2cbef8f812
Author: Brandon Potter <brandon.potter@amd.com>
Date: Mon Feb 27 14:10:02 2017 -0500
syscall_emul: [patch 14/22] adds identifier system calls
Change-Id: I3bee42ab826dd9cbc49aab34340da57caf4f045d
Reviewed-on: https://gem5-review.googlesource.com/2650
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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These stats were changed by this CL:
commit a4b546c3a139aeb33f087422637ac06fc4477d11
Author: Matthew Poremba <matthew.poremba@amd.com>
Date: Thu Jan 19 11:58:59 2017 -0500
ruby: Add occupancy stats to MessageBuffers
Change-Id: I9713ed44d94cba424cdfa92d746dfe8007583b40
Reviewed-on: https://gem5-review.googlesource.com/2649
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The change below introduced some new op classes which have their own stats,
and the counts the instructions used to be under have gone down.
commit 6c72c3551978ef2eabbe9727bf24fd2fcf385318
Author: Fernando Endo <fernando.endo2@gmail.com>
Date: Sat Oct 15 14:58:45 2016 -0500
cpu, arm: Distinguish Float* and SimdFloat*, create FloatMem* opClass
Change-Id: Ifa3a279493f503585a7b2cbb2785b106e24184bb
Reviewed-on: https://gem5-review.googlesource.com/2648
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The snoop_filter was enabled by default by this change:
commit 080d4e08d627b5b726afec71d38370373b7376c5
Author: Andreas Hansson <andreas.hansson@arm.com>
Date: Fri Aug 12 14:11:45 2016 +0100
mem: Add snoop filter to SystemXBar by default
Change-Id: I850473c70437588b47812f1dc00d6ecdb66daa36
Reviewed-on: https://gem5-review.googlesource.com/2647
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The following change added the new stat:
commit 0020662459fdd9efcfe9864ef12160515434ccdb
Author: David Guillen Fandos <david.guillen@arm.com>
Date: Thu Jul 21 17:19:14 2016 +0100
mem: Add snoop traffic statistic
Change-Id: I9ee0fb4b8cc97c6b94e76ab5524f89c78c97d1a6
Reviewed-on: https://gem5-review.googlesource.com/2646
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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The CPU power state bins where changed by the following
CL:
commit fb5fc11da49938660ea22c336964677cdba890e1
Author: David Guillen Fandos <david.guillen@arm.com>
Date: Mon Jun 6 17:16:43 2016 +0100
pwr: Low-power idle power state for idle CPUs
Change-Id: I8b3924681c8a85b7bbe061b671faf274ce882f91
Reviewed-on: https://gem5-review.googlesource.com/2644
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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These were silenced in:
commit d4342aff4ce347ad8ab5a01fdd41993106cd3ece
Author: Andreas Sandberg <andreas.sandberg@arm.com>
Date: Mon Jun 6 17:16:43 2016 +0100
stats: Silence unused power stats
Change-Id: I273e8190b76335505bedfea88ef89abee1739b8a
Reviewed-on: https://gem5-review.googlesource.com/2643
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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A large number of stats were added by the following change:
commit 5350879f499470a2683dfec6cff021dd7ac20fa6
Author: David Guillen Fandos <david.guillen@arm.com>
Date: Mon Jun 6 17:16:43 2016 +0100
pwr: Add power states to ClockedObject
Change-Id: Iec32bb7f701db0a09be26fe5ffb2812385f972c2
Reviewed-on: https://gem5-review.googlesource.com/2642
Maintainer: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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This was emptied accidentally by the CL below. A lot of other files were too,
but those were eventually refilled.
commit 62b6ff22ec1f90014b1d0fc778014bdb38cc09ce
Author: Curtis Dunham <Curtis.Dunham@arm.com>
Date: Tue May 31 11:07:18 2016 +0100
stats: update for snoop filter tweak
Change-Id: I34aefca51a92a6a98f6a8fdbdab7106cc1fff171
Reviewed-on: https://gem5-review.googlesource.com/2641
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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With this change, the test script will output a warning when it reads
an incomplete (e.g., when a regression is still running) or corrupt
status file instead of throwing an exception. When the scipt is used
to show the results the corrupt file is skipped; when it is used to
test if all regressions run successfully it will return an error value
(2).
Change-Id: Ie7d9b457b200e3abc7ae6238e3efbf3d18cf4297
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/2320
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Jason Lowe-Power <jason@lowepower.com>
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This changeset add fields to the process object and adds the following
three system calls: setpgid, gettid, getpid.
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It's currently possible to change the log level in gem5 by tweaking a
set of global variables. These variables are currently exposed to
Python using SWIG. This mechanism is far from ideal for two reasons:
First, changing the log level requires that the Python world enables
or disables individual levels. Ideally, this should be a single call
where a log level is selected. Second, exporting global variables is
poorly supported by most Python frameworks. SWIG puts variables in
their own namespace and PyBind doesn't seem to support it at all.
This changeset refactors the logging code to create a more abstract
interface. Each log level is associated with an instance of a Logger
class. This class contains common functionality, an enable flag, and a
verbose flag.
Available LogLevels are described by the LogLevel class. Lower log
levels are used for more critical messages (PANIC being level 0) and
higher levels for less critical messages. The highest log level that
is printed is controlled by calling Logger:setLevel().
Change-Id: I31e44299d242d953197a8e62679250c91d6ef776
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Gabor Dozsa <gabor.dozsa@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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Don't output verbose text descriptions in stat files when running
tests. This saves a lot of space when storing reference data.
Change-Id: I2a7ead4843586e800ecf83846694b73f0c356373
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Sascha Bischoff <sascha.bischoff@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-by: Tony Gutierrez <anthony.gutierrez@amd.com>
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Line everything up again.
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The EIOProcess class was removed recently and it was the only other class
which derived from Process. Since every Process invocation is also a
LiveProcess invocation, it makes sense to simplify the organization by
combining the fields from LiveProcess into Process.
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Names of DRAM configurations were updated to reflect both
the channel and device data width.
Previous naming format was:
<DEVICE_TYPE>_<DATA_RATE>_<CHANNEL_WIDTH>
The following nomenclature is now used:
<DEVICE_TYPE>_<DATA_RATE>_<n>x<w>
where n = The number of devices per rank on the channel
x = Device width
Total channel width can be calculated by n*w
Example:
A 64-bit DDR4, 2400 channel consisting of 4-bit devices:
n = 16
w = 4
The resulting configuration name is:
DDR4_2400_16x4
Updated scripts to match new naming convention.
Added unique configurations for DDR4 for:
1) 16x4
2) 8x8
3) 4x16
Change-Id: Ibd7f763b7248835c624309143cb9fc29d56a69d1
Reviewed-by: Radhika Jagtap <radhika.jagtap@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
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Provides a helpful error when tests.py is invoked without the gem5 binary.
Before:
Running 0 tests
After:
gem5 binary 'quick/...' not an executable file
Change-Id: I1566802206c9e21ca89bd03e91db22844168a085
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
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The system calls tested in rv64i.cpp in RISC-V's insttest suite have
different behavior depending on the operating system and file system they
are run on. This patch ignores the output of those tests and only
ensures that the instructions in RV64I complete successfully.
[Change deletion of ECALL test to block comment.]
[Restore ECALL test but remove test output to test only for completion
without error.]
[Update patch description and again try to push EMPTY files for rv64i
tests.]
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In some newer Linux distributions, env python default to Python 3.0. This
patch explicitly uses "python2" instead of just "python" for all scripts
that use #!
Reported-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
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Swig wrappers for native objects currently share the _m5.internal name
space with Python code. This is undesirable if we ever want to switch
from Swig to some other framework for native binding (e.g., PyBind11
or Boost::Python). This changeset moves all of such wrappers to the
_m5 namespace, which is now reserved for native code.
Change-Id: I2d2bc12dbc05b57b7c5a75f072e08124413d77f3
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
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This patch is the eighth patch in a series adding RISC-V to gem5, and
third of the bonus patches to the original series of five. It adds some
regression tests to RISC-V.
Regression tests included:
- se/00.hello
- se/02.insttest (split into several binaries which are not included due
to large size)
The tests added to 00.insttest will need to be build manually; to
facilitate this, a Makefile is included. The required toolchain and
compiler (riscv64-unknown-elf-gcc) can be built from the riscv-tools
GitHub repository at https://github.com/riscv/riscv-tools.
Note that because EBREAK only makes sense when gdb is running or while in
FS mode, it is not included in the linux-rv64i insttest. ERET is not
included because it does not make sense in SE mode and, in fact, causes
a panic by design.
Note also that not every system call is tested in linux-rv64i; of the ones
defined in linux/process.hh, some have been given numbers but not
definitions for the toolchain, or are merely stubs that always return 0. Of
the ones that do work properly, only a subset are tested due to similar
functionality.
Signed-off by: Alec Roelke
Signed-off by: Jason Lowe-Power <jason@lowepower.com>
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Since protobuf is still considered optional we do not always have the
TrafficGen. Check before running the memcheck regression.
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Reflect the removal of the syscall tracking.
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This patch avoids compiling ALPHA six times as part of running
'util/regress', and instead relis on NULL with different protocols to
run the rubytest. All we need is the memory system, so there is really
no need to compile the ISA over and over again.
The one downside is the removal of running 'hello' for the variuos
ALPHA and protocol combinations, but if this is a concern we should
rather beef up the synthetic tests for the variuos protocols.
--HG--
rename : build_opts/NULL => build_opts/NULL_MESI_Two_Level
rename : build_opts/NULL => build_opts/NULL_MOESI_CMP_directory
rename : build_opts/NULL => build_opts/NULL_MOESI_CMP_token
rename : build_opts/NULL => build_opts/NULL_MOESI_hammer
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/config.ini => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MESI_Two_Level/config.ini
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simerr => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MESI_Two_Level/simerr
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/simout => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MESI_Two_Level/simout
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MESI_Two_Level/stats.txt => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MESI_Two_Level/stats.txt
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_directory/config.ini => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_directory/config.ini
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_directory/simerr => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_directory/simerr
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_directory/simout => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_directory/simout
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_directory/stats.txt => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_directory/stats.txt
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_token/config.ini => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_token/config.ini
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_token/simerr => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_token/simerr
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_token/simout => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_token/simout
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_CMP_token/stats.txt => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_CMP_token/stats.txt
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_hammer/config.ini => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_hammer/config.ini
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_hammer/simerr => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_hammer/simerr
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_hammer/simout => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_hammer/simout
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby-MOESI_hammer/stats.txt => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby-MOESI_hammer/stats.txt
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby/config.ini => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby/config.ini
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby/simerr => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby/simerr
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby/simout => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby/simout
rename : tests/quick/se/60.rubytest/ref/alpha/linux/rubytest-ruby/stats.txt => tests/quick/se/60.rubytest/ref/null/none/rubytest-ruby/stats.txt
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No one appears to be using it, and it is causing build issues
and increases the development and maintenance effort.
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Mostly just splitting out the floats ops and corresponding
reads/writes.
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Continue along the same line as the recent patch that made the
Ruby-related config scripts Python packages and make also the
configs/common directory a package.
All affected config scripts are updated (hopefully).
Note that this change makes it apparent that the current organisation
and naming of the config directory and its subdirectories is rather
chaotic. We mix scripts that are directly invoked with scripts that
merely contain convenience functions. While it is not addressed in
this patch we should follow up with a re-organisation of the
config structure, and renaming of some of the packages.
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This patch moves the addition of network options into the Ruby module
to avoid the regressions all having to add it explicitly. Doing this
exposes an issue in our current config system though, namely the fact
that addtoPath is relative to the Python script being executed. Since
both example and regression scripts use the Ruby module we would end
up with two different (relative) paths being added. Instead we take a
first step at turning the config modules into Python packages, simply
by adding a __init__.py in the configs/ruby, configs/topologies and
configs/network subdirectories.
As a result, we can now add the top-level configs directory to the
Python search path, and then use the package names in the various
modules. The example scripts are also updated, and the messy
path-deducing variations in the scripts are unified.
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Two of the switcheroo tests were accidentally removed due to
unexpected Mercurial behavior.
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
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The memtest and memcheck are not designed to test timing. Make them
functional only to make ref diffs less noisy in the future.
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
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The switcheroo tests only really serve to check functional
correctness. Checking for stat differences in them just increases the
size of reference diffs.
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
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Switcheroo and checkpoint tests should generally be considered to be
successful if they run to completion. Remove all reference output
files from the switcheroo and checkopint tests to make them purely
functional.
Change-Id: I70b47853bd662b7a33716d9e0d2154b16077f9dc
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
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Modify the ClassicTest class to only emit a stat verification test
unit if there is a reference stat file. This makes it possible to
design tests that don't care about stat changes.
To generate purely functional tests, we need to be able to create
empty test reference directories. This does not work well with many
revision control systems. As a workaround, add a file named EMPTY to
the list of ignored files in the test harness. This file can be used
as a placeholder in otherwise empty test directories.
Change-Id: I583c8c4e55479f0d48fa99d0b0d1eac9221e6652
Signed-off-by: Andreas Sandberg <andreas.sandberg@arm.com>
Reviewed-by: Curtis Dunham <curtis.dunham@arm.com>
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Add #ifdef's to gpu-hello.cpp demonstrating how to annotate an application
for KVM acceleration.
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An email sent to gem5-users and gem5-dev asking if anyone was
still using EIO traces got no responses, so it seems like it's
not worth maintaining this any longer.
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