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user/tools/tester.rst
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@ -10,26 +10,25 @@ RTEMS Tester and Run
.. index:: Tools, rtems-test, rtems-run
The RTEMS Tester is a test tool that provides a command line interface to run
test executable on supported targets. The tool provides back-end support for
test executables on supported targets. The tool provides back end support for
common simulators, debuggers and boot loaders. Board support package (BSP)
configurations for RTEMS are provided and can be used to run all the tests in
the RTEMS test suite. The tool and it's framework is not specific to RTEMS and
the RTEMS test suite. The tool and its framework is not specific to RTEMS and
can be configured to run any suitable application.
RTEMS is an embedded operating system and is cross-compiled on a range of host
machines. The executables run on the target hardware and this can vary widely
from open source simulators, commercial simulators, debuggers with simulators,
debuggers with hardware specific pods and devices to targe boot
loaders. Testing RTEMS requires the cross-compiled test executable is
transferred to the target hardware, executed and the output captured and
returned to the test host where it is analyzed to determine the test
result.
machines. The executables run on hardware which can vary widely from open
source simulators, commercial simulators, debuggers with simulators, debuggers
with hardware specific pods and devices, and targets with boot loaders.
Testing RTEMS requires that the cross-compiled test executable is transferred
to the target hardware, executed, the output captured and returned to the test
host where it is analyzed to determine the test result.
Running the RTEMS tests on your target is very important. It provides you with
a traceable record showing that your RTEMS version and its tools are working at
the level the RTEMS development team expect when releasing RTEMS. Being able to
easily run the tests and verify the results is critical in maintaining a high
standard.
easily run the tests and verify the results is critical in maintaining high
standards.
Available BSP testers
---------------------
@ -62,11 +61,11 @@ You can list the available BSP testers with:
project.
Some of the BSPs may appear more than once in the list. These are aliased BSP
configurations that may use a different back-end. An example is the erc32 BSP.
There is the ``erc32`` tester which uses the GDB back-end and the
``erc32-run`` tester which uses the ``run`` command for erc32. We will show
how to use :program:`rtems-test` command with the erc32 BSP because it is easy
to build an use.
configurations that may use a different back end. An example is the erc32 BSP.
There is the erc32 tester which uses the GDB back end and the ``erc32-run``
tester which uses the ``run`` command for erc32. We will show how to use
:program:`rtems-test` command with the erc32 BSP because it is easy to build
and use.
.. _BuildingRTEMSTests:
@ -84,19 +83,20 @@ configure after running ``bootstrap``.
--enable-tests --enable-rtemsbsp=erc32
$ make
Add the `-j` option to the make command with the number of cores to run a
parallel build.
Add the `-j` option to the make command with the number of parallel jobs to run a
parallel build (e.g. `-j 8`).
Building all the tests takes time and it uses more disk so be patient. When
finished all the tests will have been built. Some BSPs may require a post-build
process to be run on the RTEMS ELF executable to create an image suitable for
execution. This can be built into the configuration script and the tester will
perform a pre-test command to covert the executable to a suitable format for
your target.
make finishes, all the tests will have been built.
.. note:: Some BSPs may require a post-build process to be run on the RTEMS ELF
executable to create an image suitable for execution. This can be built
into the configuration script and the tester will perform a pre-test
command to convert the executable to a suitable format for your target.
Before running all the tests it is a good idea to run the ``hello`` test. The
``hello`` test is an RTEMS version of the classic Hello World example and
running it shows you have a working tool chain and build of RTEMS ready to run
``hello`` test is an RTEMS version of the classic "Hello World" example and
running it shows you have a working toolchain and build of RTEMS ready to run
the tests. Using the run with the ERC32 BSP the command is:
.. code-block:: none
@ -145,14 +145,14 @@ Running the example using SIS:
sis> q
The examples can also be run using GDB with SIS as the backend. SIS can be connected to
The examples can also be run using GDB with SIS as the back end. SIS can be connected to
gdb through a network socket using the gdb remote interface.
Either start SIS with ``-gdb``, or issue the ``gdb`` command inside SIS, and connect
gdb with ``target remote:1234``. The default port is ``1234``, the port can be changed
using the ``-port`` option.
Open a terminal and issue the command:
Open a terminal and issue the following command:
.. code-block:: none
@ -163,7 +163,7 @@ Open a terminal and issue the command:
gdb: listening on port 1234
Now open another terminal and issue the command:
Now open another terminal and issue the following command:
.. code-block:: none
@ -187,7 +187,7 @@ Now open another terminal and issue the command:
(gdb) target remote:1234
The ``target remote:1234`` will tell gdb to connect to the sis simulator. After this
command the output of the first terminal will change to
command the output of the first terminal will change to:
.. code-block:: none
@ -199,7 +199,7 @@ command the output of the first terminal will change to
gdb: listening on port 1234 connected
Before running the executable, it must be loaded, this is done using the
``load`` command in gdb, and to run, issue ``continue`` command.
``load`` command in gdb, and to run it, issue the ``continue`` command.
.. code-block:: none
@ -269,11 +269,11 @@ Running the Tests
-----------------
The :program:`rtems-test` command line accepts a range of options. These are
discussed later in the manual. Any command line argument without a `--` prefix
is a test executable. You can pass more than one executable on the command
line. If the executable is a path to a directory the directories under that
path are searched for any file with a ``.exe`` extension. This is the default
extension for RTEMS executables built within RTEMS.
discussed later in the manual. Command line arguments without a `--` prefix are
test executables or paths to directories. When using a path to a directory,
the directories under that path are searched for any file with a ``.exe`` extension.
This is the default extension for RTEMS executables built within RTEMS. You can
pass more than one executable on the command line.
To run the erc32 tests enter the following command from the top of the erc32
BSP build tree:
@ -311,24 +311,26 @@ BSP build tree:
Average test time: 0:00:27.963000
Testing time : 0:06:03.519012
The output has been shortened so it fits nicely here. Following the order of
appearance above, we have the following:
* The RTEMS Tester's test command. In this example we are using an absolute
path.
* The ``--log`` option sends the output to a log file. By default only failed
tests log the complete output.
* Select the erc32 BSP and use GDB.
* Path to the RTEMS tools so GDB can be found.
* Path to the erc32 BSP built with all tests to run. If you add subdirectories
* The ``--rtems-bsp`` option selects the erc32 BSP.
* The path to the RTEMS tools so GDB can be found.
* The path to the erc32 BSP tests to run. If you add subdirectories
to the path specific tests can be run.
* The output has been shortened so it fits nicely here.
* The test results shows passes, fails, timeouts, and invalid results. In
this run 13 tests passed and 5 tests timed out and 1 is invalid. The
timeouts are probably due to the tests not having enough execute time to
complete. The default timeout is 180 seconds and some of the interrupt tests
need longer. The amount of time depends on the performance of your host CPU
running the simulations.
* The output shows the average time per test and the total time taken to run
all the tests.
* If the path to the testsuites was put to
* The test results so far. See details below.
* Overall results of the run. In this run, 13 tests passed, 5 tests timed out
and 1 is invalid. The timeouts are probably due to the tests not having enough
time to complete. The default timeout is 180 seconds and some of the interrupt
tests need more time. The amount of time each test takes depends on the
performance of your host CPU when running the simulations.
* The average time per test and the total time taken to run all the tests.
.. note:: If the path to the testsuites was set to
``sparc-rtems5/c/erc32/testsuites`` instead of
``sparc-rtems5/c/erc32/testsuites/samples`` then all the executables
would have been tested and not just those in samples.
@ -336,33 +338,37 @@ BSP build tree:
This BSP requires the ``--rtems-tools`` option because the SPARC GDB is the
``sparc-rtems4.11-gdb`` command that is part of the RTEMS tools. Not every BSP
will require this option so you will need to check the specifics of the BSP
configuration to determine if it is needed.
configuration you are using in order to determine if it is needed.
The output you see is each test starting to run. The :program:`rtems-test`
An output line is printed for each test that is executed. The :program:`rtems-test`
command by default runs multiple tests in parallel so you will see a number
start quickly and then new tests start as others finish. The output shown here
is from an 8 core processor so the first 8 are started in parallel and the
status shows the order in which they actually started, which is not 1 to 8.
of tests starting quickly and then new tests start as others finish. For example,
the output shown above is from an 8-core processor. Thus, the first 8 tests
started in parallel and the status shows the order in which they actually started,
which is not necessarily sequential, as it happens in the example above where
test 8 started before test 7.
The test start line shows the current status of the tests. The status reported
is when the test starts and not the result of that test. A fail, timeout or
invalid count changing means a test running before this test started failed,
not the starting test. The status here has 7 tests passed, no failures, 5
timeouts and 1 invalid test.
Each output line shows information about the current status of the tests.
The status reported in each line is the status when the test starts and not the
result of that particular test. Thus, a fail, timeout or invalid count changing
means a test running before this test failed. The overall status in the end
shows that 7 tests passed, no failures, 5 timeouts and 1 invalid test.
Concerning the output of each line, we have the following:
.. code-block:: none
[ 5/13] p:2 f:0 u:0 e:0 I:0 B:0 t:0 i:0 | sparc/erc32: hello.exe
* [ 5/13] indicates the test number, in this case test 5 of 13 tests.
* ``p`` is the passed test count (2 in this case)
* ``f`` is the failed test count (0 in this case)
* ``u`` is the count for test marked as "user-input" as they expect input from
user
* ``e`` is the expected-fail count (tests that are expected to fail)
* ``I`` is the count for tests the results of which are indeterminate
* ``B`` is the count for benchmarked tests
* ``t`` is the timeout test count
* [ 5/13] indicates the test number, in this case test 5 out of 13 tests.
* ``p`` is the passed test count (2 in this case).
* ``f`` is the failed test count (0 in this case).
* ``u`` is the count for test marked as "user-input" (tests that expect input
from the user).
* ``e`` is the expected-fail count (tests that are expected to fail).
* ``I`` is the count for tests the results of which are indeterminate.
* ``B`` is the count for benchmarked tests.
* ``t`` is the timeout test count.
* ``i`` is the invalid test count.
* ``sparc/erc32`` is the architecture and BSP names.
* ``hello.exe`` is the executable name.
@ -371,11 +377,11 @@ The test log records all the tests and results. The logging mode by default
only provides the output history if a test fails, times out, or is invalid. The
time taken by each test is also recorded.
The tests must complete in a specified time or the test is marked as timed
out. The default timeout is 3 minutes and can be globally changed using the
The tests must complete in a specified period of time or the test is marked as
timed out. The default timeout is 3 minutes and can be globally changed using the
``--timeout`` command line option. The time required to complete a test can
vary. When simulators are run in parallel the time taken depends on the
specifics of the host machine being used. A test per core is the most stable
vary. When simulators are run in parallel, the time taken depends on the resources
available on the host machine being used. A test per core is the most stable
method even though more tests can be run than available cores. If your machine
needs longer or you are using a VM you may need to lengthen the timeout.
@ -408,7 +414,7 @@ A test fails if the start marker is seen and there is no end marker.
User-input
^^^^^^^^^^
A test marked as "user-input" as it expects input from user
A test marked as "user-input" as it expects input from user.
Expected-fail
^^^^^^^^^^^^^
@ -442,7 +448,7 @@ The following modes of logging are available:
* Failures (``failures``)
* None (``none``)
The mode is controlled using the command line option ``--log-mode`` using
This mode is controlled using the command line option ``--log-mode`` using
the values listed above.
All
@ -530,19 +536,19 @@ Reporting
---------
The RTEMS Tester supports output in a machine parsable format. This can be
enabled using the options "--report-path" and "--report-format". Currently,
enabled using the options ``--report-path`` and ``--report-format``. Currently,
JSON output is supported using these options like so:
'--report-path="report" --report-format=json'
``--report-path="report" --report-format=json``
This will produce a file "report.json" that contains output equivalent to the
"failure" logging mode.
This will produce a file ``report.json`` that contains output equivalent to the
``failure`` logging mode.
Running Tests in Parallel
-------------------------
The RTEMS Tester supports parallel execution of tests by default. This only
makes sense if the test back-end can run in parallel without resulting in
resource contention. Simulators are an example of back-ends that can run in
makes sense if the test back end can run in parallel without resulting in
resource contention. Simulators are an example of back ends that can run in
parallel. A hardware debug tool like a BDM or JTAG pod can manage only a
single test at once so the tests need to be run one at a time.
@ -554,7 +560,7 @@ Command Line Help
-----------------
The :program:`rtems-test` command line accepts a range of options. You can
review the available option by the ``--help`` option:
review the available options by using the ``--help`` option:
.. code-block:: none
@ -580,3 +586,7 @@ review the available option by the ``--help`` option:
--timeout : Set the test timeout in seconds (default 180 seconds)
--trace : Trace the execution
--warn-all : Generate warnings
.. note:: The list of options may be different for each release. For more
information, please see the available options for the release
you are using.