Commit Graph

248 Commits

Author SHA1 Message Date
Linus Torvalds
99dbb1632f Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull the trivial tree from Jiri Kosina:
 "Tiny usual fixes all over the place"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (34 commits)
  doc: fix old config name of kprobetrace
  fs/fs-writeback.c: cleanup riteback_sb_inodes kerneldoc
  btrfs: fix the commment for the action flags in delayed-ref.h
  btrfs: fix trivial typo for the comment of BTRFS_FREE_INO_OBJECTID
  vfs: fix kerneldoc for generic_fh_to_parent()
  treewide: fix comment/printk/variable typos
  ipr: fix small coding style issues
  doc: fix broken utf8 encoding
  nfs: comment fix
  platform/x86: fix asus_laptop.wled_type module parameter
  mfd: printk/comment fixes
  doc: getdelays.c: remember to close() socket on error in create_nl_socket()
  doc: aliasing-test: close fd on write error
  mmc: fix comment typos
  dma: fix comments
  spi: fix comment/printk typos in spi
  Coccinelle: fix typo in memdup_user.cocci
  tmiofb: missing NULL pointer checks
  tools: perf: Fix typo in tools/perf
  tools/testing: fix comment / output typos
  ...
2012-10-01 09:06:36 -07:00
Adam Lee
fb16d8912d kconfig: replace 'oldnoconfig' with 'olddefconfig', and keep the old name as an alias
As 67d34a6a39 said, 'oldnoconfig' doesn't
set new symbols to 'n', but instead sets it to their default values.

So, this patch replaces 'oldnoconfig' with 'olddefconfig', stop making
people confused, and keep the old name 'oldnoconfig' as an alias,
because people already are dependent on its behavior with the
counter-intuitive name.

Signed-off-by: Adam Lee <adam8157@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2012-09-27 18:18:07 +02:00
Steven Rostedt
95f5783841 ktest: Fix ELSE IF statements
The ELSE IF statements do not work as expected if another ELSE statement
follows. This is because the $if_set is not set. If the ELSE IF
condition is true, the following ELSE should be ignored. But because the
$if_set is not set, the following ELSE will also be executed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-09-26 14:48:17 -04:00
Masanari Iida
ce8283d56c tools/testing: fix comment / output typos
Correct spelling typo in tools/testing

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-09-01 08:48:19 -07:00
Steven Rostedt
8fddbe9bbf ktest: Allow perl regex expressions in conditional statements
Add '=~' and '!~' to the list of allowed conditionals for DEFAULT and
TEST_START section if statements.

ie.

 TEST_START IF TEST =~ .*test$

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-30 14:37:01 -04:00
Steven Rostedt
9b1d367dbb ktest: Ignore errors it tests if IGNORE_ERRORS is set
The option IGNORE_ERRORS is used to allow a test to succeed even if a
warning appears from the kernel. Sometimes kernels will produce warnings
that are not associated with a test, and the user wants to test
something else.

The IGNORE_ERRORS works for boot up, but was not preventing test runs to
succeed if the kernel produced a warning.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-30 14:33:55 -04:00
Steven Rostedt
c1434dcc57 ktest: Reset saved min (force) configs for each test
The min configs are saved in a perl hash called force_configs, and this
hash is used to add configs to the .config file. But it was not being
reset between tests and a min config from a previous test would affect
the min config of the next test causing undesirable results.

Reset the force_config hash at the start of each test.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-20 22:39:16 -04:00
Steven Rostedt
8a80c72711 ktest: Add check for bug or panic during reboot
Usually the target is booted into a dependable kernel when a test
starts. The test will install the test kernel and reboot the box. But
there may be a time that the kernel is running an unreliable kernel and
the reboot may crash.

Have ktest detect crashes on a reboot and force a power-cycle instead.

This can usually happen if a test kernel was installed to run manual
tests, but the user forgot to reboot to the known good kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 16:11:21 -04:00
Steven Rostedt
407b95b7a0 ktest: Add MAX_MONITOR_WAIT option
If the console is constantly outputting content, this can cause ktest
to get stuck waiting on the monitor to settle down.

The option MAX_MONITOR_WAIT is the maximum time (in seconds) for ktest
to wait for the console to flush.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 16:05:42 -04:00
Steven Rostedt
cf79fab676 ktest: Fix config bisect with how make oldnoconfig works
With a name like 'oldnoconfig' one may think that the config generated
would disable all configs that were not defined (selecting "no" for all
options). But this is not the case. It selects the default. If a config
has a 'default y', then it is added if not specified.

This broke the config bisect, because options not specified by a config
will just use the default, where it expected to turn off. This caused an
option to be enabled that disabled an option that would break the build.
The end result was that we never found the bad config at the end of the
test.

Instead of using 'make oldnoconfig', ktest now builds the options it
expects enabled and disabled. When it turns off an option, it will no
longer remove it, but actually set it to:

 # CONFIG_FOO is not set.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 15:29:43 -04:00
Steven Rostedt
b091861254 ktest: Add CONFIG_BISECT_CHECK option
The config-bisect can take a bad config and bisect it down to find out
what config actually breaks the config. But as all tests will apply a
minconfig (defined by a user) to apply before booting, it is possible
that the minconfig could actually make the bad config work (minconfigs
can disable configs). The end result is that the config bisect test will
not find a config that breaks. This can be rather frustrating to the
user.

The CONFIG_BISECT_CHECK option, when set to 1, will make sure that the
bad config (with the minconfig applied) still fails before trying to
bisect.

And yes, I did get burned by this.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 15:26:00 -04:00
Steven Rostedt
e5c2ec11a0 ktest: Add PRE_INSTALL option
Add the PRE_INSTALL option that will allow a user to specify a shell
command to be executed before the install operation executes.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 15:22:05 -04:00
Steven Rostedt
921ed4c720 ktest: Add PRE/POST_KTEST and TEST options
In order to let the user add commands before and after ktest runs, the
PRE_KTEST and POST_KTEST options are defined. They hold shell commands
that will execute befor ktest runs its first test, as well as when it
completed its last test.

The PRE_TEST and POST_TEST will be run befor and after (respectively)
for a given test. They can either be global (done for all tests) or
defined by a single test.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 15:18:27 -04:00
Steven Rostedt
958d8435c2 ktest: Remove commented exit
A debug 'exit' was left in ktest.pl. Remove it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-07-19 15:17:23 -04:00
Jesper Juhl
11c38b7575 ktest: Change singular "paranthesis" to plural "parentheses"
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-23 10:19:09 -04:00
Steven Rostedt
24d0c03014 ktest: Add README to explain what is in the examples directory
Add a README that explains what the different example configs in the
ktest example directory are about.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:15:12 -04:00
Steven Rostedt
b6d300361b ktest: Add the snowball.conf example config
I used the snowball.conf in a live demo that demonstrated how to use
ktest.pl with a snowball ARM board. I've been asked to included that
config in the ktest repository.

Here it is.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:13:32 -04:00
Steven Rostedt
2e10952622 ktest: Add an example config that does cross compiling of several archs
Add the config that I use to test several archs. I downloaded several
cross compilers from:

 http://kernel.org/pub/tools/crosstool/files/bin/x86_64/

and this config is an example to crosscompile several archs to make sure
that your changes do not break archs that you are not working on.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:11:00 -04:00
Steven Rostedt
3a7bef7917 ktest: Add kvm.conf example config
Add an example config that explains how to use ktest with a virtual
guest as the target.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:10:12 -04:00
Steven Rostedt
6d76f469c8 ktest: Add useful example configs
I've been asked several times to provide more useful example configs for
ktest.pl, as the sample.conf is too complex (because it explains all
configs). This adds configs broken up by use case, and these configs are
based on actual configs that I use on a daily basis.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:08:30 -04:00
Steven Rostedt
43de3316e9 ktest: Add USE_OUTPUT_MIN_CONFIG to avoid prompt on make_min_config
If the file that OUTPUT_MIN_CONFIG exists then ktest.pl will prompt the
user and ask them if the OUTPUT_MIN_CONFIG should be used as the
starting point for make_min_config instead of MIN_CONFIG.

This is usually the case, and to allow the user to do so, which is
helpful if the user is creating different min configs based on tests,
and they know one is a superset of another test, they can set
USE_OUTPUT_MIN_CONFIG to one, which will prevent kest.pl from prompting
to use the OUTPUT_MIN_CONFIG and it will just use it.

If USE_OUTPUT_MIN_CONIFG is set to zero, then ktest.pl will continue to
use MIN_CONFIG instead.

The default is that USE_OUTPUT_MIN_CONFIG is undefined.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-22 00:07:34 -04:00
Steven Rostedt
ccc513b688 ktest: Add MIN_CONFIG_TYPE to allow making a minum .config that has network
Add a MIN_CONFIG_TYPE that can be set to 'test' or 'boot'. The default
is 'boot' which is what make_min_config has done previously: makes a
config file that is the minimum needed to boot the target.

But when MIN_CONFIG_TYPE is set to 'test', not only must the target
boot, but it must also successfully run the TEST. This allows the
creation of a config file that is the minimum to boot and also
perform ssh to the target, or anything else a developer wants.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-21 17:13:40 -04:00
Steven Rostedt
683a3e6481 ktest: Fix kernelrevision with POST_BUILD
The PRE_BUILD and POST_BUILD options of ktest are added to allow the
user to add temporary patch to the system and remove it on builds. This
is sometimes use to take a change from another git branch and add it to
a series without the fix so that this series can be tested, when an
unrelated bug exists in the series.

The problem comes when a tagged commit is being used. For example, if
v3.2 is being tested, and we add a patch to it, the kernelrelease for
that commit will be 3.2.0+, but without the patch the version will be
3.2.0. This can cause problems when the kernelrelease is determined for
creating the /lib/modules directory. The kernel booting has the '+' but
the module directory will not, and the modules will be missing for that
boot, and may not allow the kernel to succeed.

The fix is to put the creation of the kernelrelease in the POST_BUILD
logic, before it applies the POST_BUILD operation. The POST_BUILD is
where the patch may be removed, removing the '+' from the kernelrelease.

The calculation of the kernelrelease will also stay in its current
location but will be ignored if it was already calculated previously.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-18 14:27:51 -04:00
Steven Rostedt
759a3cc625 ktest: Fix reboot on success stopping all reboots
The change to let individual tests decide to reboot the machine on
success of the entire test also prevented errors from rebooting
when an error was detected.

The "no_reboot" variable was only cleared if the test had
reboot_on_success set. But the no_reboot variable also prevents the test
rebooting when an error was detected even when REBOOT_ON_ERROR was set.

Add a new "reboot_success" variable that is used to determine if the
test should reboot on success and not touch the no_reboot variable.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-01 08:25:48 -04:00
Russ Dill
5158ba3ea7 ktest.pl: Fix combined usage of BISECT_REVERSE and BISECT_SKIP
When BISECT_REVERSE and BISECT_SKIP are used together with boot or test
testing, build failures are treated as boot or test failures and
'git bisect bad' is executed instead of 'git bisect skip'. This is because
the $ret value of -1 is treated as a build failure, but the $reverse_bisect
logic does not properly handle this.

Simple fix, only invert it if it is positive.

Link: http://lkml.kernel.org/r/1335235380-8509-1-git-send-email-Russ.Dill@ti.com

Signed-off-by: Russ Dill <Russ.Dill@ti.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-05-01 08:25:44 -04:00
Linus Torvalds
f0a5ec0e8d ktest for v3.4
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Merge tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

Pull ktest changes from Steven Rostedt.

* tag 'ktest-v3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Allow a test to override REBOOT_ON_SUCCESS
  ktest: Fix SWITCH_TO_GOOD to also reboot the machine
  ktest: Add SCP_TO_TARGET_INSTALL option
  ktest: Add warning when bugs are ignored
  ktest: Add INSTALL_MOD_STRIP=1 when installing modules
2012-03-23 09:28:45 -07:00
Steven Rostedt
648a182c61 ktest: Allow a test to override REBOOT_ON_SUCCESS
The option REBOOT_ON_SUCCESS is global, and will have the machine reboot
the the box if all tests are successful. But a test may not want the
machine to reboot, and perhaps have the kernel it loaded be used to
install the next kernel. Or the last test may set up a kernel that the
user may want to look at. In this case, the user could have the global
option REBOOT_ON_SUCCESS be true, but if a test is defined to run at the
end, that test can override the global option and keep the kernel it
installed for the user to log in with.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-03-21 11:18:27 -04:00
Steven Rostedt
769df641cc ktest: Fix SWITCH_TO_GOOD to also reboot the machine
When the option SWITCH_TO_GOOD is set, it will be called when the system
needs to reboot to the good server. But currently, this keeps the reboot
from happening. The SWITCH_TO_GOOD is just a way to get to a new kernel,
it may not mean to not reboot.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-03-21 08:24:57 -04:00
Steven Rostedt
02ad261704 ktest: Add SCP_TO_TARGET_INSTALL option
Currently the option used to scp both the modules to the target as well
as the kernel image are the same (SCP_TO_TARGET). But some embedded
boards may require them to be different. The modules may need to be put
directly on the board, but the kernel image may need to go to a
tftpserver.

Add the option SCP_TO_TARGET_INSTALL that will allow the user to change
the config so that they may have the modules and image got to different
machines.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-03-21 08:21:24 -04:00
Steven Rostedt
6ca996cc7c ktest: Add warning when bugs are ignored
When IGNORE_ERRORS is set, ktest will not fail a test if a backtrace
is detected. But this can be an issue if the user added it in the
config but forgot to remove it. They may be left wondering why their
test did not fail, or even worse, why their bisect gave the wrong
commit.

Add a warning in the output if IGNORE_WARNINGS is set, and ktest detects
a kernel error.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-03-21 08:18:35 -04:00
Steven Rostedt
627977d83a ktest: Add INSTALL_MOD_STRIP=1 when installing modules
To keep the modules from bloating the target's filesystem
strip them during the install.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-03-21 08:16:15 -04:00
Linus Torvalds
69a7aebcf0 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
Pull trivial tree from Jiri Kosina:
 "It's indeed trivial -- mostly documentation updates and a bunch of
  typo fixes from Masanari.

  There are also several linux/version.h include removals from Jesper."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (101 commits)
  kcore: fix spelling in read_kcore() comment
  constify struct pci_dev * in obvious cases
  Revert "char: Fix typo in viotape.c"
  init: fix wording error in mm_init comment
  usb: gadget: Kconfig: fix typo for 'different'
  Revert "power, max8998: Include linux/module.h just once in drivers/power/max8998_charger.c"
  writeback: fix fn name in writeback_inodes_sb_nr_if_idle() comment header
  writeback: fix typo in the writeback_control comment
  Documentation: Fix multiple typo in Documentation
  tpm_tis: fix tis_lock with respect to RCU
  Revert "media: Fix typo in mixer_drv.c and hdmi_drv.c"
  Doc: Update numastat.txt
  qla4xxx: Add missing spaces to error messages
  compiler.h: Fix typo
  security: struct security_operations kerneldoc fix
  Documentation: broken URL in libata.tmpl
  Documentation: broken URL in filesystems.tmpl
  mtd: simplify return logic in do_map_probe()
  mm: fix comment typo of truncate_inode_pages_range
  power: bq27x00: Fix typos in comment
  ...
2012-03-20 21:12:50 -07:00
Linus Torvalds
586c6e7013 While demoing ktest at ELC in 2012, it was embarrassing that the
make_min_config test failed to work because the snowball board I was tesing
 it against had a config that would not build. But the make_min_config
 only tested the testing part and ignored build failures. The end result
 was a config file that would not boot.
 
 This time, for real.
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Merge tag 'ktest-fix-make-min-failed-build-for-real' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest

While demoing ktest at ELC in 2012, it was embarrassing that the
make_min_config test failed to work because the snowball board I was
testing it against had a config that would not build.  But the
make_min_config only tested the testing part and ignored build failures.
The end result was a config file that would not boot.

This time, for real.

* tag 'ktest-fix-make-min-failed-build-for-real' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Fix make_min_config test when build fails
2012-02-27 15:43:05 -08:00
Steven Rostedt
bf1c95abaf ktest: Fix make_min_config test when build fails
The make_min_config does not take into account when the build fails,
resulting in a invalid MIN_CONFIG .config file. When the build fails,
it is ignored and the boot test is executed, using the previous built
kernel. The configs that should be tested are not tested and they may
be added or removed depending on the result of the last kernel that
succeeded to be built.

If the build fails, mark the current config as a failure and the
configs that were disabled may still be needed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-02-27 13:58:49 -05:00
Masanari Iida
f9dee311e5 tools: Fix typo in ktest.pl
Correct spelling "faied" to "failed" in
tools/testing/ktest/ktest.pl

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-02-21 11:40:35 +01:00
Linus Torvalds
5d48421be3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
  ktest: Add INGORE_ERRORS to ignore warnings in boot up
  ktest: Still do reboot even for REBOOT_TYPE = script
  ktest: Fix compare script to test if options are not documented
  ktest: Detect typos in option names
  ktest: Have all values be set by defaults
  ktest: Change initialization of defaults hash to perl format
  ktest: Add options SWITCH_TO_GOOD and SWITCH_TO_TEST
  ktest: Allow overriding bisect test results
  ktest: Evaluate options before processing them
  ktest: Evaluate $KERNEL_VERSION in both install and post install
  ktest: Only ask options needed for install
  ktest: When creating a new config, ask for BUILD_OPTIONS
  ktest: Do not ask for some options if the only test is build
  ktest: Ask for type of test when creating a new config
  ktest: Allow bisect test to restart where it left off
  ktest: When creating new config, allow the use of ${THIS_DIR}
  ktest: Add default for ssh-user, build-target and target-image
  ktest: Allow success logs to be stored
  ktest: Save test output
2012-01-16 17:53:27 -08:00
Linus Torvalds
98793265b4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (53 commits)
  Kconfig: acpi: Fix typo in comment.
  misc latin1 to utf8 conversions
  devres: Fix a typo in devm_kfree comment
  btrfs: free-space-cache.c: remove extra semicolon.
  fat: Spelling s/obsolate/obsolete/g
  SCSI, pmcraid: Fix spelling error in a pmcraid_err() call
  tools/power turbostat: update fields in manpage
  mac80211: drop spelling fix
  types.h: fix comment spelling for 'architectures'
  typo fixes: aera -> area, exntension -> extension
  devices.txt: Fix typo of 'VMware'.
  sis900: Fix enum typo 'sis900_rx_bufer_status'
  decompress_bunzip2: remove invalid vi modeline
  treewide: Fix comment and string typo 'bufer'
  hyper-v: Update MAINTAINERS
  treewide: Fix typos in various parts of the kernel, and fix some comments.
  clockevents: drop unknown Kconfig symbol GENERIC_CLOCKEVENTS_MIGR
  gpio: Kconfig: drop unknown symbol 'CS5535_GPIO'
  leds: Kconfig: Fix typo 'D2NET_V2'
  sound: Kconfig: drop unknown symbol ARCH_CLPS7500
  ...

Fix up trivial conflicts in arch/powerpc/platforms/40x/Kconfig (some new
kconfig additions, close to removed commented-out old ones)
2012-01-08 13:21:22 -08:00
Steven Rostedt
be405f95f0 ktest: Add INGORE_ERRORS to ignore warnings in boot up
When testing a kernel that has warnings, ktest.pl will fail the test
when it sees the warning. If you need to test the the kernel and want
to ignore the errors that are produced, the option IGNORE_ERRORS has
been added. When IGNORE_ERRORS is set to something other than 0, it will
ignore call traces due to WARN_ON().

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-01-04 21:56:49 -05:00
Steven Rostedt
96f6a0df19 ktest: Still do reboot even for REBOOT_TYPE = script
The REBOOT_TYPE may be either grub or script, if it is script
it is expected that a REBOOT_SCRIPT is defined.

With the SWITCH_TO_TEST which is the complement of SWITCH_TO_GOOD,
which does basically the same thing as REBOOT_SCRIPT and but for
both grub and script, the REBOOT_SCRIPT does not need to be mandatory
anymore.

Do not require the REBOOT_SCRIPT and always run the reboot code
for both grub and script.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2012-01-04 21:47:16 -05:00
Al Viro
d36b691077 misc latin1 to utf8 conversions
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2012-01-02 13:04:55 +01:00
Steven Rostedt
c2857cb4a8 ktest: Fix compare script to test if options are not documented
The compare script compare-ktest-sample.pl checks for options
that are defined in ktest.pl and not documented in samples.conf,
as well as samples in samples.conf that are not used in ktest.pl.

With the switch to the hash format to initialize the ktest variables
the compare script needs to be updated to handle the change.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 22:06:59 -05:00
Steven Rostedt
9cc9e091ed ktest: Detect typos in option names
It becomes quite annoying when you go to run a test and then
realize that you typed an option name wrong, and the test starts
doing the default action and not what you expected it to do.

It is even more annoying when you wake up the next day after
running the test over night when you discover this.

By testing if all options specified in a config file are
used by either ktest or were used in one of the option's values
we can see if there are any dangling options that were not used.
In such a case, show the user the options that were not used
and ask them if they want to continue or not.

The option IGNORE_UNUSED was also added to allow the user to
override this feature.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 22:02:35 -05:00
Steven Rostedt
b5f4aea687 ktest: Have all values be set by defaults
Currently the patchcheck, bisect, and config_bisect variables
are only able to be set per test. You can not set a default
value for them.

By letting default values be set, it makes some config files
a bit easier, and also makes it easier to find typos in the
option names.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 22:00:52 -05:00
Steven Rostedt
4f43e0dcaf ktest: Change initialization of defaults hash to perl format
Initializing each default value by specifying the hash name is
ugly. This is one of the rare cases that the "perl way" is actually
much cleaner and easier to read.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:44 -05:00
Steven Rostedt
bc7c580377 ktest: Add options SWITCH_TO_GOOD and SWITCH_TO_TEST
For machines that do no use grub, it may be needed to update an
external image (tftp) before doing a reboot into either the
test image or the known good image.

The option SWITCH_TO_GOOD is added, where if it is defined, the
command that is specified as its value will be executed before
doing a reboot into a known good image.

The option SWITCH_TO_TEST is added, where if it is defined, the
command that is specified as its value will be executed before
doing a reboot into the test image.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:41 -05:00
Steven Rostedt
c5dacb88f0 ktest: Allow overriding bisect test results
When running the ktest git bisect test, if the BISECT_TYPE is "test",
the bisect is determined to be good or bad based off of the error
code of the test that is run. Currently, if the test returns 0,
it is considered a pass (good), a non-zero is considered a fail (bad).

But it has been requested to add more options, and also change
the meanings of the error codes of the test. For example, one may
want the test to detect if the commit is not good or bad,
(maybe the bisect came to a point where the code in question
does not exist). The test could report an error code that should tell
ktest to skip the commit.

Also, a test could detect that something is horribly wrong and the
biscet should just be aborted.

The new options:

 BISECT_RET_GOOD
 BISECT_RET_BAD
 BISECT_RET_SKIP
 BISECT_RET_ABORT
 BISECT_RET_DEFAULT

have been added. The first 4 take an integer value that will
represent if the test should be considered a pass, fail, neither
good nor bad, or abort respectively.

The BISECT_RET_DEFAULT will bo whatever is not defined by the
above codes. If only BISECT_RET_DEFAULT is defined, then all tests
will do the default.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:38 -05:00
Steven Rostedt
cad9666980 ktest: Evaluate options before processing them
All options can take variables "${var}". Before doing any processing
or decision making on the content of an option, evaluate it incase
there are variables that may change the outcome.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:36 -05:00
Steven Rostedt
2b29b2f8f8 ktest: Evaluate $KERNEL_VERSION in both install and post install
The install process may also need to know what the kernel version
is, to add it to the name. Evaluate it for both install and
post install.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:33 -05:00
Steven Rostedt
165708b273 ktest: Only ask options needed for install
If all the tests are only for build or install, do not ask
for options not needed to do the install, if the options do
not exist.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:30 -05:00
Steven Rostedt
dbd3783b4d ktest: When creating a new config, ask for BUILD_OPTIONS
When creating a new config, ask for the BUILD_OPTIONS variable
that lets users add things like -j20 to the make.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:26 -05:00
Steven Rostedt
bb8474b181 ktest: Do not ask for some options if the only test is build
When creating a ktest config or if te config only has build only
tests, some of the manditory config options are not needed.

Do not ask for them if all tests in the config file are just build
tests.

Suggested-by: Darren Hart <dvhart@linux.intel.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:22 -05:00
Steven Rostedt
c4261d0f62 ktest: Ask for type of test when creating a new config
When no argument is supplied to ktest, or the config applied does
not exist and a new config is being created, instead of just using
the default test type, give the user an option to pick the test type
of either 'build, install, or boot'. Other options may be added later
but then those would require more questions as they require more
fields. But that's for another release of ktest to add that feature.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:13 -05:00
Steven Rostedt
dad9875492 ktest: Allow bisect test to restart where it left off
If a bisect is killed for some reason, have ktest detect that a bisect
is in progress and if so, allow the user to start the bisect where
it left off.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-12-22 21:59:01 -05:00
Steven Rostedt
0e7a22de25 ktest: When creating new config, allow the use of ${THIS_DIR}
Typing in a full path when you know that the path exists within
the directory your are running is tedious and unnecessary.

Allow the user to use ${PWD} if they want a dynamic path name
which will be the path that ktest.pl is executed from
or use ${THIS_DIR} which is a variable assigned `pwd` and
the the variable will exist within the config, allowing the user
to change it and affect all other paths using this variable as well

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-11-23 15:55:41 -05:00
Steven Rostedt
600bbf0aa2 ktest: Add default for ssh-user, build-target and target-image
When a user runs ktest without an argument, or the argument given
is not a config file that exists, ktest will ask the user a few
questions to create a simple ktest config file.

A few of the questions should have a default value set, that if anything
it will make it easier for the user to know what is suppose to
be in that value.

These new values are:

  SSH_USER, BUILD_TARGET and TARGET_IMAGE

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-11-21 20:12:04 -05:00
Rabin Vincent
de5b6e3bf5 ktest: Allow success logs to be stored
Add a STORE_SUCCESSES option, to allow success logs to be stored, for
example to double-check or otherwise post-process the test logs.

Link: http://lkml.kernel.org/r/1321616131-21352-3-git-send-email-rabin@rab.in

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-11-18 12:04:33 -05:00
Rabin Vincent
a9dd5d6317 ktest: Save test output
The test output may contain useful information; save it along with the
already-saved buildlog, dmesg, and .config.

Link: http://lkml.kernel.org/r/1321616131-21352-1-git-send-email-rabin@rab.in

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-11-18 12:03:27 -05:00
Rabin Vincent
f9dfb65b05 ktest: Check parent options for iterated tests
Let's say we have "OUTPUT_DIR = build/${TEST_NAME}", and we're iterating
a test.  In the second iteration of a test, the TEST_NAME of the test
we're repeating is not used.  Instead, ${TEST_NAME} appears literally:

   touch /home/rabin/kernel/test/build/${TEST_NAME}/.config ... SUCCESS

Fix this by making __eval_option() check the parent test options
for a repeated test.

Link: http://lkml.kernel.org/r/1321616131-21352-2-git-send-email-rabin@rab.in

Signed-off-by: Rabin Vincent <rabin@rab.in>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-11-18 11:07:24 -05:00
Steven Rostedt
815e2bd7d6 ktest: Evaluate variables entered on the command line
When ktest.pl is called without any arguments, or if the config
file does not exist, ktest.pl will ask the user for some information.
Some of these questions are code paths. Allowing the user to type
${PWD} for the current directory greatly simplifies these entries.

Add variable processing to the entered values.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-28 07:01:40 -04:00
Steven Rostedt
7bf5107347 ktest: Add variable ${PWD}
Adding the variable ${PWD} that equals `pwd` makes the config files
much simpler.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-22 09:07:03 -04:00
Steven Rostedt
9f7424cc86 ktest: Add another monitor flush before installing kernel
On some tests that do multiple boots (patchcheck, bisect, etc), the build
of the next kernel to run may finish before the stable kernel has finished
booting. Then the install of the new kernel will fail when it tries to connect
as the machine has not finished the boot process.

Do one more monitor flush to make sure the machine is up and running before
trying to connect to it again.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-22 08:58:19 -04:00
Steven Rostedt
c54367f9d6 ktest: Do not opencode reboot in grub setting
When setting the next kernel to boot to with grub, do not opencode
the reboot operation.  The normal reboot operation can be modified by
config options (namely POWERCYCLE_AFTER_REBOOT). This needs to affect
all reboots. Remove the opencoded reboot to make sure that any changes
to the reboot code also affect all reboots.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-20 09:56:41 -04:00
Steven Rostedt
8d735212e4 ktest: Add processing of complex conditionals
The IF statements for DEFAULTS and TEST_START sections now handle
complex statements (&&,||)

Example:

  TEST_START IF (DEFINED ALL_TESTS || ${MYTEST} == boottest) && ${MACHINE} == gandalf

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:58:18 -04:00
Steven Rostedt
a9f84424be ktest: Fix parsing of config section lines
The order for some of the keywords on a section line
(TEST_START or DEFAULTS) does not really matter. Simply need
to remove the keyword from the line as we process it and
evaluate the next keyword in the line. By removing the keywords
as we find them, we do not need to keep track of where on the
line they were found.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:58:15 -04:00
Steven Rostedt
ac6974c76e ktest: Sort make_min_config configs by dependecies
The make_min_config test will turn off one config at a time and check
if the config boots or not, and if it does, it will remove that config
plus any config that depended on that config.

ktest already looks if a config has a dependency and will try the
dependency config first. But by sorting the configs and trying the
config with the most configs dependent on it, we can shrink the
minconfig faster.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:12 -04:00
Steven Rostedt
9900b5dc06 ktest: Add DEFINED keyword for IF statements
Have IF statements process if a config variable or option has been
defined or not. Can use NOT DEFINED in the case for telling if
a variable or option has not been defined.

DEFAULTS IF NOT DEFINED SSH_USER
SSH_USER = root

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
3d1cc41432 ktest: Add OVERRIDE keyword to DEFAULTS section
The OVERRIDE keyword will allow options defined in the given
DEFAULTS section to override options defined in previous DEFAULT
sections.

Normally, options will error if they were previous defined.
The OVERRIDE keyword allows options that have been previously
defined to be changed in the given section.

Note, the same option can not be defined in the same DEFAULT section
even if that section is marked as OVERRIDE.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
0050b6bbef ktest: Consolidate TEST_TYPE and DEFAULT code
The code that handles parsing the TEST_TYPE and DEFAULT code share
a lot of common functionality. Combine the two and add a if statement
that does what is different between them.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
2ed3b16128 ktest: Add INCLUDE keyword to include other config files
Have the reading of the config file allow reading of other config
files using the INCLUDE keyword. This allows multiple config files
to share config options.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
ab7a3f52ce ktest: Let IF keyword take comparisons
Allow ==, !=, <=, >=, <, and > to be used in IF statements
to compare if a section should be processed or not.

For example:

BITS := 32

DEFAULTS IF ${BITS} == 32
MIN_CONFIG = ${CONFIG_DIR}/config-32
ELSE
MIN_CONFIG = ${CONFIG_DIR}/config-64

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
45d73a5d8a ktest: Add IF and ELSE to config sections
Add IF keyword to sections within the config. Also added an ELSE
keyword that allows different config options to be set for a given
section.

For example:

TYPE := 1
STATUS := 0

DEFAULTS IF ${TYPE}
[...]
ELSE IF ${STATUS}
[...]
ELSE
[...]

The above will process the first section as $TYPE is true. If it
was false, it would process the last section as $STATUS is false.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
4ab1cce5bd ktest: Do not reboot on config or build issues
Even if REBOOT_ON_ERROR is set, it becomes annoying that the target
machine is rebooted when a config option is incorrect or a build
fails. There's no reason to reboot the target for host only issues.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:11 -04:00
Steven Rostedt
2b803365a6 ktest: Add option REBOOT_SUCCESS_LINE to stop waiting after a reboot
When ktest.pl reboots, it will usuall wait SLEEP_TIME seconds of idle
console before starting the next test. By setting the
REBOOT_SUCCESS_LINE, ktest will not wait SLEEP_TIME when it detects the
line while rebooting to a new kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Steven Rostedt
e0a8742e3d ktest: Add NO_INSTALL option to not install for a test
There's cases where running the same kernel over and over again
is useful, and being able to not install the same kernel can
save time between tests.

Add a NO_INSTALL option that tells ktest.pl to not install the
new kernel.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Steven Rostedt
eaa1fe25ea ktest: Fail when grub menu not found
Currently if the grub menu that is supplied is not found, it will
just boot into the last grub menu in menu.lst. Fail instead of
confusing the user why their kernel is not booting.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Andrew Jones
2728be418d ktest: Include monitor in reboot code
Several places that call reboot do the same thing with respect to the
monitor. By adding this code into the reboot code, redundant code is
removed and it paves the way for the the reset time patch.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-4-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Andrew Jones
134882311c ktest: Only need to save .config when doing mrproper
Only save the .config file if we're doing mrproper

Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-3-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Andrew Jones
a908a6659b ktest: Create outputdir if it does not exist
Signed-off-by: Andrew Jones <drjones@redhat.com>
Link: http://lkml.kernel.org/r/1313155932-20092-2-git-send-email-drjones@redhat.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Steven Rostedt
cd8e368f47 ktest: Add TEST_TYPE install option
In testing one of my boxes, I found that I only wanted to build and
install the kernel. I wanted to manually reboot the box and test it.
Adding a TEST_TYPE option "install" allows this to happen.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-10-17 11:54:10 -04:00
Steven Rostedt
250bae8be0 ktest: Fix bug when ADD_CONFIG is set but MIN_CONFIG is not
The MIN_CONFIG is a single config that is considered to have all the
configs that are required to boot the box.

ADD_CONFIG is a list of configs that we add that may contain configs
known to be broken (set off) or just configs that we want every box to
have and this can include shared configs.

If a config has no MIN_CONFIG defined, but has multiple files defined
for the ADD_CONFIG, the test will die, because the MIN_CONFIG will
default to ADD_CONFIG. The problem is the code to open MIN_CONFIG
expects a string of one file, not multiple, and the open will fail.

Since the real minconfig that is used is a concatination of MIN_CONFIG
and ADD_CONFIG files, we change the code to open that instead of
whatever MIN_CONFIG defaults to.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 22:05:59 -04:00
Steven Rostedt
43d1b6518e ktest: Keep fonud configs separate from default configs
The IGNORE_CONFIG file holds the configs that we don't want to change
(with their proper settings). But on start up, the make noconfig is
executed, and the configs that are on are also put into the ignore
config category. But these are configs that were forced on by the
kconfig scripts and not something that we found must be enabled to boot
our machine. By keeping the configs that are forced on by default,
separate from the configs we found that are required to boot the box, we
can get a much more interesting IGNORE_CONFIG. In fact, the
IGNORE_CONFIG can usually end up being the must have configs to boot,
and only have 6 or 7 configs set.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 22:01:56 -04:00
Steven Rostedt
35ce5952e6 ktest: Add prompt to use OUTPUT_MIN_CONFIG
If the defined OUTPUT_MIN_CONFIG in the make_min_config test exists,
then give a prompt to ask the user if they want to use that config
instead, as it is very often the case, especially when the test has been
interrupted. The OUTPUT_MIN_CONFIG is usually the config that one wants
to use to continue the test where they left off.

But if START_MIN_CONFIG is defined (thus the MIN_CONFIG is not the
default), then do not prompt, as it will be annoying if the user has
this as one of many tests, and the test pauses waiting for input, while
the user is sleeping.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 21:57:25 -04:00
Steven Rostedt
b9066f6c0e ktest: Use Kconfig dependencies to shorten time to make min_config
To save time, the test does not just grab any option and test
it. The Kconfig files are examined to determine the dependencies
of the configs. If a config is chosen that depends on another
config, that config will be checked first. By checking the
parents first, we can eliminate whole groups of configs that
may have been enabled.

For example, if a USB device config is chosen and depends on
CONFIG_USB, the CONFIG_USB will be tested before the device.
If CONFIG_USB is found not to be needed, it, as well as all
configs that depend on it, will be disabled and removed from
the current min_config.

Note, the code from streamline_config (make localmodconfig)
was copied and used to find the dependencies in the Kconfig file.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 21:29:09 -04:00
Steven Rostedt
4c4ab1204f ktest: Add test type make_min_config
After doing a make localyesconfig, your kernel configuration may
not be the most useful minimum configuration. Having a true minimum
config that you can use against other configs is very useful if
someone else has a config that breaks on your code. By only forcing
those configurations that are truly required to boot your machine
will give you less of a chance that one of your set configurations
will make the bug go away. This will give you a better chance to
be able to reproduce the reported bug matching the broken config.

Note, this does take some time, and may require you to run the
test over night, or perhaps over the weekend. But it also allows
you to interrupt it, and gives you the current minimum config
that was found till that time.

Note, this test automatically assumes a BUILD_TYPE of oldconfig
and its test type acts like boot.

TODO: add a test version that makes the config do more than just
      boot, like having network access.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-07-15 21:19:44 -04:00
Steven Rostedt
0df213ca31 ktest: Require one TEST_START in config file
There has been too many times that I put in one too many SKIP
TEST_STARTs and start the test with the default randconfig by accident
that I added this to have ktest ask the user for which test they want to
run if no TEST_START is specified.

Now if I accidently start the test with all TEST_STARTs skipped, ktest
asks what test do I want to run, and I now have a chance to kill it
before it does a make mrproper on my build directory.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:51:37 -04:00
Steven Rostedt
ddf607e5f8 ktest: Add helper function to avoid duplicate code
Several places had the following code:

    get_grub_index;
    get_version;
    install;

    start_monitor;
    return monitor;

Creating a function "start_monitor_and_boot()" replaces these mulitple
uses with a single call.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:49:13 -04:00
Steven Rostedt
1990207d53 ktest: Add IGNORE_WARNINGS to ignore warnings in some patches
Doing a patchcheck test, there may be warnings that gcc produces which
may be OK, and the test should not fail on that commit. By adding a
IGNORE_WARNINGS option to list a space delimited SHA1s that are ignored
lets the user avoid having the test fail on certain commits.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:46:25 -04:00
Steven Rostedt
e7b1344189 ktest: Fix tar extracting of modules to target
The tar command to create the module directory is cjf, but the
extraction only had xf. This works on most versions of tar, but some
versions of tar require xjf for extraction as well.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:44:36 -04:00
Steven Rostedt
4892063043 ktest: Have the testing tmp dir include machine name
As multiple tests may be executed by the same server, have the test
machine name add uniqueness to the value of the temp directory.
Otherwise the temp directories may overwrite each other's tests.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:43:59 -04:00
Steven Rostedt
0bd6c1a38f ktest: Add POST/PRE_BUILD options
There are some cases that a patch may be needed to apply to the kernel
in patchcheck or bisect tests. Adding a PRE_BUILD option to apply the
patch and POST_BUILD to remove it, allows for this to be done easily.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-14 20:39:31 -04:00
Steven Rostedt
db05cfefce ktest: Allow initrd processing without modules defined
When a config is set with CONFIG_MODULES=n, it does not mean that the
kernel does not need an initrd to boot. For systems that depend on LVM
and such, an initrd must run first.

If POST_INSTALL is defined, then run the post install regardless if
modules are needed or not.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 11:09:22 -04:00
Steven Rostedt
23715c3c9a ktest: Have LOG_FILE evaluate options as well
The LOG_FILE variable needs to evaluate the $ options as well.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 11:03:34 -04:00
Steven Rostedt
ecaf8e5213 ktest: Have wait on stdio honor bug timeout
After a bug is found, the STOP_AFTER_FAILURE timeout is used to
determine how much output should be printed before breaking out
of the monitor loop. This is to get things like call traces and
enough infromation about the bug to help determine what caused it.

The STOP_AFTER_FAILURE is usually much shorter than the TIMEOUT
that is used to determine when to quit after no more stdio is given.

But since the stdio read uses a wait on I/O, the STOP_AFTER_FAILURE is
only checked after we get something from I/O. But if the I/O does
not return any more data, we wait the TIMEOUT period instead, even
though we already triggered a bug report.

The wait on I/O should honor the STOP_AFTER_FAILURE time if a bug has
been found.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:48:10 -04:00
Steven Rostedt
fcb3f16a4f ktest: Implement our own force min config
Using the build KCONFIG_ALLCONFIG environment variable to force
the min config may not always work properly. Since ktest is
written in perl, it is trivial to read and replace the current
config with the configs specified by the min config.

Now the min config (and add configs) are read by perl and before
a make is done, these configs in the .config file are replaced
by the version in the min config.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:40:58 -04:00
Steven Rostedt
9064af5206 ktest: Add TEST_NAME option
Searching through several tests, it gets confusing which test result
is for which test. By adding the TEST_NAME option, the user can tell
which test result belongs to which test.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:38:48 -04:00
Steven Rostedt
30f75da5ff ktest: Add CONFIG_BISECT_GOOD option
Currently the config_bisect compares the min config with the
CONFIG_BISECT config. There may be another config that we know
is good that we want to ignore configs on. By passing in this
config it will ignore the options that are set in the good config.

Note: This only ignores the config, it does not (yet) handle
options that are different between the two configs. If the good
config has "SLAB" set and the bad config has "SLUB" it will not
find the bug if the bug had to do with changing these two options.

This is something that I intend to implement in the future.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:35:35 -04:00
Steven Rostedt
f1a5b96219 ktest: Add detection of triple faults
When a triple fault happens in a test, no call trace nor panic
is displayed. Instead, the system reboots to the good kernel.
Since the good kernel may display a boot prompt that matches the
success string, ktest may think that the test succeeded, when it
did not.

Detecting triple faults is tricky because it is hard to generalize
what a reboot looks like. The best that we can come up with for now
is to examine the Linux banner. If we detect that the Linux banner
matches the test we want to test, then look to see if we hit another
Linux banner with a different kernel is booted. This can be assumed
to be a triple fault.

We can't just check for two Linux banners because things like
early printk may cause the Linux banner to be displayed twice. Checking
for different kernel versions should be the safe bet.

If this for some reason detects a false triple boot. A new ktest
config option is also created:

 DETECT_TRIPLE_FAULT

This can be set to 0 to disable this checking.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:30:00 -04:00
Steven Rostedt
cd4f1d536c ktest: Notify reason to break out of monitoring boot
Different timeouts can cause the ktest monitor to break out of the
loop. It becomes annoying that one does not know the reason why
it exited the monitor loop. Display the cause of the reason why
the loop was exited.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-13 10:26:27 -04:00
Steven Rostedt
9bf7174949 ktest: Ignore unset values of the minconfig in config_bisect
By ignoring the unset values of the minconfig in deciding
what to test in the config_bisect can cause the problem
config from being tested too.

Just do not test the configs that are set in the minconfig.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-02 11:57:57 -04:00
Steven Rostedt
4da46da2d2 ktest: Fix result of rebooting the kernel
The command that is called that reboots the kernel may fail
but the return code is not passed back to the ktest.pl script.
This is because a ';' is used between the two commands and
if the second command fails, only the first command's return
code is returned. Using a '&&' between the two commands fixes
this.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-02 11:57:56 -04:00
Steven Rostedt
4c8cc55b3c ktest: Fix off-by-one in config bisect result
Because in perl the array size returned by $#arr, is the last
index and not the actually size of the array, we end the config
bisect early, thinking there is only one config left when there
are in fact two. Thus the result has a 50% chance of picking
the correct config that caused the problem.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-06-02 11:57:41 -04:00
Steven Rostedt
2a62512bce ktest: Allow options to be used by other options
There are cases where one ktest option may be used within another
ktest option. Allow them to be reused just like config variables
but there are evaluated at time of test not config processing time.

Thus having something like:

MAKE_CMD = make ARCH=${ARCH}

TEST_START
ARCH = powerpc

TEST_START
ARCH = arm

Will have the arch defined for each test iteration.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 15:48:59 -04:00
Steven Rostedt
77d942ceac ktest: Create variables for the ktest config files
I found that I constantly reuse information for each test case.
It would be nice to just define a variable to reuse.

For example I may have:

TEST_START
[...]
TEST = ssh root@mybox /path/to/my/script

TEST_START
[...]
TEST = ssh root@mybox /path/to/my/script

[etc]

The issue is, I may wont to change that script or one of the other
fields. Then I need to update each line individually.

With the addition of config variables (variables only used during parsing
the config) we can simplify the config files. These variables can
also be defined multiple times and each time the new value will
overwrite the old value.

The convention to use a config variable over a ktest option is to use :=
instead of =.

Now we could do:

USER := root
TARGET := mybox
TEST_SCRIPT := /path/to/my/script
TEST_CASE := ${USER}@${TARGET} ${TEST_SCRIPT}

TEST_START
[...]
TEST = ${TEST_CASE}

TEST_START
[...]
TEST = ${TEST_CASE}

[etc]

Now we just need to update the variables at the top.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 15:26:26 -04:00
Steven Rostedt
27d934b287 ktest: Reboot after each patchcheck run
The patches being checked may not leave the kernel in a state
that the next run will allow the new kernel to be copied to the
machine. Reboot to a known good kernel before continuing to the
next kernel to test.

Added option PATCHCHECK_SLEEP_TIME for the max time to sleep between
patchcheck reboots.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 09:21:02 -04:00
Steven Rostedt
4025bc62dd ktest: Reboot to good kernel after every bisect run
Reboot after each bisect run regardless if the bisect passed
or failed. The test may just be to boot the kernel and that kernel
may not have a way to copy the next kerne to it. Reboot to a known
good kernel after each bisect run.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 09:16:29 -04:00
Steven Rostedt
4d62bf51ac ktest: If test failed due to timeout, print that
If the test failed due to timeout for boot, print a message saying
so. Otherwise the user will be confused to why their test just failed.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 09:14:35 -04:00
Steven Rostedt
ca6a21f874 ktest: Fix post install command
The command to run post install (for those that want initrds) was
broken. Instead of doing a substitution for the $KERNEL_VERSION
variable. It was replacing the entire command with nothing.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-05-20 09:11:58 -04:00
Linus Torvalds
b52307ca14 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-ktest
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-2.6-ktest:
  ktest: Add STOP_TEST_AFTER to stop the test after a period of time
  ktest: Monitor kernel while running of user tests
  ktest: Fix bug where the test would not end after failure
  ktest: Add BISECT_FILES to run git bisect on paths
  ktest: Add BISECT_SKIP
  ktest: Add manual bisect
  ktest: Handle kernels before make oldnoconfig
  ktest: Start failure timeout on panic too
  ktest: Print logfile name on failure
2011-03-21 14:13:48 -07:00
Steven Rostedt
2d01b26a1b ktest: Add STOP_TEST_AFTER to stop the test after a period of time
Currently, if a test causes constant output but never reaches a
boot prompt, or crashes, the test will never stop. Add STOP_TEST_AFTER
to create a variable that will stop (and fail) the test after it has run
for this amount of time. The default is 10 minutes. Setting this
variable to -1 will disable it.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:59 -05:00
Steven Rostedt
8ea0e063a7 ktest: Monitor kernel while running of user tests
Record the console of tests to both the console and the log.
Also, record the bug reports afte the test has completed.
Currently, if a kernel bug happens while running the userland
test, the test stops and will not record the kernel bug. This
makes it difficult to solve what happened.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:59 -05:00
Steven Rostedt
4651920e0a ktest: Fix bug where the test would not end after failure
The config STOP_AFTER_FAILURE is the number of seconds to continue
the test when a failure is detected. This lets the monitor record
more data to the logs and console that may be helpful in solving
the bug that was found.

But the test had a bug. If the failure caused multiple
"Call Trace" stack dumps, the start time to compare the
STOP_AFTER_FAILURE would constantly be reset. Only update the start
time at the first "Call Trace" instance.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
3410f6fd5e ktest: Add BISECT_FILES to run git bisect on paths
Add the config option BISECT_FILES that allows the user to
specify what path in the kernel to run the git bisect on.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
c23dca7cd2 ktest: Add BISECT_SKIP
If a during a git bisect, ktest fails on something other than
what it is testing (if BISECT_TYPE is test but it fails on build),
if BISECT_SKIP is set, then it will do a "git bisect skip" instead
of just failing the bisect and letting the user find a good commit
to test.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
c960bb9f59 ktest: Add manual bisect
For both git bisect and config bisect, if BISECT_MANUAL is set to 1,
then bisect will stop between iterations and ask the user for the
result. The actual result is ignored. This makes it possible to
use ktest.pl for bisecting configs and git and let the user examine
the results themselves and enter their own results.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
612b9e9bd3 ktest: Handle kernels before make oldnoconfig
When bisecting, one may come across a kernel that does not have
make oldnoconfig. In this case, we need to run the command "yes"
into a make oldconfig. This will select defaults instead of 'n'
into each command, but it works as a work around.

Note, "yes n" will not work because a config may have a value that
"n" is not acceptable for.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
10abf118f0 ktest: Start failure timeout on panic too
Currently we just look for a Call Trace to start the time out
when to reboot the box. But if the kernel panics and does not
show a Call Trace, the test will not reboot the box after
the specified timeout.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Steven Rostedt
f80802cb1f ktest: Print logfile name on failure
If the test fails and a logfile was specified. Print the name to
let the user know where to look for more information on the
failure.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-03-08 09:52:58 -05:00
Uwe Kleine-König
cce1dac871 trivial: Fix Steven's Copyright typos
OK, the copyright allows you to write a copy, still I think the lawyers
prefer the correct spelling.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
LKML-Reference: <1295899921-11333-1-git-send-email-u.kleine-koenig@pengutronix.de>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2011-02-08 17:14:31 -05:00
Steven Rostedt
8d1491bae7 ktest: Ask for the manditory config options instead of just failing
In keeping with the notion that all tools should be simple for
all to use. I've changed ktest.pl to ask for mandatory options
instead of just failing. It will append (or create) the options
the user types in, onto the config file.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 15:39:48 -05:00
Steven Rostedt
f1a2785009 ktest: Copy the last good and bad configs in config_bisect
During the config_bisect, in case of failure, it is nice to have
the last good and bad .configs that were used. This would let
us restart the config_bisect from those configs.

Copy the last good config into the output dir as config_good,
and the last bad config as config_bad.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:13 -05:00
Steven Rostedt
eec5646031 ktest: For grub reboot, use run_ssh instead of run_command
The run_ssh handles the ssh variable $SSH_COMMAND, which was not
being used by the run_command in reboot_to function.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:13 -05:00
Steven Rostedt
1c8a617a27 ktest: Added force stop after success and failure
Added the options STOP_AFTER_SUCCESS and STOP_AFTER_FAILURE to
allow the user to give a time (in seconds) to stop the monitor
after a stack trace or login has been detected. Sometimes the
kernel constantly prints out to the console and this may cause
the test to run indefinitely.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:12 -05:00
Steven Rostedt
cccae1a62a ktest: Parse off the directory name in useconfig for failures
When we store failures, we create a directory that has the build_type
in it. For useconfig, it also contains the name path of the config
file it uses. This unfortunately gets its own directory on failure.
Parse off the directory name when creating the directory to store
the failures.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:12 -05:00
Steven Rostedt
9be2e6b590 ktest: Use different temp config name for minconfig
By using the "use_config" for minconfig and addconfig we risk
trying to copy itself to itself, which will cause an unexpected failure.

Use a different name instead.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:12 -05:00
Steven Rostedt
d1fbd7e6a6 ktest: Updated the sample.conf for the latest options
Added documentation for SSH_EXEC, SCP_TO_TARGET, REBOOT,
and CONFIG_BISECT and friends.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:11 -05:00
Steven Rostedt
dbc6d0aa8a ktest: Added compare script to test ktest.pl to sample.conf
Add a compare script that makes sure that all the options in
sample.conf are used in ktest.pl, and all the options in
ktest.pl are described in sample.conf.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:11 -05:00
Steven Rostedt
0a05c769a9 ktest: Added config_bisect test type
Added the ability to do a config_bisect. It starts with a bad
config and does the following loop.

	Enable half the configs.
	if none of the configs to check are not enabled
	 (caused by missing dependencies) enable the other half.
	Run the test
	if the test passes, remove the configs from the check
	  but enabled them for further tests (to satisfy
	  dependencies).
	else
	  Remove any config that was not enabled, as we have found
	  a new config that can cause a failure.
	loop till we have only one config left.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:11 -05:00
Steven Rostedt
e48c5293bd ktest/cleanups: Added version 0.2, ssh as options
Updated to version 0.2.

Now have SSH_EXEC options.

Also added some cleanups for keeping track of success and
reading the config file.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:11 -05:00
Steven Rostedt
7a849cd93a ktest: Output something easy to parse for failure or success
Have a easy way to parse the log file for success or failure.

 KTEST RESULT: ...

Suggested-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:11 -05:00
Steven Rostedt
21a9679fea ktest: Allow a test case to undefine a default value
Allow a test case in the config file to undefine a default
value by specifying the option and equal sign but not assigning
it a value:

  OPTION =

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:10 -05:00
Steven Rostedt
51ad1dd103 ktest: Use $output_config instead of typing $outputdir/.config
To help prevent typos, use $output_config as the reference to
"$outputdir/.config".

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:10 -05:00
Steven Rostedt
d1e2f22ad7 ktest: Write to stdout if no log file is given
If no LOG_FILE option is set, then write what would be logged to
that file to standard output.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:10 -05:00
Steven Rostedt
9386c6ab7a ktest: Use oldnoconfig instead of yes command
Running the command "yes ''" through the make oldconfig may enable
things we do not want enabled. If something is default enabled, the
yes command with '' as an argument will enable it.

Use oldnoconfig, which runs everything as if 'no' was used.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:10 -05:00
Steven Rostedt
dc89568884 ktest: Update the sample config file with more documentation
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:09 -05:00
Steven Rostedt
a57419b366 ktest: New TEST_START instead of using [], and use real SHA1s
Change the config to use TEST_START where the options after a
TEST_START automatically get the [] as it is read and they do
not need to exist in the config file;

TEST_START
MIN_CONFIG = myconfig

is the same as

MIN_CONFIG[1] = myconfig

The benefit is that you no longer need to keep track of test numbers
with tests.

Also process the commit ids that are passed to the options
to get the actually SHA1 so it is no longer relative to the branch.
Ie, saying HEAD will get the current SHA1 and then that will
be used, and will work even if another branch is checked out.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:09 -05:00
Steven Rostedt
576f627c81 ktest: Add poweroff after halt and powercycle after reboot
Added the options POWEROFF_AFTER_HALT to handle boxes that do not
really shut off after a halt is called.

Added POWERCYCLE_AFTER_REBOOT to force a power cycle for boxes that
don't reboot but get stuck during the reboot.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:09 -05:00
Steven Rostedt
8b37ca8cac ktest: Add POST_INSTALL to allow initrds to be created
Add a POST_INSTALL option that runs after the build and install
but before rebooting to the test kernel. This alls the user to
run a script that will install an initrd (or anything else that may
be special) before booting.

An environment variable KERNEL_VERSION is set.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:08 -05:00
Steven Rostedt
a75fececff ktest: Added sample.conf, new %default option format
Added sample.conf as a nice document to show new users.

Use a %default hash to separate out the options that are default
and allow us to complain about options being set twice.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:08 -05:00
Steven Rostedt
7faafbd696 ktest: Add open and close console and start stop monitor
It is much better to keep the monitor running throughout a
test than to constantly start and stop it. Some console readers
will show everything that has happened before when opening the
console, and by opening it several times, causes the old content to
be read multiple times in a single test.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:08 -05:00
Steven Rostedt
2b7d9b2142 ktest: Added continuing on success, clear log and timeout
Add option to continue after a test fails.

Add option to reset the log at start of running ktest.

Update default timeout to 2 minutes.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:08 -05:00
Steven Rostedt
d6ce2a0b33 ktest: Add reverse bisect, better logging, copyright
Added the ability to do a reverse bisect.

Better logging of running commands.

Added the copyright statement.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:07 -05:00
Steven Rostedt
6c5ee0be02 ktest: Added patchcheck
Added patchcheck functionality. It will checkout a given SHA1
and test that commit and all commits to another given SHA1.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:07 -05:00
Steven Rostedt
1a5cfce344 ktest: Added reboot on success
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:07 -05:00
Steven Rostedt
5a391fbff8 ktest: Added better console, add test build
Better reading of the console.

Added running a script to do testing after build succeeds.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:07 -05:00
Steven Rostedt
5f9b6ced04 ktest: Bisecting, install modules, add logging
Added bisecting, modules, logging of the output.
Banners that show success.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:06 -05:00
Steven Rostedt
75c3fda79e ktest: New features reboot on error, make options
REBOOT_ON_ERROR to reboot the box on error

BUILD_OPTIONS to add options to the make build (like -j40)

Added "useconfig:<config>".

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:06 -05:00
Steven Rostedt
5c42fc5b97 ktest: New features: noclean, dodie, poweroff on error and success
Added dodie function to have a bit more control over die calls.

BUILD_NOCLEAN to not run make mrproper or remove .config.

POWEROFF_ON_{SUCCESS,ERROR} to turn off the power after tests.

Skip backtrace calls that were done by the backtrace tests.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:06 -05:00
Steven Rostedt
2545eb6198 Initial start of ktest.pl
Originally named autotest.pl, but renamed to ktest.pl now because
the autotest name is used by other projects.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
2010-11-18 11:23:06 -05:00