Allow variables to execute shell commands. Note, these are processed when
they are first seen while parsing the config file. This is useful if you
have the same config file used for multiple hosts (as they may be in a git
repository).
HOSTNAME := ${shell hostname}
DEFAULTS IF "${HOSTNAME}" == "frodo"
Link: https://lkml.kernel.org/r/20221207212944.277ee850@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
grub2 has submenus where to use grub-reboot, it requires:
grub-reboot X>Y
where X is the main index and Y is the submenu. Thus if you have:
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux ...
[...]
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option ...
menuentry 'Debian GNU/Linux, with Linux 6.0.0-4-amd64' --class debian --class gnu-linux ...
[...]
}
menuentry 'Debian GNU/Linux, with Linux 6.0.0-4-amd64 (recovery mode)' --class debian --class gnu-linux ...
[...]
}
menuentry 'Debian GNU/Linux, with Linux test' --class debian --class gnu-linux ...
[...]
}
And wanted to boot to the "Linux test" kernel, you need to run:
# grub-reboot 1>2
As 1 is the second top menu (the submenu) and 2 is the third of the sub
menu entries.
Have the grub.cfg parsing for grub2 handle such cases.
Cc: stable@vger.kernel.org
Fixes: a15ba91361 ("ktest: Add support for grub2")
Reviewed-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
After a full run of a make_min_config test, I noticed there were a lot of
CONFIGs still enabled that really should not be. Looking at them, I
noticed they were all defined as "default y". The issue is that the test
simple removes the config and re-runs make oldconfig, which enables it
again because it is set to default 'y'. Instead, explicitly disable the
config with writing "# CONFIG_FOO is not set" to the file to keep it from
being set again.
With this change, one of my box's minconfigs went from 768 configs set,
down to 521 configs set.
Link: https://lkml.kernel.org/r/20221202115936.016fce23@gandalf.local.home
Cc: stable@vger.kernel.org
Fixes: 0a05c769a9 ("ktest: Added config_bisect test type")
Reviewed-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Update ktest example for the boot-time tracing with histogram
options. Note that since the histogram option uses "trace()" action
instead of "EVENT()", this updates the matching pattern too.
Link: https://lkml.kernel.org/r/162856130208.203126.4458319094852152589.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
bootconfig is a new feature that appends scripts onto the initrd, and the
kernel executes the scripts as an extended kernel command line.
Need to add tests to test that the happened. To test the bootconfig
properly, the initrd needs to be updated and the kernel rebooted. ktest is
the perfect solution to perform these tests.
Add a example bootconfig.conf in the tools/testing/ktest/examples/include
and example bootconfig scripts in tools/testing/ktest/examples/bootconfig
and also include verifier scripts that ktest will install on the target
and run to make sure that the bootconfig options in the scripts took place
after the target rebooted with the new initrd update.
Link: https://lkml.kernel.org/r/20210618112647.6a81dec5@oasis.local.home
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Perl, as with most scripting languages, is fairly flexible in how /
where you can define things, and it will (for the most part) do what you
would expect it to do. This however can lead to situations, like with
ktest, where things get muddled over time.
This pushes the variable definitions back up to the top, followed by
functions, with the main script executables down at the bottom, INSTEAD
of being somewhat mish-mashed together in certain places. This mostly
has the advantage of making it more obvious where things are initially
defined, what functions are there, and ACTUALLY where the main script
starts executing, and should make this a little more approachable.
Signed-off-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This cleans up some additional whitespace pieces that to be more
consistent, as well as moving a curly brace around, and some 'or'
statements to match the rest of the file (usually or goes at the
end of the line vs. at the beginning)
Signed-off-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This is a followup to "ktest: Adding editor hints to improve
consistency" to actually adjust the existing indentation to match
the, now, expected pattern (first column 4 spaces, 2nd tab, 3rd
tab + 4 spaces, etc). This should, at least help, keep things
consistent going forward now.
Signed-off-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Emacs and Vi(m) have different styles of dealing with perl syntax
which can lead to slightly inconsistent indentation, and makes the
code slightly harder to read. Emacs assumes a more perl recommended
standard of 4 spaces (1 column) or tab (two column) indentation.
Vi(m) tends to favor just normal spaces or tabs depending on what
was being used.
This gives the basic hinting to Emacs and Vim to do what is
expected to be basically consistent.
Emacs:
- Explicitly flip into perl mode, cperl would require
more adjustments
Vi(m):
- Set softtabs=4 which will flip it over to doing
indentation the way you would expect from Emacs
Signed-off-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This duplicates the KVM/Qemu config with specific notes for how
to use it with VMware VMs on Workstation, Player, or Fusion.
The main thing to be aware of is how the serial port is exposed
which is a unix pipe, and will need something like ncat to get
into ktest's monitoring
Signed-off-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Use /usr/bin/env for shebang lines in scripts
- Remove useless -Wnested-externs warning flag
- Update documents
- Refactor log handling in modpost
- Stop building modules without MODULE_LICENSE() tag
- Make the insane combination of 'static' and EXPORT_SYMBOL an error
- Improve genksyms to handle _Static_assert()
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Merge tag 'kbuild-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
- Use /usr/bin/env for shebang lines in scripts
- Remove useless -Wnested-externs warning flag
- Update documents
- Refactor log handling in modpost
- Stop building modules without MODULE_LICENSE() tag
- Make the insane combination of 'static' and EXPORT_SYMBOL an error
- Improve genksyms to handle _Static_assert()
* tag 'kbuild-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
Documentation/kbuild: Document platform dependency practises
Documentation/kbuild: Document COMPILE_TEST dependencies
genksyms: Ignore module scoped _Static_assert()
modpost: turn static exports into error
modpost: turn section mismatches to error from fatal()
modpost: change license incompatibility to error() from fatal()
modpost: turn missing MODULE_LICENSE() into error
modpost: refactor error handling and clarify error/fatal difference
modpost: rename merror() to error()
kbuild: don't hardcode depmod path
kbuild: doc: document subdir-y syntax
kbuild: doc: clarify the difference between extra-y and always-y
kbuild: doc: split if_changed explanation to a separate section
kbuild: doc: merge 'Special Rules' and 'Custom kbuild commands' sections
kbuild: doc: fix 'List directories to visit when descending' section
kbuild: doc: replace arch/$(ARCH)/ with arch/$(SRCARCH)/
kbuild: doc: update the description about kbuild Makefiles
Makefile.extrawarn: remove -Wnested-externs warning
tweewide: Fix most Shebang lines
Change every shebang which does not need an argument to use /usr/bin/env.
This is needed as not every distro has everything under /usr/bin,
sometimes not even bash.
Signed-off-by: Finn Behrens <me@kloenk.de>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
The logic for truncating the log file for emailing based on the
MAIL_MAX_SIZE option is confusing and incorrect. Simplify it and have the
tail of the log file truncated to the max size specified in the config.
Cc: stable@vger.kernel.org
Fixes: 855d8abd2e ("ktest.pl: Change the logic to control the size of the log file emailed")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If the size of the error log is too big to send via email, and the sending
fails, it wont email any result. This can be confusing for the user who is
waiting for an email on the completion of the tests.
If it fails to send email, then try again without the log file stating that
it failed to send an email. Obviously this will not be of use if the sending
of email failed for some other reasons, but it will at least give the user
some information when it fails for the most common reason.
Cc: stable@vger.kernel.org
Fixes: c2d84ddb33 ("ktest.pl: Add MAIL_COMMAND option to define how to send email")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This issue was first noticed when I was testing different kernels on
Oracle Linux 8 which as Fedora 30+ adopts BLS as default. Even though a
kernel entry was added successfully and the index of that kernel entry was
retrieved correctly, ktest still wouldn't reboot the system into
user-specified kernel.
The bug was spotted in subroutine reboot_to where the if-statement never
checks for REBOOT_TYPE "grub2bls", therefore the desired entry will not be
set for the next boot.
Add a check for "grub2bls" so that $grub_reboot $grub_number can
be run before a reboot if REBOOT_TYPE is "grub2bls" then we can boot to
the correct kernel.
Link: https://lkml.kernel.org/r/20201121021243.1532477-1-libo.chen@oracle.com
Cc: stable@vger.kernel.org
Fixes: ac2466456e ("ktest: introduce grub2bls REBOOT_TYPE option")
Signed-off-by: Libo Chen <libo.chen@oracle.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
- Have config-bisect save the good/bad configs at each step.
- Show log file location even on success
- Add PRE_TEST_DIE to kill test if the PRE_TEST fails
- Add a NOT operator for conditionals in config file
- Add the log output of the last test when emailing on failure.
- Other minor clean ups and small fixes.
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Merge tag 'ktest-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt:
- Have config-bisect save the good/bad configs at each step.
- Show log file location even on success
- Add PRE_TEST_DIE to kill test if the PRE_TEST fails
- Add a NOT operator for conditionals in config file
- Add the log output of the last test when emailing on failure.
- Other minor clean ups and small fixes.
* tag 'ktest-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest:
ktest.pl: Fix spelling mistake "Cant" -> "Can't"
ktest.pl: Change the logic to control the size of the log file emailed
ktest.pl: Add MAIL_MAX_SIZE to limit the amount of log emailed
ktest.pl: Add the log of last test in email on failure
ktest.pl: Turn off buffering to the log file
ktest.pl: Just open up the log file once
ktest.pl: Add a NOT operator
ktest.pl: Define PRE_TEST_DIE to kill the test if the PRE_TEST fails
ktest.pl: Always show log file location if defined even on success
ktest.pl: Have config-bisect save each config used in the bisect
If the log file for a given test is larger than the max size given then use
set the seek from the end of the log file instead of from the start of the
test.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Rationale:
Reduces attack surface on kernel devs opening the links for MITM
as HTTPS traffic is much harder to manipulate.
Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: http://lkml.kernel.org/r/20200726120752.16768-1-grandmaster@al2klimov.de
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add the ktest config option MAIL_MAX_SIZE that will limit the size of the
log file that is placed into the email on failure.
Link: https://lore.kernel.org/r/20200701231756.790637968@goodmis.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If a failure happens and an email is sent, show the contents of the log of
the last test that failed in the email.
Link: http://lore.kernel.org/r/20200701231756.619246244@goodmis.org
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The log file should be up to date to whatever is happening in ktest.
Disable buffering to the LOG output file handle.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Currently, every write to the log file is done by opening the file, writing
to it, then closing the file. This rather expensive. Just open it at the
beginning and close it at the end.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
There is a NOT DEFINED operator, but there is not an operator that can
negate any other expression.
For example: NOT (${FOO} == boot || ${BAR} == run)
Add the keyword NOT to allow the ktest.pl config files to negate operators.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Currently, if a PRE_TEST is defined and ran, but fails, there's nothing
currently available to make the test fail too. Add a PRE_TEST_DIE option that
when set, if a PRE_TEST is defined and fails, the test will die too.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If a log file is defined and the test were to error, a print statement is
made that shows the user where the log file is to examine it further. But
this is not done if the test were to succeed.
I find it annoying that it does not show where the log file is on success,
as I run several different tests that place their log files in various
locations, and even though the test pass, there's things I want to look at
in the log file (like warnings). It is much easier to find where the log
file is, if it is displayed at the end of a test.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
When performing a automatic config bisect via ktest.pl, it is very useful to
have a copy of each of the bisects used. This way, if a bisect were to go
wrong, it is possible to retrace the steps and continue at the location
before the error was made.
The ktest.pl will make a copy of the good and bad configs, labeled as such,
as well as a number attached to it that represents the iteration of the
bisect. These files are saved in the ktest temp directory where it currently
stores the good and bad config files.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch fixes multipe spelling typo found in ktest.pl.
Link: http://lkml.kernel.org/r/20200309115430.57540-1-standby24x7@gmail.com
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Before rebooting the box, a "ssh sync" is called to the test machine to see
if it is alive or not. But if the test machine is in a partial state, that
ssh may never actually finish, and the ktest test hangs.
Add a 10 second timeout to the sync test, which will fail after 10 seconds
and then cause the test to reboot the test machine.
Cc: stable@vger.kernel.org
Fixes: 6474ace999 ("ktest.pl: Powercycle the box on reboot if no connection can be made")
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
For the last time, I screwed up my ktest config file, and the build went
into the default "randconfig", blowing away the .config that I had set up.
The reason for the default randconfig was because when this was first
written, I wanted to do a bunch of randconfigs. But as time progressed,
ktest isn't about randconfig anymore, and because randconfig destroys the
config in the build directory, it's a dangerous default to have. Use
oldconfig as the default.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch fixes some spelling typo in sample.conf
Link: http://lkml.kernel.org/r/20190930124925.20250-1-standby24x7@gmail.com
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This patch fixes some spelling typos in config-bisect.pl
Link: http://lkml.kernel.org/r/20190723032445.14220-1-standby24x7@gmail.com
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Based on 1 normalized pattern(s):
licensed under the terms of the gnu gpl license version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 62 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.929121379@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For BLS, kernel entry is added by kernel-install command through
POST_INSALL, for example,
POST_INSTALL = ssh root@Test "/usr/bin/kernel-install \
add $KERNEL_VERSION /boot/vmlinuz-$KERNEL_VERSION"
The entry is removed by kernel-install command and the kernel
version is needed for the argument.
Pass KERNEL_VERSION variable to POST_KTEST so that kernel-install
command can remove the entry like as follows:
POST_KTEST = ssh root@Test "/usr/bin/kernel-install remove $KERNEL_VERSION"
Link: http://lkml.kernel.org/r/20190509213647.6276-5-msys.mizuma@gmail.com
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Fedora 30 introduces Boot Loader Specification (BLS),
it changes around grub entry configuration.
kernel entries aren't in grub.cfg. We can get the entries
by "grubby --info=ALL" command.
Introduce grub2bls as REBOOT_TYPE option for BLS.
Link: http://lkml.kernel.org/r/20190509213647.6276-4-msys.mizuma@gmail.com
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Unexpected power cycle occurs while the installation of the
kernel.
ssh root@Test sync ... [0 seconds] SUCCESS
ssh root@Test reboot ... [1 second] FAILED!
virsh destroy Test; sleep 5; virsh start Test ... [6 seconds] SUCCESS
That is because REBOOT, the default is "ssh $SSH_USER@$MACHINE
reboot", exits as 255 even if the reboot is successfully done,
like as:
]# ssh root@Test reboot
Connection to Test closed by remote host.
]# echo $?
255
]#
To avoid the unexpected power cycle, introduce a new parameter,
REBOOT_RETURN_CODE to judge whether REBOOT is successfully done
or not.
Link: http://lkml.kernel.org/r/20190418135943.12640-1-msys.mizuma@gmail.com
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
ktest fails if meta characters are in GRUB_MENU, for example
GRUB_MENU = 'Fedora (test)'
The failure happens because the meta characters are not escaped,
so the menu doesn't match in any entries in GRUB_FILE.
Use quotemeta() to escape the meta characters.
Link: http://lkml.kernel.org/r/20190417235823.18176-1-msys.mizuma@gmail.com
Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If a test has an error, display not only the what type of test failed, but
if the test was giving a name, display that too, as well as the current
iteration of the tests. Each test has an iteration number associated to it.
For error messages display that iteration number along with the test type
and test name. This includes the message that gets sent via email.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
in my local tree for some time. I need to push them upstream:
- Separate out config-bisect.pl from ktest.pl.
This allows users to do config bisects without full ktest setup.
- Email on status change.
Allow the user to be emailed on test start, finish, failure, etc.
- Other small fixes and enhancements
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Merge tag 'ktest-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest
Pull ktest updates from Steven Rostedt:
"These commits have either been sitting in my INBOX or have been in my
local tree for some time. I need to push them upstream:
- Separate out config-bisect.pl from ktest.pl.
This allows users to do config bisects without full ktest setup.
- Email on status change.
Allow the user to be emailed on test start, finish, failure, etc.
- Other small fixes and enhancements"
* tag 'ktest-v4.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-ktest: (24 commits)
ktest: Take submenu into account for grub2 menus
ktest.pl: Add MAIL_COMMAND option to define how to send email
ktest.pl: Use run_command to execute sending mail
ktest.pl: Allow dodie be recursive
ktest.pl: Kill test if mailer is not supported
ktest.pl: Add MAIL_PATH option to define where to find the mailer
ktest.pl: No need to print no mailer is specified when mailto is not
Ktest: add email options to sample.config
Ktest: Use dodie for critical falures
Ktest: Add SigInt handling
Ktest: Add email support
ktest.pl: Detect if a config-bisect was interrupted
ktest.pl: Make finding config-bisect.pl dynamic
ktest.pl: Have ktest.pl pass -r to config-bisect.pl to reset bisect
ktest.pl: Use diffconfig if available for failed config bisects
ktest.pl: Allow for the config-bisect.pl output to display to console
ktest: Use config-bisect.pl in ktest.pl
ktest: Add standalone config-bisect.pl program
ktest: Set do_not_reboot=y for CONFIG_BISECT_TYPE=build
ktest: Set buildonly=1 for CONFIG_BISECT_TYPE=build
...
Allow the user to override the default way to send email. This will allow
the user to add their own mailer and format for sending email.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Instead of open coding system() call, use run_command which will log the
sending of email as well.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
If dodie cause a function that itself will call dodie, then be able to
handle that. This will allow dodie functions to call run_command, which
could possibly call dodie. If dodie is called again, simply ignore it.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The option MAIL_PATH lets the user decide how to find the mailer they are
using. For example, sendmail is usually located in /usr/sbin but is not
always in the path of non admin users. Have ktest look through the user's
PATH environment variable (adding /usr/sbin) as well, but if that's not good
enough, allow the user to define where to find the mailer.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
squash to mail exec
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Steven Rostedt (Google)