| 文件 | 最后提交记录 | 最后更新时间 |
|---|---|---|
tools/.../rcutorture: Convert to SPDX license identifier Replace the license boiler plate with a SPDX license identifier. While in the area, update an email address and add copyright notices. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> | 7 年前 | |
tools/.../rcutorture: Convert to SPDX license identifier Replace the license boiler plate with a SPDX license identifier. While in the area, update an email address and add copyright notices. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> | 7 年前 | |
torture: Suppress false-positive CONFIG_INITRAMFS_SOURCE complaint The scripting must supply the CONFIG_INITRAMFS_SOURCE Kconfig option so that kbuild can find the desired initrd, but the configcheck.sh script gets confused by this option because it takes a string instead of the expected y/n/m. This causes checkconfig.sh to complain about CONFIG_INITRAMFS_SOURCE in the torture-test output (though not in the summary). As more people use rcutorture, the resulting confusion is an increasing concern. This commit therefore suppresses this false-positive warning by filtering CONFIG_INITRAMFS_SOURCE from within the checkconfig.sh script. Reported-by: Joel Fernandes <joel@joelfernandes.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> | 7 年前 | |
torture: Pass --kmake-arg to all make invocations We need to pass the arguments provided to --kmake-arg to all make invocations. In particular, the make invocations generating the configs need to see the final make arguments, e.g. if config variables depend on particular variables that are passed to make. For example, when using '--kcsan --kmake-arg CC=clang-11', we would lose CONFIG_KCSAN=y due to 'make oldconfig' not seeing that we want to use a compiler that supports KCSAN. Signed-off-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Exclude "NOHZ tick-stop error" from fatal errors stable inclusion from stable-5.10.163 commit 4c57f612f433f667c454191a8ff078b135dfcc4d category: bugfix issue: #I7H920 CVE: NA Signed-off-by: Jin zhengyang <jinzhengyang3@huawei.com> --------------------------------------- commit 8d68e68a781db80606c8e8f3e4383be6974878fd upstream. The "NOHZ tick-stop error: Non-RCU local softirq work is pending" warning happens frequently and appears to be irrelevant to the various torture tests. This commit therefore filters it out. If there proves to be a need to pay attention to it a later commit will add an "advice" category to allow the user to immediately see that although something happened, it was not an indictment of the system being tortured. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: ruty8086 <huzhaodong@huawei.com> | 2 年前 | |
torture: Handle systems lacking the mpstat command The rcutorture scripting uses the mpstat command to determine how much the system is being used, and adjusts make's -j argument accordingly. However, mpstat isn't installed by default, so it would be good if the scripting does something useful when mpstat isn't present. This commit therefore makes the scripts assumes that if mpstat is not present, they are free to use all the CPUs. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 6 年前 | |
torture: Remove whitespace from identify_qemu_vcpus output The identify_qemu_vcpus bash function can return numbers including whitespace characters, which can be a bit annoying in some bash dollar-sign substitutions. This commit therefore strips all spaces and tabs from the value that identify_qemu_vcpus outputs. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Add a stop-run capability When bisecting RCU issues, it is often the case that the first error in an unsuccessful run will happen quickly, but that a successful run must go on for some time in order to obtain a sufficiently low false-negative error rate. In many cases, a bisection requires multiple concurrent runs, in which case the first failure in any run indicates failure, pure and simple. In such cases, it would speed things up greatly if the first failure terminated all runs. This commit therefore adds scripting that checks for a file named "STOP" in the top-level results directory, terminating the run when it appears. Note that in-progress builds will continue until completion, but future builds and all runs will be cut short. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Make --kcsan argument also create a summary The KCSAN tool emits a great many warnings for current kernels, for example, a one-hour run of the full set of rcutorture scenarios results in no fewer than 3252 such warnings, many of which are duplicates or are otherwise closely related. This commit therefore introduces a kcsan-collapse.sh script that maps these warnings down to a set of function pairs (22 of them given the 3252 individual warnings), placing the resulting list in decreasing order of frequency of occurrence into a kcsan.sum file. If any KCSAN warnings were produced, the pathname of this file is emitted at the end of the summary of the rcutorture runs. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 6 年前 | |
torture: Add a stop-run capability When bisecting RCU issues, it is often the case that the first error in an unsuccessful run will happen quickly, but that a successful run must go on for some time in order to obtain a sufficiently low false-negative error rate. In many cases, a bisection requires multiple concurrent runs, in which case the first failure in any run indicates failure, pure and simple. In such cases, it would speed things up greatly if the first failure terminated all runs. This commit therefore adds scripting that checks for a file named "STOP" in the top-level results directory, terminating the run when it appears. Note that in-progress builds will continue until completion, but future builds and all runs will be cut short. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Add script to smoke-test commits in a branch This commit adds a kvm-check-branches.sh script that takes a list of commits and commit ranges and runs a short rcutorture test on all scenarios on each specified commit. A summary is printed at the end, and the script returns success if all rcutorture runs completed without error. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
rcutorture: Make kvm-find-errors.sh abort on bad directory Currently, kvm-find-errors.sh gives a usage prompt when given a bad directory, but then soldiers on, giving a series of confusing error messages. This commit therefore prints an error message and exits when given a bad directory, hopefully reducing confusion. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 6 年前 | |
tools/.../rcutorture: Convert to SPDX license identifier Replace the license boiler plate with a SPDX license identifier. While in the area, update an email address and add copyright notices. Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> | 7 年前 | |
rcutorture: Make kvm-recheck-rcu.sh handle truncated lines System hangs or killed rcutorture guest OSes can result in truncated "Reader Pipe:" lines, which can in turn result in false-positive reader-batch near-miss warnings. This commit therefore adjusts the reader-batch checks to account for possible line truncation. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 6 年前 | |
rcuperf: Change rcuperf to rcuscale This commit further avoids conflation of rcuperf with the kernel's perf feature by renaming kernel/rcu/rcuperf.c to kernel/rcu/rcuscale.c, and also by similarly renaming the functions and variables inside this file. This has the side effect of changing the names of the kernel boot parameters, so kernel-parameters.txt and ver_functions.sh are also updated. The rcutorture --torture type was also updated from rcuperf to rcuscale. [ paulmck: Fix bugs located by Stephen Rothwell. ] Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
rcuperf: Change rcuperf to rcuscale This commit further avoids conflation of rcuperf with the kernel's perf feature by renaming kernel/rcu/rcuperf.c to kernel/rcu/rcuscale.c, and also by similarly renaming the functions and variables inside this file. This has the side effect of changing the names of the kernel boot parameters, so kernel-parameters.txt and ver_functions.sh are also updated. The rcutorture --torture type was also updated from rcuperf to rcuscale. [ paulmck: Fix bugs located by Stephen Rothwell. ] Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
refscale: Change --torture type from refperf to refscale This commit renames the rcutorture config/refperf to config/refscale to further avoid conflation with the Linux kernel's perf feature. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Add scftorture to the rcutorture scripting This commit updates the rcutorture scripting to include the new scftorture torture-test module. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Improve diagnostic for KCSAN-incapable compilers Using --kcsan when the compiler does not support KCSAN results in this: :CONFIG_KCSAN=y: improperly set :CONFIG_KCSAN_REPORT_ONCE_IN_MS=100000: improperly set :CONFIG_KCSAN_VERBOSE=y: improperly set :CONFIG_KCSAN_INTERRUPT_WATCHER=y: improperly set Clean KCSAN run in /home/git/linux-rcu/tools/testing/selftests/rcutorture/res/2020.06.16-09.53.16 This is a bit obtuse, so this commit adds checks resulting in this: :CONFIG_KCSAN=y: improperly set :CONFIG_KCSAN_REPORT_ONCE_IN_MS=100000: improperly set :CONFIG_KCSAN_VERBOSE=y: improperly set :CONFIG_KCSAN_INTERRUPT_WATCHER=y: improperly set Compiler or architecture does not support KCSAN! Did you forget to switch your compiler with --kmake-arg CC=<cc-that-supports-kcsan>? Suggested-by: Marco Elver <elver@google.com> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> Acked-by: Marco Elver <elver@google.com> | 5 年前 | |
torture: Add gdb support This commit adds a "--gdb" parameter to kvm.sh, which causes "CONFIG_DEBUG_INFO=y" to be added to the Kconfig options, "nokaslr" to be added to the boot parameters, and "-s -S" to be added to the qemu arguments. Furthermore, the scripting prints messages telling the user how to start up gdb for the run in question. Because of the interactive nature of gdb sessions, only one "--configs" scenario is permitted when "--gdb" is specified. For most torture types, this means that a "--configs" argument is required, and that argument must specify the single scenario of interest. The usual cautions about breakpoints and timing apply, for example, staring at your gdb prompt for too long will likely get you many complaints, including RCU CPU stall warnings. Omar Sandoval further suggests using gdb's "hbreak" command instead of the "break" command on systems supporting hardware breakpoints, and further using the "commands" option because the resulting non-interactive breakpoints are less likely to get you RCU CPU stall warnings. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
torture: Add kvm-tranform.sh script for qemu-cmd files This commit adds a script that transforms qemu-cmd files to allow them and the corresponding kernels to be run in contexts other than the one that they were created for, including on systems other than the one that they were built on. For example, this allows the build products from a --buildonly run to be transformed to allow distributed rcutorture testing. Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 | |
Merge branch 'scftorture.2020.08.24a' into HEAD scftorture.2020.08.24a: Torture tests for smp_call_function() and friends. | 5 年前 | |
rcutorture: Dispense with Dracut for initrd creation The dracut scripting does not work on all platforms, and there are no known failures from the init binary based on the statically linked C program. This commit therefore removes the dracut scripting so that the statically linked C program is always used to create the init "script". Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 6 年前 | |
torture: Add --trust-make to suppress "make clean" The current rcutorture scripts unconditionally do "make clean", which is a good way of getting the needed testing done despite any imperfections in Makefile dependency tracking. However, this can be a bit irritating when repeatedly running a single scenario after small changes, for example, when debugging a problem that affects only a single scenario. This commit therefore adds a --trust-make argument that suppresses the "make clean". Even when using ccache, this speeds up kernel builds by up to almost an order of magnitude on my laptop. Reported-by: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com> | 6 年前 | |
rcuperf: Change rcuperf to rcuscale This commit further avoids conflation of rcuperf with the kernel's perf feature by renaming kernel/rcu/rcuperf.c to kernel/rcu/rcuscale.c, and also by similarly renaming the functions and variables inside this file. This has the side effect of changing the names of the kernel boot parameters, so kernel-parameters.txt and ver_functions.sh are also updated. The rcutorture --torture type was also updated from rcuperf to rcuscale. [ paulmck: Fix bugs located by Stephen Rothwell. ] Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@kernel.org> | 5 年前 |
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