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2024-07-17tools/verification: Use pkg-config in lib_setup of Makefile.configGuilherme Amadio
This allows to build against libtraceevent and libtracefs installed in non-standard locations. Signed-off-by: Guilherme Amadio <amadio@gentoo.org> Tested-by: Thorsten Leemhuis <linux@leemhuis.info> Tested-by: Leo Yan <leo.yan@arm.com> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org> Link: https://lore.kernel.org/r/20240712194511.3973899-4-amadio@gentoo.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2024-03-20tools/verification: Use tools/build makefiles on rvDaniel Bristot de Oliveira
Use tools/build/ makefiles to build rv, inheriting the benefits of it. For example, having a proper way to handle dependencies. Link: https://lkml.kernel.org/r/2a38a8f7b8dc65fa790381ec9ab42fb62beb2e25.1710519524.git.bristot@kernel.org Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Josh Poimboeuf <jpoimboe@kernel.org> Cc: John Kacur <jkacur@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2024-02-12tools/rv: Fix curr_reactor uninitialized variableDaniel Bristot de Oliveira
clang is reporting: $ make HOSTCC=clang CC=clang LLVM_IAS=1 clang -O -g -DVERSION=\"6.8.0-rc3\" -flto=auto -fexceptions -fstack-protector-strong -fasynchronous-unwind-tables -fstack-clash-protection -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS $(pkg-config --cflags libtracefs) -I include -c -o src/in_kernel.o src/in_kernel.c [...] src/in_kernel.c:227:6: warning: variable 'curr_reactor' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] 227 | if (!end) | ^~~~ src/in_kernel.c:242:9: note: uninitialized use occurs here 242 | return curr_reactor; | ^~~~~~~~~~~~ src/in_kernel.c:227:2: note: remove the 'if' if its condition is always false 227 | if (!end) | ^~~~~~~~~ 228 | goto out_free; | ~~~~~~~~~~~~~ src/in_kernel.c:221:6: warning: variable 'curr_reactor' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] 221 | if (!start) | ^~~~~~ src/in_kernel.c:242:9: note: uninitialized use occurs here 242 | return curr_reactor; | ^~~~~~~~~~~~ src/in_kernel.c:221:2: note: remove the 'if' if its condition is always false 221 | if (!start) | ^~~~~~~~~~~ 222 | goto out_free; | ~~~~~~~~~~~~~ src/in_kernel.c:215:20: note: initialize the variable 'curr_reactor' to silence this warning 215 | char *curr_reactor; | ^ | = NULL 2 warnings generated. Which is correct. Setting curr_reactor to NULL avoids the problem. Link: https://lkml.kernel.org/r/3a35551149e5ee0cb0950035afcb8082c3b5d05b.1707217097.git.bristot@kernel.org Cc: stable@vger.kernel.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Bill Wendling <morbo@google.com> Cc: Justin Stitt <justinstitt@google.com> Cc: Donald Zickus <dzickus@redhat.com> Fixes: 6d60f89691fc ("tools/rv: Add in-kernel monitor interface") Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2024-02-12tools/rv: Fix Makefile compiler options for clangDaniel Bristot de Oliveira
The following errors are showing up when compiling rv with clang: $ make HOSTCC=clang CC=clang LLVM_IAS=1 [...] clang -O -g -DVERSION=\"6.8.0-rc1\" -flto=auto -ffat-lto-objects -fexceptions -fstack-protector-strong -fasynchronous-unwind-tables -fstack-clash-protection -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS -Wno-maybe-uninitialized $(pkg-config --cflags libtracefs) -I include -c -o src/utils.o src/utils.c clang: warning: optimization flag '-ffat-lto-objects' is not supported [-Wignored-optimization-argument] warning: unknown warning option '-Wno-maybe-uninitialized'; did you mean '-Wno-uninitialized'? [-Wunknown-warning-option] 1 warning generated. clang -o rv -ggdb src/in_kernel.o src/rv.o src/trace.o src/utils.o $(pkg-config --libs libtracefs) src/in_kernel.o: file not recognized: file format not recognized clang: error: linker command failed with exit code 1 (use -v to see invocation) make: *** [Makefile:110: rv] Error 1 Solve these issues by: - removing -ffat-lto-objects and -Wno-maybe-uninitialized if using clang - informing the linker about -flto=auto Link: https://lkml.kernel.org/r/ed94a8ddc2ca8c8ef663cfb7ae9dd196c4a66b33.1707217097.git.bristot@kernel.org Cc: stable@vger.kernel.org Cc: Masami Hiramatsu <mhiramat@kernel.org> Cc: Nathan Chancellor <nathan@kernel.org> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Bill Wendling <morbo@google.com> Cc: Justin Stitt <justinstitt@google.com> Fixes: 4bc4b131d44c ("rv: Add rv tool") Suggested-by: Donald Zickus <dzickus@redhat.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2023-10-30verification/dot2k: Delete duplicate importsAlessandro Carminati (Red Hat)
The presence of duplicate import lines appears to be a typo. Removing them. Link: https://lore.kernel.org/r/20230906155703.3917918-1-alessandro.carminati@gmail.com Fixes: 24bce201d798 ("tools/rv: Add dot2k") Signed-off-by: Alessandro Carminati (Red Hat) <alessandro.carminati@gmail.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2023-04-25rv: Fix addition on an uninitialized variable 'run'Colin Ian King
The variable run is not initialized however it is being accumulated by the return value from the call to ikm_run_monitor. Fix this by initializing run to zero at the start of the function. Link: https://lkml.kernel.org/r/20230424094730.105313-1-colin.i.king@gmail.com Fixes: 4bc4b131d44c ("rv: Add rv tool") Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2023-01-31tools/rv: Remove unneeded semicolonzhang songyi
The semicolon after the "}" is unneeded. Link: https://lore.kernel.org/linux-trace-devel/202212191431057948891@zte.com.cn Signed-off-by: zhang songyi <zhang.songyi@zte.com.cn> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-12-21Merge tag 'trace-v6.2-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing fix from Steven Rostedt: "I missed this minor hardening of the kernel in the first pull. - Make monitor structures read only" * tag 'trace-v6.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rv/monitors: Move monitor structure in rodata
2022-12-20rv/monitors: Move monitor structure in rodataAlessandro Carminati
It makes sense to move the important monitor structure into rodata to prevent accidental structure modification. Link: https://lkml.kernel.org/r/20221122173648.4732-1-acarmina@redhat.com Signed-off-by: Alessandro Carminati <acarmina@redhat.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-12-09Documentation/rv: Add verification/rv man pagesDaniel Bristot de Oliveira
Add man pages for the rv command line, using the same scheme we used in rtla. Link: https://lkml.kernel.org/r/e841d7cfbdfc3ebdaf7cbd40278571940145d829.1668180100.git.bristot@kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-12-09tools/rv: Add in-kernel monitor interfaceDaniel Bristot de Oliveira
Add the ability to control and trace in-kernel monitors. This is a generic interface, it will check for existing monitors and enable standard setup, like enabling reactors. For example: # rv list wip wakeup in preemptive per-cpu testing monitor. [OFF] wwnr wakeup while not running per-task testing model. [OFF] # rv mon wwnr --help rv version 6.1.0-rc4: help usage: rv mon wwnr [-h] [-q] [-r reactor] [-s] [-v] -h/--help: print this menu and the reactor list -r/--reactor 'reactor': enables the 'reactor' -s/--self: when tracing (-t), also trace rv command -t/--trace: trace monitor's event -v/--verbose: print debug messages available reactors: nop printk panic # rv mon wwnr --trace <TASK>-PID [CPU] TYPE ID STATE x EVENT -> NEXT_STATE FINAL | | | | | | | | | rv-3613 [001] event 3613 running x switch_out -> not_running Y sshd-1248 [005] event 1248 running x switch_out -> not_running Y <idle>-0 [005] event 71 not_running x wakeup -> not_running Y <idle>-0 [005] event 71 not_running x switch_in -> running N kcompactd0-71 [005] event 71 running x switch_out -> not_running Y <idle>-0 [000] event 860 not_running x wakeup -> not_running Y <idle>-0 [000] event 860 not_running x switch_in -> running N systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y <idle>-0 [000] event 860 not_running x wakeup -> not_running Y <idle>-0 [000] event 860 not_running x switch_in -> running N systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y <idle>-0 [005] event 71 not_running x wakeup -> not_running Y <idle>-0 [005] event 71 not_running x switch_in -> running N kcompactd0-71 [005] event 71 running x switch_out -> not_running Y <idle>-0 [000] event 860 not_running x wakeup -> not_running Y <idle>-0 [000] event 860 not_running x switch_in -> running N systemd-oomd-860 [000] event 860 running x switch_out -> not_running Y <idle>-0 [001] event 3613 not_running x wakeup -> not_running Y Link: https://lkml.kernel.org/r/1e57547e3acadda6e23949b2672c89e76ec2ec42.1668180100.git.bristot@kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-12-09rv: Add rv toolDaniel Bristot de Oliveira
This is the (user-space) runtime verification tool, named rv. This tool aims to be the interface for in-kernel rv monitors, as well as the home for monitors in user-space (online asynchronous), and in *eBPF. The tool receives a command as the first argument, the current commands are: list - list all available monitors mon - run a given monitor Each monitor is an independent piece of software inside the tool and can have their own arguments. There is no monitor implemented in this patch, it only adds the basic structure of the tool, based on rtla. # rv --help rv version 6.1.0-rc4: help usage: rv command [-h] [command_options] -h/--help: print this menu command: run one of the following command: list: list all available monitors mon: run a monitor [command options]: each command has its own set of options run rv command -h for further information *dot2bpf is the next patch set, depends on this, doing cleanups. Link: https://lkml.kernel.org/r/fb51184f3b95aea0d7bfdc33ec09f4153aee84fa.1668180100.git.bristot@kernel.org Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-10-20rv/dot2c: Make automaton definition staticDaniel Bristot de Oliveira
Monitor's automata definition is only used locally, so make dot2c generate a static definition. Link: https://lore.kernel.org/all/202208210332.gtHXje45-lkp@intel.com Link: https://lore.kernel.org/all/202208210358.6HH3OrVs-lkp@intel.com Link: https://lkml.kernel.org/r/ffbb92010f643307766c9307fd42f416e5b85fa0.1661266564.git.bristot@kernel.org Cc: Steven Rostedt <rostedt@goodmis.org> Fixes: e3c9fc78f096 ("tools/rv: Add dot2c") Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26rv/monitor: Add __init/__exit annotations to module init/exit funcsXiu Jianfeng
Add missing __init/__exit annotations to module init/exit funcs. Link: https://lkml.kernel.org/r/20220922103208.162869-1-xiujianfeng@huawei.com Fixes: 24bce201d798 ("tools/rv: Add dot2k") Fixes: 8812d21219b9 ("rv/monitor: Add the wip monitor skeleton created by dot2k") Fixes: ccc319dcb450 ("rv/monitor: Add the wwnr monitor") Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-09-26rv/dot2K: add 'static' qualifier for local variableZeng Heng
Following Daniel's suggestion, fix similar warning in template files, which would prevent new monitors from such warning. Link: https://lkml.kernel.org/r/20220824034357.2014202-3-zengheng4@huawei.com Cc: <mingo@redhat.com> Fixes: 24bce201d798 ("tools/rv: Add dot2k") Suggested-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Zeng Heng <zengheng4@huawei.com> Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30rv/monitor: Add the wwnr monitorDaniel Bristot de Oliveira
Per task wakeup while not running (wwnr) monitor. This model is broken, the reason is that a task can be running in the processor without being set as RUNNABLE. Think about a task about to sleep: 1: set_current_state(TASK_UNINTERRUPTIBLE); 2: schedule(); And then imagine an IRQ happening in between the lines one and two, waking the task up. BOOM, the wakeup will happen while the task is running. Q: Why do we need this model, so? A: To test the reactors. Link: https://lkml.kernel.org/r/473c0fc39967250fdebcff8b620311c11dccad30.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30rv/monitor: Add the wip monitorDaniel Bristot de Oliveira
The wakeup in preemptive (wip) monitor verifies if the wakeup events always take place with preemption disabled: | | v #==================# H preemptive H <+ #==================# | | | | preempt_disable | preempt_enable v | sched_waking +------------------+ | +--------------- | | | | | non_preemptive | | +--------------> | | -+ +------------------+ The wakeup event always takes place with preemption disabled because of the scheduler synchronization. However, because the preempt_count and its trace event are not atomic with regard to interrupts, some inconsistencies might happen. The documentation illustrates one of these cases. Link: https://lkml.kernel.org/r/c98ca678df81115fddc04921b3c79720c836b18f.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30Documentation/rv: Add deterministic automata monitor synthesis documentationDaniel Bristot de Oliveira
Add the da_monitor_synthesis.rst introduces some concepts behind the Deterministic Automata (DA) monitor synthesis and interface. Link: https://lkml.kernel.org/r/7873bdb7b2e5d2bc0b2eb6ca0b324af9a0ba27a0.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30tools/rv: Add dot2kDaniel Bristot de Oliveira
transform .dot file into kernel rv monitor usage: dot2k [-h] -d DOT_FILE -t MONITOR_TYPE [-n MODEL_NAME] [-D DESCRIPTION] optional arguments: -h, --help show this help message and exit -d DOT_FILE, --dot DOT_FILE -t MONITOR_TYPE, --monitor_type MONITOR_TYPE -n MODEL_NAME, --model_name MODEL_NAME -D DESCRIPTION, --description DESCRIPTION Link: https://lkml.kernel.org/r/083b3ae61e5a62c1e2e5d08009baa91f82181618.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30Documentation/rv: Add deterministic automaton documentationDaniel Bristot de Oliveira
Add documentation about deterministic automaton and its possible representations (formal, graphic, .dot and C). Link: https://lkml.kernel.org/r/387edaed87630bd5eb37c4275045dfd229700aa6.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
2022-07-30tools/rv: Add dot2cDaniel Bristot de Oliveira
dot2c is a tool that transforms an automata in the graphiviz .dot file into an C representation of the automata. usage: dot2c [-h] dot_file dot2c: converts a .dot file into a C structure positional arguments: dot_file The dot file to be converted optional arguments: -h, --help show this help message and exit Link: https://lkml.kernel.org/r/b26204ba9509c80bcda31b76cdea31ddb188cd24.1659052063.git.bristot@kernel.org Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Will Deacon <will@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Marco Elver <elver@google.com> Cc: Dmitry Vyukov <dvyukov@google.com> Cc: "Paul E. McKenney" <paulmck@kernel.org> Cc: Shuah Khan <skhan@linuxfoundation.org> Cc: Gabriele Paoloni <gpaoloni@redhat.com> Cc: Juri Lelli <juri.lelli@redhat.com> Cc: Clark Williams <williams@redhat.com> Cc: Tao Zhou <tao.zhou@linux.dev> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-trace-devel@vger.kernel.org Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
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