linux/kernel/trace/rv/Kconfig
Daniel Bristot de Oliveira e88043c0ac rv/reactor: Add the panic reactor
Sample reactor that panics the system when an exception is found. This
is useful both to capture a vmcore, or to fail-safe a critical system.

Link: https://lkml.kernel.org/r/729aae3aba95f35738b8f8180e626d747d1d9da2.1659052063.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>
2022-07-30 14:01:30 -04:00

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# SPDX-License-Identifier: GPL-2.0-only
#
config DA_MON_EVENTS
bool
config DA_MON_EVENTS_IMPLICIT
select DA_MON_EVENTS
bool
config DA_MON_EVENTS_ID
select DA_MON_EVENTS
bool
menuconfig RV
bool "Runtime Verification"
depends on TRACING
help
Enable the kernel runtime verification infrastructure. RV is a
lightweight (yet rigorous) method that complements classical
exhaustive verification techniques (such as model checking and
theorem proving). RV works by analyzing the trace of the system's
actual execution, comparing it against a formal specification of
the system behavior.
For further information, see:
Documentation/trace/rv/runtime-verification.rst
config RV_MON_WIP
depends on RV
depends on PREEMPT_TRACER
select DA_MON_EVENTS_IMPLICIT
bool "wip monitor"
help
Enable wip (wakeup in preemptive) sample monitor that illustrates
the usage of per-cpu monitors, and one limitation of the
preempt_disable/enable events.
For further information, see:
Documentation/trace/rv/monitor_wip.rst
config RV_MON_WWNR
depends on RV
select DA_MON_EVENTS_ID
bool "wwnr monitor"
help
Enable wwnr (wakeup while not running) sample monitor, this is a
sample monitor that illustrates the usage of per-task monitor.
The model is borken on purpose: it serves to test reactors.
For further information, see:
Documentation/trace/rv/monitor_wwnr.rst
config RV_REACTORS
bool "Runtime verification reactors"
default y
depends on RV
help
Enables the online runtime verification reactors. A runtime
monitor can cause a reaction to the detection of an exception
on the model's execution. By default, the monitors have
tracing reactions, printing the monitor output via tracepoints,
but other reactions can be added (on-demand) via this interface.
config RV_REACT_PRINTK
bool "Printk reactor"
depends on RV_REACTORS
default y
help
Enables the printk reactor. The printk reactor emits a printk()
message if an exception is found.
config RV_REACT_PANIC
bool "Panic reactor"
depends on RV_REACTORS
default y
help
Enables the panic reactor. The panic reactor emits a printk()
message if an exception is found and panic()s the system.