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-rw-r--r--Documentation/tools/index.rst21
-rw-r--r--Documentation/tools/rtla/Makefile53
-rw-r--r--Documentation/tools/rtla/common_appendix.rst13
-rw-r--r--Documentation/tools/rtla/common_hist_options.rst23
-rw-r--r--Documentation/tools/rtla/common_options.rst55
-rw-r--r--Documentation/tools/rtla/common_osnoise_description.rst8
-rw-r--r--Documentation/tools/rtla/common_osnoise_options.rst27
-rw-r--r--Documentation/tools/rtla/common_timerlat_aa.rst7
-rw-r--r--Documentation/tools/rtla/common_timerlat_description.rst10
-rw-r--r--Documentation/tools/rtla/common_timerlat_options.rst35
-rw-r--r--Documentation/tools/rtla/common_top_options.rst3
-rw-r--r--Documentation/tools/rtla/index.rst27
-rw-r--r--Documentation/tools/rtla/rtla-hwnoise.rst107
-rw-r--r--Documentation/tools/rtla/rtla-osnoise-hist.rst66
-rw-r--r--Documentation/tools/rtla/rtla-osnoise-top.rst61
-rw-r--r--Documentation/tools/rtla/rtla-osnoise.rst59
-rw-r--r--Documentation/tools/rtla/rtla-timerlat-hist.rst109
-rw-r--r--Documentation/tools/rtla/rtla-timerlat-top.rst134
-rw-r--r--Documentation/tools/rtla/rtla-timerlat.rst57
-rw-r--r--Documentation/tools/rtla/rtla.rst48
-rw-r--r--Documentation/tools/rv/Makefile52
-rw-r--r--Documentation/tools/rv/common_appendix.rst16
-rw-r--r--Documentation/tools/rv/common_ikm.rst21
-rw-r--r--Documentation/tools/rv/index.rst24
-rw-r--r--Documentation/tools/rv/rv-list.rst43
-rw-r--r--Documentation/tools/rv/rv-mon-wip.rst44
-rw-r--r--Documentation/tools/rv/rv-mon-wwnr.rst43
-rw-r--r--Documentation/tools/rv/rv-mon.rst55
-rw-r--r--Documentation/tools/rv/rv.rst63
29 files changed, 1284 insertions, 0 deletions
diff --git a/Documentation/tools/index.rst b/Documentation/tools/index.rst
new file mode 100644
index 0000000000..80488e290e
--- /dev/null
+++ b/Documentation/tools/index.rst
@@ -0,0 +1,21 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+Kernel tools
+============
+
+This book covers user-space tools that are shipped with the kernel source;
+more additions are needed here:
+
+.. toctree::
+ :maxdepth: 1
+
+ rtla/index
+ rv/index
+
+.. only:: subproject and html
+
+ Indices
+ =======
+
+ * :ref:`genindex`
diff --git a/Documentation/tools/rtla/Makefile b/Documentation/tools/rtla/Makefile
new file mode 100644
index 0000000000..093af6d7a0
--- /dev/null
+++ b/Documentation/tools/rtla/Makefile
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0-only
+# Based on bpftool's Documentation Makefile
+
+INSTALL ?= install
+RM ?= rm -f
+RMDIR ?= rmdir --ignore-fail-on-non-empty
+
+PREFIX ?= /usr/share
+MANDIR ?= $(PREFIX)/man
+MAN1DIR = $(MANDIR)/man1
+
+MAN1_RST = $(wildcard rtla*.rst)
+
+_DOC_MAN1 = $(patsubst %.rst,%.1,$(MAN1_RST))
+DOC_MAN1 = $(addprefix $(OUTPUT),$(_DOC_MAN1))
+
+RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
+RST2MAN_OPTS += --verbose
+
+TEST_RST2MAN = $(shell sh -c "rst2man --version > /dev/null 2>&1 || echo n")
+
+$(OUTPUT)%.1: %.rst
+ifndef RST2MAN_DEP
+ $(info ********************************************)
+ $(info ** NOTICE: rst2man not found)
+ $(info **)
+ $(info ** Consider installing the latest rst2man from your)
+ $(info ** distribution, e.g., 'dnf install python3-docutils' on Fedora,)
+ $(info ** or from source:)
+ $(info **)
+ $(info ** https://docutils.sourceforge.io/docs/dev/repository.html )
+ $(info **)
+ $(info ********************************************)
+ $(error NOTICE: rst2man required to generate man pages)
+endif
+ rst2man $(RST2MAN_OPTS) $< > $@
+
+man1: $(DOC_MAN1)
+man: man1
+
+clean:
+ $(RM) $(DOC_MAN1)
+
+install: man
+ $(INSTALL) -d -m 755 $(DESTDIR)$(MAN1DIR)
+ $(INSTALL) -m 644 $(DOC_MAN1) $(DESTDIR)$(MAN1DIR)
+
+uninstall:
+ $(RM) $(addprefix $(DESTDIR)$(MAN1DIR)/,$(_DOC_MAN1))
+ $(RMDIR) $(DESTDIR)$(MAN1DIR)
+
+.PHONY: man man1 clean install uninstall
+.DEFAULT_GOAL := man
diff --git a/Documentation/tools/rtla/common_appendix.rst b/Documentation/tools/rtla/common_appendix.rst
new file mode 100644
index 0000000000..b5cf2dc223
--- /dev/null
+++ b/Documentation/tools/rtla/common_appendix.rst
@@ -0,0 +1,13 @@
+REPORTING BUGS
+==============
+Report bugs to <linux-kernel@vger.kernel.org>
+and <linux-trace-devel@vger.kernel.org>
+
+LICENSE
+=======
+**rtla** is Free Software licensed under the GNU GPLv2
+
+COPYING
+=======
+Copyright \(C) 2021 Red Hat, Inc. Free use of this software is granted under
+the terms of the GNU Public License (GPL).
diff --git a/Documentation/tools/rtla/common_hist_options.rst b/Documentation/tools/rtla/common_hist_options.rst
new file mode 100644
index 0000000000..df53ff835b
--- /dev/null
+++ b/Documentation/tools/rtla/common_hist_options.rst
@@ -0,0 +1,23 @@
+**-b**, **--bucket-size** *N*
+
+ Set the histogram bucket size (default *1*).
+
+**-E**, **--entries** *N*
+
+ Set the number of entries of the histogram (default 256).
+
+**--no-header**
+
+ Do not print header.
+
+**--no-summary**
+
+ Do not print summary.
+
+**--no-index**
+
+ Do not print index.
+
+**--with-zeros**
+
+ Print zero only entries.
diff --git a/Documentation/tools/rtla/common_options.rst b/Documentation/tools/rtla/common_options.rst
new file mode 100644
index 0000000000..aeb91ff3bd
--- /dev/null
+++ b/Documentation/tools/rtla/common_options.rst
@@ -0,0 +1,55 @@
+**-c**, **--cpus** *cpu-list*
+
+ Set the osnoise tracer to run the sample threads in the cpu-list.
+
+**-H**, **--house-keeping** *cpu-list*
+
+ Run rtla control threads only on the given cpu-list.
+
+**-d**, **--duration** *time[s|m|h|d]*
+
+ Set the duration of the session.
+
+**-D**, **--debug**
+
+ Print debug info.
+
+**-t**, **--trace**\[*=file*]
+
+ Save the stopped trace to [*file|osnoise_trace.txt*].
+
+**-e**, **--event** *sys:event*
+
+ Enable an event in the trace (**-t**) session. The argument can be a specific event, e.g., **-e** *sched:sched_switch*, or all events of a system group, e.g., **-e** *sched*. Multiple **-e** are allowed. It is only active when **-t** or **-a** are set.
+
+**--filter** *<filter>*
+
+ Filter the previous **-e** *sys:event* event with *<filter>*. For further information about event filtering see https://www.kernel.org/doc/html/latest/trace/events.html#event-filtering.
+
+**--trigger** *<trigger>*
+ Enable a trace event trigger to the previous **-e** *sys:event*.
+ If the *hist:* trigger is activated, the output histogram will be automatically saved to a file named *system_event_hist.txt*.
+ For example, the command:
+
+ rtla <command> <mode> -t -e osnoise:irq_noise --trigger="hist:key=desc,duration/1000:sort=desc,duration/1000:vals=hitcount"
+
+ Will automatically save the content of the histogram associated to *osnoise:irq_noise* event in *osnoise_irq_noise_hist.txt*.
+
+ For further information about event trigger see https://www.kernel.org/doc/html/latest/trace/events.html#event-triggers.
+
+**-P**, **--priority** *o:prio|r:prio|f:prio|d:runtime:period*
+
+ Set scheduling parameters to the osnoise tracer threads, the format to set the priority are:
+
+ - *o:prio* - use SCHED_OTHER with *prio*;
+ - *r:prio* - use SCHED_RR with *prio*;
+ - *f:prio* - use SCHED_FIFO with *prio*;
+ - *d:runtime[us|ms|s]:period[us|ms|s]* - use SCHED_DEADLINE with *runtime* and *period* in nanoseconds.
+
+**-C**, **--cgroup**\[*=cgroup*]
+
+ Set a *cgroup* to the tracer's threads. If the **-C** option is passed without arguments, the tracer's thread will inherit **rtla**'s *cgroup*. Otherwise, the threads will be placed on the *cgroup* passed to the option.
+
+**-h**, **--help**
+
+ Print help menu.
diff --git a/Documentation/tools/rtla/common_osnoise_description.rst b/Documentation/tools/rtla/common_osnoise_description.rst
new file mode 100644
index 0000000000..d5d61615b9
--- /dev/null
+++ b/Documentation/tools/rtla/common_osnoise_description.rst
@@ -0,0 +1,8 @@
+The **rtla osnoise** tool is an interface for the *osnoise* tracer. The
+*osnoise* tracer dispatches a kernel thread per-cpu. These threads read the
+time in a loop while with preemption, softirq and IRQs enabled, thus
+allowing all the sources of operating system noise during its execution.
+The *osnoise*'s tracer threads take note of the delta between each time
+read, along with an interference counter of all sources of interference.
+At the end of each period, the *osnoise* tracer displays a summary of
+the results.
diff --git a/Documentation/tools/rtla/common_osnoise_options.rst b/Documentation/tools/rtla/common_osnoise_options.rst
new file mode 100644
index 0000000000..f792ca58c2
--- /dev/null
+++ b/Documentation/tools/rtla/common_osnoise_options.rst
@@ -0,0 +1,27 @@
+**-a**, **--auto** *us*
+
+ Set the automatic trace mode. This mode sets some commonly used options
+ while debugging the system. It is equivalent to use **-s** *us* **-T 1 -t**.
+
+**-p**, **--period** *us*
+
+ Set the *osnoise* tracer period in microseconds.
+
+**-r**, **--runtime** *us*
+
+ Set the *osnoise* tracer runtime in microseconds.
+
+**-s**, **--stop** *us*
+
+ Stop the trace if a single sample is higher than the argument in microseconds.
+ If **-T** is set, it will also save the trace to the output.
+
+**-S**, **--stop-total** *us*
+
+ Stop the trace if the total sample is higher than the argument in microseconds.
+ If **-T** is set, it will also save the trace to the output.
+
+**-T**, **--threshold** *us*
+
+ Specify the minimum delta between two time reads to be considered noise.
+ The default threshold is *5 us*.
diff --git a/Documentation/tools/rtla/common_timerlat_aa.rst b/Documentation/tools/rtla/common_timerlat_aa.rst
new file mode 100644
index 0000000000..077029e6b2
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_aa.rst
@@ -0,0 +1,7 @@
+**--dump-tasks**
+
+ prints the task running on all CPUs if stop conditions are met (depends on !--no-aa)
+
+**--no-aa**
+
+ disable auto-analysis, reducing rtla timerlat cpu usage
diff --git a/Documentation/tools/rtla/common_timerlat_description.rst b/Documentation/tools/rtla/common_timerlat_description.rst
new file mode 100644
index 0000000000..321201cb85
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_description.rst
@@ -0,0 +1,10 @@
+The **rtla timerlat** tool is an interface for the *timerlat* tracer. The
+*timerlat* tracer dispatches a kernel thread per-cpu. These threads
+set a periodic timer to wake themselves up and go back to sleep. After
+the wakeup, they collect and generate useful information for the
+debugging of operating system timer latency.
+
+The *timerlat* tracer outputs information in two ways. It periodically
+prints the timer latency at the timer *IRQ* handler and the *Thread*
+handler. It also enable the trace of the most relevant information via
+**osnoise:** tracepoints.
diff --git a/Documentation/tools/rtla/common_timerlat_options.rst b/Documentation/tools/rtla/common_timerlat_options.rst
new file mode 100644
index 0000000000..88506b397c
--- /dev/null
+++ b/Documentation/tools/rtla/common_timerlat_options.rst
@@ -0,0 +1,35 @@
+**-a**, **--auto** *us*
+
+ Set the automatic trace mode. This mode sets some commonly used options
+ while debugging the system. It is equivalent to use **-T** *us* **-s** *us*
+ **-t**. By default, *timerlat* tracer uses FIFO:95 for *timerlat* threads,
+ thus equilavent to **-P** *f:95*.
+
+**-p**, **--period** *us*
+
+ Set the *timerlat* tracer period in microseconds.
+
+**-i**, **--irq** *us*
+
+ Stop trace if the *IRQ* latency is higher than the argument in us.
+
+**-T**, **--thread** *us*
+
+ Stop trace if the *Thread* latency is higher than the argument in us.
+
+**-s**, **--stack** *us*
+
+ Save the stack trace at the *IRQ* if a *Thread* latency is higher than the
+ argument in us.
+
+**--dma-latency** *us*
+ Set the /dev/cpu_dma_latency to *us*, aiming to bound exit from idle latencies.
+ *cyclictest* sets this value to *0* by default, use **--dma-latency** *0* to have
+ similar results.
+
+**-u**, **--user-threads**
+
+ Set timerlat to run without a workload, and then dispatches user-space workloads
+ to wait on the timerlat_fd. Once the workload is awakes, it goes to sleep again
+ adding so the measurement for the kernel-to-user and user-to-kernel to the tracer
+ output.
diff --git a/Documentation/tools/rtla/common_top_options.rst b/Documentation/tools/rtla/common_top_options.rst
new file mode 100644
index 0000000000..f48878938f
--- /dev/null
+++ b/Documentation/tools/rtla/common_top_options.rst
@@ -0,0 +1,3 @@
+**-q**, **--quiet**
+
+ Print only a summary at the end of the session.
diff --git a/Documentation/tools/rtla/index.rst b/Documentation/tools/rtla/index.rst
new file mode 100644
index 0000000000..05d2652e40
--- /dev/null
+++ b/Documentation/tools/rtla/index.rst
@@ -0,0 +1,27 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+================================
+The realtime Linux analysis tool
+================================
+
+RTLA provides a set of tools for the analysis of the kernel's realtime
+behavior on specific hardware.
+
+.. toctree::
+ :maxdepth: 1
+
+ rtla
+ rtla-osnoise
+ rtla-osnoise-hist
+ rtla-osnoise-top
+ rtla-timerlat
+ rtla-timerlat-hist
+ rtla-timerlat-top
+ rtla-hwnoise
+
+.. only:: subproject and html
+
+ Indices
+ =======
+
+ * :ref:`genindex`
diff --git a/Documentation/tools/rtla/rtla-hwnoise.rst b/Documentation/tools/rtla/rtla-hwnoise.rst
new file mode 100644
index 0000000000..fb1c52bbc0
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-hwnoise.rst
@@ -0,0 +1,107 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+============
+rtla-hwnoise
+============
+------------------------------------------
+Detect and quantify hardware-related noise
+------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rtla hwnoise** [*OPTIONS*]
+
+DESCRIPTION
+===========
+
+**rtla hwnoise** collects the periodic summary from the *osnoise* tracer
+running with *interrupts disabled*. By disabling interrupts, and the scheduling
+of threads as a consequence, only non-maskable interrupts and hardware-related
+noise is allowed.
+
+The tool also allows the configurations of the *osnoise* tracer and the
+collection of the tracer output.
+
+OPTIONS
+=======
+.. include:: common_osnoise_options.rst
+
+.. include:: common_top_options.rst
+
+.. include:: common_options.rst
+
+EXAMPLE
+=======
+In the example below, the **rtla hwnoise** tool is set to run on CPUs *1-7*
+on a system with 8 cores/16 threads with hyper-threading enabled.
+
+The tool is set to detect any noise higher than *one microsecond*,
+to run for *ten minutes*, displaying a summary of the report at the
+end of the session::
+
+ # rtla hwnoise -c 1-7 -T 1 -d 10m -q
+ Hardware-related Noise
+ duration: 0 00:10:00 | time is in us
+ CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NMI
+ 1 #599 599000000 138 99.99997 3 3 4 74
+ 2 #599 599000000 85 99.99998 3 3 4 75
+ 3 #599 599000000 86 99.99998 4 3 6 75
+ 4 #599 599000000 81 99.99998 4 4 2 75
+ 5 #599 599000000 85 99.99998 2 2 2 75
+ 6 #599 599000000 76 99.99998 2 2 0 75
+ 7 #599 599000000 77 99.99998 3 3 0 75
+
+
+The first column shows the *CPU*, and the second column shows how many
+*Periods* the tool ran during the session. The *Runtime* is the time
+the tool effectively runs on the CPU. The *Noise* column is the sum of
+all noise that the tool observed, and the *% CPU Aval* is the relation
+between the *Runtime* and *Noise*.
+
+The *Max Noise* column is the maximum hardware noise the tool detected in a
+single period, and the *Max Single* is the maximum single noise seen.
+
+The *HW* and *NMI* columns show the total number of *hardware* and *NMI* noise
+occurrence observed by the tool.
+
+For example, *CPU 3* ran *599* periods of *1 second Runtime*. The CPU received
+*86 us* of noise during the entire execution, leaving *99.99997 %* of CPU time
+for the application. In the worst single period, the CPU caused *4 us* of
+noise to the application, but it was certainly caused by more than one single
+noise, as the *Max Single* noise was of *3 us*. The CPU has *HW noise,* at a
+rate of *six occurrences*/*ten minutes*. The CPU also has *NMIs*, at a higher
+frequency: around *seven per second*.
+
+The tool should report *0* hardware-related noise in the ideal situation.
+For example, by disabling hyper-threading to remove the hardware noise,
+and disabling the TSC watchdog to remove the NMI (it is possible to identify
+this using tracing options of **rtla hwnoise**), it was possible to reach
+the ideal situation in the same hardware::
+
+ # rtla hwnoise -c 1-7 -T 1 -d 10m -q
+ Hardware-related Noise
+ duration: 0 00:10:00 | time is in us
+ CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NMI
+ 1 #599 599000000 0 100.00000 0 0 0 0
+ 2 #599 599000000 0 100.00000 0 0 0 0
+ 3 #599 599000000 0 100.00000 0 0 0 0
+ 4 #599 599000000 0 100.00000 0 0 0 0
+ 5 #599 599000000 0 100.00000 0 0 0 0
+ 6 #599 599000000 0 100.00000 0 0 0 0
+ 7 #599 599000000 0 100.00000 0 0 0 0
+
+SEE ALSO
+========
+
+**rtla-osnoise**\(1)
+
+Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla-osnoise-hist.rst b/Documentation/tools/rtla/rtla-osnoise-hist.rst
new file mode 100644
index 0000000000..f2e79d22c4
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-osnoise-hist.rst
@@ -0,0 +1,66 @@
+===================
+rtla-osnoise-hist
+===================
+------------------------------------------------------
+Display a histogram of the osnoise tracer samples
+------------------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla osnoise hist** [*OPTIONS*]
+
+DESCRIPTION
+===========
+.. include:: common_osnoise_description.rst
+
+The **rtla osnoise hist** tool collects all **osnoise:sample_threshold**
+occurrence in a histogram, displaying the results in a user-friendly way.
+The tool also allows many configurations of the *osnoise* tracer and the
+collection of the tracer output.
+
+OPTIONS
+=======
+.. include:: common_osnoise_options.rst
+
+.. include:: common_hist_options.rst
+
+.. include:: common_options.rst
+
+EXAMPLE
+=======
+In the example below, *osnoise* tracer threads are set to run with real-time
+priority *FIFO:1*, on CPUs *0-11*, for *900ms* at each period (*1s* by
+default). The reason for reducing the runtime is to avoid starving the
+**rtla** tool. The tool is also set to run for *one minute*. The output
+histogram is set to group outputs in buckets of *10us* and *25* entries::
+
+ [root@f34 ~/]# rtla osnoise hist -P F:1 -c 0-11 -r 900000 -d 1M -b 10 -E 25
+ # RTLA osnoise histogram
+ # Time unit is microseconds (us)
+ # Duration: 0 00:01:00
+ Index CPU-000 CPU-001 CPU-002 CPU-003 CPU-004 CPU-005 CPU-006 CPU-007 CPU-008 CPU-009 CPU-010 CPU-011
+ 0 42982 46287 51779 53740 52024 44817 49898 36500 50408 50128 49523 52377
+ 10 12224 8356 2912 878 2667 10155 4573 18894 4214 4836 5708 2413
+ 20 8 5 12 2 13 24 20 41 29 53 39 39
+ 30 1 1 0 0 10 3 6 19 15 31 30 38
+ 40 0 0 0 0 0 4 2 7 2 3 8 11
+ 50 0 0 0 0 0 0 0 0 0 1 1 2
+ over: 0 0 0 0 0 0 0 0 0 0 0 0
+ count: 55215 54649 54703 54620 54714 55003 54499 55461 54668 55052 55309 54880
+ min: 0 0 0 0 0 0 0 0 0 0 0 0
+ avg: 0 0 0 0 0 0 0 0 0 0 0 0
+ max: 30 30 20 20 30 40 40 40 40 50 50 50
+
+SEE ALSO
+========
+**rtla-osnoise**\(1), **rtla-osnoise-top**\(1)
+
+*osnoise* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla-osnoise-top.rst b/Documentation/tools/rtla/rtla-osnoise-top.rst
new file mode 100644
index 0000000000..5d75d13945
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-osnoise-top.rst
@@ -0,0 +1,61 @@
+===================
+rtla-osnoise-top
+===================
+-----------------------------------------------
+Display a summary of the operating system noise
+-----------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla osnoise top** [*OPTIONS*]
+
+DESCRIPTION
+===========
+.. include:: common_osnoise_description.rst
+
+**rtla osnoise top** collects the periodic summary from the *osnoise* tracer,
+including the counters of the occurrence of the interference source,
+displaying the results in a user-friendly format.
+
+The tool also allows many configurations of the *osnoise* tracer and the
+collection of the tracer output.
+
+OPTIONS
+=======
+.. include:: common_osnoise_options.rst
+
+.. include:: common_top_options.rst
+
+.. include:: common_options.rst
+
+EXAMPLE
+=======
+In the example below, the **rtla osnoise top** tool is set to run with a
+real-time priority *FIFO:1*, on CPUs *0-3*, for *900ms* at each period
+(*1s* by default). The reason for reducing the runtime is to avoid starving
+the rtla tool. The tool is also set to run for *one minute* and to display
+a summary of the report at the end of the session::
+
+ [root@f34 ~]# rtla osnoise top -P F:1 -c 0-3 -r 900000 -d 1M -q
+ Operating System Noise
+ duration: 0 00:01:00 | time is in us
+ CPU Period Runtime Noise % CPU Aval Max Noise Max Single HW NMI IRQ Softirq Thread
+ 0 #59 53100000 304896 99.42580 6978 56 549 0 53111 1590 13
+ 1 #59 53100000 338339 99.36282 8092 24 399 0 53130 1448 31
+ 2 #59 53100000 290842 99.45227 6582 39 855 0 53110 1406 12
+ 3 #59 53100000 204935 99.61405 6251 33 290 0 53156 1460 12
+
+SEE ALSO
+========
+
+**rtla-osnoise**\(1), **rtla-osnoise-hist**\(1)
+
+Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla-osnoise.rst b/Documentation/tools/rtla/rtla-osnoise.rst
new file mode 100644
index 0000000000..c129b206ce
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-osnoise.rst
@@ -0,0 +1,59 @@
+===============
+rtla-osnoise
+===============
+------------------------------------------------------------------
+Measure the operating system noise
+------------------------------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla osnoise** [*MODE*] ...
+
+DESCRIPTION
+===========
+
+.. include:: common_osnoise_description.rst
+
+The *osnoise* tracer outputs information in two ways. It periodically prints
+a summary of the noise of the operating system, including the counters of
+the occurrence of the source of interference. It also provides information
+for each noise via the **osnoise:** tracepoints. The **rtla osnoise top**
+mode displays information about the periodic summary from the *osnoise* tracer.
+The **rtla osnoise hist** mode displays information about the noise using
+the **osnoise:** tracepoints. For further details, please refer to the
+respective man page.
+
+MODES
+=====
+**top**
+
+ Prints the summary from osnoise tracer.
+
+**hist**
+
+ Prints a histogram of osnoise samples.
+
+If no MODE is given, the top mode is called, passing the arguments.
+
+OPTIONS
+=======
+
+**-h**, **--help**
+
+ Display the help text.
+
+For other options, see the man page for the corresponding mode.
+
+SEE ALSO
+========
+**rtla-osnoise-top**\(1), **rtla-osnoise-hist**\(1)
+
+Osnoise tracer documentation: <https://www.kernel.org/doc/html/latest/trace/osnoise-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla-timerlat-hist.rst b/Documentation/tools/rtla/rtla-timerlat-hist.rst
new file mode 100644
index 0000000000..03b7f3deb0
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-timerlat-hist.rst
@@ -0,0 +1,109 @@
+=====================
+rtla-timerlat-hist
+=====================
+------------------------------------------------
+Histograms of the operating system timer latency
+------------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla timerlat hist** [*OPTIONS*] ...
+
+DESCRIPTION
+===========
+
+.. include:: common_timerlat_description.rst
+
+The **rtla timerlat hist** displays a histogram of each tracer event
+occurrence. This tool uses the periodic information, and the
+**osnoise:** tracepoints are enabled when using the **-T** option.
+
+OPTIONS
+=======
+
+.. include:: common_timerlat_options.rst
+
+.. include:: common_hist_options.rst
+
+.. include:: common_options.rst
+
+.. include:: common_timerlat_aa.rst
+
+EXAMPLE
+=======
+In the example below, **rtla timerlat hist** is set to run for *10* minutes,
+in the cpus *0-4*, *skipping zero* only lines. Moreover, **rtla timerlat
+hist** will change the priority of the *timerlat* threads to run under
+*SCHED_DEADLINE* priority, with a *100us* runtime every *1ms* period. The
+*1ms* period is also passed to the *timerlat* tracer. Auto-analysis is disabled
+to reduce overhead ::
+
+ [root@alien ~]# timerlat hist -d 10m -c 0-4 -P d:100us:1ms -p 1000 --no-aa
+ # RTLA timerlat histogram
+ # Time unit is microseconds (us)
+ # Duration: 0 00:10:00
+ Index IRQ-000 Thr-000 IRQ-001 Thr-001 IRQ-002 Thr-002 IRQ-003 Thr-003 IRQ-004 Thr-004
+ 0 276489 0 206089 0 466018 0 481102 0 205546 0
+ 1 318327 35487 388149 30024 94531 48382 83082 71078 388026 55730
+ 2 3282 122584 4019 126527 28231 109012 23311 89309 4568 98739
+ 3 940 11815 837 9863 6209 16227 6895 17196 910 9780
+ 4 444 17287 424 11574 2097 38443 2169 36736 462 13476
+ 5 206 43291 255 25581 1223 101908 1304 101137 236 28913
+ 6 132 101501 96 64584 635 213774 757 215471 99 73453
+ 7 74 169347 65 124758 350 57466 441 53639 69 148573
+ 8 53 85183 31 156751 229 9052 306 9026 39 139907
+ 9 22 10387 12 42762 161 2554 225 2689 19 26192
+ 10 13 1898 8 5770 114 1247 128 1405 13 3772
+ 11 9 560 9 924 71 686 76 765 8 713
+ 12 4 256 2 360 50 411 64 474 3 278
+ 13 2 167 2 172 43 256 53 350 4 180
+ 14 1 88 1 116 15 198 42 223 0 115
+ 15 2 63 3 94 11 139 20 150 0 58
+ 16 2 37 0 56 5 78 10 102 0 39
+ 17 0 18 0 28 4 57 8 80 0 15
+ 18 0 8 0 17 2 50 6 56 0 12
+ 19 0 9 0 5 0 19 0 48 0 18
+ 20 0 4 0 8 0 11 2 27 0 4
+ 21 0 2 0 3 1 9 1 18 0 6
+ 22 0 1 0 3 1 7 0 3 0 5
+ 23 0 2 0 4 0 2 0 7 0 2
+ 24 0 2 0 2 1 3 0 3 0 5
+ 25 0 0 0 1 0 1 0 1 0 3
+ 26 0 1 0 0 0 2 0 2 0 0
+ 27 0 0 0 3 0 1 0 0 0 1
+ 28 0 0 0 3 0 0 0 1 0 0
+ 29 0 0 0 2 0 2 0 1 0 3
+ 30 0 1 0 0 0 0 0 0 0 0
+ 31 0 1 0 0 0 0 0 2 0 2
+ 32 0 0 0 1 0 2 0 0 0 0
+ 33 0 0 0 2 0 0 0 0 0 1
+ 34 0 0 0 0 0 0 0 0 0 2
+ 35 0 1 0 1 0 0 0 0 0 1
+ 36 0 1 0 0 0 1 0 1 0 0
+ 37 0 0 0 1 0 0 0 0 0 0
+ 40 0 0 0 0 0 1 0 1 0 0
+ 41 0 0 0 0 0 0 0 0 0 1
+ 42 0 0 0 0 0 0 0 0 0 1
+ 44 0 0 0 0 0 1 0 0 0 0
+ 46 0 0 0 0 0 0 0 1 0 0
+ 47 0 0 0 0 0 0 0 0 0 1
+ 50 0 0 0 0 0 0 0 0 0 1
+ 54 0 0 0 1 0 0 0 0 0 0
+ 58 0 0 0 1 0 0 0 0 0 0
+ over: 0 0 0 0 0 0 0 0 0 0
+ count: 600002 600002 600002 600002 600002 600002 600002 600002 600002 600002
+ min: 0 1 0 1 0 1 0 1 0 1
+ avg: 0 5 0 5 0 4 0 4 0 5
+ max: 16 36 15 58 24 44 21 46 13 50
+
+SEE ALSO
+========
+**rtla-timerlat**\(1), **rtla-timerlat-top**\(1)
+
+*timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
diff --git a/Documentation/tools/rtla/rtla-timerlat-top.rst b/Documentation/tools/rtla/rtla-timerlat-top.rst
new file mode 100644
index 0000000000..ab6cb60c90
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-timerlat-top.rst
@@ -0,0 +1,134 @@
+====================
+rtla-timerlat-top
+====================
+-------------------------------------------
+Measures the operating system timer latency
+-------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla timerlat top** [*OPTIONS*] ...
+
+DESCRIPTION
+===========
+
+.. include:: common_timerlat_description.rst
+
+The **rtla timerlat top** displays a summary of the periodic output
+from the *timerlat* tracer. It also provides information for each
+operating system noise via the **osnoise:** tracepoints that can be
+seem with the option **-T**.
+
+OPTIONS
+=======
+
+.. include:: common_timerlat_options.rst
+
+.. include:: common_top_options.rst
+
+.. include:: common_options.rst
+
+.. include:: common_timerlat_aa.rst
+
+**--aa-only** *us*
+
+ Set stop tracing conditions and run without collecting and displaying statistics.
+ Print the auto-analysis if the system hits the stop tracing condition. This option
+ is useful to reduce rtla timerlat CPU, enabling the debug without the overhead of
+ collecting the statistics.
+
+EXAMPLE
+=======
+
+In the example below, the timerlat tracer is dispatched in cpus *1-23* in the
+automatic trace mode, instructing the tracer to stop if a *40 us* latency or
+higher is found::
+
+ # timerlat -a 40 -c 1-23 -q
+ Timer Latency
+ 0 00:00:12 | IRQ Timer Latency (us) | Thread Timer Latency (us)
+ CPU COUNT | cur min avg max | cur min avg max
+ 1 #12322 | 0 0 1 15 | 10 3 9 31
+ 2 #12322 | 3 0 1 12 | 10 3 9 23
+ 3 #12322 | 1 0 1 21 | 8 2 8 34
+ 4 #12322 | 1 0 1 17 | 10 2 11 33
+ 5 #12322 | 0 0 1 12 | 8 3 8 25
+ 6 #12322 | 1 0 1 14 | 16 3 11 35
+ 7 #12322 | 0 0 1 14 | 9 2 8 29
+ 8 #12322 | 1 0 1 22 | 9 3 9 34
+ 9 #12322 | 0 0 1 14 | 8 2 8 24
+ 10 #12322 | 1 0 0 12 | 9 3 8 24
+ 11 #12322 | 0 0 0 15 | 6 2 7 29
+ 12 #12321 | 1 0 0 13 | 5 3 8 23
+ 13 #12319 | 0 0 1 14 | 9 3 9 26
+ 14 #12321 | 1 0 0 13 | 6 2 8 24
+ 15 #12321 | 1 0 1 15 | 12 3 11 27
+ 16 #12318 | 0 0 1 13 | 7 3 10 24
+ 17 #12319 | 0 0 1 13 | 11 3 9 25
+ 18 #12318 | 0 0 0 12 | 8 2 8 20
+ 19 #12319 | 0 0 1 18 | 10 2 9 28
+ 20 #12317 | 0 0 0 20 | 9 3 8 34
+ 21 #12318 | 0 0 0 13 | 8 3 8 28
+ 22 #12319 | 0 0 1 11 | 8 3 10 22
+ 23 #12320 | 28 0 1 28 | 41 3 11 41
+ rtla timerlat hit stop tracing
+ ## CPU 23 hit stop tracing, analyzing it ##
+ IRQ handler delay: 27.49 us (65.52 %)
+ IRQ latency: 28.13 us
+ Timerlat IRQ duration: 9.59 us (22.85 %)
+ Blocking thread: 3.79 us (9.03 %)
+ objtool:49256 3.79 us
+ Blocking thread stacktrace
+ -> timerlat_irq
+ -> __hrtimer_run_queues
+ -> hrtimer_interrupt
+ -> __sysvec_apic_timer_interrupt
+ -> sysvec_apic_timer_interrupt
+ -> asm_sysvec_apic_timer_interrupt
+ -> _raw_spin_unlock_irqrestore
+ -> cgroup_rstat_flush_locked
+ -> cgroup_rstat_flush_irqsafe
+ -> mem_cgroup_flush_stats
+ -> mem_cgroup_wb_stats
+ -> balance_dirty_pages
+ -> balance_dirty_pages_ratelimited_flags
+ -> btrfs_buffered_write
+ -> btrfs_do_write_iter
+ -> vfs_write
+ -> __x64_sys_pwrite64
+ -> do_syscall_64
+ -> entry_SYSCALL_64_after_hwframe
+ ------------------------------------------------------------------------
+ Thread latency: 41.96 us (100%)
+
+ The system has exit from idle latency!
+ Max timerlat IRQ latency from idle: 17.48 us in cpu 4
+ Saving trace to timerlat_trace.txt
+
+In this case, the major factor was the delay suffered by the *IRQ handler*
+that handles **timerlat** wakeup: *65.52%*. This can be caused by the
+current thread masking interrupts, which can be seen in the blocking
+thread stacktrace: the current thread (*objtool:49256*) disabled interrupts
+via *raw spin lock* operations inside mem cgroup, while doing write
+syscall in a btrfs file system.
+
+The raw trace is saved in the **timerlat_trace.txt** file for further analysis.
+
+Note that **rtla timerlat** was dispatched without changing *timerlat* tracer
+threads' priority. That is generally not needed because these threads have
+priority *FIFO:95* by default, which is a common priority used by real-time
+kernel developers to analyze scheduling delays.
+
+SEE ALSO
+--------
+**rtla-timerlat**\(1), **rtla-timerlat-hist**\(1)
+
+*timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
+
+AUTHOR
+------
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla-timerlat.rst b/Documentation/tools/rtla/rtla-timerlat.rst
new file mode 100644
index 0000000000..44a49e6f30
--- /dev/null
+++ b/Documentation/tools/rtla/rtla-timerlat.rst
@@ -0,0 +1,57 @@
+================
+rtla-timerlat
+================
+-------------------------------------------
+Measures the operating system timer latency
+-------------------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla timerlat** [*MODE*] ...
+
+DESCRIPTION
+===========
+
+.. include:: common_timerlat_description.rst
+
+The *timerlat* tracer outputs information in two ways. It periodically
+prints the timer latency at the timer *IRQ* handler and the *Thread* handler.
+It also provides information for each noise via the **osnoise:** tracepoints.
+The **rtla timerlat top** mode displays a summary of the periodic output
+from the *timerlat* tracer. The **rtla hist hist** mode displays a histogram
+of each tracer event occurrence. For further details, please refer to the
+respective man page.
+
+MODES
+=====
+**top**
+
+ Prints the summary from *timerlat* tracer.
+
+**hist**
+
+ Prints a histogram of timerlat samples.
+
+If no *MODE* is given, the top mode is called, passing the arguments.
+
+OPTIONS
+=======
+**-h**, **--help**
+
+ Display the help text.
+
+For other options, see the man page for the corresponding mode.
+
+SEE ALSO
+========
+**rtla-timerlat-top**\(1), **rtla-timerlat-hist**\(1)
+
+*timerlat* tracer documentation: <https://www.kernel.org/doc/html/latest/trace/timerlat-tracer.html>
+
+AUTHOR
+======
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rtla/rtla.rst b/Documentation/tools/rtla/rtla.rst
new file mode 100644
index 0000000000..fc0d233efc
--- /dev/null
+++ b/Documentation/tools/rtla/rtla.rst
@@ -0,0 +1,48 @@
+=========
+rtla
+=========
+--------------------------------
+Real-time Linux Analysis tool
+--------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+**rtla** *COMMAND* [*OPTIONS*]
+
+DESCRIPTION
+===========
+The **rtla** is a meta-tool that includes a set of commands that aims to
+analyze the real-time properties of Linux. But instead of testing Linux
+as a black box, **rtla** leverages kernel tracing capabilities to provide
+precise information about the properties and root causes of unexpected
+results.
+
+COMMANDS
+========
+**osnoise**
+
+ Gives information about the operating system noise (osnoise).
+
+**timerlat**
+
+ Measures the IRQ and thread timer latency.
+
+OPTIONS
+=======
+**-h**, **--help**
+
+ Display the help text.
+
+For other options, see the man page for the corresponding command.
+
+SEE ALSO
+========
+**rtla-osnoise**\(1), **rtla-timerlat**\(1)
+
+AUTHOR
+======
+Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rv/Makefile b/Documentation/tools/rv/Makefile
new file mode 100644
index 0000000000..ec8713c1b3
--- /dev/null
+++ b/Documentation/tools/rv/Makefile
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+INSTALL ?= install
+RM ?= rm -f
+RMDIR ?= rmdir --ignore-fail-on-non-empty
+
+PREFIX ?= /usr/share
+MANDIR ?= $(PREFIX)/man
+MAN1DIR = $(MANDIR)/man1
+
+MAN1_RST = $(wildcard rv*.rst)
+
+_DOC_MAN1 = $(patsubst %.rst,%.1,$(MAN1_RST))
+DOC_MAN1 = $(addprefix $(OUTPUT),$(_DOC_MAN1))
+
+RST2MAN_DEP := $(shell command -v rst2man 2>/dev/null)
+RST2MAN_OPTS += --verbose
+
+TEST_RST2MAN = $(shell sh -c "rst2man --version > /dev/null 2>&1 || echo n")
+
+$(OUTPUT)%.1: %.rst
+ifndef RST2MAN_DEP
+ $(info ********************************************)
+ $(info ** NOTICE: rst2man not found)
+ $(info **)
+ $(info ** Consider installing the latest rst2man from your)
+ $(info ** distribution, e.g., 'dnf install python3-docutils' on Fedora,)
+ $(info ** or from source:)
+ $(info **)
+ $(info ** https://docutils.sourceforge.io/docs/dev/repository.html )
+ $(info **)
+ $(info ********************************************)
+ $(error NOTICE: rst2man required to generate man pages)
+endif
+ rst2man $(RST2MAN_OPTS) $< > $@
+
+man1: $(DOC_MAN1)
+man: man1
+
+clean:
+ $(RM) $(DOC_MAN1)
+
+install: man
+ $(INSTALL) -d -m 755 $(DESTDIR)$(MAN1DIR)
+ $(INSTALL) -m 644 $(DOC_MAN1) $(DESTDIR)$(MAN1DIR)
+
+uninstall:
+ $(RM) $(addprefix $(DESTDIR)$(MAN1DIR)/,$(_DOC_MAN1))
+ $(RMDIR) $(DESTDIR)$(MAN1DIR)
+
+.PHONY: man man1 clean install uninstall
+.DEFAULT_GOAL := man
diff --git a/Documentation/tools/rv/common_appendix.rst b/Documentation/tools/rv/common_appendix.rst
new file mode 100644
index 0000000000..f4239192be
--- /dev/null
+++ b/Documentation/tools/rv/common_appendix.rst
@@ -0,0 +1,16 @@
+REPORTING BUGS
+==============
+
+Report bugs to <linux-kernel@vger.kernel.org>
+and <linux-trace-devel@vger.kernel.org>
+
+LICENSE
+=======
+
+**rv** is Free Software licensed under the GNU GPLv2
+
+COPYING
+=======
+
+Copyright \(C) 2022 Red Hat, Inc. Free use of this software is granted under
+the terms of the GNU Public License (GPL).
diff --git a/Documentation/tools/rv/common_ikm.rst b/Documentation/tools/rv/common_ikm.rst
new file mode 100644
index 0000000000..e50a5f8a71
--- /dev/null
+++ b/Documentation/tools/rv/common_ikm.rst
@@ -0,0 +1,21 @@
+**-h**, **--help**
+
+ Print the monitor's options and the available reactors list.
+
+**-r**, **--reactor** *reactor*
+
+ Enables the *reactor*. See **-h** for a list of available reactors.
+
+**-s**, **--self**
+
+ When tracing (**-t**), also print the events that happened during the **rv**
+ command itself. If the **rv** command itself generates too many events,
+ the tool might get busy processing its own events only.
+
+**-t**, **--trace**
+
+ Trace monitor's events and error.
+
+**-v**, **--verbose**
+
+ Print debug messages.
diff --git a/Documentation/tools/rv/index.rst b/Documentation/tools/rv/index.rst
new file mode 100644
index 0000000000..8fd16d91d6
--- /dev/null
+++ b/Documentation/tools/rv/index.rst
@@ -0,0 +1,24 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==============================
+Runtime verification (rv) tool
+==============================
+
+**rv** tool provides the interface for a collection of runtime verification
+(rv) monitors.
+
+.. toctree::
+ :maxdepth: 1
+
+ rv
+ rv-list
+ rv-mon
+ rv-mon-wip
+ rv-mon-wwnr
+
+.. only:: subproject and html
+
+ Indices
+ =======
+
+ * :ref:`genindex`
diff --git a/Documentation/tools/rv/rv-list.rst b/Documentation/tools/rv/rv-list.rst
new file mode 100644
index 0000000000..51e4608f9e
--- /dev/null
+++ b/Documentation/tools/rv/rv-list.rst
@@ -0,0 +1,43 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======
+rv-list
+=======
+-----------------------
+List available monitors
+-----------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rv list** [*OPTIONS*]
+
+DESCRIPTION
+===========
+
+The **rv list** command prints all available monitors. These monitors
+can be enabled using the **rv mon** command.
+
+OPTIONS
+=======
+
+**-h**, **--help**
+
+ Print help menu.
+
+SEE ALSO
+========
+
+**rv**\(1), **rv-mon**\(1)
+
+Linux kernel *RV* documentation:
+<https://www.kernel.org/doc/html/latest/trace/rv/index.html>
+
+AUTHOR
+======
+
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rv/rv-mon-wip.rst b/Documentation/tools/rv/rv-mon-wip.rst
new file mode 100644
index 0000000000..2d42104d63
--- /dev/null
+++ b/Documentation/tools/rv/rv-mon-wip.rst
@@ -0,0 +1,44 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+==========
+rv-mon-wip
+==========
+----------------------------
+Wakeup In Preemptive monitor
+----------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rv mon wip** [*OPTIONS*]
+
+DESCRIPTION
+===========
+
+The wakeup in preemptive (**wip**) monitor is a sample per-cpu monitor that
+checks if the wakeup events always take place with preemption disabled.
+
+See kernel documentation for further information about this monitor:
+<https://docs.kernel.org/trace/rv/monitor_wip.html>
+
+OPTIONS
+=======
+
+.. include:: common_ikm.rst
+
+SEE ALSO
+========
+
+**rv**\(1), **rv-mon**\(1)
+
+Linux kernel *RV* documentation:
+<https://www.kernel.org/doc/html/latest/trace/rv/index.html>
+
+AUTHOR
+======
+
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rv/rv-mon-wwnr.rst b/Documentation/tools/rv/rv-mon-wwnr.rst
new file mode 100644
index 0000000000..a18f3fd54a
--- /dev/null
+++ b/Documentation/tools/rv/rv-mon-wwnr.rst
@@ -0,0 +1,43 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+===========
+rv-mon-wwnr
+===========
+--------------------------------
+Wakeup While Not Running monitor
+--------------------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rv mon wip** [*OPTIONS*]
+
+DESCRIPTION
+===========
+
+The wakeup while not running (**wwnr**) is a per-task sample monitor.
+
+See kernel documentation for further information about this monitor:
+<https://docs.kernel.org/trace/rv/monitor_wwnr.html>
+
+OPTIONS
+=======
+
+.. include:: common_ikm.rst
+
+SEE ALSO
+========
+
+**rv**\(1), **rv-mon**\(1)
+
+Linux kernel *RV* documentation:
+<https://www.kernel.org/doc/html/latest/trace/rv/index.html>
+
+AUTHOR
+======
+
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rv/rv-mon.rst b/Documentation/tools/rv/rv-mon.rst
new file mode 100644
index 0000000000..af0f329a7c
--- /dev/null
+++ b/Documentation/tools/rv/rv-mon.rst
@@ -0,0 +1,55 @@
+.. SPDX-License-Identifier: GPL-2.0
+
+=======
+rv-list
+=======
+-----------------------
+List available monitors
+-----------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rv mon** [*-h*] **monitor_name** [*-h*] [*MONITOR OPTIONS*]
+
+DESCRIPTION
+===========
+
+The **rv mon** command runs the monitor named *monitor_name*. Each monitor
+has its own set of options. The **rv list** command shows all available
+monitors.
+
+OPTIONS
+=======
+
+**-h**, **--help**
+
+ Print help menu.
+
+AVAILABLE MONITORS
+==================
+
+The **rv** tool provides the interface for a set of monitors. Use the
+**rv list** command to list all available monitors.
+
+Each monitor has its own set of options. See man **rv-mon**-*monitor_name*
+for details about each specific monitor. Also, running **rv mon**
+**monitor_name** **-h** display the help menu with the available
+options.
+
+SEE ALSO
+========
+
+**rv**\(1), **rv-mon**\(1)
+
+Linux kernel *RV* documentation:
+<https://www.kernel.org/doc/html/latest/trace/rv/index.html>
+
+AUTHOR
+======
+
+Written by Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst
diff --git a/Documentation/tools/rv/rv.rst b/Documentation/tools/rv/rv.rst
new file mode 100644
index 0000000000..cee93dc21a
--- /dev/null
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+.. SPDX-License-Identifier: GPL-2.0
+
+==
+rv
+==
+--------------------
+Runtime Verification
+--------------------
+
+:Manual section: 1
+
+SYNOPSIS
+========
+
+**rv** *COMMAND* [*OPTIONS*]
+
+DESCRIPTION
+===========
+
+Runtime Verification (**RV**) is a lightweight (yet rigorous) method
+for formal verification with a practical approach for complex systems.
+Instead of relying on a fine-grained model of a system (e.g., a
+re-implementation a instruction level), RV works by analyzing the trace
+of the system's actual execution, comparing it against a formal
+specification of the system behavior.
+
+The **rv** tool provides the interface for a collection of runtime
+verification (rv) monitors.
+
+COMMANDS
+========
+
+**list**
+
+ List all available monitors.
+
+**mon**
+
+ Run monitor.
+
+OPTIONS
+=======
+
+**-h**, **--help**
+
+ Display the help text.
+
+For other options, see the man page for the corresponding command.
+
+SEE ALSO
+========
+
+**rv-list**\(1), **rv-mon**\(1)
+
+Linux kernel *RV* documentation:
+<https://www.kernel.org/doc/html/latest/trace/rv/index.html>
+
+AUTHOR
+======
+
+Daniel Bristot de Oliveira <bristot@kernel.org>
+
+.. include:: common_appendix.rst