tools/rv: Add dot2k

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>

1 files changed, 91 insertions, 0 deletions

diff --git a/tools/verification/dot2/dot2k_templates/main_global.c b/tools/verification/dot2/dot2k_templates/main_global.c
new file mode 100644
index 000000000000..f4b712dbc92e
--- /dev/null
+++ b/tools/verification/dot2/dot2k_templates/main_global.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/ftrace.h>
+#include <linux/tracepoint.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/rv.h>
+#include <rv/instrumentation.h>
+#include <rv/da_monitor.h>
+
+#define MODULE_NAME "MODEL_NAME"
+
+/*
+ * XXX: include required tracepoint headers, e.g.,
+ * #include <trace/events/sched.h>
+ */
+#include <trace/events/rv.h>
+
+/*
+ * This is the self-generated part of the monitor. Generally, there is no need
+ * to touch this section.
+ */
+#include "MODEL_NAME.h"
+
+/*
+ * Declare the deterministic automata monitor.
+ *
+ * The rv monitor reference is needed for the monitor declaration.
+ */
+struct rv_monitor rv_MODEL_NAME;
+DECLARE_DA_MON_GLOBAL(MODEL_NAME, MIN_TYPE);
+
+/*
+ * This is the instrumentation part of the monitor.
+ *
+ * This is the section where manual work is required. Here the kernel events
+ * are translated into model's event.
+ *
+ */
+TRACEPOINT_HANDLERS_SKEL
+static int enable_MODEL_NAME(void)
+{
+	int retval;
+
+	retval = da_monitor_init_MODEL_NAME();
+	if (retval)
+		return retval;
+
+TRACEPOINT_ATTACH
+
+	return 0;
+}
+
+static void disable_MODEL_NAME(void)
+{
+	rv_MODEL_NAME.enabled = 0;
+
+TRACEPOINT_DETACH
+
+	da_monitor_destroy_MODEL_NAME();
+}
+
+/*
+ * This is the monitor register section.
+ */
+struct rv_monitor rv_MODEL_NAME = {
+	.name = "MODEL_NAME",
+	.description = "auto-generated MODEL_NAME",
+	.enable = enable_MODEL_NAME,
+	.disable = disable_MODEL_NAME,
+	.reset = da_monitor_reset_all_MODEL_NAME,
+	.enabled = 0,
+};
+
+static int register_MODEL_NAME(void)
+{
+	rv_register_monitor(&rv_MODEL_NAME);
+	return 0;
+}
+
+static void unregister_MODEL_NAME(void)
+{
+	rv_unregister_monitor(&rv_MODEL_NAME);
+}
+
+module_init(register_MODEL_NAME);
+module_exit(unregister_MODEL_NAME);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("dot2k: auto-generated");
+MODULE_DESCRIPTION("MODEL_NAME");