2 files changed, 155 insertions, 0 deletions
diff --git a/kernel/trace/rv/monitors/wip/wip.c b/kernel/trace/rv/monitors/wip/wip.c
new file mode 100644
index 000000000000..79a054ca0cde
--- /dev/null
+++ b/kernel/trace/rv/monitors/wip/wip.c
@@ -0,0 +1,109 @@
+// 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 "wip"
+
+/*
+ * XXX: include required tracepoint headers, e.g.,
+ * #include <linux/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 "wip.h"
+
+/*
+ * Declare the deterministic automata monitor.
+ *
+ * The rv monitor reference is needed for the monitor declaration.
+ */
+struct rv_monitor rv_wip;
+DECLARE_DA_MON_PER_CPU(wip, unsigned char);
+
+/*
+ * 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.
+ *
+ */
+static void handle_preempt_disable(void *data, /* XXX: fill header */)
+{
+	da_handle_event_wip(preempt_disable_wip);
+}
+
+static void handle_preempt_enable(void *data, /* XXX: fill header */)
+{
+	da_handle_event_wip(preempt_enable_wip);
+}
+
+static void handle_sched_waking(void *data, /* XXX: fill header */)
+{
+	da_handle_event_wip(sched_waking_wip);
+}
+
+static int enable_wip(void)
+{
+	int retval;
+
+	retval = da_monitor_init_wip();
+	if (retval)
+		return retval;
+
+	rv_attach_trace_probe("wip", /* XXX: tracepoint */, handle_preempt_disable);
+	rv_attach_trace_probe("wip", /* XXX: tracepoint */, handle_preempt_enable);
+	rv_attach_trace_probe("wip", /* XXX: tracepoint */, handle_sched_waking);
+
+	return 0;
+}
+
+static void disable_wip(void)
+{
+	rv_wip.enabled = 0;
+
+	rv_detach_trace_probe("wip", /* XXX: tracepoint */, handle_preempt_disable);
+	rv_detach_trace_probe("wip", /* XXX: tracepoint */, handle_preempt_enable);
+	rv_detach_trace_probe("wip", /* XXX: tracepoint */, handle_sched_waking);
+
+	da_monitor_destroy_wip();
+}
+
+/*
+ * This is the monitor register section.
+ */
+struct rv_monitor rv_wip = {
+	.name = "wip",
+	.description = "auto-generated wip",
+	.enable = enable_wip,
+	.disable = disable_wip,
+	.reset = da_monitor_reset_all_wip,
+	.enabled = 0,
+};
+
+static int register_wip(void)
+{
+	rv_register_monitor(&rv_wip);
+	return 0;
+}
+
+static void unregister_wip(void)
+{
+	rv_unregister_monitor(&rv_wip);
+}
+
+module_init(register_wip);
+module_exit(unregister_wip);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("dot2k: auto-generated");
+MODULE_DESCRIPTION("wip");
diff --git a/kernel/trace/rv/monitors/wip/wip.h b/kernel/trace/rv/monitors/wip/wip.h
new file mode 100644
index 000000000000..c1c47e2305ef
--- /dev/null
+++ b/kernel/trace/rv/monitors/wip/wip.h
@@ -0,0 +1,46 @@
+/*
+ * Automatically generated C representation of wip automaton
+ * For further information about this format, see kernel documentation:
+ *   Documentation/trace/rv/deterministic_automata.rst
+ */
+
+enum states_wip {
+	preemptive_wip = 0,
+	non_preemptive_wip,
+	state_max_wip
+};
+
+#define INVALID_STATE state_max_wip
+
+enum events_wip {
+	preempt_disable_wip = 0,
+	preempt_enable_wip,
+	sched_waking_wip,
+	event_max_wip
+};
+
+struct automaton_wip {
+	char *state_names[state_max_wip];
+	char *event_names[event_max_wip];
+	unsigned char function[state_max_wip][event_max_wip];
+	unsigned char initial_state;
+	bool final_states[state_max_wip];
+};
+
+struct automaton_wip automaton_wip = {
+	.state_names = {
+		"preemptive",
+		"non_preemptive"
+	},
+	.event_names = {
+		"preempt_disable",
+		"preempt_enable",
+		"sched_waking"
+	},
+	.function = {
+		{ non_preemptive_wip,      INVALID_STATE,      INVALID_STATE },
+		{      INVALID_STATE,     preemptive_wip, non_preemptive_wip },
+	},
+	.initial_state = preemptive_wip,
+	.final_states = { 1, 0 },
+};