parrot_trace.patch

diff -ruN lttng-modules-2.8.3/instrumentation/events/lttng-module/parrot_trace.h lttng-modules-2.8.3/instrumentation/events/lttng-module/parrot_trace.h
--- lttng-modules-2.8.3/instrumentation/events/lttng-module/parrot_trace.h	1970-01-01 01:00:00.000000000 +0100
+++ lttng-modules-2.8.3/instrumentation/events/lttng-module/parrot_trace.h	2014-08-05 18:23:43.398066875 +0200
@@ -0,0 +1,45 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM parrot_trace
+
+#if !defined(_PARROT_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _PARROT_TRACE_H
+
+#include "../../../probes/lttng-tracepoint-event.h"
+
+LTTNG_TRACEPOINT_EVENT(user_kevent_start,
+
+	TP_PROTO(int evt),
+
+	TP_ARGS(evt),
+
+	TP_FIELDS(
+		ctf_integer(int, event_start, evt)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT(user_kevent_stop,
+
+	TP_PROTO(int evt),
+
+	TP_ARGS(evt),
+
+	TP_FIELDS(
+		ctf_integer(int, event_stop, evt)
+	)
+)
+
+LTTNG_TRACEPOINT_EVENT(user_kmessage,
+
+	TP_PROTO(char *str),
+
+	TP_ARGS(str),
+
+	TP_FIELDS(
+		ctf_string(message, str)
+	)
+)
+
+#endif /* _PARROT_TRACE_H */
+
+/* This part must be outside protection */
+#include "../../../probes/define_trace.h"
diff -ruN lttng-modules-2.8.3/instrumentation/events/mainline/parrot_trace.h lttng-modules-2.8.3/instrumentation/events/mainline/parrot_trace.h
--- lttng-modules-2.8.3/instrumentation/events/mainline/parrot_trace.h	1970-01-01 01:00:00.000000000 +0100
+++ lttng-modules-2.8.3/instrumentation/events/mainline/parrot_trace.h	2014-08-05 18:23:43.398066875 +0200
@@ -0,0 +1,61 @@
+#undef TRACE_SYSEM
+#define TRACE_SYSTEM parrot_trace
+
+#if !defined(_PARROT_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _PARROT_TRACE_H
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(user_kevent_start,
+
+	TP_PROTO(int evt),
+
+	TP_ARGS(evt),
+
+	TP_STRUCT__entry(
+		__field(	int,	event_start)
+	),
+
+	TP_fast_assign(
+		__entry->event_start = evt;
+	),
+
+	TP_printk("start = %d", __entry->event_start)
+)
+
+TRACE_EVENT(user_kevent_stop,
+
+	TP_PROTO(int evt),
+
+	TP_ARGS(evt),
+
+	TP_STRUCT__entry(
+		__field(	int,	event_stop)
+	),
+
+	TP_fast_assign(
+		__entry->event_stop = evt;
+	),
+
+	TP_printk("stop = %d", __entry->event_stop)
+)
+
+TRACE_EVENT(user_kmessage,
+
+	TP_PROTO(char *str),
+
+	TP_ARGS(str),
+
+	TP_STRUCT__entry(
+		__string(	message,	str)
+	),
+
+	TP_fast_assign(
+		__assign_str(message, str);
+	),
+
+	TP_printk("message = %s", __get_str(message))
+)
+
+#endif
+
+#include <trace/define_trace.h>
diff -ruN lttng-modules-2.8.3/probes/lttng-probe-parrot.c lttng-modules-2.8.3/probes/lttng-probe-parrot.c
--- lttng-modules-2.8.3/probes/lttng-probe-parrot.c	1970-01-01 01:00:00.000000000 +0100
+++ lttng-modules-2.8.3/probes/lttng-probe-parrot.c	2014-08-05 18:23:43.398066875 +0200
@@ -0,0 +1,43 @@
+/*
+ * probes/lttng-probe-parrot.c
+ *
+ * Parrot LTTng probes.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/module.h>
+#include "../wrapper/tracepoint.h"
+
+/*
+ * Create the tracepoint static inlines from the kernel to validate that our
+ * trace event macros match the kernel we run on.
+ */
+
+#include <trace/events/parrot_trace.h>
+
+/*
+ * Create LTTng tracepoint probes.
+ */
+#define LTTNG_PACKAGE_BUILD
+#define CREATE_TRACE_POINTS
+#define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module
+
+#include "../instrumentation/events/lttng-module/parrot_trace.h"
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Damien Riegel <damien.riegel.ext@parrot.com>");
+MODULE_DESCRIPTION("Parrot LTTng probes");
diff -Nur lttng-modules-2.8.3.orig/probes/Kbuild lttng-modules-2.8.3/probes/Kbuild
--- lttng-modules-2.8.3.orig/probes/Kbuild	2016-10-13 16:20:22.000000000 +0200
+++ lttng-modules-2.8.3/probes/Kbuild	2016-10-31 09:46:56.801717336 +0100
@@ -12,6 +12,12 @@
 obj-$(CONFIG_LTTNG) += lttng-probe-power.o
 obj-$(CONFIG_LTTNG) += lttng-probe-statedump.o
 
+ifneq ($(wildcard $(KERNELDIR)/include/trace/events/parrot_trace.h),)
+obj-m += lttng-probe-parrot.o
+else
+ $(warning "Parrot tracers missing in kernel tree")
+endif
+
 ifneq ($(CONFIG_KVM),)
   obj-$(CONFIG_LTTNG) += lttng-probe-kvm.o
   ifneq ($(CONFIG_X86),)