Add preemptirq instrumentation

[lttng-modules.git] / probes / lttng-probe-preemptirq.c

diff --git a/probes/lttng-probe-preemptirq.c b/probes/lttng-probe-preemptirq.c
new file mode 100644 (file)
index 0000000..1270771
--- /dev/null
+++ b/probes/lttng-probe-preemptirq.c
@@ -0,0 +1,49 @@
+/*
+ * probes/lttng-probe-preemptirq.c
+ *
+ * LTTng preemptirq probes.
+ *
+ * Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *               2017 Michael Jeanson <mjeanson@efficios.com>
+ *
+ * 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 <linux/uaccess.h>
+#include <lttng-tracer.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/preemptirq.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/preemptirq.h>
+
+MODULE_LICENSE("GPL and additional rights");
+MODULE_AUTHOR("Michael Jeanson <mjeanson@efficios.com>");
+MODULE_DESCRIPTION("LTTng preemptirq probes");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+       __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+       __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+       LTTNG_MODULES_EXTRAVERSION);