tracing: tracepoints, samples

Tracepoint example code under samples/.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Acked-by: 'Peter Zijlstra' <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 13 insertions, 0 deletions

diff --git a/samples/tracepoints/tp-samples-trace.h b/samples/tracepoints/tp-samples-trace.h
new file mode 100644
index 000000000000..0216b55bd640
--- /dev/null
+++ b/samples/tracepoints/tp-samples-trace.h
@@ -0,0 +1,13 @@
+#ifndef _TP_SAMPLES_TRACE_H
+#define _TP_SAMPLES_TRACE_H
+
+#include <linux/proc_fs.h>      /* for struct inode and struct file */
+#include <linux/tracepoint.h>
+
+DEFINE_TRACE(subsys_event,
+        TPPROTO(struct inode *inode, struct file *file),
+        TPARGS(inode, file));
+DEFINE_TRACE(subsys_eventb,
+        TPPROTO(void),
+        TPARGS());
+#endif