This patch adds new trap tracepoint definitions. Both trap entry and trap exit
tracepoints can be added.
Signed-off-by: Francis Deslauriers <fdesl...@gmail.com>
---
include/trace/events/trap.h | 45 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)
create mode 100644 include/trace/events/trap.h
diff --git a/include/trace/events/trap.h b/include/trace/events/trap.h
new file mode 100644
index 0000000..e1847a3
--- /dev/null
+++ b/include/trace/events/trap.h
@@ -0,0 +1,45 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM trap
+
+#if !defined(_TRACE_TRAP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_TRAP_H
+
+#include <linux/tracepoint.h>
+
+TRACE_EVENT(trap_entry,
+
+ TP_PROTO(struct pt_regs *regs, long trap),
+
+ TP_ARGS(regs, trap),
+
+ TP_STRUCT__entry(
+ __field( long, trap)
+ __field( unsigned long, ip)
+ ),
+ TP_fast_assign(
+ __entry->trap = trap;
+ __entry->ip = regs ? instruction_pointer(regs) : 0UL;
+ ),
+
+ TP_printk("number=%ld, ip = %lu", __entry->trap, __entry->ip)
+);
+
+TRACE_EVENT(trap_exit,
+
+ TP_PROTO(long trap),
+
+ TP_ARGS(trap),
+
+ TP_STRUCT__entry(
+ __field( long, trap)
+ ),
+ TP_fast_assign(
+ __entry->trap = trap;
+ ),
+
+ TP_printk("number=%ld", __entry->trap)
+);
+
+#endif /* _TRACE_TRAP_H */
+/* This part must be outside protection */
+#include <trace/define_trace.h>
--
1.7.10.4
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