1 files changed, 57 insertions, 0 deletions

diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
new file mode 100644
index 000000000000..75e3468e4493
--- /dev/null
+++ b/include/trace/events/irq.h
@@ -0,0 +1,57 @@
+#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_IRQ_H
+
+#include <linux/tracepoint.h>
+#include <linux/interrupt.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM irq
+
+/*
+ * Tracepoint for entry of interrupt handler:
+ */
+TRACE_FORMAT(irq_handler_entry,
+        TP_PROTO(int irq, struct irqaction *action),
+        TP_ARGS(irq, action),
+        TP_FMT("irq=%d handler=%s", irq, action->name)
+        );
+
+/*
+ * Tracepoint for return of an interrupt handler:
+ */
+TRACE_EVENT(irq_handler_exit,
+
+        TP_PROTO(int irq, struct irqaction *action, int ret),
+
+        TP_ARGS(irq, action, ret),
+
+        TP_STRUCT__entry(
+                __field(        int,    irq     )
+                __field(        int,    ret     )
+        ),
+
+        TP_fast_assign(
+                __entry->irq    = irq;
+                __entry->ret    = ret;
+        ),
+
+        TP_printk("irq=%d return=%s",
+                  __entry->irq, __entry->ret ? "handled" : "unhandled")
+);
+
+TRACE_FORMAT(softirq_entry,
+        TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+        TP_ARGS(h, vec),
+        TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
+        );
+
+TRACE_FORMAT(softirq_exit,
+        TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+        TP_ARGS(h, vec),
+        TP_FMT("softirq=%d action=%s", (int)(h - vec), softirq_to_name[h-vec])
+        );
+
+#endif /*  _TRACE_IRQ_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>