summaryrefslogtreecommitdiffstats
path: root/include/trace/events/irq.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/trace/events/irq.h')
-rw-r--r--include/trace/events/irq.h56
1 files changed, 32 insertions, 24 deletions
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index 0e4cfb694fe7..1c09820df585 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -5,7 +5,9 @@
#define _TRACE_IRQ_H
#include <linux/tracepoint.h>
-#include <linux/interrupt.h>
+
+struct irqaction;
+struct softirq_action;
#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }
#define show_softirq_name(val) \
@@ -84,56 +86,62 @@ TRACE_EVENT(irq_handler_exit,
DECLARE_EVENT_CLASS(softirq,
- TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+ TP_PROTO(unsigned int vec_nr),
- TP_ARGS(h, vec),
+ TP_ARGS(vec_nr),
TP_STRUCT__entry(
- __field( int, vec )
+ __field( unsigned int, vec )
),
TP_fast_assign(
- __entry->vec = (int)(h - vec);
+ __entry->vec = vec_nr;
),
- TP_printk("vec=%d [action=%s]", __entry->vec,
+ TP_printk("vec=%u [action=%s]", __entry->vec,
show_softirq_name(__entry->vec))
);
/**
* softirq_entry - called immediately before the softirq handler
- * @h: pointer to struct softirq_action
- * @vec: pointer to first struct softirq_action in softirq_vec array
+ * @vec_nr: softirq vector number
*
- * The @h parameter, contains a pointer to the struct softirq_action
- * which has a pointer to the action handler that is called. By subtracting
- * the @vec pointer from the @h pointer, we can determine the softirq
- * number. Also, when used in combination with the softirq_exit tracepoint
- * we can determine the softirq latency.
+ * When used in combination with the softirq_exit tracepoint
+ * we can determine the softirq handler runtine.
*/
DEFINE_EVENT(softirq, softirq_entry,
- TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+ TP_PROTO(unsigned int vec_nr),
- TP_ARGS(h, vec)
+ TP_ARGS(vec_nr)
);
/**
* softirq_exit - called immediately after the softirq handler returns
- * @h: pointer to struct softirq_action
- * @vec: pointer to first struct softirq_action in softirq_vec array
+ * @vec_nr: softirq vector number
*
- * The @h parameter contains a pointer to the struct softirq_action
- * that has handled the softirq. By subtracting the @vec pointer from
- * the @h pointer, we can determine the softirq number. Also, when used in
- * combination with the softirq_entry tracepoint we can determine the softirq
- * latency.
+ * When used in combination with the softirq_entry tracepoint
+ * we can determine the softirq handler runtine.
*/
DEFINE_EVENT(softirq, softirq_exit,
- TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+ TP_PROTO(unsigned int vec_nr),
+
+ TP_ARGS(vec_nr)
+);
+
+/**
+ * softirq_raise - called immediately when a softirq is raised
+ * @vec_nr: softirq vector number
+ *
+ * When used in combination with the softirq_entry tracepoint
+ * we can determine the softirq raise to run latency.
+ */
+DEFINE_EVENT(softirq, softirq_raise,
+
+ TP_PROTO(unsigned int vec_nr),
- TP_ARGS(h, vec)
+ TP_ARGS(vec_nr)
);
#endif /* _TRACE_IRQ_H */
OpenPOWER on IntegriCloud