+/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM irq
-#if !defined(_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
-#define _TRACE_IRQ_H
+#if !defined(LTTNG_TRACE_IRQ_H) || defined(TRACE_HEADER_MULTI_READ)
+#define LTTNG_TRACE_IRQ_H
-#include <linux/tracepoint.h>
+#include <probes/lttng-tracepoint-event.h>
#ifndef _TRACE_IRQ_DEF_
#define _TRACE_IRQ_DEF_
struct irqaction;
struct softirq_action;
-#define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }
-#define show_softirq_name(val) \
- __print_symbolic(val, \
- softirq_name(HI), \
- softirq_name(TIMER), \
- softirq_name(NET_TX), \
- softirq_name(NET_RX), \
- softirq_name(BLOCK), \
- softirq_name(BLOCK_IOPOLL), \
- softirq_name(TASKLET), \
- softirq_name(SCHED), \
- softirq_name(HRTIMER), \
- softirq_name(RCU))
-
#endif /* _TRACE_IRQ_DEF_ */
/**
* conjunction with the irq_handler_exit tracepoint, we can figure
* out irq handler latencies.
*/
-TRACE_EVENT(irq_handler_entry,
+LTTNG_TRACEPOINT_EVENT(irq_handler_entry,
TP_PROTO(int irq, struct irqaction *action),
TP_ARGS(irq, action),
- TP_STRUCT__entry(
- __field( int, irq )
- __string( name, action->name )
- ),
-
- TP_fast_assign(
- tp_assign(irq, irq)
- tp_strcpy(name, action->name)
- ),
-
- TP_printk("irq=%d name=%s", __entry->irq, __get_str(name))
+ TP_FIELDS(
+ ctf_integer(int, irq, irq)
+ ctf_string(name, action->name)
+ )
)
/**
* a shared irq line, or the irq was not handled successfully. Can be used in
* conjunction with the irq_handler_entry to understand irq handler latencies.
*/
-TRACE_EVENT(irq_handler_exit,
+LTTNG_TRACEPOINT_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(
- tp_assign(irq, irq)
- tp_assign(ret, ret)
- ),
-
- TP_printk("irq=%d ret=%s",
- __entry->irq, __entry->ret ? "handled" : "unhandled")
+ TP_FIELDS(
+ ctf_integer(int, irq, irq)
+ ctf_integer(int, ret, ret)
+ )
)
-DECLARE_EVENT_CLASS(softirq,
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
+LTTNG_TRACEPOINT_EVENT_CLASS(irq_softirq,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr),
- TP_STRUCT__entry(
- __field( unsigned int, vec )
- ),
-
- TP_fast_assign(
- tp_assign(vec, vec_nr)
- ),
-
- TP_printk("vec=%u [action=%s]", __entry->vec,
- show_softirq_name(__entry->vec))
+ TP_FIELDS(
+ ctf_integer(unsigned int, vec, vec_nr)
+ )
)
/**
* When used in combination with the softirq_exit tracepoint
* we can determine the softirq handler runtine.
*/
-DEFINE_EVENT(softirq, softirq_entry,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_entry,
+
+ irq_softirq_entry,
TP_PROTO(unsigned int vec_nr),
* When used in combination with the softirq_entry tracepoint
* we can determine the softirq handler runtine.
*/
-DEFINE_EVENT(softirq, softirq_exit,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_exit,
+
+ irq_softirq_exit,
TP_PROTO(unsigned int vec_nr),
* When used in combination with the softirq_entry tracepoint
* we can determine the softirq raise to run latency.
*/
-DEFINE_EVENT(softirq, softirq_raise,
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_raise,
+
+ irq_softirq_raise,
TP_PROTO(unsigned int vec_nr),
TP_ARGS(vec_nr)
)
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */
+LTTNG_TRACEPOINT_EVENT_CLASS(irq_softirq,
+
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+
+ TP_ARGS(h, vec),
+
+ TP_FIELDS(
+ ctf_integer(unsigned int, vec, (int)(h - 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
+ *
+ * When used in combination with the softirq_exit tracepoint
+ * we can determine the softirq handler runtine.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_entry,
+
+ irq_softirq_entry,
+
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+
+ TP_ARGS(h, vec)
+)
+
+/**
+ * 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
+ *
+ * When used in combination with the softirq_entry tracepoint
+ * we can determine the softirq handler runtine.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_exit,
+
+ irq_softirq_exit,
+
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+
+ TP_ARGS(h, vec)
+)
+
+/**
+ * softirq_raise - called immediately when a softirq is raised
+ * @h: pointer to struct softirq_action
+ * @vec: pointer to first struct softirq_action in softirq_vec array
+ *
+ * When used in combination with the softirq_entry tracepoint
+ * we can determine the softirq raise to run latency.
+ */
+LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(irq_softirq, softirq_raise,
+
+ irq_softirq_raise,
+
+ TP_PROTO(struct softirq_action *h, struct softirq_action *vec),
+
+ TP_ARGS(h, vec)
+)
+#endif /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37)) */
-#endif /* _TRACE_IRQ_H */
+#endif /* LTTNG_TRACE_IRQ_H */
/* This part must be outside protection */
-#include "define_trace.h"
+#include <probes/define_trace.h>
projects / lttng-modules.git / blobdiff