diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/interrupt.h | 2 | ||||
-rw-r--r-- | include/linux/ring_buffer.h | 12 | ||||
-rw-r--r-- | include/trace/events/irq.h | 54 |
3 files changed, 21 insertions, 47 deletions
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 01b281646251..79d0c4f6d071 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h | |||
@@ -410,7 +410,7 @@ extern void open_softirq(int nr, void (*action)(struct softirq_action *)); | |||
410 | extern void softirq_init(void); | 410 | extern void softirq_init(void); |
411 | static inline void __raise_softirq_irqoff(unsigned int nr) | 411 | static inline void __raise_softirq_irqoff(unsigned int nr) |
412 | { | 412 | { |
413 | trace_softirq_raise((struct softirq_action *)(unsigned long)nr, NULL); | 413 | trace_softirq_raise(nr); |
414 | or_softirq_pending(1UL << nr); | 414 | or_softirq_pending(1UL << nr); |
415 | } | 415 | } |
416 | 416 | ||
diff --git a/include/linux/ring_buffer.h b/include/linux/ring_buffer.h index 25b4f686d918..8d3a2486544d 100644 --- a/include/linux/ring_buffer.h +++ b/include/linux/ring_buffer.h | |||
@@ -62,18 +62,6 @@ enum ring_buffer_type { | |||
62 | unsigned ring_buffer_event_length(struct ring_buffer_event *event); | 62 | unsigned ring_buffer_event_length(struct ring_buffer_event *event); |
63 | void *ring_buffer_event_data(struct ring_buffer_event *event); | 63 | void *ring_buffer_event_data(struct ring_buffer_event *event); |
64 | 64 | ||
65 | /** | ||
66 | * ring_buffer_event_time_delta - return the delta timestamp of the event | ||
67 | * @event: the event to get the delta timestamp of | ||
68 | * | ||
69 | * The delta timestamp is the 27 bit timestamp since the last event. | ||
70 | */ | ||
71 | static inline unsigned | ||
72 | ring_buffer_event_time_delta(struct ring_buffer_event *event) | ||
73 | { | ||
74 | return event->time_delta; | ||
75 | } | ||
76 | |||
77 | /* | 65 | /* |
78 | * ring_buffer_discard_commit will remove an event that has not | 66 | * ring_buffer_discard_commit will remove an event that has not |
79 | * ben committed yet. If this is used, then ring_buffer_unlock_commit | 67 | * ben committed yet. If this is used, then ring_buffer_unlock_commit |
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h index 6fa7cbab7d93..1c09820df585 100644 --- a/include/trace/events/irq.h +++ b/include/trace/events/irq.h | |||
@@ -86,76 +86,62 @@ TRACE_EVENT(irq_handler_exit, | |||
86 | 86 | ||
87 | DECLARE_EVENT_CLASS(softirq, | 87 | DECLARE_EVENT_CLASS(softirq, |
88 | 88 | ||
89 | TP_PROTO(struct softirq_action *h, struct softirq_action *vec), | 89 | TP_PROTO(unsigned int vec_nr), |
90 | 90 | ||
91 | TP_ARGS(h, vec), | 91 | TP_ARGS(vec_nr), |
92 | 92 | ||
93 | TP_STRUCT__entry( | 93 | TP_STRUCT__entry( |
94 | __field( int, vec ) | 94 | __field( unsigned int, vec ) |
95 | ), | 95 | ), |
96 | 96 | ||
97 | TP_fast_assign( | 97 | TP_fast_assign( |
98 | if (vec) | 98 | __entry->vec = vec_nr; |
99 | __entry->vec = (int)(h - vec); | ||
100 | else | ||
101 | __entry->vec = (int)(long)h; | ||
102 | ), | 99 | ), |
103 | 100 | ||
104 | TP_printk("vec=%d [action=%s]", __entry->vec, | 101 | TP_printk("vec=%u [action=%s]", __entry->vec, |
105 | show_softirq_name(__entry->vec)) | 102 | show_softirq_name(__entry->vec)) |
106 | ); | 103 | ); |
107 | 104 | ||
108 | /** | 105 | /** |
109 | * softirq_entry - called immediately before the softirq handler | 106 | * softirq_entry - called immediately before the softirq handler |
110 | * @h: pointer to struct softirq_action | 107 | * @vec_nr: softirq vector number |
111 | * @vec: pointer to first struct softirq_action in softirq_vec array | ||
112 | * | 108 | * |
113 | * The @h parameter, contains a pointer to the struct softirq_action | 109 | * When used in combination with the softirq_exit tracepoint |
114 | * which has a pointer to the action handler that is called. By subtracting | 110 | * we can determine the softirq handler runtine. |
115 | * the @vec pointer from the @h pointer, we can determine the softirq | ||
116 | * number. Also, when used in combination with the softirq_exit tracepoint | ||
117 | * we can determine the softirq latency. | ||
118 | */ | 111 | */ |
119 | DEFINE_EVENT(softirq, softirq_entry, | 112 | DEFINE_EVENT(softirq, softirq_entry, |
120 | 113 | ||
121 | TP_PROTO(struct softirq_action *h, struct softirq_action *vec), | 114 | TP_PROTO(unsigned int vec_nr), |
122 | 115 | ||
123 | TP_ARGS(h, vec) | 116 | TP_ARGS(vec_nr) |
124 | ); | 117 | ); |
125 | 118 | ||
126 | /** | 119 | /** |
127 | * softirq_exit - called immediately after the softirq handler returns | 120 | * softirq_exit - called immediately after the softirq handler returns |
128 | * @h: pointer to struct softirq_action | 121 | * @vec_nr: softirq vector number |
129 | * @vec: pointer to first struct softirq_action in softirq_vec array | ||
130 | * | 122 | * |
131 | * The @h parameter contains a pointer to the struct softirq_action | 123 | * When used in combination with the softirq_entry tracepoint |
132 | * that has handled the softirq. By subtracting the @vec pointer from | 124 | * we can determine the softirq handler runtine. |
133 | * the @h pointer, we can determine the softirq number. Also, when used in | ||
134 | * combination with the softirq_entry tracepoint we can determine the softirq | ||
135 | * latency. | ||
136 | */ | 125 | */ |
137 | DEFINE_EVENT(softirq, softirq_exit, | 126 | DEFINE_EVENT(softirq, softirq_exit, |
138 | 127 | ||
139 | TP_PROTO(struct softirq_action *h, struct softirq_action *vec), | 128 | TP_PROTO(unsigned int vec_nr), |
140 | 129 | ||
141 | TP_ARGS(h, vec) | 130 | TP_ARGS(vec_nr) |
142 | ); | 131 | ); |
143 | 132 | ||
144 | /** | 133 | /** |
145 | * softirq_raise - called immediately when a softirq is raised | 134 | * softirq_raise - called immediately when a softirq is raised |
146 | * @h: pointer to struct softirq_action | 135 | * @vec_nr: softirq vector number |
147 | * @vec: pointer to first struct softirq_action in softirq_vec array | ||
148 | * | 136 | * |
149 | * The @h parameter contains a pointer to the softirq vector number which is | 137 | * When used in combination with the softirq_entry tracepoint |
150 | * raised. @vec is NULL and it means @h includes vector number not | 138 | * we can determine the softirq raise to run latency. |
151 | * softirq_action. When used in combination with the softirq_entry tracepoint | ||
152 | * we can determine the softirq raise latency. | ||
153 | */ | 139 | */ |
154 | DEFINE_EVENT(softirq, softirq_raise, | 140 | DEFINE_EVENT(softirq, softirq_raise, |
155 | 141 | ||
156 | TP_PROTO(struct softirq_action *h, struct softirq_action *vec), | 142 | TP_PROTO(unsigned int vec_nr), |
157 | 143 | ||
158 | TP_ARGS(h, vec) | 144 | TP_ARGS(vec_nr) |
159 | ); | 145 | ); |
160 | 146 | ||
161 | #endif /* _TRACE_IRQ_H */ | 147 | #endif /* _TRACE_IRQ_H */ |