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authorIngo Molnar <mingo@elte.hu>2010-10-23 14:05:43 -0400
committerIngo Molnar <mingo@elte.hu>2010-10-23 14:05:43 -0400
commitb8ecad8b2f8757d51632b1ea6d602c1f7b9760a2 (patch)
tree5a03029dbf02df606fa48a82525eb321e59b5c33 /include/trace
parenteea4a0b19a2719e3e23b5450dd9fbe97789d2a57 (diff)
parent8bfb5e7d6a14b29cffddd113f4b0be7d9aafc1e8 (diff)
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/irq.h54
1 files changed, 20 insertions, 34 deletions
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
87DECLARE_EVENT_CLASS(softirq, 87DECLARE_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 */
119DEFINE_EVENT(softirq, softirq_entry, 112DEFINE_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 */
137DEFINE_EVENT(softirq, softirq_exit, 126DEFINE_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 */
154DEFINE_EVENT(softirq, softirq_raise, 140DEFINE_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 */