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-rw-r--r--include/trace/events/signal.h85
1 files changed, 22 insertions, 63 deletions
diff --git a/include/trace/events/signal.h b/include/trace/events/signal.h
index 17df43464df0..39a8a430d90f 100644
--- a/include/trace/events/signal.h
+++ b/include/trace/events/signal.h
@@ -23,11 +23,23 @@
23 } \ 23 } \
24 } while (0) 24 } while (0)
25 25
26#ifndef TRACE_HEADER_MULTI_READ
27enum {
28 TRACE_SIGNAL_DELIVERED,
29 TRACE_SIGNAL_IGNORED,
30 TRACE_SIGNAL_ALREADY_PENDING,
31 TRACE_SIGNAL_OVERFLOW_FAIL,
32 TRACE_SIGNAL_LOSE_INFO,
33};
34#endif
35
26/** 36/**
27 * signal_generate - called when a signal is generated 37 * signal_generate - called when a signal is generated
28 * @sig: signal number 38 * @sig: signal number
29 * @info: pointer to struct siginfo 39 * @info: pointer to struct siginfo
30 * @task: pointer to struct task_struct 40 * @task: pointer to struct task_struct
41 * @group: shared or private
42 * @result: TRACE_SIGNAL_*
31 * 43 *
32 * Current process sends a 'sig' signal to 'task' process with 44 * Current process sends a 'sig' signal to 'task' process with
33 * 'info' siginfo. If 'info' is SEND_SIG_NOINFO or SEND_SIG_PRIV, 45 * 'info' siginfo. If 'info' is SEND_SIG_NOINFO or SEND_SIG_PRIV,
@@ -37,9 +49,10 @@
37 */ 49 */
38TRACE_EVENT(signal_generate, 50TRACE_EVENT(signal_generate,
39 51
40 TP_PROTO(int sig, struct siginfo *info, struct task_struct *task), 52 TP_PROTO(int sig, struct siginfo *info, struct task_struct *task,
53 int group, int result),
41 54
42 TP_ARGS(sig, info, task), 55 TP_ARGS(sig, info, task, group, result),
43 56
44 TP_STRUCT__entry( 57 TP_STRUCT__entry(
45 __field( int, sig ) 58 __field( int, sig )
@@ -47,6 +60,8 @@ TRACE_EVENT(signal_generate,
47 __field( int, code ) 60 __field( int, code )
48 __array( char, comm, TASK_COMM_LEN ) 61 __array( char, comm, TASK_COMM_LEN )
49 __field( pid_t, pid ) 62 __field( pid_t, pid )
63 __field( int, group )
64 __field( int, result )
50 ), 65 ),
51 66
52 TP_fast_assign( 67 TP_fast_assign(
@@ -54,11 +69,14 @@ TRACE_EVENT(signal_generate,
54 TP_STORE_SIGINFO(__entry, info); 69 TP_STORE_SIGINFO(__entry, info);
55 memcpy(__entry->comm, task->comm, TASK_COMM_LEN); 70 memcpy(__entry->comm, task->comm, TASK_COMM_LEN);
56 __entry->pid = task->pid; 71 __entry->pid = task->pid;
72 __entry->group = group;
73 __entry->result = result;
57 ), 74 ),
58 75
59 TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d", 76 TP_printk("sig=%d errno=%d code=%d comm=%s pid=%d grp=%d res=%d",
60 __entry->sig, __entry->errno, __entry->code, 77 __entry->sig, __entry->errno, __entry->code,
61 __entry->comm, __entry->pid) 78 __entry->comm, __entry->pid, __entry->group,
79 __entry->result)
62); 80);
63 81
64/** 82/**
@@ -101,65 +119,6 @@ TRACE_EVENT(signal_deliver,
101 __entry->sa_handler, __entry->sa_flags) 119 __entry->sa_handler, __entry->sa_flags)
102); 120);
103 121
104DECLARE_EVENT_CLASS(signal_queue_overflow,
105
106 TP_PROTO(int sig, int group, struct siginfo *info),
107
108 TP_ARGS(sig, group, info),
109
110 TP_STRUCT__entry(
111 __field( int, sig )
112 __field( int, group )
113 __field( int, errno )
114 __field( int, code )
115 ),
116
117 TP_fast_assign(
118 __entry->sig = sig;
119 __entry->group = group;
120 TP_STORE_SIGINFO(__entry, info);
121 ),
122
123 TP_printk("sig=%d group=%d errno=%d code=%d",
124 __entry->sig, __entry->group, __entry->errno, __entry->code)
125);
126
127/**
128 * signal_overflow_fail - called when signal queue is overflow
129 * @sig: signal number
130 * @group: signal to process group or not (bool)
131 * @info: pointer to struct siginfo
132 *
133 * Kernel fails to generate 'sig' signal with 'info' siginfo, because
134 * siginfo queue is overflow, and the signal is dropped.
135 * 'group' is not 0 if the signal will be sent to a process group.
136 * 'sig' is always one of RT signals.
137 */
138DEFINE_EVENT(signal_queue_overflow, signal_overflow_fail,
139
140 TP_PROTO(int sig, int group, struct siginfo *info),
141
142 TP_ARGS(sig, group, info)
143);
144
145/**
146 * signal_lose_info - called when siginfo is lost
147 * @sig: signal number
148 * @group: signal to process group or not (bool)
149 * @info: pointer to struct siginfo
150 *
151 * Kernel generates 'sig' signal but loses 'info' siginfo, because siginfo
152 * queue is overflow.
153 * 'group' is not 0 if the signal will be sent to a process group.
154 * 'sig' is always one of non-RT signals.
155 */
156DEFINE_EVENT(signal_queue_overflow, signal_lose_info,
157
158 TP_PROTO(int sig, int group, struct siginfo *info),
159
160 TP_ARGS(sig, group, info)
161);
162
163#endif /* _TRACE_SIGNAL_H */ 122#endif /* _TRACE_SIGNAL_H */
164 123
165/* This part must be outside protection */ 124/* This part must be outside protection */