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-rw-r--r--include/trace/events/litmus.h147
-rw-r--r--include/trace/events/sched.h3
2 files changed, 150 insertions, 0 deletions
diff --git a/include/trace/events/litmus.h b/include/trace/events/litmus.h
new file mode 100644
index 000000000000..e5216a8502c2
--- /dev/null
+++ b/include/trace/events/litmus.h
@@ -0,0 +1,147 @@
1/*
2 * LITMUS^RT scheduling events
3 * included from sched.
4 */
5#include <litmus/litmus.h>
6#include <litmus/rt_param.h>
7
8/*
9 * Tracing task admission
10 */
11TRACE_EVENT(litmus_task_param,
12
13 TP_PROTO(struct task_struct *t),
14
15 TP_ARGS(t),
16
17 TP_STRUCT__entry(
18 __field( pid_t, pid )
19 __field( unsigned int, job )
20 __field( lt_t, wcet )
21 __field( lt_t, period )
22 __field( lt_t, phase )
23 __field( int, partition )
24 ),
25
26 TP_fast_assign(
27 __entry->pid = t ? t->pid : 0;
28 __entry->job = t ? t->rt_param.job_params.job_no : 0;
29 __entry->wcet = get_exec_cost(t);
30 __entry->period = get_rt_period(t);
31 __entry->phase = get_rt_phase(t);
32 __entry->partition = get_partition(t);
33 ),
34
35 TP_printk("period(%d, %Lu).\nwcet(%d, %Lu).\n",
36 __entry->pid, __entry->period,
37 __entry->pid, __entry->wcet)
38);
39
40/*
41 * Tracing jobs release
42 */
43TRACE_EVENT(litmus_task_release,
44
45 TP_PROTO(struct task_struct *t),
46
47 TP_ARGS(t),
48
49 TP_STRUCT__entry(
50 __field( pid_t, pid )
51 __field( unsigned int, job )
52 __field( lt_t, release )
53 __field( lt_t, deadline )
54 ),
55
56 TP_fast_assign(
57 __entry->pid = t ? t->pid : 0;
58 __entry->job = t ? t->rt_param.job_params.job_no : 0;
59 __entry->release = get_release(t);
60 __entry->deadline = get_deadline(t);
61 ),
62
63 TP_printk("released(job(%u, %u), %Lu).\ndeadline(job(%u, %u), %Lu).\n",
64 __entry->pid, __entry->job, __entry->release,
65 __entry->pid, __entry->job, __entry->deadline)
66);
67
68/*
69 * Tracing jobs completion
70 */
71TRACE_EVENT(litmus_task_completion,
72
73 TP_PROTO(struct task_struct *t, unsigned long forced),
74
75 TP_ARGS(t, forced),
76
77 TP_STRUCT__entry(
78 __field( pid_t, pid )
79 __field( unsigned int, job )
80 __field( lt_t, when )
81 __field( unsigned long, forced )
82 ),
83
84 TP_fast_assign(
85 __entry->pid = t ? t->pid : 0;
86 __entry->job = t ? t->rt_param.job_params.job_no : 0;
87 __entry->when = litmus_clock();
88 __entry->forced = forced;
89 ),
90
91 TP_printk("completed(job(%u, %u), %Lu).\n",
92 __entry->pid, __entry->job, __entry->when)
93);
94
95/*
96 * Tracing jobs resume
97 */
98TRACE_EVENT(litmus_task_resume,
99
100 TP_PROTO(struct task_struct *t),
101
102 TP_ARGS(t),
103
104 TP_STRUCT__entry(
105 __field( pid_t, pid )
106 __field( unsigned int, job )
107 __field( lt_t, when )
108 ),
109
110 TP_fast_assign(
111 __entry->pid = t ? t->pid : 0;
112 __entry->job = t ? t->rt_param.job_params.job_no : 0;
113 __entry->when = litmus_clock();
114 ),
115
116 TP_printk("resumed(job(%u, %u), %Lu).\n",
117 __entry->pid, __entry->job, __entry->when)
118);
119
120/*
121 * Tracepoint for switching away previous task
122 */
123TRACE_EVENT(litmus_switch_away,
124
125 TP_PROTO(struct task_struct *t),
126
127 TP_ARGS(t),
128
129 TP_STRUCT__entry(
130 __field( pid_t, pid )
131 __field( unsigned int, job )
132 __field( lt_t, when )
133 __field( lt_t, exec_time )
134 ),
135
136 TP_fast_assign(
137 __entry->pid = t ? t->pid : 0;
138 __entry->job = t ? t->rt_param.job_params.job_no : 0;
139 __entry->when = litmus_clock();
140 __entry->exec_time = get_exec_time(t);
141 ),
142
143 TP_printk("scheduled(job(%u, %u), %Lu, %Lu).\n",
144 __entry->pid, __entry->job,
145 __entry->when, __entry->exec_time)
146);
147
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 4069c43f4187..0e1d542ca961 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -472,6 +472,9 @@ TRACE_EVENT(sched_stat_iowait,
472 (unsigned long long)__entry->delay) 472 (unsigned long long)__entry->delay)
473); 473);
474 474
475/* include LITMUS^RT scheduling events */
476#include "./litmus.h"
477
475#endif /* _TRACE_SCHED_H */ 478#endif /* _TRACE_SCHED_H */
476 479
477/* This part must be outside protection */ 480/* This part must be outside protection */