59121f0c |
1 | /* A trace is a sequence of events gathered in the same tracing session. The |
2 | events may be stored in several tracefiles in the same directory. |
3 | A trace set is defined when several traces are to be analyzed together, |
4 | possibly to study the interactions between events in the different traces. |
5 | */ |
6 | |
7 | struct _lttv_trace_set { |
8 | GPtrArray *traces; |
9 | lttv_attributes *a; |
10 | }; |
11 | |
12 | struct _lttv_trace { |
13 | GPtrArray *all_cpu; |
14 | GPtrArray *per_cpu; |
15 | char *name; |
16 | lttv_attributes *a; |
17 | }; |
18 | |
19 | |
20 | struct _lttv_tracefile { |
21 | ltt_tracefile *t; |
22 | lttv_attributes *a; |
23 | }; |
24 | |
25 | |
26 | lttv_trace_set *lttv_trace_set_new() { |
27 | lttv_trace_set s; |
28 | |
29 | s = g_new(lttv_trace_set, 1); |
30 | s->traces = g_ptr_array_new(); |
31 | s->a = lttv_attributes_new(); |
32 | } |
33 | |
34 | lttv_trace_set *lttv_trace_set_destroy(lttv_trace_set *s) { |
35 | g_ptr_array_free(s->traces); |
36 | lttv_attributes_destroy(s->a); |
37 | return g_free(s); |
38 | } |
39 | |
40 | void lttv_trace_set_add(lttv_trace_set *s, lttv_trace *t) { |
41 | g_ptr_array_add(s,t); |
42 | } |
43 | |
44 | unsigned lttv_trace_set_number(lttv_trace_set *s) { |
45 | return s->traces.len; |
46 | } |
47 | |
48 | |
49 | lttv_trace *lttv_trace_set_get(lttv_trace_set *s, unsigned i) { |
50 | g_assert(s->traces->len <= i); |
51 | return s->traces.pdata[i]; |
52 | } |
53 | |
54 | |
55 | lttv_trace *lttv_trace_set_remove(lttv_trace_set *s, unsigned i) { |
56 | return g_ptr_array_remove_index(s->traces,i); |
57 | } |
58 | |
59 | |
60 | /* Look at all files in the directory. Open all those with ltt as extension |
61 | and sort these as per cpu or all cpu. */ |
62 | |
63 | lttv_trace *lttv_trace_open(char *pathname) { |
64 | lttv_trace *t; |
65 | |
66 | t = g_new(lttv_trace, 1); |
67 | t->per_cpu = g_ptr_array_new(); |
68 | t->all_cpu = g_ptr_array_new(); |
69 | t->a = lttv_attributes_new(); |
70 | return t; |
71 | } |
72 | |
73 | int lttv_trace_close(lttv_trace *t) { |
74 | |
75 | g_ptr_array_free(t->per_cpu); |
76 | g_ptr_array_free(t->all_cpu); |
77 | lttv_attributes_destroy(t->a); |
78 | g_free(t); |
79 | return 0; |
80 | } |
81 | |
82 | char *lttv_trace_name(lttv_trace *t) { |
83 | return t->name; |
84 | } |
85 | |
86 | |
87 | unsigned int lttv_trace_tracefile_number(lttv_trace *t) { |
88 | return t->per_cpu->len + t->all_cpu->len; |
89 | } |
90 | |
91 | unsigned int lttv_trace_cpu_number(lttv_trace *t) { |
92 | /* */ |
93 | } |
94 | |
95 | unsigned int lttv_trace_tracefile_number_per_cpu(lttv_trace *t) { |
96 | return t->per_cpu->len; |
97 | } |
98 | |
99 | unsigned int lttv_trace_tracefile_number_all_cpu(lttv_trace *t) { |
100 | return t->all_cpu_len; |
101 | } |
102 | |
103 | lttv_tracefile *lttv_trace_tracefile_get_per_cpu(lttv_trace *t, unsigned i) { |
104 | return t->per_cpu->pdata[i]; |
105 | } |
106 | |
107 | lttv_tracefile *lttv_trace_tracefile_get_all_cpu(lttv_trace *t, unsigned i) { |
108 | return t->all_cpu->pdata[i]; |
109 | } |
110 | |
111 | |
112 | /* A set of attributes is attached to each trace set, trace and tracefile |
113 | to store user defined data as needed. */ |
114 | |
115 | lttv_attributes *lttv_trace_set_attributes(lttv_trace_set *s) { |
116 | return s->a; |
117 | } |
118 | |
119 | lttv_attributes *lttv_trace_attributes(lttv_trace *t) { |
120 | return t->a; |
121 | } |
122 | |
123 | lttv_attributes *lttv_tracefile_attributes(lttv_tracefile *tf) { |
124 | return tf->a; |
125 | } |
126 | |
127 | |
128 | ltt_tracefile *lttv_tracefile_ltt_tracefile(lttv_tracefile *tf) { |
129 | return tf->t; |
130 | } |
131 | |
132 | char *lttv_tracefile_name(lttv_tracefile *tf) { |
133 | return tf->name; |
134 | } |
135 | |
136 | |