| 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 | |