| 1 | |
| 2 | #include <lttv/traceset.h> |
| 3 | |
| 4 | /* A trace is a sequence of events gathered in the same tracing session. The |
| 5 | events may be stored in several tracefiles in the same directory. |
| 6 | A trace set is defined when several traces are to be analyzed together, |
| 7 | possibly to study the interactions between events in the different traces. |
| 8 | */ |
| 9 | |
| 10 | struct _LttvTraceset { |
| 11 | GPtrArray *traces; |
| 12 | GPtrArray *attributes; |
| 13 | LttvAttribute *a; |
| 14 | }; |
| 15 | |
| 16 | |
| 17 | LttvTraceset *lttv_traceset_new() |
| 18 | { |
| 19 | LttvTraceset *s; |
| 20 | |
| 21 | s = g_new(LttvTraceset, 1); |
| 22 | s->traces = g_ptr_array_new(); |
| 23 | s->attributes = g_ptr_array_new(); |
| 24 | s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
| 25 | return s; |
| 26 | } |
| 27 | |
| 28 | |
| 29 | void lttv_traceset_destroy(LttvTraceset *s) |
| 30 | { |
| 31 | int i, nb; |
| 32 | |
| 33 | for(i = 0 ; i < s->attributes->len ; i++) { |
| 34 | g_object_unref((LttvAttribute *)s->attributes->pdata[i]); |
| 35 | } |
| 36 | g_ptr_array_free(s->attributes, TRUE); |
| 37 | g_ptr_array_free(s->traces, TRUE); |
| 38 | g_object_unref(s->a); |
| 39 | g_free(s); |
| 40 | } |
| 41 | |
| 42 | |
| 43 | void lttv_traceset_add(LttvTraceset *s, LttTrace *t) |
| 44 | { |
| 45 | g_ptr_array_add(s->traces, t); |
| 46 | g_ptr_array_add(s->attributes, g_object_new(LTTV_ATTRIBUTE_TYPE, NULL)); |
| 47 | } |
| 48 | |
| 49 | |
| 50 | unsigned lttv_traceset_number(LttvTraceset *s) |
| 51 | { |
| 52 | return s->traces->len; |
| 53 | } |
| 54 | |
| 55 | |
| 56 | LttTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
| 57 | { |
| 58 | g_assert(s->traces->len > i); |
| 59 | return ((LttTrace *)s->traces->pdata[i]); |
| 60 | } |
| 61 | |
| 62 | |
| 63 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
| 64 | { |
| 65 | g_ptr_array_remove_index(s->traces, i); |
| 66 | g_object_unref(s->attributes->pdata[i]); |
| 67 | g_ptr_array_remove_index(s->attributes,i); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | /* A set of attributes is attached to each trace set, trace and tracefile |
| 72 | to store user defined data as needed. */ |
| 73 | |
| 74 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) |
| 75 | { |
| 76 | return s->a; |
| 77 | } |
| 78 | |
| 79 | |
| 80 | LttvAttribute *lttv_traceset_trace_attribute(LttvTraceset *s, unsigned i) |
| 81 | { |
| 82 | return (LttvAttribute *)s->attributes->pdata[i]; |
| 83 | } |