| 1 | /* This file is part of the Linux Trace Toolkit viewer |
| 2 | * Copyright (C) 2003-2004 Michel Dagenais |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License Version 2 as |
| 6 | * published by the Free Software Foundation; |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 16 | * MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef TRACESET_H |
| 20 | #define TRACESET_H |
| 21 | |
| 22 | #include <lttv/attribute.h> |
| 23 | #include <lttv/hook.h> |
| 24 | #include <lttv/event.h> |
| 25 | #include <ltt/ltt.h> |
| 26 | #include <ltt/time.h> |
| 27 | #include <lttv/trace.h> |
| 28 | /* A traceset is a set of traces to be analyzed together. */ |
| 29 | |
| 30 | typedef struct _LttvTraceset LttvTraceset; |
| 31 | |
| 32 | typedef struct _LttvTracesetPosition LttvTracesetPosition; |
| 33 | |
| 34 | struct bt_context; |
| 35 | |
| 36 | |
| 37 | //TODO ybrosseau 2012-05-15 put these struct in the .c to make them opaque |
| 38 | struct _LttvTraceset { |
| 39 | char * filename; |
| 40 | GPtrArray *traces; /* Array of pointers to LttvTrace */ |
| 41 | struct bt_context *context; |
| 42 | LttvAttribute *a; |
| 43 | LttvHooks *event_hooks; |
| 44 | struct bt_ctf_iter *iter; |
| 45 | GPtrArray *state_trace_handle_index; |
| 46 | gboolean has_precomputed_states; |
| 47 | TimeInterval time_span; |
| 48 | }; |
| 49 | |
| 50 | struct _LttvTrace { |
| 51 | // Trace id for babeltrace |
| 52 | LttvTraceset *traceset; /* container traceset */ |
| 53 | gint id; |
| 54 | LttvAttribute *a; |
| 55 | guint ref_count; |
| 56 | LttvTraceState *state; |
| 57 | }; |
| 58 | |
| 59 | /* In babeltrace, the position concept is an iterator. */ |
| 60 | struct _LttvTracesetPosition { |
| 61 | struct bt_ctf_iter *iter; |
| 62 | struct bt_iter_pos *bt_pos; |
| 63 | guint64 timestamp; |
| 64 | int cpu_id; |
| 65 | }; |
| 66 | |
| 67 | /* Tracesets may be added to, removed from and their content listed. */ |
| 68 | |
| 69 | LttvTraceset *lttv_traceset_new(void); |
| 70 | |
| 71 | char * lttv_traceset_name(LttvTraceset * s); |
| 72 | |
| 73 | #ifdef BABEL_CLEANUP |
| 74 | LttvTrace *lttv_trace_new(LttTrace *t); |
| 75 | #endif |
| 76 | |
| 77 | void get_absolute_pathname(const gchar *pathname, gchar * abs_pathname); |
| 78 | |
| 79 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig); |
| 80 | |
| 81 | LttvTraceset *lttv_traceset_load(const gchar *filename); |
| 82 | |
| 83 | struct bt_context *lttv_traceset_get_context(LttvTraceset *s); |
| 84 | |
| 85 | |
| 86 | |
| 87 | gint lttv_traceset_save(LttvTraceset *s); |
| 88 | |
| 89 | void lttv_traceset_destroy(LttvTraceset *s); |
| 90 | |
| 91 | LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s); |
| 92 | |
| 93 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t); |
| 94 | |
| 95 | /* |
| 96 | * lttv_trace_create : Add all traces recursively to a traceset from a path |
| 97 | * |
| 98 | * |
| 99 | * ts is the traceset in which will be contained the traces |
| 100 | * |
| 101 | * trace_path is the path where to find a set of trace. |
| 102 | * Traverse the path recursively to add all traces within. |
| 103 | * |
| 104 | * return 0 on success or a negative integer on failure |
| 105 | */ |
| 106 | int lttv_traceset_add_path(LttvTraceset *ts, char *path); |
| 107 | |
| 108 | unsigned lttv_traceset_number(LttvTraceset *s); |
| 109 | |
| 110 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i); |
| 111 | |
| 112 | void lttv_traceset_remove(LttvTraceset *s, unsigned i); |
| 113 | |
| 114 | /* An attributes table is attached to the set and to each trace in the set. */ |
| 115 | |
| 116 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s); |
| 117 | |
| 118 | /* Take a position snapshot */ |
| 119 | LttvTracesetPosition *lttv_traceset_create_current_position(LttvTraceset *traceset); |
| 120 | |
| 121 | /* Destroy position snapshot */ |
| 122 | void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos); |
| 123 | |
| 124 | void lttv_traceset_seek_to_position(const LttvTracesetPosition *traceset_pos); |
| 125 | |
| 126 | guint lttv_traceset_get_cpuid_from_event(LttvEvent *event); |
| 127 | /* Returns the minimum timestamp of the traces in the traceset */ |
| 128 | guint64 lttv_traceset_get_timestamp_begin(LttvTraceset *traceset); |
| 129 | /* Returns the maximum timestamp of the traces in the traceset */ |
| 130 | guint64 lttv_traceset_get_timestamp_end(LttvTraceset *traceset); |
| 131 | /* Return a TimeInterval from timestamp of the first event to the last event [experimentale]*/ |
| 132 | TimeInterval lttv_traceset_get_time_span_real(LttvTraceset *ts); |
| 133 | /* Returns a TimeInterval struct that represents the min and max of the traceset */ |
| 134 | TimeInterval lttv_traceset_get_time_span(LttvTraceset *traceset); |
| 135 | |
| 136 | const char *lttv_traceset_get_name_from_event(LttvEvent *event); |
| 137 | |
| 138 | LttvTracesetPosition *lttv_traceset_create_time_position(LttvTraceset *ts, LttTime timestamp); |
| 139 | |
| 140 | guint64 lttv_traceset_position_get_timestamp(const LttvTracesetPosition *pos); |
| 141 | |
| 142 | LttTime lttv_traceset_position_get_time(const LttvTracesetPosition *pos); |
| 143 | |
| 144 | LttTime lttv_traceset_get_current_time(const LttvTraceset *ts); |
| 145 | |
| 146 | int lttv_traceset_position_compare(const LttvTracesetPosition *pos1, const LttvTracesetPosition *pos2); |
| 147 | |
| 148 | int lttv_traceset_position_time_compare(const LttvTracesetPosition *pos1, |
| 149 | const LttvTracesetPosition *pos2); |
| 150 | |
| 151 | int lttv_traceset_position_compare_current(const LttvTraceset *ts, |
| 152 | const LttvTracesetPosition *pos); |
| 153 | |
| 154 | #endif // TRACESET_H |