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9c312311 | 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 | ||
4e4d11b3 | 19 | #ifdef HAVE_CONFIG_H |
20 | #include <config.h> | |
21 | #endif | |
dc877563 | 22 | |
23 | #include <lttv/traceset.h> | |
3e67c985 | 24 | #include <lttv/iattribute.h> |
7a4bdb54 YB |
25 | #include <lttv/state.h> |
26 | #include <lttv/hook.h> | |
f7afe191 | 27 | #include <stdio.h> |
cbb811b3 | 28 | #include <babeltrace/context.h> |
7a4bdb54 YB |
29 | #include <babeltrace/iterator.h> |
30 | #include <babeltrace/ctf/events.h> | |
dc877563 | 31 | /* A trace is a sequence of events gathered in the same tracing session. The |
32 | events may be stored in several tracefiles in the same directory. | |
33 | A trace set is defined when several traces are to be analyzed together, | |
34 | possibly to study the interactions between events in the different traces. | |
35 | */ | |
36 | ||
dc877563 | 37 | |
7a4bdb54 | 38 | LttvTraceset *lttv_traceset_new(void) |
dc877563 | 39 | { |
90e19f82 | 40 | LttvTraceset *s; |
7a4bdb54 | 41 | struct bt_iter_pos begin_pos; |
dc877563 | 42 | |
90e19f82 AM |
43 | s = g_new(LttvTraceset, 1); |
44 | s->filename = NULL; | |
45 | s->traces = g_ptr_array_new(); | |
cbb811b3 | 46 | s->context = bt_context_create(); |
90e19f82 | 47 | s->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
7a4bdb54 YB |
48 | //TODO remove this when we have really mecanism |
49 | //s->tmpState = g_new(LttvTraceState *, 1); | |
50 | //lttv_trace_state_init(s->tmpState,0); | |
51 | begin_pos.type = BT_SEEK_BEGIN; | |
52 | ||
53 | //s->iter = bt_ctf_iter_create(lttv_traceset_get_context(s), | |
54 | // &begin_pos, | |
55 | // NULL); | |
56 | s->iter = 0; | |
57 | s->event_hooks = lttv_hooks_new(); | |
58 | ||
59 | ||
60 | ||
61 | ||
90e19f82 | 62 | return s; |
dc877563 | 63 | } |
64 | ||
49bf71b5 | 65 | char * lttv_traceset_name(LttvTraceset * s) |
66 | { | |
90e19f82 | 67 | return s->filename; |
49bf71b5 | 68 | } |
69 | ||
2bc1bcfb | 70 | #ifdef BABEL_CLEANUP |
71 | LttvTrace *lttv_trace_new(LttTrace *t) | |
308711e5 | 72 | { |
90e19f82 | 73 | LttvTrace *new_trace; |
308711e5 | 74 | |
90e19f82 AM |
75 | new_trace = g_new(LttvTrace, 1); |
76 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
2bc1bcfb | 77 | new_trace->id = t; |
90e19f82 AM |
78 | new_trace->ref_count = 0; |
79 | return new_trace; | |
308711e5 | 80 | } |
2bc1bcfb | 81 | #endif |
308711e5 | 82 | |
2bc1bcfb | 83 | /* |
84 | * lttv_trace_create : Create a trace from a path | |
85 | * | |
86 | * ts is the traceset in which will be contained the trace | |
87 | * | |
88 | * path is the path where to find a trace. It is not recursive. | |
89 | * | |
90 | * This function is static since a trace should always be contained in a | |
91 | * traceset. | |
92 | * | |
93 | * return the created trace or NULL on failure | |
94 | */ | |
95 | static LttvTrace *lttv_trace_create(LttvTraceset *ts, const char *path) | |
96 | { | |
97 | int id = bt_context_add_trace(lttv_traceset_get_context(ts), | |
98 | path, | |
99 | "ctf", | |
100 | NULL, | |
101 | NULL, | |
102 | NULL); | |
103 | if (id < 0) { | |
104 | return NULL; | |
105 | } | |
106 | // Create the trace and save the trace handle id returned by babeltrace | |
107 | LttvTrace *new_trace; | |
108 | ||
109 | new_trace = g_new(LttvTrace, 1); | |
110 | new_trace->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); | |
111 | new_trace->id = id; | |
112 | new_trace->ref_count = 0; | |
7a4bdb54 YB |
113 | new_trace->traceset = ts; |
114 | new_trace->state = g_new(LttvTraceState,1); | |
115 | lttv_trace_state_init(new_trace->state,new_trace); | |
116 | ts->tmpState = new_trace->state; | |
2bc1bcfb | 117 | return new_trace; |
118 | } | |
119 | ||
120 | /* | |
121 | * lttv_trace_create : Create and add a single trace to a traceset | |
122 | * | |
123 | * ts is the traceset in which will be contained the trace | |
124 | * | |
125 | * path is the path where to find a trace. It is not recursive. | |
126 | * | |
127 | * return a positive integer (>=0)on success or -1 on failure | |
128 | */ | |
129 | static int lttv_traceset_create_trace(LttvTraceset *ts, const char *path) | |
130 | { | |
131 | LttvTrace *trace = lttv_trace_create(ts, path); | |
132 | if (trace == NULL) { | |
133 | return -1; | |
134 | } | |
135 | lttv_traceset_add(ts, trace); | |
136 | return 0; | |
137 | } | |
308711e5 | 138 | |
f7afe191 | 139 | LttvTraceset *lttv_traceset_copy(LttvTraceset *s_orig) |
140 | { | |
90e19f82 AM |
141 | guint i; |
142 | LttvTraceset *s; | |
143 | LttvTrace * trace; | |
f7afe191 | 144 | |
90e19f82 AM |
145 | s = g_new(LttvTraceset, 1); |
146 | s->filename = NULL; | |
147 | s->traces = g_ptr_array_new(); | |
148 | for(i=0;i<s_orig->traces->len;i++) | |
149 | { | |
150 | trace = g_ptr_array_index(s_orig->traces, i); | |
151 | trace->ref_count++; | |
2176f952 | 152 | |
7a4bdb54 | 153 | /* WARNING: this is an alias, not a copy. */ |
90e19f82 AM |
154 | g_ptr_array_add(s->traces, trace); |
155 | } | |
cbb811b3 YB |
156 | s->context = s_orig->context; |
157 | bt_context_get(s->context); | |
90e19f82 AM |
158 | s->a = LTTV_ATTRIBUTE(lttv_iattribute_deep_copy(LTTV_IATTRIBUTE(s_orig->a))); |
159 | return s; | |
f7afe191 | 160 | } |
dc877563 | 161 | |
f7afe191 | 162 | |
163 | LttvTraceset *lttv_traceset_load(const gchar *filename) | |
164 | { | |
90e19f82 AM |
165 | LttvTraceset *s = g_new(LttvTraceset,1); |
166 | FILE *tf; | |
f7afe191 | 167 | |
90e19f82 AM |
168 | s->filename = g_strdup(filename); |
169 | tf = fopen(filename,"r"); | |
170 | ||
171 | g_critical("NOT IMPLEMENTED : load traceset data from a XML file"); | |
172 | ||
173 | fclose(tf); | |
174 | return s; | |
f7afe191 | 175 | } |
176 | ||
177 | gint lttv_traceset_save(LttvTraceset *s) | |
178 | { | |
90e19f82 | 179 | FILE *tf; |
f7afe191 | 180 | |
90e19f82 | 181 | tf = fopen(s->filename, "w"); |
f7afe191 | 182 | |
90e19f82 AM |
183 | g_critical("NOT IMPLEMENTED : save traceset data in a XML file"); |
184 | ||
185 | fclose(tf); | |
186 | return 0; | |
f7afe191 | 187 | } |
308711e5 | 188 | |
ba576a78 | 189 | void lttv_traceset_destroy(LttvTraceset *s) |
dc877563 | 190 | { |
90e19f82 | 191 | guint i; |
5e2c04a2 | 192 | |
90e19f82 AM |
193 | for(i=0;i<s->traces->len;i++) { |
194 | LttvTrace *trace = g_ptr_array_index(s->traces, i); | |
195 | lttv_trace_unref(trace); | |
2bc1bcfb | 196 | // todo mdenis 2012-03-27: uncomment when babeltrace gets fixed |
197 | //bt_context_remove_trace(lttv_traceset_get_context(s), trace->id); | |
90e19f82 AM |
198 | if(lttv_trace_get_ref_number(trace) == 0) |
199 | lttv_trace_destroy(trace); | |
200 | } | |
201 | g_ptr_array_free(s->traces, TRUE); | |
cbb811b3 | 202 | bt_context_put(s->context); |
90e19f82 AM |
203 | g_object_unref(s->a); |
204 | g_free(s); | |
dc877563 | 205 | } |
206 | ||
922581a4 YB |
207 | struct bt_context *lttv_traceset_get_context(LttvTraceset *s) |
208 | { | |
209 | return s->context; | |
210 | } | |
211 | ||
7a4bdb54 YB |
212 | LttvTraceset *lttv_trace_get_traceset(LttvTrace *trace) |
213 | { | |
214 | return trace->traceset; | |
215 | } | |
216 | ||
217 | LttvHooks *lttv_traceset_get_hooks(LttvTraceset *s) | |
218 | { | |
219 | return s->event_hooks; | |
220 | } | |
221 | ||
308711e5 | 222 | void lttv_trace_destroy(LttvTrace *t) |
223 | { | |
90e19f82 AM |
224 | g_object_unref(t->a); |
225 | g_free(t); | |
308711e5 | 226 | } |
227 | ||
228 | ||
229 | void lttv_traceset_add(LttvTraceset *s, LttvTrace *t) | |
dc877563 | 230 | { |
90e19f82 AM |
231 | t->ref_count++; |
232 | g_ptr_array_add(s->traces, t); | |
dc877563 | 233 | } |
234 | ||
2bc1bcfb | 235 | int lttv_traceset_add_path(LttvTraceset *ts, const char *trace_path) |
236 | { | |
237 | // todo mdenis 2012-03-27: add trace recursively and update comment | |
238 | int ret = lttv_traceset_create_trace(ts, trace_path); | |
239 | return ret; | |
240 | } | |
dc877563 | 241 | |
242 | unsigned lttv_traceset_number(LttvTraceset *s) | |
243 | { | |
90e19f82 | 244 | return s->traces->len; |
dc877563 | 245 | } |
246 | ||
247 | ||
308711e5 | 248 | LttvTrace *lttv_traceset_get(LttvTraceset *s, unsigned i) |
dc877563 | 249 | { |
90e19f82 AM |
250 | g_assert(s->traces->len > i); |
251 | return ((LttvTrace *)s->traces->pdata[i]); | |
dc877563 | 252 | } |
253 | ||
254 | ||
ba576a78 | 255 | void lttv_traceset_remove(LttvTraceset *s, unsigned i) |
dc877563 | 256 | { |
90e19f82 AM |
257 | LttvTrace * t; |
258 | g_assert(s->traces->len > i); | |
259 | t = (LttvTrace *)s->traces->pdata[i]; | |
260 | t->ref_count--; | |
2bc1bcfb | 261 | bt_context_remove_trace(lttv_traceset_get_context(s), t->id); |
90e19f82 | 262 | g_ptr_array_remove_index(s->traces, i); |
dc877563 | 263 | } |
264 | ||
265 | ||
266 | /* A set of attributes is attached to each trace set, trace and tracefile | |
90e19f82 | 267 | to store user defined data as needed. */ |
dc877563 | 268 | |
269 | LttvAttribute *lttv_traceset_attribute(LttvTraceset *s) | |
270 | { | |
90e19f82 | 271 | return s->a; |
dc877563 | 272 | } |
273 | ||
274 | ||
308711e5 | 275 | LttvAttribute *lttv_trace_attribute(LttvTrace *t) |
276 | { | |
90e19f82 | 277 | return t->a; |
308711e5 | 278 | } |
279 | ||
2bc1bcfb | 280 | #ifdef BABEL_CLEANUP |
308711e5 | 281 | LttTrace *lttv_trace(LttvTrace *t) |
dc877563 | 282 | { |
90e19f82 | 283 | return t->t; |
dc877563 | 284 | } |
2bc1bcfb | 285 | #endif |
286 | ||
287 | gint lttv_trace_get_id(LttvTrace *t) | |
288 | { | |
289 | return t->id; | |
290 | } | |
308711e5 | 291 | |
2176f952 | 292 | guint lttv_trace_get_ref_number(LttvTrace * t) |
293 | { | |
2bc1bcfb | 294 | // todo mdenis: adapt to babeltrace |
90e19f82 | 295 | return t->ref_count; |
2176f952 | 296 | } |
a43d67ba | 297 | |
298 | guint lttv_trace_ref(LttvTrace * t) | |
299 | { | |
90e19f82 AM |
300 | t->ref_count++; |
301 | ||
302 | return t->ref_count; | |
a43d67ba | 303 | } |
304 | ||
305 | guint lttv_trace_unref(LttvTrace * t) | |
306 | { | |
90e19f82 AM |
307 | if(likely(t->ref_count > 0)) |
308 | t->ref_count--; | |
a43d67ba | 309 | |
90e19f82 | 310 | return t->ref_count; |
a43d67ba | 311 | } |
312 | ||
7a4bdb54 YB |
313 | guint lttv_trace_get_num_cpu(LttvTrace *t) |
314 | { | |
315 | #warning "TODO - Set the right number of CPU" | |
316 | return 24; | |
317 | } | |
318 | ||
319 | LttvTracesetPosition *lttv_traceset_create_position(LttvTraceset *traceset) | |
320 | { | |
321 | #warning "TODO" | |
322 | return NULL; | |
323 | } | |
324 | ||
325 | void lttv_traceset_destroy_position(LttvTracesetPosition *traceset_pos) | |
326 | { | |
327 | #warning "TODO" | |
328 | return NULL; | |
329 | } | |
330 | ||
331 | void lttv_traceset_seek_to_position(LttvTracesetPosition *traceset_pos) | |
332 | { | |
333 | #warning "TODO" | |
334 | } | |
335 | ||
336 | guint lttv_traceset_get_cpuid_from_event(LttvEvent *event) | |
337 | { | |
338 | struct definition *scope; | |
339 | unsigned long timestamp; | |
340 | unsigned int cpu_id; | |
341 | ||
342 | struct bt_ctf_event *ctf_event = event->bt_event; | |
343 | timestamp = bt_ctf_get_timestamp(ctf_event); | |
344 | if (timestamp == -1ULL) { | |
345 | return 0; | |
346 | } | |
347 | scope = bt_ctf_get_top_level_scope(ctf_event, BT_STREAM_PACKET_CONTEXT); | |
348 | if (bt_ctf_field_get_error()) { | |
349 | return 0; | |
350 | } | |
351 | cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(ctf_event, scope, "cpu_id")); | |
352 | if (bt_ctf_field_get_error()) { | |
353 | return 0; | |
354 | } else { | |
355 | return cpu_id; | |
356 | } | |
357 | } | |
358 | ||
359 | const char *lttv_traceset_get_name_from_event(LttvEvent *event) | |
360 | { | |
361 | return bt_ctf_event_name(event->bt_event); | |
362 | } |