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1 | |
2 | #include <lttv/processTrace.h> |
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3 | #include <ltt/event.h> |
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4 | #include <ltt/facility.h> |
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5 | |
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6 | void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts) |
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7 | { |
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8 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts); |
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9 | } |
10 | |
11 | |
12 | void lttv_context_fini(LttvTracesetContext *self) |
13 | { |
14 | LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self); |
15 | } |
16 | |
17 | |
18 | LttvTracesetContext * |
19 | lttv_context_new_traceset_context(LttvTracesetContext *self) |
20 | { |
21 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self); |
22 | } |
23 | |
24 | |
25 | |
26 | |
27 | LttvTraceContext * |
28 | lttv_context_new_trace_context(LttvTracesetContext *self) |
29 | { |
30 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
31 | } |
32 | |
33 | |
34 | LttvTracefileContext * |
35 | lttv_context_new_tracefile_context(LttvTracesetContext *self) |
36 | { |
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37 | return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
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38 | } |
39 | |
40 | |
41 | static void |
42 | init(LttvTracesetContext *self, LttvTraceset *ts) |
43 | { |
44 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
45 | |
46 | LttvTraceContext *tc; |
47 | |
48 | LttvTracefileContext *tfc; |
49 | |
50 | nb_trace = lttv_traceset_number(ts); |
51 | self->ts = ts; |
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52 | self->traces = g_new(LttvTraceContext *, nb_trace); |
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53 | self->before = lttv_hooks_new(); |
54 | self->after = lttv_hooks_new(); |
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55 | self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
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56 | for(i = 0 ; i < nb_trace ; i++) { |
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57 | tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self); |
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58 | self->traces[i] = tc; |
59 | |
60 | tc->ts_context = self; |
61 | tc->index = i; |
62 | tc->t = lttv_traceset_get(ts, i); |
63 | tc->check = lttv_hooks_new(); |
64 | tc->before = lttv_hooks_new(); |
65 | tc->after = lttv_hooks_new(); |
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66 | tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
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67 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
68 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
69 | nb_tracefile = nb_control + nb_per_cpu; |
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70 | tc->control_tracefiles = g_new(LttvTracefileContext *, nb_control); |
71 | tc->per_cpu_tracefiles = g_new(LttvTracefileContext *, nb_per_cpu); |
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72 | |
73 | for(j = 0 ; j < nb_tracefile ; j++) { |
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74 | tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self); |
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75 | if(j < nb_control) { |
76 | tc->control_tracefiles[j] = tfc; |
77 | tfc->control = TRUE; |
78 | tfc->index = j; |
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79 | tfc->tf = ltt_trace_control_tracefile_get(tc->t, j); |
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80 | } |
81 | else { |
82 | tc->per_cpu_tracefiles[j - nb_control] = tfc; |
83 | tfc->control = FALSE; |
84 | tfc->index = j - nb_control; |
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85 | tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control); |
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86 | } |
87 | tfc->t_context = tc; |
88 | tfc->check = lttv_hooks_new(); |
89 | tfc->before = lttv_hooks_new(); |
90 | tfc->after = lttv_hooks_new(); |
91 | tfc->check_event = lttv_hooks_new(); |
92 | tfc->before_event = lttv_hooks_new(); |
93 | tfc->before_event_by_id = lttv_hooks_by_id_new(); |
94 | tfc->after_event = lttv_hooks_new(); |
95 | tfc->after_event_by_id = lttv_hooks_by_id_new(); |
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96 | tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
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97 | } |
98 | } |
99 | } |
100 | |
101 | |
102 | void fini(LttvTracesetContext *self) |
103 | { |
104 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
105 | |
106 | LttvTraceContext *tc; |
107 | |
108 | LttvTracefileContext *tfc; |
109 | |
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110 | LttvTraceset *ts = self->ts; |
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111 | |
112 | lttv_hooks_destroy(self->before); |
113 | lttv_hooks_destroy(self->after); |
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114 | g_object_unref(self->a); |
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115 | |
116 | nb_trace = lttv_traceset_number(ts); |
117 | |
118 | for(i = 0 ; i < nb_trace ; i++) { |
119 | tc = self->traces[i]; |
120 | |
121 | lttv_hooks_destroy(tc->check); |
122 | lttv_hooks_destroy(tc->before); |
123 | lttv_hooks_destroy(tc->after); |
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124 | g_object_unref(tc->a); |
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125 | |
126 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
127 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
128 | nb_tracefile = nb_control + nb_per_cpu; |
129 | |
130 | for(j = 0 ; j < nb_tracefile ; j++) { |
131 | if(j < nb_control) tfc = tc->control_tracefiles[j]; |
132 | else tfc = tc->per_cpu_tracefiles[j - nb_control]; |
133 | |
134 | lttv_hooks_destroy(tfc->check); |
135 | lttv_hooks_destroy(tfc->before); |
136 | lttv_hooks_destroy(tfc->after); |
137 | lttv_hooks_destroy(tfc->check_event); |
138 | lttv_hooks_destroy(tfc->before_event); |
139 | lttv_hooks_by_id_destroy(tfc->before_event_by_id); |
140 | lttv_hooks_destroy(tfc->after_event); |
141 | lttv_hooks_by_id_destroy(tfc->after_event_by_id); |
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142 | g_object_unref(tfc->a); |
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143 | g_object_unref(tfc); |
144 | } |
145 | g_free(tc->control_tracefiles); |
146 | g_free(tc->per_cpu_tracefiles); |
147 | g_object_unref(tc); |
148 | } |
149 | g_free(self->traces); |
150 | } |
151 | |
152 | |
153 | void lttv_traceset_context_add_hooks(LttvTracesetContext *self, |
154 | LttvHooks *before_traceset, |
155 | LttvHooks *after_traceset, |
156 | LttvHooks *check_trace, |
157 | LttvHooks *before_trace, |
158 | LttvHooks *after_trace, |
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159 | LttvHooks *check_tracefile, |
160 | LttvHooks *before_tracefile, |
161 | LttvHooks *after_tracefile, |
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162 | LttvHooks *check_event, |
163 | LttvHooks *before_event, |
164 | LttvHooks *after_event) |
165 | { |
166 | LttvTraceset *ts = self->ts; |
167 | |
168 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
169 | |
170 | LttvTraceContext *tc; |
171 | |
172 | LttvTracefileContext *tfc; |
173 | |
174 | void *hook_data; |
175 | |
176 | lttv_hooks_add_list(self->before, before_traceset); |
177 | lttv_hooks_add_list(self->after, after_traceset); |
178 | nb_trace = lttv_traceset_number(ts); |
179 | |
180 | for(i = 0 ; i < nb_trace ; i++) { |
181 | tc = self->traces[i]; |
182 | lttv_hooks_add_list(tc->check, check_trace); |
183 | lttv_hooks_add_list(tc->before, before_trace); |
184 | lttv_hooks_add_list(tc->after, after_trace); |
185 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
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186 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
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187 | nb_tracefile = nb_control + nb_per_cpu; |
188 | |
189 | for(j = 0 ; j < nb_tracefile ; j++) { |
190 | if(j < nb_control) { |
191 | tfc = tc->control_tracefiles[j]; |
192 | } |
193 | else { |
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194 | tfc = tc->per_cpu_tracefiles[j-nb_control]; |
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195 | } |
196 | lttv_hooks_add_list(tfc->check, check_tracefile); |
197 | lttv_hooks_add_list(tfc->before, before_tracefile); |
198 | lttv_hooks_add_list(tfc->after, after_tracefile); |
199 | lttv_hooks_add_list(tfc->check_event, check_event); |
200 | lttv_hooks_add_list(tfc->before_event, before_event); |
201 | lttv_hooks_add_list(tfc->after_event, after_event); |
202 | } |
203 | } |
204 | } |
205 | |
206 | |
207 | void lttv_traceset_context_remove_hooks(LttvTracesetContext *self, |
208 | LttvHooks *before_traceset, |
209 | LttvHooks *after_traceset, |
210 | LttvHooks *check_trace, |
211 | LttvHooks *before_trace, |
212 | LttvHooks *after_trace, |
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213 | LttvHooks *check_tracefile, |
214 | LttvHooks *before_tracefile, |
215 | LttvHooks *after_tracefile, |
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216 | LttvHooks *check_event, |
217 | LttvHooks *before_event, |
218 | LttvHooks *after_event) |
219 | { |
220 | LttvTraceset *ts = self->ts; |
221 | |
222 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
223 | |
224 | LttvTraceContext *tc; |
225 | |
226 | LttvTracefileContext *tfc; |
227 | |
228 | void *hook_data; |
229 | |
230 | lttv_hooks_remove_list(self->before, before_traceset); |
231 | lttv_hooks_remove_list(self->after, after_traceset); |
232 | nb_trace = lttv_traceset_number(ts); |
233 | |
234 | for(i = 0 ; i < nb_trace ; i++) { |
235 | tc = self->traces[i]; |
236 | lttv_hooks_remove_list(tc->check, check_trace); |
237 | lttv_hooks_remove_list(tc->before, before_trace); |
238 | lttv_hooks_remove_list(tc->after, after_trace); |
239 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
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240 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
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241 | nb_tracefile = nb_control + nb_per_cpu; |
242 | |
243 | for(j = 0 ; j < nb_tracefile ; j++) { |
244 | if(j < nb_control) { |
245 | tfc = tc->control_tracefiles[j]; |
246 | } |
247 | else { |
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248 | tfc = tc->per_cpu_tracefiles[j-nb_control]; |
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249 | } |
250 | lttv_hooks_remove_list(tfc->check, check_tracefile); |
251 | lttv_hooks_remove_list(tfc->before, before_tracefile); |
252 | lttv_hooks_remove_list(tfc->after, after_tracefile); |
253 | lttv_hooks_remove_list(tfc->check_event, check_event); |
254 | lttv_hooks_remove_list(tfc->before_event, before_event); |
255 | lttv_hooks_remove_list(tfc->after_event, after_event); |
256 | } |
257 | } |
258 | } |
259 | |
260 | |
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261 | static LttvTracesetContext * |
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262 | new_traceset_context(LttvTracesetContext *self) |
263 | { |
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264 | return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL); |
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265 | } |
266 | |
267 | |
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268 | static LttvTraceContext * |
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269 | new_trace_context(LttvTracesetContext *self) |
270 | { |
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271 | return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL); |
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272 | } |
273 | |
274 | |
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275 | static LttvTracefileContext * |
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276 | new_tracefile_context(LttvTracesetContext *self) |
277 | { |
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278 | return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL); |
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279 | } |
280 | |
281 | |
282 | static void |
283 | traceset_context_instance_init (GTypeInstance *instance, gpointer g_class) |
284 | { |
285 | /* Be careful of anything which would not work well with shallow copies */ |
286 | } |
287 | |
288 | |
289 | static void |
290 | traceset_context_finalize (LttvTracesetContext *self) |
291 | { |
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292 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE))) |
293 | ->finalize(G_OBJECT(self)); |
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294 | } |
295 | |
296 | |
297 | static void |
298 | traceset_context_class_init (LttvTracesetContextClass *klass) |
299 | { |
300 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
301 | |
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302 | gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize; |
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303 | klass->init = init; |
304 | klass->fini = fini; |
305 | klass->new_traceset_context = new_traceset_context; |
306 | klass->new_trace_context = new_trace_context; |
307 | klass->new_tracefile_context = new_tracefile_context; |
308 | } |
309 | |
310 | |
311 | GType |
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312 | lttv_traceset_context_get_type(void) |
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313 | { |
314 | static GType type = 0; |
315 | if (type == 0) { |
316 | static const GTypeInfo info = { |
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317 | sizeof (LttvTracesetContextClass), |
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318 | NULL, /* base_init */ |
319 | NULL, /* base_finalize */ |
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320 | (GClassInitFunc) traceset_context_class_init, /* class_init */ |
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321 | NULL, /* class_finalize */ |
322 | NULL, /* class_data */ |
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323 | sizeof (LttvTracesetContext), |
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324 | 0, /* n_preallocs */ |
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325 | (GInstanceInitFunc) traceset_context_instance_init /* instance_init */ |
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326 | }; |
327 | |
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328 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType", |
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329 | &info, 0); |
330 | } |
331 | return type; |
332 | } |
333 | |
334 | |
335 | static void |
336 | trace_context_instance_init (GTypeInstance *instance, gpointer g_class) |
337 | { |
338 | /* Be careful of anything which would not work well with shallow copies */ |
339 | } |
340 | |
341 | |
342 | static void |
343 | trace_context_finalize (LttvTraceContext *self) |
344 | { |
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345 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))-> |
346 | finalize(G_OBJECT(self)); |
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347 | } |
348 | |
349 | |
350 | static void |
351 | trace_context_class_init (LttvTraceContextClass *klass) |
352 | { |
353 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
354 | |
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355 | gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize; |
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356 | } |
357 | |
358 | |
359 | GType |
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360 | lttv_trace_context_get_type(void) |
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361 | { |
362 | static GType type = 0; |
363 | if (type == 0) { |
364 | static const GTypeInfo info = { |
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365 | sizeof (LttvTraceContextClass), |
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366 | NULL, /* base_init */ |
367 | NULL, /* base_finalize */ |
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368 | (GClassInitFunc) trace_context_class_init, /* class_init */ |
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369 | NULL, /* class_finalize */ |
370 | NULL, /* class_data */ |
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371 | sizeof (LttvTraceContext), |
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372 | 0, /* n_preallocs */ |
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373 | (GInstanceInitFunc) trace_context_instance_init /* instance_init */ |
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374 | }; |
375 | |
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376 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType", |
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377 | &info, 0); |
378 | } |
379 | return type; |
380 | } |
381 | |
382 | |
383 | static void |
384 | tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class) |
385 | { |
386 | /* Be careful of anything which would not work well with shallow copies */ |
387 | } |
388 | |
389 | |
390 | static void |
391 | tracefile_context_finalize (LttvTracefileContext *self) |
392 | { |
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393 | G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE))) |
394 | ->finalize(G_OBJECT(self)); |
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395 | } |
396 | |
397 | |
398 | static void |
399 | tracefile_context_class_init (LttvTracefileContextClass *klass) |
400 | { |
401 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
402 | |
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403 | gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize; |
404 | } |
405 | |
406 | |
407 | GType |
408 | lttv_tracefile_context_get_type(void) |
409 | { |
410 | static GType type = 0; |
411 | if (type == 0) { |
412 | static const GTypeInfo info = { |
413 | sizeof (LttvTracefileContextClass), |
414 | NULL, /* base_init */ |
415 | NULL, /* base_finalize */ |
416 | (GClassInitFunc) tracefile_context_class_init, /* class_init */ |
417 | NULL, /* class_finalize */ |
418 | NULL, /* class_data */ |
419 | sizeof (LttvTracefileContext), |
420 | 0, /* n_preallocs */ |
421 | (GInstanceInitFunc) tracefile_context_instance_init /* instance_init */ |
422 | }; |
423 | |
424 | type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType", |
425 | &info, 0); |
426 | } |
427 | return type; |
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428 | } |
429 | |
430 | |
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431 | gint compare_tracefile(gconstpointer a, gconstpointer b) |
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432 | { |
ffd54a90 |
433 | if(((LttvTime *)a)->tv_sec > ((LttvTime *)b)->tv_sec) return 1; |
434 | if(((LttvTime *)a)->tv_sec < ((LttvTime *)b)->tv_sec) return -1; |
435 | if(((LttvTime *)a)->tv_nsec > ((LttvTime *)b)->tv_nsec) return 1; |
436 | if(((LttvTime *)a)->tv_nsec < ((LttvTime *)b)->tv_nsec) return -1; |
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437 | return 0; |
438 | } |
439 | |
440 | |
441 | gboolean get_first(gpointer key, gpointer value, gpointer user_data) { |
442 | *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value; |
443 | return TRUE; |
444 | } |
445 | |
446 | |
ffd54a90 |
447 | void lttv_process_trace(LttTime start, LttTime end, LttvTraceset *traceset, |
270e7cc5 |
448 | LttvTracesetContext *context, unsigned maxNumEvents) |
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449 | { |
450 | GPtrArray *traces = g_ptr_array_new(); |
451 | |
452 | GPtrArray *tracefiles = g_ptr_array_new(); |
453 | |
454 | GTree *pqueue = g_tree_new(compare_tracefile); |
455 | |
ffd54a90 |
456 | guint i, j, nbi, nbj, id, nb_control, nb_cpu; |
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457 | |
458 | LttTrace *trace; |
459 | |
460 | LttvTraceContext *tc; |
461 | |
462 | LttTracefile *tracefile; |
463 | |
464 | LttvTracefileContext *tfc; |
465 | |
466 | LttEvent *event; |
270e7cc5 |
467 | unsigned count = 0; |
468 | LttTime preTimestamp; |
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469 | |
470 | /* Call all before_traceset, before_trace, and before_tracefile hooks. |
471 | For all qualifying tracefiles, seek to the start time, create a context, |
472 | read one event and insert in the pqueue based on the event time. */ |
473 | |
474 | lttv_hooks_call(context->before, context); |
cbe7c836 |
475 | nbi = lttv_traceset_number(traceset); |
476 | // nbi = ltt_trace_set_number(traceset); |
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477 | |
478 | for(i = 0 ; i < nbi ; i++) { |
479 | tc = context->traces[i]; |
480 | trace = tc->t; |
481 | |
482 | if(!lttv_hooks_call_check(tc->check, tc)) { |
483 | g_ptr_array_add(traces, tc); |
484 | lttv_hooks_call(tc->before, tc); |
485 | nb_control = ltt_trace_control_tracefile_number(trace); |
486 | nb_cpu = ltt_trace_per_cpu_tracefile_number(trace); |
487 | nbj = nb_control + nb_cpu; |
488 | |
489 | for(j = 0 ; j < nbj ; j++) { |
490 | if(j < nb_control) { |
491 | tfc = tc->control_tracefiles[j]; |
492 | } |
493 | else { |
494 | tfc = tc->per_cpu_tracefiles[j - nb_control]; |
495 | } |
496 | |
497 | tracefile = tfc->tf; |
498 | |
499 | if(!lttv_hooks_call_check(tfc->check, tfc)) { |
500 | g_ptr_array_add(tracefiles, tfc); |
501 | lttv_hooks_call(tfc->before, tfc); |
502 | |
503 | ltt_tracefile_seek_time(tracefile, start); |
504 | event = ltt_tracefile_read(tracefile); |
505 | tfc->e = event; |
506 | |
507 | if(event != NULL) { |
ffd54a90 |
508 | tfc->timestamp = ltt_event_time(event); |
509 | g_tree_insert(pqueue, &(tfc->timestamp), tfc); |
dc877563 |
510 | } |
511 | } |
512 | } |
513 | } |
514 | } |
515 | |
516 | /* Get the next event from the pqueue, call its hooks, |
517 | reinsert in the pqueue the following event from the same tracefile |
518 | unless the tracefile is finished or the event is later than the |
519 | start time. */ |
520 | |
ffd54a90 |
521 | while(TRUE) { |
dc877563 |
522 | tfc = NULL; |
523 | g_tree_foreach(pqueue, get_first, &tfc); |
524 | if(tfc == NULL) break; |
525 | |
526 | /* Get the tracefile with an event for the smallest time found. If two |
527 | or more tracefiles have events for the same time, hope that lookup |
528 | and remove are consistent. */ |
529 | |
270e7cc5 |
530 | count++; |
531 | if(count > maxNumEvents){ |
532 | if(tfc->timestamp.tv_sec == preTimestamp.tv_sec && |
533 | tfc->timestamp.tv_nsec == preTimestamp.tv_nsec) { |
534 | count--; |
535 | }else{ |
536 | while(TRUE){ |
537 | tfc = NULL; |
538 | g_tree_foreach(pqueue, get_first, &tfc); |
539 | if(tfc == NULL) break; |
540 | g_tree_remove(pqueue, &(tfc->timestamp)); |
541 | } |
542 | break; |
543 | } |
544 | } |
545 | preTimestamp = tfc->timestamp; |
546 | |
ffd54a90 |
547 | tfc = g_tree_lookup(pqueue, &(tfc->timestamp)); |
548 | g_tree_remove(pqueue, &(tfc->timestamp)); |
dc877563 |
549 | |
b445142a |
550 | if(!lttv_hooks_call(tfc->check_event, tfc)) { |
cbe7c836 |
551 | id = ltt_event_eventtype_id(tfc->e); |
dc877563 |
552 | lttv_hooks_call(tfc->before_event, tfc); |
553 | lttv_hooks_call(lttv_hooks_by_id_get(tfc->before_event_by_id, id), tfc); |
b445142a |
554 | lttv_hooks_call(tfc->after_event, tfc); |
dc877563 |
555 | lttv_hooks_call(lttv_hooks_by_id_get(tfc->after_event_by_id, id), tfc); |
556 | } |
557 | |
558 | event = ltt_tracefile_read(tfc->tf); |
559 | if(event != NULL) { |
560 | tfc->e = event; |
ffd54a90 |
561 | tfc->timestamp = ltt_event_time(event); |
270e7cc5 |
562 | if(tfc->timestamp.tv_sec < end.tv_sec || |
563 | (tfc->timestamp.tv_sec == end.tv_sec && tfc->timestamp.tv_nsec <= end.tv_nsec)) |
564 | g_tree_insert(pqueue, &(tfc->timestamp), tfc); |
dc877563 |
565 | } |
566 | } |
567 | |
568 | /* Call all the after_tracefile, after_trace and after_traceset hooks. */ |
569 | |
570 | for(i = 0, j = 0 ; i < traces->len ; i++) { |
571 | tc = traces->pdata[i]; |
572 | while(j < tracefiles->len) { |
573 | tfc = tracefiles->pdata[j]; |
574 | |
575 | if(tfc->t_context == tc) { |
576 | lttv_hooks_call(tfc->after, tfc); |
577 | j++; |
578 | } |
579 | else break; |
580 | } |
581 | lttv_hooks_call(tc->after, tc); |
582 | } |
583 | |
584 | g_assert(j == tracefiles->len); |
ffd54a90 |
585 | lttv_hooks_call(context->after, context); |
dc877563 |
586 | |
587 | /* Free the traces, tracefiles and pqueue */ |
588 | |
589 | g_ptr_array_free(tracefiles, TRUE); |
590 | g_ptr_array_free(traces, TRUE); |
ffd54a90 |
591 | g_tree_destroy(pqueue); |
dc877563 |
592 | } |
b445142a |
593 | |
594 | static LttField * |
595 | find_field(LttEventType *et, const char *field) |
596 | { |
597 | LttType *t; |
598 | |
599 | LttField *f; |
600 | |
601 | guint i, nb; |
602 | |
603 | char *name; |
604 | |
605 | if(field == NULL) return NULL; |
606 | |
607 | f = ltt_eventtype_field(et); |
608 | t = ltt_eventtype_type(et); |
609 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
610 | nb = ltt_type_member_number(t); |
611 | for(i = 0 ; i < nb ; i++) { |
612 | ltt_type_member_type(t, i, &name); |
613 | if(strcmp(name, field) == 0) break; |
614 | } |
615 | g_assert(i < nb); |
616 | return ltt_field_member(f, i); |
617 | } |
618 | |
619 | |
620 | void |
621 | lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type, |
622 | char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th) |
623 | { |
624 | LttFacility *f; |
625 | |
626 | LttEventType *et; |
627 | |
628 | guint nb, pos, i; |
629 | |
630 | char *name; |
631 | |
632 | nb = ltt_trace_facility_find(t, facility, &pos); |
633 | if(nb < 1) g_error("No %s facility", facility); |
634 | f = ltt_trace_facility_get(t, pos); |
635 | et = ltt_facility_eventtype_get_by_name(f, event_type); |
636 | if(et == NULL) g_error("Event %s does not exist", event_type); |
637 | |
638 | th->h = h; |
639 | th->id = ltt_eventtype_id(et); |
640 | th->f1 = find_field(et, field1); |
641 | th->f2 = find_field(et, field2); |
642 | th->f3 = find_field(et, field3); |
643 | } |
644 | |
645 | |