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1 | |
2 | #include <lttv/state.h> |
ba576a78 |
3 | #include <ltt/facility.h> |
4 | #include <ltt/trace.h> |
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5 | |
ffd54a90 |
6 | LttvInterruptType |
7 | LTTV_STATE_USER_MODE, |
8 | LTTV_STATE_SYSCALL, |
9 | LTTV_STATE_TRAP, |
10 | LTTV_STATE_IRQ; |
11 | |
12 | |
13 | LttvProcessStatus |
14 | LTTV_STATE_UNNAMED, |
15 | LTTV_STATE_WAIT_FORK, |
16 | LTTV_STATE_WAIT_CPU, |
17 | LTTV_STATE_EXIT, |
18 | LTTV_STATE_WAIT, |
19 | LTTV_STATE_RUN; |
20 | |
ba576a78 |
21 | static GQuark |
22 | LTTV_STATE_HOOKS; |
23 | |
24 | void remove_all_processes(GHashTable *processes); |
25 | |
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26 | LttvProcessState *create_process(LttvTracefileState *tfs, |
27 | LttvProcessState *parent, guint pid); |
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28 | |
29 | static void |
30 | init(LttvTracesetState *self, LttvTraceset *ts) |
31 | { |
32 | guint i, j, nb_trace, nb_tracefile; |
33 | |
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34 | LttvTraceContext *tc; |
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35 | |
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36 | LttvTraceState *tcs; |
37 | |
38 | LttvTracefileContext *tfc; |
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39 | |
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40 | LttvTracefileState *tfcs; |
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41 | |
42 | LttTime timestamp = {0,0}; |
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43 | |
44 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self)))->init((LttvTracesetContext *)self, ts); |
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45 | |
46 | nb_trace = lttv_traceset_number(ts); |
47 | for(i = 0 ; i < nb_trace ; i++) { |
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48 | tcs = (LttvTraceState *)tc = (LTTV_TRACESET_CONTEXT(self)->traces[i]); |
49 | tcs->processes = g_hash_table_new(g_direct_hash, g_direct_equal); |
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50 | |
51 | nb_tracefile = ltt_trace_control_tracefile_number(tc->t); |
52 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
53 | tfcs = (LttvTracefileState *)tfc = tc->control_tracefiles[j]; |
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54 | tfc->timestamp = timestamp; |
55 | tfcs->process = create_process(tfcs, NULL,0); |
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56 | } |
57 | |
58 | nb_tracefile = ltt_trace_per_cpu_tracefile_number(tc->t); |
59 | for(j = 0 ; j < nb_tracefile ; j++) { |
ffd54a90 |
60 | tfcs = (LttvTracefileState *)tfc = tc->per_cpu_tracefiles[j]; |
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61 | tfc->timestamp = timestamp; |
62 | tfcs->process = create_process(tfcs, NULL,0); |
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63 | } |
64 | } |
65 | } |
66 | |
67 | |
68 | static void |
69 | fini(LttvTracesetState *self) |
70 | { |
71 | guint i, j, nb_trace, nb_tracefile; |
72 | |
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73 | LttvTraceState *tcs; |
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74 | |
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75 | LttvTracefileState *tfcs; |
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76 | |
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77 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
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78 | for(i = 0 ; i < nb_trace ; i++) { |
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79 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
80 | remove_all_processes(tcs->processes); |
81 | g_hash_table_destroy(tcs->processes); |
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82 | } |
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83 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self)))->fini((LttvTracesetContext *)self); |
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84 | } |
85 | |
86 | |
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87 | static LttvTracesetContext * |
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88 | new_traceset_context(LttvTracesetContext *self) |
89 | { |
ffd54a90 |
90 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
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91 | } |
92 | |
93 | |
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94 | static LttvTraceContext * |
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95 | new_trace_context(LttvTracesetContext *self) |
96 | { |
ffd54a90 |
97 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
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98 | } |
99 | |
100 | |
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101 | static LttvTracefileContext * |
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102 | new_tracefile_context(LttvTracesetContext *self) |
103 | { |
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104 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
105 | } |
106 | |
107 | |
108 | static void |
109 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
110 | { |
111 | } |
112 | |
113 | |
114 | static void |
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115 | traceset_state_finalize (LttvTracesetState *self) |
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116 | { |
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117 | G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACESET_STATE_GET_CLASS(self))))->finalize(G_OBJECT(self)); |
ffd54a90 |
118 | } |
119 | |
120 | |
121 | static void |
122 | traceset_state_class_init (LttvTracesetContextClass *klass) |
123 | { |
124 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
125 | |
126 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
127 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
128 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
129 | klass->new_traceset_context = new_traceset_context; |
130 | klass->new_trace_context = new_trace_context; |
131 | klass->new_tracefile_context = new_tracefile_context; |
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132 | } |
133 | |
134 | |
135 | GType |
136 | lttv_traceset_state_get_type(void) |
137 | { |
138 | static GType type = 0; |
139 | if (type == 0) { |
140 | static const GTypeInfo info = { |
141 | sizeof (LttvTracesetStateClass), |
142 | NULL, /* base_init */ |
143 | NULL, /* base_finalize */ |
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144 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
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145 | NULL, /* class_finalize */ |
146 | NULL, /* class_data */ |
147 | sizeof (LttvTracesetContext), |
148 | 0, /* n_preallocs */ |
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149 | (GInstanceInitFunc) traceset_state_instance_init /* instance_init */ |
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150 | }; |
151 | |
152 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
153 | &info, 0); |
154 | } |
155 | return type; |
156 | } |
157 | |
158 | |
159 | static void |
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160 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
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161 | { |
162 | } |
163 | |
164 | |
165 | static void |
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166 | trace_state_finalize (LttvTraceState *self) |
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167 | { |
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168 | G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACE_STATE_GET_CLASS(self))))->finalize(G_OBJECT(self)); |
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169 | } |
170 | |
171 | |
172 | static void |
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173 | trace_state_class_init (LttvTraceContextClass *klass) |
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174 | { |
175 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
176 | |
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177 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
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178 | } |
179 | |
180 | |
181 | GType |
182 | lttv_trace_state_get_type(void) |
183 | { |
184 | static GType type = 0; |
185 | if (type == 0) { |
186 | static const GTypeInfo info = { |
187 | sizeof (LttvTraceStateClass), |
188 | NULL, /* base_init */ |
189 | NULL, /* base_finalize */ |
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190 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
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191 | NULL, /* class_finalize */ |
192 | NULL, /* class_data */ |
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193 | sizeof (LttvTraceState), |
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194 | 0, /* n_preallocs */ |
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195 | (GInstanceInitFunc) trace_state_instance_init /* instance_init */ |
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196 | }; |
197 | |
198 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
199 | "LttvTraceStateType", &info, 0); |
200 | } |
201 | return type; |
202 | } |
203 | |
204 | |
205 | static void |
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206 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
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207 | { |
208 | } |
209 | |
210 | |
211 | static void |
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212 | tracefile_state_finalize (LttvTracefileState *self) |
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213 | { |
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214 | G_OBJECT_CLASS(g_type_class_peek_parent(g_type_class_peek_parent(LTTV_TRACEFILE_STATE_GET_CLASS(self))))->finalize(G_OBJECT(self)); |
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215 | } |
216 | |
217 | |
218 | static void |
ffd54a90 |
219 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
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220 | { |
221 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
222 | |
ffd54a90 |
223 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
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224 | } |
225 | |
226 | |
227 | GType |
228 | lttv_tracefile_state_get_type(void) |
229 | { |
230 | static GType type = 0; |
231 | if (type == 0) { |
232 | static const GTypeInfo info = { |
233 | sizeof (LttvTracefileStateClass), |
234 | NULL, /* base_init */ |
235 | NULL, /* base_finalize */ |
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236 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
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237 | NULL, /* class_finalize */ |
238 | NULL, /* class_data */ |
239 | sizeof (LttvTracefileState), |
240 | 0, /* n_preallocs */ |
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241 | (GInstanceInitFunc) tracefile_state_instance_init /* instance_init */ |
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242 | }; |
243 | |
244 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
245 | "LttvTracefileStateType", &info, 0); |
246 | } |
247 | return type; |
248 | } |
249 | |
250 | |
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251 | struct HookData { |
252 | LttField *f1; |
253 | LttField *f2; |
254 | LttField *f3; |
ffd54a90 |
255 | }; |
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256 | |
257 | |
258 | struct HookId { |
259 | LttvHook h; |
260 | guint id; |
261 | void *hook_data; |
262 | gboolean free_hook_data; |
ffd54a90 |
263 | }; |
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264 | |
265 | |
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266 | static void push_state(LttvTracefileState *tfs, LttvInterruptType t, |
267 | guint state_id) |
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268 | { |
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269 | LttvInterruptState *intr; |
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270 | |
271 | LttvProcessState *process = tfs->process; |
272 | |
273 | guint depth = process->interrupt_stack->len; |
274 | |
275 | g_array_set_size(process->interrupt_stack, depth + 1); |
276 | intr = &g_array_index(process->interrupt_stack, LttvInterruptState, depth); |
277 | intr->t = t; |
278 | intr->n = state_id; |
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279 | intr->entry = intr->last_change = LTTV_TRACEFILE_CONTEXT(tfs)->timestamp; |
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280 | intr->s = process->state->s; |
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281 | process->state = intr; |
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282 | } |
283 | |
284 | |
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285 | static void pop_state(LttvTracefileState *tfs, LttvInterruptType t) |
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286 | { |
287 | LttvProcessState *process = tfs->process; |
288 | |
289 | guint depth = process->interrupt_stack->len - 1; |
290 | |
3d27549e |
291 | // g_assert(process->state->t == t); |
292 | if(process->state->t != t){ |
293 | g_warning("Different interrupt type: ignore it\n"); |
8e8e6b64 |
294 | g_warning("process state has %s when pop_int is %s\n", |
295 | g_quark_to_string(process->state->t), |
296 | g_quark_to_string(t)); |
297 | g_warning("{ %u, %u, %s, %s }\n", |
298 | process->pid, |
299 | process->ppid, |
300 | g_quark_to_string(process->name), |
301 | g_quark_to_string(process->state->s)); |
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302 | return; |
303 | } |
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304 | g_array_remove_index(process->interrupt_stack, depth); |
305 | depth--; |
306 | process->state = &g_array_index(process->interrupt_stack, LttvInterruptState, |
307 | depth); |
308 | } |
309 | |
310 | |
ffd54a90 |
311 | LttvProcessState *create_process(LttvTracefileState *tfs, |
312 | LttvProcessState *parent, guint pid) |
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313 | { |
314 | LttvProcessState *process = g_new(LttvProcessState, 1); |
315 | |
316 | LttvInterruptState *intr; |
317 | |
ffd54a90 |
318 | LttvTraceContext *tc; |
319 | |
ba576a78 |
320 | LttvTraceState *tcs; |
321 | |
322 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfs); |
ffd54a90 |
323 | |
ba576a78 |
324 | tcs = (LttvTraceState *)tc = tfc->t_context; |
ffd54a90 |
325 | |
326 | g_hash_table_insert(tcs->processes, GUINT_TO_POINTER(pid), process); |
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327 | process->pid = pid; |
0ac02254 |
328 | if(parent) process->ppid = parent->pid; |
8e8e6b64 |
329 | else process->ppid = 0; |
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330 | process->birth = tfc->timestamp; |
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331 | process->name = LTTV_STATE_UNNAMED; |
332 | process->interrupt_stack = g_array_new(FALSE, FALSE, |
333 | sizeof(LttvInterruptState)); |
334 | g_array_set_size(process->interrupt_stack, 1); |
ffd54a90 |
335 | intr = process->state = &g_array_index(process->interrupt_stack, |
336 | LttvInterruptState, 0); |
ba576a78 |
337 | intr->t = LTTV_STATE_USER_MODE; |
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338 | intr->n = 0; |
ba576a78 |
339 | intr->entry = tfc->timestamp; |
340 | intr->last_change = tfc->timestamp; |
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341 | intr->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
342 | |
343 | return process; |
dc877563 |
344 | } |
345 | |
346 | |
ba576a78 |
347 | LttvProcessState *find_process(LttvTracefileState *tfs, guint pid) |
dc877563 |
348 | { |
ba576a78 |
349 | LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; |
350 | LttvProcessState *process = g_hash_table_lookup(ts->processes, |
351 | GUINT_TO_POINTER(pid)); |
dc877563 |
352 | if(process == NULL) process = create_process(tfs, NULL, pid); |
353 | return process; |
354 | } |
355 | |
356 | |
ba576a78 |
357 | void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
358 | { |
ba576a78 |
359 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
360 | |
361 | g_hash_table_remove(ts->processes, GUINT_TO_POINTER(process->pid)); |
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362 | g_array_free(process->interrupt_stack, TRUE); |
363 | g_free(process); |
364 | } |
365 | |
366 | |
367 | void free_process_state(gpointer key, gpointer value, gpointer user_data) |
368 | { |
369 | g_array_free(((LttvProcessState *)value)->interrupt_stack, TRUE); |
370 | g_free(value); |
371 | } |
372 | |
373 | |
374 | void remove_all_processes(GHashTable *processes) |
375 | { |
376 | g_hash_table_foreach(processes, free_process_state, NULL); |
377 | } |
378 | |
379 | |
380 | gboolean syscall_entry(void *hook_data, void *call_data) |
381 | { |
382 | LttField *f = (LttField *)hook_data; |
383 | |
ba576a78 |
384 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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385 | |
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386 | push_state(s, LTTV_STATE_SYSCALL, ltt_event_get_unsigned( |
387 | LTTV_TRACEFILE_CONTEXT(s)->e, f)); |
dc877563 |
388 | return FALSE; |
389 | } |
390 | |
391 | |
392 | gboolean syscall_exit(void *hook_data, void *call_data) |
393 | { |
ba576a78 |
394 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
395 | |
ffd54a90 |
396 | pop_state(s, LTTV_STATE_SYSCALL); |
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397 | return FALSE; |
398 | } |
399 | |
400 | |
401 | gboolean trap_entry(void *hook_data, void *call_data) |
402 | { |
403 | LttField *f = (LttField *)hook_data; |
404 | |
ba576a78 |
405 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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406 | |
ba576a78 |
407 | push_state(s, LTTV_STATE_TRAP, ltt_event_get_unsigned(s->parent.e, f)); |
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408 | return FALSE; |
409 | } |
410 | |
411 | |
412 | gboolean trap_exit(void *hook_data, void *call_data) |
413 | { |
ba576a78 |
414 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
415 | |
ffd54a90 |
416 | pop_state(s, LTTV_STATE_TRAP); |
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417 | return FALSE; |
418 | } |
419 | |
420 | |
421 | gboolean irq_entry(void *hook_data, void *call_data) |
422 | { |
423 | LttField *f = (LttField *)hook_data; |
424 | |
ba576a78 |
425 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
426 | |
427 | /* Do something with the info about being in user or system mode when int? */ |
ba576a78 |
428 | push_state(s, LTTV_STATE_IRQ, ltt_event_get_unsigned(s->parent.e, f)); |
dc877563 |
429 | return FALSE; |
430 | } |
431 | |
432 | |
433 | gboolean irq_exit(void *hook_data, void *call_data) |
434 | { |
ba576a78 |
435 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
436 | |
ffd54a90 |
437 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
438 | return FALSE; |
439 | } |
440 | |
441 | |
442 | gboolean schedchange(void *hook_data, void *call_data) |
443 | { |
444 | struct HookData *h = (struct HookData *)hook_data; |
445 | |
ba576a78 |
446 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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447 | |
448 | guint pid_in, pid_out, state_out; |
449 | |
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450 | pid_in = ltt_event_get_unsigned(s->parent.e, h->f1); |
451 | pid_out = ltt_event_get_unsigned(s->parent.e, h->f2); |
452 | state_out = ltt_event_get_unsigned(s->parent.e, h->f3); |
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453 | if(s->process != NULL) { |
ffd54a90 |
454 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
455 | else if(s->process->state->s == LTTV_STATE_EXIT) |
ba576a78 |
456 | exit_process(s, s->process); |
ffd54a90 |
457 | else s->process->state->s = LTTV_STATE_WAIT; |
3d27549e |
458 | |
459 | if(s->process->pid == 0) |
460 | s->process->pid == pid_out; |
dc877563 |
461 | } |
ba576a78 |
462 | s->process = find_process(s, pid_in); |
ffd54a90 |
463 | s->process->state->s = LTTV_STATE_RUN; |
dc877563 |
464 | return FALSE; |
465 | } |
466 | |
467 | |
468 | gboolean process_fork(void *hook_data, void *call_data) |
469 | { |
470 | LttField *f = (LttField *)hook_data; |
471 | |
ba576a78 |
472 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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473 | |
474 | guint child_pid; |
475 | |
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476 | child_pid = ltt_event_get_unsigned(s->parent.e, f); |
ba576a78 |
477 | create_process(s, s->process, child_pid); |
dc877563 |
478 | return FALSE; |
479 | } |
480 | |
481 | |
482 | gboolean process_exit(void *hook_data, void *call_data) |
483 | { |
ba576a78 |
484 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
485 | |
486 | if(s->process != NULL) { |
ffd54a90 |
487 | s->process->state->s = LTTV_STATE_EXIT; |
dc877563 |
488 | } |
489 | return FALSE; |
490 | } |
491 | |
492 | |
493 | static LttField * |
494 | find_field(LttEventType *et, const char *field) |
495 | { |
496 | LttType *t; |
497 | |
498 | LttField *f; |
499 | |
500 | guint i, nb; |
501 | |
502 | char *name; |
503 | |
504 | if(field == NULL) return NULL; |
505 | |
506 | f = ltt_eventtype_field(et); |
507 | t = ltt_eventtype_type(et); |
508 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
509 | nb = ltt_type_member_number(t); |
510 | for(i = 0 ; i < nb ; i++) { |
511 | ltt_type_member_type(t, i, &name); |
512 | if(strcmp(name, field) == 0) break; |
513 | } |
514 | g_assert(i < nb); |
515 | return ltt_field_member(f, i); |
516 | } |
517 | |
518 | |
ba576a78 |
519 | static struct HookId |
520 | find_hook(LttTrace *t, char *facility, char *event, |
521 | char *field1, char *field2, char *field3, LttvHook h) |
dc877563 |
522 | { |
523 | LttFacility *f; |
524 | |
525 | LttEventType *et; |
526 | |
527 | guint nb, pos, i; |
528 | |
529 | struct HookId hook_id; |
530 | |
531 | struct HookData hook_data, *phook_data; |
532 | |
533 | char *name; |
534 | |
535 | nb = ltt_trace_facility_find(t, facility, &pos); |
536 | if(nb < 1) g_error("No %s facility", facility); |
ba576a78 |
537 | f = ltt_trace_facility_get(t, pos); |
538 | et = ltt_facility_eventtype_get_by_name(f, event); |
dc877563 |
539 | if(et == NULL) g_error("Event %s does not exist", event); |
540 | |
c432246e |
541 | hook_id.id = ltt_eventtype_id(et); |
dc877563 |
542 | hook_id.h = h; |
543 | hook_id.free_hook_data = FALSE; |
544 | hook_data.f1 = find_field(et, field1); |
545 | hook_data.f2 = find_field(et, field2); |
546 | hook_data.f3 = find_field(et, field3); |
ba576a78 |
547 | if(hook_data.f1 == NULL) hook_id.hook_data = NULL; |
548 | else if(hook_data.f2 == NULL) hook_id.hook_data = hook_data.f1; |
dc877563 |
549 | else { |
550 | phook_data = g_new(struct HookData, 1); |
551 | *phook_data = hook_data; |
552 | hook_id.hook_data = phook_data; |
553 | hook_id.free_hook_data = TRUE; |
554 | } |
555 | return hook_id; |
556 | } |
557 | |
558 | |
559 | lttv_state_add_event_hooks(LttvTracesetState *self) |
560 | { |
ba576a78 |
561 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
562 | |
ba576a78 |
563 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
564 | |
565 | LttFacility *f; |
566 | |
567 | LttEventType *et; |
568 | |
ba576a78 |
569 | LttvTraceState *ts; |
dc877563 |
570 | |
ba576a78 |
571 | LttvTracefileState *tfs; |
dc877563 |
572 | |
573 | void *hook_data; |
574 | |
575 | GArray *hooks; |
576 | |
577 | struct HookId hook_id; |
578 | |
579 | LttvAttributeValue val; |
580 | |
ba576a78 |
581 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
582 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
583 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
584 | |
585 | /* Find the eventtype id for the following events and register the |
586 | associated by id hooks. */ |
587 | |
ba576a78 |
588 | hooks = g_array_new(FALSE, FALSE, sizeof(struct HookId)); |
cbe7c836 |
589 | hook_id = find_hook(ts->parent.t, "core","syscall_entry","syscall_id", |
590 | NULL, NULL, syscall_entry); |
591 | g_array_append_val(hooks, hook_id); |
592 | |
593 | hook_id = find_hook(ts->parent.t, "core", "syscall_exit", |
594 | NULL, NULL, NULL, syscall_exit); |
595 | g_array_append_val(hooks, hook_id); |
596 | |
597 | hook_id = find_hook(ts->parent.t, "core", "trap_entry", "trap_id", |
598 | NULL, NULL, trap_entry); |
599 | g_array_append_val(hooks, hook_id); |
600 | |
601 | hook_id = find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, |
602 | NULL, trap_exit); |
603 | g_array_append_val(hooks, hook_id); |
604 | |
605 | hook_id = find_hook(ts->parent.t, "core", "irq_entry", "irq_id", |
606 | NULL, NULL, irq_entry); |
607 | g_array_append_val(hooks, hook_id); |
608 | |
609 | hook_id = find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, |
610 | NULL, irq_exit); |
611 | g_array_append_val(hooks, hook_id); |
612 | |
613 | hook_id = find_hook(ts->parent.t, "core", "schedchange", |
614 | "in", "out", "out_state", schedchange); |
615 | g_array_append_val(hooks, hook_id); |
616 | |
617 | hook_id = find_hook(ts->parent.t, "core", "process_fork", |
618 | "child_pid", NULL, NULL, process_fork); |
619 | g_array_append_val(hooks, hook_id); |
620 | |
621 | hook_id = find_hook(ts->parent.t, "core", "process_exit", |
622 | NULL, NULL, NULL, process_exit); |
623 | g_array_append_val(hooks, hook_id); |
dc877563 |
624 | |
625 | /* Add these hooks to each before_event_by_id hooks list */ |
626 | |
ba576a78 |
627 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
628 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
629 | nb_tracefile = nb_control + nb_per_cpu; |
630 | for(j = 0 ; j < nb_tracefile ; j++) { |
631 | if(j < nb_control) { |
ba576a78 |
632 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
633 | } |
634 | else { |
cbe7c836 |
635 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
636 | } |
637 | |
638 | for(k = 0 ; k < hooks->len ; k++) { |
639 | hook_id = g_array_index(hooks, struct HookId, k); |
ba576a78 |
640 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.before_event_by_id, |
641 | hook_id.id), hook_id.h, hook_id.hook_data); |
ffd54a90 |
642 | } |
dc877563 |
643 | } |
ba576a78 |
644 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
645 | *(val.v_pointer) = hooks; |
dc877563 |
646 | } |
647 | } |
648 | |
649 | |
650 | lttv_state_remove_event_hooks(LttvTracesetState *self) |
651 | { |
ba576a78 |
652 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
653 | |
ba576a78 |
654 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
655 | |
ba576a78 |
656 | LttvTraceState *ts; |
dc877563 |
657 | |
ba576a78 |
658 | LttvTracefileState *tfs; |
dc877563 |
659 | |
660 | void *hook_data; |
661 | |
662 | GArray *hooks; |
663 | |
664 | struct HookId hook_id; |
665 | |
666 | LttvAttributeValue val; |
667 | |
ba576a78 |
668 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
669 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
670 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
671 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
672 | hooks = *(val.v_pointer); |
dc877563 |
673 | |
674 | /* Add these hooks to each before_event_by_id hooks list */ |
675 | |
ba576a78 |
676 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
677 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
678 | nb_tracefile = nb_control + nb_per_cpu; |
679 | for(j = 0 ; j < nb_tracefile ; j++) { |
680 | if(j < nb_control) { |
ba576a78 |
681 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
682 | } |
683 | else { |
cbe7c836 |
684 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
685 | } |
686 | |
687 | for(k = 0 ; k < hooks->len ; k++) { |
688 | hook_id = g_array_index(hooks, struct HookId, k); |
ba576a78 |
689 | lttv_hooks_remove_data( |
690 | lttv_hooks_by_id_find(tfs->parent.before_event_by_id, |
691 | hook_id.id), hook_id.h, hook_id.hook_data); |
ba576a78 |
692 | if(hook_id.free_hook_data) g_free(hook_id.hook_data); |
ffd54a90 |
693 | } |
cbe7c836 |
694 | // for(k = 0 ; k < hooks->len ; k++) { |
695 | // hook_id = g_array_index(hooks, struct HookId, k); |
696 | // if(hook_id.free_hook_data) g_free(hook_id.hook_data); |
697 | // } |
dc877563 |
698 | } |
699 | g_array_free(hooks, TRUE); |
700 | } |
701 | } |
702 | |
703 | |
ffd54a90 |
704 | void lttv_state_init(int argc, char **argv) |
705 | { |
706 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
707 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
708 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
709 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
710 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
711 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
712 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
713 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
714 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
715 | LTTV_STATE_RUN = g_quark_from_string("running"); |
716 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
717 | } |
dc877563 |
718 | |
ffd54a90 |
719 | void lttv_state_destroy() |
720 | { |
721 | } |
dc877563 |
722 | |
723 | |
724 | |
725 | |