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1 | |
2 | #include <lttv/state.h> |
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3 | #include <ltt/facility.h> |
4 | #include <ltt/trace.h> |
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5 | |
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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 | |
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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++) { |
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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 | { |
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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)); |
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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 |
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219 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
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220 | { |
221 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
222 | |
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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; |
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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; |
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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 | |
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291 | // g_assert(process->state->t == t); |
292 | if(process->state->t != t){ |
293 | g_warning("Different interrupt type: ignore it\n"); |
294 | return; |
295 | } |
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296 | g_array_remove_index(process->interrupt_stack, depth); |
297 | depth--; |
298 | process->state = &g_array_index(process->interrupt_stack, LttvInterruptState, |
299 | depth); |
300 | } |
301 | |
302 | |
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303 | LttvProcessState *create_process(LttvTracefileState *tfs, |
304 | LttvProcessState *parent, guint pid) |
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305 | { |
306 | LttvProcessState *process = g_new(LttvProcessState, 1); |
307 | |
308 | LttvInterruptState *intr; |
309 | |
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310 | LttvTraceContext *tc; |
311 | |
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312 | LttvTraceState *tcs; |
313 | |
314 | LttvTracefileContext *tfc = LTTV_TRACEFILE_CONTEXT(tfs); |
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315 | |
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316 | tcs = (LttvTraceState *)tc = tfc->t_context; |
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317 | |
318 | g_hash_table_insert(tcs->processes, GUINT_TO_POINTER(pid), process); |
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319 | process->pid = pid; |
0ac02254 |
320 | if(parent) process->ppid = parent->pid; |
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321 | process->birth = tfc->timestamp; |
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322 | process->name = LTTV_STATE_UNNAMED; |
323 | process->interrupt_stack = g_array_new(FALSE, FALSE, |
324 | sizeof(LttvInterruptState)); |
325 | g_array_set_size(process->interrupt_stack, 1); |
ffd54a90 |
326 | intr = process->state = &g_array_index(process->interrupt_stack, |
327 | LttvInterruptState, 0); |
ba576a78 |
328 | intr->t = LTTV_STATE_USER_MODE; |
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329 | intr->n = 0; |
ba576a78 |
330 | intr->entry = tfc->timestamp; |
331 | intr->last_change = tfc->timestamp; |
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332 | intr->s = LTTV_STATE_WAIT_FORK; |
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333 | |
334 | return process; |
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335 | } |
336 | |
337 | |
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338 | LttvProcessState *find_process(LttvTracefileState *tfs, guint pid) |
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339 | { |
ba576a78 |
340 | LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; |
341 | LttvProcessState *process = g_hash_table_lookup(ts->processes, |
342 | GUINT_TO_POINTER(pid)); |
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343 | if(process == NULL) process = create_process(tfs, NULL, pid); |
344 | return process; |
345 | } |
346 | |
347 | |
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348 | void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
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349 | { |
ba576a78 |
350 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
351 | |
352 | g_hash_table_remove(ts->processes, GUINT_TO_POINTER(process->pid)); |
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353 | g_array_free(process->interrupt_stack, TRUE); |
354 | g_free(process); |
355 | } |
356 | |
357 | |
358 | void free_process_state(gpointer key, gpointer value, gpointer user_data) |
359 | { |
360 | g_array_free(((LttvProcessState *)value)->interrupt_stack, TRUE); |
361 | g_free(value); |
362 | } |
363 | |
364 | |
365 | void remove_all_processes(GHashTable *processes) |
366 | { |
367 | g_hash_table_foreach(processes, free_process_state, NULL); |
368 | } |
369 | |
370 | |
371 | gboolean syscall_entry(void *hook_data, void *call_data) |
372 | { |
373 | LttField *f = (LttField *)hook_data; |
374 | |
ba576a78 |
375 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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376 | |
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377 | push_state(s, LTTV_STATE_SYSCALL, ltt_event_get_unsigned( |
378 | LTTV_TRACEFILE_CONTEXT(s)->e, f)); |
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379 | return FALSE; |
380 | } |
381 | |
382 | |
383 | gboolean syscall_exit(void *hook_data, void *call_data) |
384 | { |
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385 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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386 | |
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387 | pop_state(s, LTTV_STATE_SYSCALL); |
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388 | return FALSE; |
389 | } |
390 | |
391 | |
392 | gboolean trap_entry(void *hook_data, void *call_data) |
393 | { |
394 | LttField *f = (LttField *)hook_data; |
395 | |
ba576a78 |
396 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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397 | |
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398 | push_state(s, LTTV_STATE_TRAP, ltt_event_get_unsigned(s->parent.e, f)); |
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399 | return FALSE; |
400 | } |
401 | |
402 | |
403 | gboolean trap_exit(void *hook_data, void *call_data) |
404 | { |
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405 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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406 | |
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407 | pop_state(s, LTTV_STATE_TRAP); |
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408 | return FALSE; |
409 | } |
410 | |
411 | |
412 | gboolean irq_entry(void *hook_data, void *call_data) |
413 | { |
414 | LttField *f = (LttField *)hook_data; |
415 | |
ba576a78 |
416 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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417 | |
418 | /* Do something with the info about being in user or system mode when int? */ |
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419 | push_state(s, LTTV_STATE_IRQ, ltt_event_get_unsigned(s->parent.e, f)); |
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420 | return FALSE; |
421 | } |
422 | |
423 | |
424 | gboolean irq_exit(void *hook_data, void *call_data) |
425 | { |
ba576a78 |
426 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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427 | |
ffd54a90 |
428 | pop_state(s, LTTV_STATE_IRQ); |
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429 | return FALSE; |
430 | } |
431 | |
432 | |
433 | gboolean schedchange(void *hook_data, void *call_data) |
434 | { |
435 | struct HookData *h = (struct HookData *)hook_data; |
436 | |
ba576a78 |
437 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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438 | |
439 | guint pid_in, pid_out, state_out; |
440 | |
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441 | pid_in = ltt_event_get_unsigned(s->parent.e, h->f1); |
442 | pid_out = ltt_event_get_unsigned(s->parent.e, h->f2); |
443 | state_out = ltt_event_get_unsigned(s->parent.e, h->f3); |
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444 | if(s->process != NULL) { |
ffd54a90 |
445 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
446 | else if(s->process->state->s == LTTV_STATE_EXIT) |
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447 | exit_process(s, s->process); |
ffd54a90 |
448 | else s->process->state->s = LTTV_STATE_WAIT; |
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449 | |
450 | if(s->process->pid == 0) |
451 | s->process->pid == pid_out; |
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452 | } |
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453 | s->process = find_process(s, pid_in); |
ffd54a90 |
454 | s->process->state->s = LTTV_STATE_RUN; |
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455 | return FALSE; |
456 | } |
457 | |
458 | |
459 | gboolean process_fork(void *hook_data, void *call_data) |
460 | { |
461 | LttField *f = (LttField *)hook_data; |
462 | |
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463 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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464 | |
465 | guint child_pid; |
466 | |
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467 | child_pid = ltt_event_get_unsigned(s->parent.e, f); |
ba576a78 |
468 | create_process(s, s->process, child_pid); |
dc877563 |
469 | return FALSE; |
470 | } |
471 | |
472 | |
473 | gboolean process_exit(void *hook_data, void *call_data) |
474 | { |
ba576a78 |
475 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
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476 | |
477 | if(s->process != NULL) { |
ffd54a90 |
478 | s->process->state->s = LTTV_STATE_EXIT; |
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479 | } |
480 | return FALSE; |
481 | } |
482 | |
483 | |
484 | static LttField * |
485 | find_field(LttEventType *et, const char *field) |
486 | { |
487 | LttType *t; |
488 | |
489 | LttField *f; |
490 | |
491 | guint i, nb; |
492 | |
493 | char *name; |
494 | |
495 | if(field == NULL) return NULL; |
496 | |
497 | f = ltt_eventtype_field(et); |
498 | t = ltt_eventtype_type(et); |
499 | g_assert(ltt_type_class(t) == LTT_STRUCT); |
500 | nb = ltt_type_member_number(t); |
501 | for(i = 0 ; i < nb ; i++) { |
502 | ltt_type_member_type(t, i, &name); |
503 | if(strcmp(name, field) == 0) break; |
504 | } |
505 | g_assert(i < nb); |
506 | return ltt_field_member(f, i); |
507 | } |
508 | |
509 | |
ba576a78 |
510 | static struct HookId |
511 | find_hook(LttTrace *t, char *facility, char *event, |
512 | char *field1, char *field2, char *field3, LttvHook h) |
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513 | { |
514 | LttFacility *f; |
515 | |
516 | LttEventType *et; |
517 | |
518 | guint nb, pos, i; |
519 | |
520 | struct HookId hook_id; |
521 | |
522 | struct HookData hook_data, *phook_data; |
523 | |
524 | char *name; |
525 | |
526 | nb = ltt_trace_facility_find(t, facility, &pos); |
527 | if(nb < 1) g_error("No %s facility", facility); |
ba576a78 |
528 | f = ltt_trace_facility_get(t, pos); |
529 | et = ltt_facility_eventtype_get_by_name(f, event); |
dc877563 |
530 | if(et == NULL) g_error("Event %s does not exist", event); |
531 | |
c432246e |
532 | hook_id.id = ltt_eventtype_id(et); |
dc877563 |
533 | hook_id.h = h; |
534 | hook_id.free_hook_data = FALSE; |
535 | hook_data.f1 = find_field(et, field1); |
536 | hook_data.f2 = find_field(et, field2); |
537 | hook_data.f3 = find_field(et, field3); |
ba576a78 |
538 | if(hook_data.f1 == NULL) hook_id.hook_data = NULL; |
539 | else if(hook_data.f2 == NULL) hook_id.hook_data = hook_data.f1; |
dc877563 |
540 | else { |
541 | phook_data = g_new(struct HookData, 1); |
542 | *phook_data = hook_data; |
543 | hook_id.hook_data = phook_data; |
544 | hook_id.free_hook_data = TRUE; |
545 | } |
546 | return hook_id; |
547 | } |
548 | |
549 | |
550 | lttv_state_add_event_hooks(LttvTracesetState *self) |
551 | { |
ba576a78 |
552 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
553 | |
ba576a78 |
554 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
555 | |
556 | LttFacility *f; |
557 | |
558 | LttEventType *et; |
559 | |
ba576a78 |
560 | LttvTraceState *ts; |
dc877563 |
561 | |
ba576a78 |
562 | LttvTracefileState *tfs; |
dc877563 |
563 | |
564 | void *hook_data; |
565 | |
566 | GArray *hooks; |
567 | |
568 | struct HookId hook_id; |
569 | |
570 | LttvAttributeValue val; |
571 | |
ba576a78 |
572 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
573 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
574 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
575 | |
576 | /* Find the eventtype id for the following events and register the |
577 | associated by id hooks. */ |
578 | |
ba576a78 |
579 | hooks = g_array_new(FALSE, FALSE, sizeof(struct HookId)); |
cbe7c836 |
580 | hook_id = find_hook(ts->parent.t, "core","syscall_entry","syscall_id", |
581 | NULL, NULL, syscall_entry); |
582 | g_array_append_val(hooks, hook_id); |
583 | |
584 | hook_id = find_hook(ts->parent.t, "core", "syscall_exit", |
585 | NULL, NULL, NULL, syscall_exit); |
586 | g_array_append_val(hooks, hook_id); |
587 | |
588 | hook_id = find_hook(ts->parent.t, "core", "trap_entry", "trap_id", |
589 | NULL, NULL, trap_entry); |
590 | g_array_append_val(hooks, hook_id); |
591 | |
592 | hook_id = find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, |
593 | NULL, trap_exit); |
594 | g_array_append_val(hooks, hook_id); |
595 | |
596 | hook_id = find_hook(ts->parent.t, "core", "irq_entry", "irq_id", |
597 | NULL, NULL, irq_entry); |
598 | g_array_append_val(hooks, hook_id); |
599 | |
600 | hook_id = find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, |
601 | NULL, irq_exit); |
602 | g_array_append_val(hooks, hook_id); |
603 | |
604 | hook_id = find_hook(ts->parent.t, "core", "schedchange", |
605 | "in", "out", "out_state", schedchange); |
606 | g_array_append_val(hooks, hook_id); |
607 | |
608 | hook_id = find_hook(ts->parent.t, "core", "process_fork", |
609 | "child_pid", NULL, NULL, process_fork); |
610 | g_array_append_val(hooks, hook_id); |
611 | |
612 | hook_id = find_hook(ts->parent.t, "core", "process_exit", |
613 | NULL, NULL, NULL, process_exit); |
614 | g_array_append_val(hooks, hook_id); |
dc877563 |
615 | |
616 | /* Add these hooks to each before_event_by_id hooks list */ |
617 | |
ba576a78 |
618 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
619 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
620 | nb_tracefile = nb_control + nb_per_cpu; |
621 | for(j = 0 ; j < nb_tracefile ; j++) { |
622 | if(j < nb_control) { |
ba576a78 |
623 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
624 | } |
625 | else { |
cbe7c836 |
626 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
627 | } |
628 | |
629 | for(k = 0 ; k < hooks->len ; k++) { |
630 | hook_id = g_array_index(hooks, struct HookId, k); |
ba576a78 |
631 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.before_event_by_id, |
632 | hook_id.id), hook_id.h, hook_id.hook_data); |
ffd54a90 |
633 | } |
dc877563 |
634 | } |
ba576a78 |
635 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
636 | *(val.v_pointer) = hooks; |
dc877563 |
637 | } |
638 | } |
639 | |
640 | |
641 | lttv_state_remove_event_hooks(LttvTracesetState *self) |
642 | { |
ba576a78 |
643 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
644 | |
ba576a78 |
645 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
646 | |
ba576a78 |
647 | LttvTraceState *ts; |
dc877563 |
648 | |
ba576a78 |
649 | LttvTracefileState *tfs; |
dc877563 |
650 | |
651 | void *hook_data; |
652 | |
653 | GArray *hooks; |
654 | |
655 | struct HookId hook_id; |
656 | |
657 | LttvAttributeValue val; |
658 | |
ba576a78 |
659 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
660 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
661 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
662 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
663 | hooks = *(val.v_pointer); |
dc877563 |
664 | |
665 | /* Add these hooks to each before_event_by_id hooks list */ |
666 | |
ba576a78 |
667 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
668 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
669 | nb_tracefile = nb_control + nb_per_cpu; |
670 | for(j = 0 ; j < nb_tracefile ; j++) { |
671 | if(j < nb_control) { |
ba576a78 |
672 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
673 | } |
674 | else { |
cbe7c836 |
675 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
676 | } |
677 | |
678 | for(k = 0 ; k < hooks->len ; k++) { |
679 | hook_id = g_array_index(hooks, struct HookId, k); |
ba576a78 |
680 | lttv_hooks_remove_data( |
681 | lttv_hooks_by_id_find(tfs->parent.before_event_by_id, |
682 | hook_id.id), hook_id.h, hook_id.hook_data); |
ba576a78 |
683 | if(hook_id.free_hook_data) g_free(hook_id.hook_data); |
ffd54a90 |
684 | } |
cbe7c836 |
685 | // for(k = 0 ; k < hooks->len ; k++) { |
686 | // hook_id = g_array_index(hooks, struct HookId, k); |
687 | // if(hook_id.free_hook_data) g_free(hook_id.hook_data); |
688 | // } |
dc877563 |
689 | } |
690 | g_array_free(hooks, TRUE); |
691 | } |
692 | } |
693 | |
694 | |
ffd54a90 |
695 | void lttv_state_init(int argc, char **argv) |
696 | { |
697 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
698 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
699 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
700 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
701 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
702 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
703 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
704 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
705 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
706 | LTTV_STATE_RUN = g_quark_from_string("running"); |
707 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
708 | } |
dc877563 |
709 | |
ffd54a90 |
710 | void lttv_state_destroy() |
711 | { |
712 | } |
dc877563 |
713 | |
714 | |
715 | |
716 | |