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 | |
dc877563 |
19 | |
20 | #include <lttv/state.h> |
ba576a78 |
21 | #include <ltt/facility.h> |
22 | #include <ltt/trace.h> |
308711e5 |
23 | #include <ltt/event.h> |
a5dcde2f |
24 | #include <ltt/type.h> |
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25 | |
b445142a |
26 | LttvExecutionMode |
27 | LTTV_STATE_MODE_UNKNOWN, |
ffd54a90 |
28 | LTTV_STATE_USER_MODE, |
29 | LTTV_STATE_SYSCALL, |
30 | LTTV_STATE_TRAP, |
31 | LTTV_STATE_IRQ; |
32 | |
b445142a |
33 | LttvExecutionSubmode |
34 | LTTV_STATE_SUBMODE_UNKNOWN, |
35 | LTTV_STATE_SUBMODE_NONE; |
ffd54a90 |
36 | |
37 | LttvProcessStatus |
38 | LTTV_STATE_UNNAMED, |
39 | LTTV_STATE_WAIT_FORK, |
40 | LTTV_STATE_WAIT_CPU, |
41 | LTTV_STATE_EXIT, |
42 | LTTV_STATE_WAIT, |
43 | LTTV_STATE_RUN; |
44 | |
ba576a78 |
45 | static GQuark |
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46 | LTTV_STATE_TRACEFILES, |
47 | LTTV_STATE_PROCESSES, |
48 | LTTV_STATE_PROCESS, |
49 | LTTV_STATE_EVENT, |
50 | LTTV_STATE_SAVED_STATES, |
51 | LTTV_STATE_TIME, |
ba576a78 |
52 | LTTV_STATE_HOOKS; |
53 | |
b445142a |
54 | |
55 | static void fill_name_tables(LttvTraceState *tcs); |
56 | |
57 | static void free_name_tables(LttvTraceState *tcs); |
58 | |
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59 | static void lttv_state_free_process_table(GHashTable *processes); |
ba576a78 |
60 | |
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61 | static LttvProcessState *create_process(LttvTracefileState *tfs, |
3d27549e |
62 | LttvProcessState *parent, guint pid); |
dc877563 |
63 | |
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64 | void lttv_state_save(LttvTraceState *self, LttvAttribute *container) |
65 | { |
66 | LTTV_TRACE_STATE_GET_CLASS(self)->state_save(self, container); |
67 | } |
68 | |
69 | |
70 | void lttv_state_restore(LttvTraceState *self, LttvAttribute *container) |
71 | { |
72 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
73 | } |
74 | |
75 | |
76 | void lttv_state_saved_state_free(LttvTraceState *self, |
77 | LttvAttribute *container) |
78 | { |
79 | LTTV_TRACE_STATE_GET_CLASS(self)->state_restore(self, container); |
80 | } |
81 | |
82 | |
83 | static void |
84 | restore_init_state(LttvTraceState *self) |
85 | { |
86 | guint i, nb_control, nb_per_cpu, nb_tracefile; |
87 | |
88 | LttvTracefileState *tfcs; |
89 | |
90 | LttTime null_time = {0,0}; |
91 | |
92 | if(self->processes != NULL) lttv_state_free_process_table(self->processes); |
93 | self->processes = g_hash_table_new(g_direct_hash, g_direct_equal); |
94 | self->nb_event = 0; |
95 | |
96 | nb_control = ltt_trace_control_tracefile_number(self->parent.t); |
97 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(self->parent.t); |
98 | nb_tracefile = nb_control + nb_per_cpu; |
99 | for(i = 0 ; i < nb_tracefile ; i++) { |
100 | if(i < nb_control) { |
101 | tfcs = LTTV_TRACEFILE_STATE(self->parent.control_tracefiles[i]); |
102 | } |
103 | else { |
104 | tfcs = LTTV_TRACEFILE_STATE(self->parent.per_cpu_tracefiles[i - nb_control]); |
105 | } |
106 | |
107 | tfcs->parent.timestamp = null_time; |
108 | tfcs->saved_position = 0; |
109 | tfcs->process = create_process(tfcs, NULL,0); |
110 | } |
111 | } |
112 | |
113 | |
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114 | static void |
115 | init(LttvTracesetState *self, LttvTraceset *ts) |
116 | { |
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117 | guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
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118 | |
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119 | LttvTraceContext *tc; |
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120 | |
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121 | LttvTraceState *tcs; |
122 | |
ffd54a90 |
123 | LttvTracefileState *tfcs; |
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124 | |
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125 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
126 | init((LttvTracesetContext *)self, ts); |
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127 | |
128 | nb_trace = lttv_traceset_number(ts); |
129 | for(i = 0 ; i < nb_trace ; i++) { |
b445142a |
130 | tc = self->parent.traces[i]; |
131 | tcs = (LttvTraceState *)tc; |
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132 | tcs->save_interval = 100000; |
9444deae |
133 | tcs->recompute_state_in_seek = TRUE; |
134 | tcs->saved_state_ready = FALSE; |
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135 | fill_name_tables(tcs); |
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136 | |
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137 | nb_control = ltt_trace_control_tracefile_number(tc->t); |
138 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t); |
139 | nb_tracefile = nb_control + nb_per_cpu; |
dc877563 |
140 | for(j = 0 ; j < nb_tracefile ; j++) { |
b445142a |
141 | if(j < nb_control) { |
142 | tfcs = LTTV_TRACEFILE_STATE(tc->control_tracefiles[j]); |
143 | } |
144 | else { |
145 | tfcs = LTTV_TRACEFILE_STATE(tc->per_cpu_tracefiles[j - nb_control]); |
146 | } |
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147 | tfcs->cpu_name= g_quark_from_string(ltt_tracefile_name(tfcs->parent.tf)); |
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148 | } |
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149 | tcs->processes = NULL; |
150 | restore_init_state(tcs); |
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151 | } |
152 | } |
153 | |
154 | |
155 | static void |
156 | fini(LttvTracesetState *self) |
157 | { |
158 | guint i, j, nb_trace, nb_tracefile; |
159 | |
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160 | LttvTraceState *tcs; |
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161 | |
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162 | LttvTracefileState *tfcs; |
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163 | |
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164 | nb_trace = lttv_traceset_number(LTTV_TRACESET_CONTEXT(self)->ts); |
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165 | for(i = 0 ; i < nb_trace ; i++) { |
ffd54a90 |
166 | tcs = (LttvTraceState *)(LTTV_TRACESET_CONTEXT(self)->traces[i]); |
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167 | lttv_state_free_process_table(tcs->processes); |
168 | tcs->processes = NULL; |
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169 | free_name_tables(tcs); |
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170 | } |
b445142a |
171 | LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
172 | fini((LttvTracesetContext *)self); |
dc877563 |
173 | } |
174 | |
175 | |
c432246e |
176 | static LttvTracesetContext * |
dc877563 |
177 | new_traceset_context(LttvTracesetContext *self) |
178 | { |
ffd54a90 |
179 | return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATE_TYPE, NULL)); |
dc877563 |
180 | } |
181 | |
182 | |
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183 | static LttvTraceContext * |
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184 | new_trace_context(LttvTracesetContext *self) |
185 | { |
ffd54a90 |
186 | return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATE_TYPE, NULL)); |
dc877563 |
187 | } |
188 | |
189 | |
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190 | static LttvTracefileContext * |
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191 | new_tracefile_context(LttvTracesetContext *self) |
192 | { |
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193 | return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATE_TYPE, NULL)); |
194 | } |
195 | |
196 | |
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197 | static void copy_process_state(gpointer key, gpointer value,gpointer user_data) |
ffd54a90 |
198 | { |
308711e5 |
199 | LttvProcessState *process, *new_process; |
ffd54a90 |
200 | |
308711e5 |
201 | GHashTable *new_processes = (GHashTable *)user_data; |
ffd54a90 |
202 | |
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203 | guint i; |
204 | |
205 | process = (LttvProcessState *)value; |
206 | new_process = g_new(LttvProcessState, 1); |
207 | *new_process = *process; |
208 | new_process->execution_stack = g_array_new(FALSE, FALSE, |
209 | sizeof(LttvExecutionState)); |
210 | g_array_set_size(new_process->execution_stack,process->execution_stack->len); |
211 | for(i = 0 ; i < process->execution_stack->len; i++) { |
212 | g_array_index(new_process->execution_stack, LttvExecutionState, i) = |
213 | g_array_index(process->execution_stack, LttvExecutionState, i); |
214 | } |
215 | new_process->state = &g_array_index(new_process->execution_stack, |
216 | LttvExecutionState, new_process->execution_stack->len - 1); |
217 | g_hash_table_insert(new_processes, GUINT_TO_POINTER(new_process->pid), |
218 | new_process); |
ffd54a90 |
219 | } |
220 | |
221 | |
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222 | static GHashTable *lttv_state_copy_process_table(GHashTable *processes) |
ffd54a90 |
223 | { |
308711e5 |
224 | GHashTable *new_processes = g_hash_table_new(g_direct_hash, g_direct_equal); |
ffd54a90 |
225 | |
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226 | g_hash_table_foreach(processes, copy_process_state, new_processes); |
227 | return new_processes; |
dc877563 |
228 | } |
229 | |
230 | |
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231 | /* The saved state for each trace contains a member "processes", which |
232 | stores a copy of the process table, and a member "tracefiles" with |
233 | one entry per tracefile. Each tracefile has a "process" member pointing |
234 | to the current process and a "position" member storing the tracefile |
235 | position (needed to seek to the current "next" event. */ |
236 | |
237 | static void state_save(LttvTraceState *self, LttvAttribute *container) |
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238 | { |
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239 | guint i, nb_control, nb_per_cpu, nb_tracefile; |
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240 | |
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241 | LttvTracefileState *tfcs; |
242 | |
243 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
244 | |
245 | LttvAttributeType type; |
246 | |
247 | LttvAttributeValue value; |
248 | |
249 | LttvAttributeName name; |
250 | |
251 | LttEventPosition *ep; |
252 | |
253 | tracefiles_tree = lttv_attribute_find_subdir(container, |
254 | LTTV_STATE_TRACEFILES); |
255 | |
256 | value = lttv_attribute_add(container, LTTV_STATE_PROCESSES, |
257 | LTTV_POINTER); |
258 | *(value.v_pointer) = lttv_state_copy_process_table(self->processes); |
259 | |
260 | nb_control = ltt_trace_control_tracefile_number(self->parent.t); |
261 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(self->parent.t); |
262 | nb_tracefile = nb_control + nb_per_cpu; |
263 | |
264 | for(i = 0 ; i < nb_tracefile ; i++) { |
265 | if(i < nb_control) |
266 | tfcs = (LttvTracefileState *)self->parent.control_tracefiles[i]; |
267 | else tfcs = (LttvTracefileState *) |
268 | self->parent.per_cpu_tracefiles[i - nb_control]; |
269 | |
270 | tracefile_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
271 | value = lttv_attribute_add(tracefiles_tree, i, |
272 | LTTV_GOBJECT); |
273 | *(value.v_gobject) = (GObject *)tracefile_tree; |
274 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_PROCESS, |
275 | LTTV_UINT); |
276 | *(value.v_uint) = tfcs->process->pid; |
277 | value = lttv_attribute_add(tracefile_tree, LTTV_STATE_EVENT, |
278 | LTTV_POINTER); |
279 | if(tfcs->parent.e == NULL) *(value.v_pointer) = NULL; |
280 | else { |
a5dcde2f |
281 | ep = ltt_event_position_new(); |
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282 | ltt_event_position(tfcs->parent.e, ep); |
283 | *(value.v_pointer) = ep; |
284 | } |
dc877563 |
285 | } |
dc877563 |
286 | } |
287 | |
288 | |
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289 | static void state_restore(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
290 | { |
308711e5 |
291 | guint i, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
292 | |
308711e5 |
293 | LttvTracefileState *tfcs; |
dc877563 |
294 | |
308711e5 |
295 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
296 | |
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297 | LttvAttributeType type; |
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298 | |
308711e5 |
299 | LttvAttributeValue value; |
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300 | |
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301 | LttvAttributeName name; |
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302 | |
308711e5 |
303 | LttEventPosition *ep; |
dc877563 |
304 | |
308711e5 |
305 | tracefiles_tree = lttv_attribute_find_subdir(container, |
306 | LTTV_STATE_TRACEFILES); |
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307 | |
308711e5 |
308 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
309 | &value); |
310 | g_assert(type == LTTV_POINTER); |
311 | lttv_state_free_process_table(self->processes); |
312 | self->processes = lttv_state_copy_process_table(*(value.v_pointer)); |
313 | |
314 | nb_control = ltt_trace_control_tracefile_number(self->parent.t); |
315 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(self->parent.t); |
316 | nb_tracefile = nb_control + nb_per_cpu; |
317 | |
318 | for(i = 0 ; i < nb_tracefile ; i++) { |
319 | if(i < nb_control) tfcs = (LttvTracefileState *) |
320 | self->parent.control_tracefiles[i]; |
321 | else tfcs = (LttvTracefileState *) |
322 | self->parent.per_cpu_tracefiles[i - nb_control]; |
323 | |
324 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
325 | g_assert(type == LTTV_GOBJECT); |
326 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
327 | |
328 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_PROCESS, |
329 | &value); |
330 | g_assert(type == LTTV_UINT); |
331 | tfcs->process = lttv_state_find_process(tfcs, *(value.v_uint)); |
332 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
333 | &value); |
334 | g_assert(type == LTTV_POINTER); |
335 | if(*(value.v_pointer) == NULL) tfcs->parent.e = NULL; |
336 | else { |
337 | ep = *(value.v_pointer); |
338 | ltt_tracefile_seek_position(tfcs->parent.tf, ep); |
339 | tfcs->parent.e = ltt_tracefile_read(tfcs->parent.tf); |
340 | tfcs->parent.timestamp = ltt_event_time(tfcs->parent.e); |
341 | } |
dc877563 |
342 | } |
dc877563 |
343 | } |
344 | |
345 | |
308711e5 |
346 | static void state_saved_free(LttvTraceState *self, LttvAttribute *container) |
dc877563 |
347 | { |
308711e5 |
348 | guint i, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
349 | |
308711e5 |
350 | LttvTracefileState *tfcs; |
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351 | |
308711e5 |
352 | LttvAttribute *tracefiles_tree, *tracefile_tree; |
dc877563 |
353 | |
308711e5 |
354 | LttvAttributeType type; |
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355 | |
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356 | LttvAttributeValue value; |
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357 | |
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358 | LttvAttributeName name; |
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359 | |
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360 | LttEventPosition *ep; |
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361 | |
308711e5 |
362 | tracefiles_tree = lttv_attribute_find_subdir(container, |
363 | LTTV_STATE_TRACEFILES); |
364 | lttv_attribute_remove_by_name(container, LTTV_STATE_TRACEFILES); |
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365 | |
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366 | type = lttv_attribute_get_by_name(container, LTTV_STATE_PROCESSES, |
367 | &value); |
368 | g_assert(type == LTTV_POINTER); |
369 | lttv_state_free_process_table(*(value.v_pointer)); |
370 | *(value.v_pointer) = NULL; |
371 | lttv_attribute_remove_by_name(container, LTTV_STATE_PROCESSES); |
372 | |
373 | nb_control = ltt_trace_control_tracefile_number(self->parent.t); |
374 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(self->parent.t); |
375 | nb_tracefile = nb_control + nb_per_cpu; |
376 | |
377 | for(i = 0 ; i < nb_tracefile ; i++) { |
378 | if(i < nb_control) tfcs = (LttvTracefileState *) |
379 | self->parent.control_tracefiles[i]; |
380 | else tfcs = (LttvTracefileState *) |
381 | self->parent.per_cpu_tracefiles[i - nb_control]; |
382 | |
383 | type = lttv_attribute_get(tracefiles_tree, i, &name, &value); |
384 | g_assert(type == LTTV_GOBJECT); |
385 | tracefile_tree = *((LttvAttribute **)(value.v_gobject)); |
386 | |
387 | type = lttv_attribute_get_by_name(tracefile_tree, LTTV_STATE_EVENT, |
388 | &value); |
389 | g_assert(type == LTTV_POINTER); |
390 | if(*(value.v_pointer) != NULL) g_free(*(value.v_pointer)); |
dc877563 |
391 | } |
308711e5 |
392 | lttv_attribute_recursive_free(tracefiles_tree); |
dc877563 |
393 | } |
394 | |
395 | |
b445142a |
396 | static void |
397 | fill_name_tables(LttvTraceState *tcs) |
398 | { |
399 | int i, nb; |
dc877563 |
400 | |
b445142a |
401 | char *f_name, *e_name; |
dc877563 |
402 | |
b445142a |
403 | LttvTraceHook h; |
404 | |
405 | LttEventType *et; |
406 | |
407 | LttType *t; |
408 | |
409 | GString *fe_name = g_string_new(""); |
410 | |
411 | nb = ltt_trace_eventtype_number(tcs->parent.t); |
412 | tcs->eventtype_names = g_new(GQuark, nb); |
413 | for(i = 0 ; i < nb ; i++) { |
414 | et = ltt_trace_eventtype_get(tcs->parent.t, i); |
415 | e_name = ltt_eventtype_name(et); |
416 | f_name = ltt_facility_name(ltt_eventtype_facility(et)); |
417 | g_string_printf(fe_name, "%s.%s", f_name, e_name); |
418 | tcs->eventtype_names[i] = g_quark_from_string(fe_name->str); |
419 | } |
dc877563 |
420 | |
b445142a |
421 | lttv_trace_find_hook(tcs->parent.t, "core", "syscall_entry", |
422 | "syscall_id", NULL, NULL, NULL, &h); |
423 | t = ltt_field_type(h.f1); |
424 | nb = ltt_type_element_number(t); |
425 | |
426 | /* CHECK syscalls should be an emun but currently are not! |
427 | tcs->syscall_names = g_new(GQuark, nb); |
428 | |
429 | for(i = 0 ; i < nb ; i++) { |
430 | tcs->syscall_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
431 | } |
432 | */ |
433 | |
434 | tcs->syscall_names = g_new(GQuark, 256); |
435 | for(i = 0 ; i < 256 ; i++) { |
436 | g_string_printf(fe_name, "syscall %d", i); |
437 | tcs->syscall_names[i] = g_quark_from_string(fe_name->str); |
438 | } |
439 | |
440 | lttv_trace_find_hook(tcs->parent.t, "core", "trap_entry", |
441 | "trap_id", NULL, NULL, NULL, &h); |
442 | t = ltt_field_type(h.f1); |
443 | nb = ltt_type_element_number(t); |
444 | |
445 | /* |
446 | tcs->trap_names = g_new(GQuark, nb); |
447 | for(i = 0 ; i < nb ; i++) { |
448 | tcs->trap_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
449 | } |
450 | */ |
451 | |
452 | tcs->trap_names = g_new(GQuark, 256); |
453 | for(i = 0 ; i < 256 ; i++) { |
454 | g_string_printf(fe_name, "trap %d", i); |
455 | tcs->trap_names[i] = g_quark_from_string(fe_name->str); |
456 | } |
457 | |
458 | lttv_trace_find_hook(tcs->parent.t, "core", "irq_entry", |
459 | "irq_id", NULL, NULL, NULL, &h); |
460 | t = ltt_field_type(h.f1); |
461 | nb = ltt_type_element_number(t); |
462 | |
463 | /* |
464 | tcs->irq_names = g_new(GQuark, nb); |
465 | for(i = 0 ; i < nb ; i++) { |
466 | tcs->irq_names[i] = g_quark_from_string(ltt_enum_string_get(t, i)); |
467 | } |
468 | */ |
469 | |
470 | tcs->irq_names = g_new(GQuark, 256); |
471 | for(i = 0 ; i < 256 ; i++) { |
472 | g_string_printf(fe_name, "irq %d", i); |
473 | tcs->irq_names[i] = g_quark_from_string(fe_name->str); |
474 | } |
475 | |
476 | g_string_free(fe_name, TRUE); |
477 | } |
478 | |
479 | |
480 | static void |
481 | free_name_tables(LttvTraceState *tcs) |
482 | { |
483 | g_free(tcs->eventtype_names); |
484 | g_free(tcs->syscall_names); |
485 | g_free(tcs->trap_names); |
486 | g_free(tcs->irq_names); |
487 | } |
dc877563 |
488 | |
b445142a |
489 | |
490 | static void push_state(LttvTracefileState *tfs, LttvExecutionMode t, |
ffd54a90 |
491 | guint state_id) |
dc877563 |
492 | { |
b445142a |
493 | LttvExecutionState *es; |
dc877563 |
494 | |
495 | LttvProcessState *process = tfs->process; |
496 | |
b445142a |
497 | guint depth = process->execution_stack->len; |
dc877563 |
498 | |
b445142a |
499 | g_array_set_size(process->execution_stack, depth + 1); |
500 | es = &g_array_index(process->execution_stack, LttvExecutionState, depth); |
501 | es->t = t; |
502 | es->n = state_id; |
503 | es->entry = es->change = tfs->parent.timestamp; |
504 | es->s = process->state->s; |
505 | process->state = es; |
dc877563 |
506 | } |
507 | |
508 | |
b445142a |
509 | static void pop_state(LttvTracefileState *tfs, LttvExecutionMode t) |
dc877563 |
510 | { |
511 | LttvProcessState *process = tfs->process; |
512 | |
b445142a |
513 | guint depth = process->execution_stack->len - 1; |
dc877563 |
514 | |
3d27549e |
515 | if(process->state->t != t){ |
b445142a |
516 | g_warning("Different execution mode type (%d.%09d): ignore it\n", |
517 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
8e8e6b64 |
518 | g_warning("process state has %s when pop_int is %s\n", |
519 | g_quark_to_string(process->state->t), |
520 | g_quark_to_string(t)); |
521 | g_warning("{ %u, %u, %s, %s }\n", |
522 | process->pid, |
523 | process->ppid, |
524 | g_quark_to_string(process->name), |
525 | g_quark_to_string(process->state->s)); |
3d27549e |
526 | return; |
527 | } |
b445142a |
528 | |
529 | if(depth == 0){ |
530 | g_warning("Trying to pop last state on stack (%d.%09d): ignore it\n", |
531 | tfs->parent.timestamp.tv_sec, tfs->parent.timestamp.tv_nsec); |
532 | return; |
533 | } |
534 | |
535 | g_array_remove_index(process->execution_stack, depth); |
dc877563 |
536 | depth--; |
b445142a |
537 | process->state = &g_array_index(process->execution_stack, LttvExecutionState, |
dc877563 |
538 | depth); |
b445142a |
539 | process->state->change = tfs->parent.timestamp; |
dc877563 |
540 | } |
541 | |
542 | |
308711e5 |
543 | static LttvProcessState *create_process(LttvTracefileState *tfs, |
ffd54a90 |
544 | LttvProcessState *parent, guint pid) |
dc877563 |
545 | { |
546 | LttvProcessState *process = g_new(LttvProcessState, 1); |
547 | |
b445142a |
548 | LttvExecutionState *es; |
dc877563 |
549 | |
ffd54a90 |
550 | LttvTraceContext *tc; |
551 | |
ba576a78 |
552 | LttvTraceState *tcs; |
553 | |
b445142a |
554 | char buffer[128]; |
ffd54a90 |
555 | |
b445142a |
556 | tcs = (LttvTraceState *)tc = tfs->parent.t_context; |
60b53e4f |
557 | |
ffd54a90 |
558 | g_hash_table_insert(tcs->processes, GUINT_TO_POINTER(pid), process); |
dc877563 |
559 | process->pid = pid; |
b445142a |
560 | |
561 | if(parent) { |
562 | process->ppid = parent->pid; |
563 | process->name = parent->name; |
564 | } |
565 | else { |
566 | process->ppid = 0; |
567 | process->name = LTTV_STATE_UNNAMED; |
568 | } |
569 | |
570 | process->creation_time = tfs->parent.timestamp; |
571 | sprintf(buffer,"%d-%lu.%lu",pid, process->creation_time.tv_sec, |
572 | process->creation_time.tv_nsec); |
573 | process->pid_time = g_quark_from_string(buffer); |
574 | process->execution_stack = g_array_new(FALSE, FALSE, |
575 | sizeof(LttvExecutionState)); |
576 | g_array_set_size(process->execution_stack, 1); |
577 | es = process->state = &g_array_index(process->execution_stack, |
578 | LttvExecutionState, 0); |
579 | es->t = LTTV_STATE_USER_MODE; |
580 | es->n = LTTV_STATE_SUBMODE_NONE; |
581 | es->entry = tfs->parent.timestamp; |
582 | es->change = tfs->parent.timestamp; |
583 | es->s = LTTV_STATE_WAIT_FORK; |
cbe7c836 |
584 | |
585 | return process; |
dc877563 |
586 | } |
587 | |
308711e5 |
588 | LttvProcessState *lttv_state_find_process(LttvTracefileState *tfs, |
589 | guint pid) |
dc877563 |
590 | { |
ba576a78 |
591 | LttvTraceState *ts =(LttvTraceState *)LTTV_TRACEFILE_CONTEXT(tfs)->t_context; |
592 | LttvProcessState *process = g_hash_table_lookup(ts->processes, |
593 | GUINT_TO_POINTER(pid)); |
dc877563 |
594 | if(process == NULL) process = create_process(tfs, NULL, pid); |
595 | return process; |
596 | } |
597 | |
d0cd7f09 |
598 | LttvProcessState *lttv_state_find_process_from_trace(LttvTraceState *ts, |
599 | guint pid) |
600 | { |
601 | LttvProcessState *process = g_hash_table_lookup(ts->processes, |
602 | GUINT_TO_POINTER(pid)); |
ad2e83ba |
603 | //We do not create a process at this level, because we can be called |
604 | //from outside of state.c, and therefore cannot assume a tracefile |
605 | //exists. |
606 | //if(process == NULL) process = create_process_from_trace(ts, NULL, pid); |
d0cd7f09 |
607 | return process; |
608 | } |
609 | |
610 | |
dc877563 |
611 | |
b445142a |
612 | static void exit_process(LttvTracefileState *tfs, LttvProcessState *process) |
dc877563 |
613 | { |
ba576a78 |
614 | LttvTraceState *ts = LTTV_TRACE_STATE(tfs->parent.t_context); |
615 | |
616 | g_hash_table_remove(ts->processes, GUINT_TO_POINTER(process->pid)); |
b445142a |
617 | g_array_free(process->execution_stack, TRUE); |
dc877563 |
618 | g_free(process); |
619 | } |
620 | |
621 | |
b445142a |
622 | static void free_process_state(gpointer key, gpointer value,gpointer user_data) |
dc877563 |
623 | { |
b445142a |
624 | g_array_free(((LttvProcessState *)value)->execution_stack, TRUE); |
dc877563 |
625 | g_free(value); |
626 | } |
627 | |
628 | |
308711e5 |
629 | static void lttv_state_free_process_table(GHashTable *processes) |
dc877563 |
630 | { |
631 | g_hash_table_foreach(processes, free_process_state, NULL); |
308711e5 |
632 | g_hash_table_destroy(processes); |
dc877563 |
633 | } |
634 | |
635 | |
b445142a |
636 | static gboolean syscall_entry(void *hook_data, void *call_data) |
dc877563 |
637 | { |
b445142a |
638 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
639 | |
ba576a78 |
640 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
641 | |
b445142a |
642 | LttvExecutionSubmode submode; |
643 | |
644 | submode = ((LttvTraceState *)(s->parent.t_context))->syscall_names[ |
645 | ltt_event_get_unsigned(s->parent.e, f)]; |
646 | push_state(s, LTTV_STATE_SYSCALL, submode); |
dc877563 |
647 | return FALSE; |
648 | } |
649 | |
650 | |
b445142a |
651 | static gboolean syscall_exit(void *hook_data, void *call_data) |
dc877563 |
652 | { |
ba576a78 |
653 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
654 | |
ffd54a90 |
655 | pop_state(s, LTTV_STATE_SYSCALL); |
dc877563 |
656 | return FALSE; |
657 | } |
658 | |
659 | |
b445142a |
660 | static gboolean trap_entry(void *hook_data, void *call_data) |
dc877563 |
661 | { |
b445142a |
662 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
663 | |
ba576a78 |
664 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
665 | |
b445142a |
666 | LttvExecutionSubmode submode; |
667 | |
668 | submode = ((LttvTraceState *)(s->parent.t_context))->trap_names[ |
669 | ltt_event_get_unsigned(s->parent.e, f)]; |
670 | push_state(s, LTTV_STATE_TRAP, submode); |
dc877563 |
671 | return FALSE; |
672 | } |
673 | |
674 | |
b445142a |
675 | static gboolean trap_exit(void *hook_data, void *call_data) |
dc877563 |
676 | { |
ba576a78 |
677 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
678 | |
ffd54a90 |
679 | pop_state(s, LTTV_STATE_TRAP); |
dc877563 |
680 | return FALSE; |
681 | } |
682 | |
683 | |
b445142a |
684 | static gboolean irq_entry(void *hook_data, void *call_data) |
dc877563 |
685 | { |
b445142a |
686 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
687 | |
ba576a78 |
688 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
689 | |
b445142a |
690 | LttvExecutionSubmode submode; |
691 | |
692 | submode = ((LttvTraceState *)(s->parent.t_context))->irq_names[ |
693 | ltt_event_get_unsigned(s->parent.e, f)]; |
694 | |
dc877563 |
695 | /* Do something with the info about being in user or system mode when int? */ |
b445142a |
696 | push_state(s, LTTV_STATE_IRQ, submode); |
dc877563 |
697 | return FALSE; |
698 | } |
699 | |
700 | |
b445142a |
701 | static gboolean irq_exit(void *hook_data, void *call_data) |
dc877563 |
702 | { |
ba576a78 |
703 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
704 | |
ffd54a90 |
705 | pop_state(s, LTTV_STATE_IRQ); |
dc877563 |
706 | return FALSE; |
707 | } |
708 | |
709 | |
b445142a |
710 | static gboolean schedchange(void *hook_data, void *call_data) |
dc877563 |
711 | { |
b445142a |
712 | LttvTraceHook *h = (LttvTraceHook *)hook_data; |
dc877563 |
713 | |
ba576a78 |
714 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
715 | |
716 | guint pid_in, pid_out, state_out; |
717 | |
3d27549e |
718 | pid_in = ltt_event_get_unsigned(s->parent.e, h->f1); |
719 | pid_out = ltt_event_get_unsigned(s->parent.e, h->f2); |
720 | state_out = ltt_event_get_unsigned(s->parent.e, h->f3); |
b445142a |
721 | |
dc877563 |
722 | if(s->process != NULL) { |
b445142a |
723 | |
ffd54a90 |
724 | if(state_out == 0) s->process->state->s = LTTV_STATE_WAIT_CPU; |
725 | else if(s->process->state->s == LTTV_STATE_EXIT) |
ba576a78 |
726 | exit_process(s, s->process); |
ffd54a90 |
727 | else s->process->state->s = LTTV_STATE_WAIT; |
3d27549e |
728 | |
729 | if(s->process->pid == 0) |
90ffd2ad |
730 | s->process->pid = pid_out; |
b445142a |
731 | |
732 | s->process->state->change = s->parent.timestamp; |
dc877563 |
733 | } |
b445142a |
734 | s->process = lttv_state_find_process(s, pid_in); |
ffd54a90 |
735 | s->process->state->s = LTTV_STATE_RUN; |
b445142a |
736 | s->process->state->change = s->parent.timestamp; |
dc877563 |
737 | return FALSE; |
738 | } |
739 | |
740 | |
b445142a |
741 | static gboolean process_fork(void *hook_data, void *call_data) |
dc877563 |
742 | { |
b445142a |
743 | LttField *f = ((LttvTraceHook *)hook_data)->f1; |
dc877563 |
744 | |
ba576a78 |
745 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
746 | |
747 | guint child_pid; |
748 | |
3d27549e |
749 | child_pid = ltt_event_get_unsigned(s->parent.e, f); |
ba576a78 |
750 | create_process(s, s->process, child_pid); |
dc877563 |
751 | return FALSE; |
752 | } |
753 | |
754 | |
b445142a |
755 | static gboolean process_exit(void *hook_data, void *call_data) |
dc877563 |
756 | { |
ba576a78 |
757 | LttvTracefileState *s = (LttvTracefileState *)call_data; |
dc877563 |
758 | |
759 | if(s->process != NULL) { |
ffd54a90 |
760 | s->process->state->s = LTTV_STATE_EXIT; |
dc877563 |
761 | } |
762 | return FALSE; |
763 | } |
764 | |
765 | |
308711e5 |
766 | void lttv_state_add_event_hooks(LttvTracesetState *self) |
dc877563 |
767 | { |
ba576a78 |
768 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
769 | |
ba576a78 |
770 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
771 | |
ba576a78 |
772 | LttvTraceState *ts; |
dc877563 |
773 | |
ba576a78 |
774 | LttvTracefileState *tfs; |
dc877563 |
775 | |
dc877563 |
776 | GArray *hooks; |
777 | |
b445142a |
778 | LttvTraceHook hook; |
dc877563 |
779 | |
780 | LttvAttributeValue val; |
781 | |
ba576a78 |
782 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
783 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
784 | ts = (LttvTraceState *)self->parent.traces[i]; |
dc877563 |
785 | |
786 | /* Find the eventtype id for the following events and register the |
787 | associated by id hooks. */ |
788 | |
b445142a |
789 | hooks = g_array_new(FALSE, FALSE, sizeof(LttvTraceHook)); |
790 | g_array_set_size(hooks, 9); |
791 | |
792 | lttv_trace_find_hook(ts->parent.t, "core","syscall_entry","syscall_id", |
793 | NULL, NULL, syscall_entry, &g_array_index(hooks, LttvTraceHook, 0)); |
cbe7c836 |
794 | |
b445142a |
795 | lttv_trace_find_hook(ts->parent.t, "core", "syscall_exit", NULL, NULL, |
796 | NULL, syscall_exit, &g_array_index(hooks, LttvTraceHook, 1)); |
cbe7c836 |
797 | |
b445142a |
798 | lttv_trace_find_hook(ts->parent.t, "core", "trap_entry", "trap_id", |
799 | NULL, NULL, trap_entry, &g_array_index(hooks, LttvTraceHook, 2)); |
cbe7c836 |
800 | |
b445142a |
801 | lttv_trace_find_hook(ts->parent.t, "core", "trap_exit", NULL, NULL, NULL, |
802 | trap_exit, &g_array_index(hooks, LttvTraceHook, 3)); |
cbe7c836 |
803 | |
b445142a |
804 | lttv_trace_find_hook(ts->parent.t, "core", "irq_entry", "irq_id", NULL, |
805 | NULL, irq_entry, &g_array_index(hooks, LttvTraceHook, 4)); |
cbe7c836 |
806 | |
b445142a |
807 | lttv_trace_find_hook(ts->parent.t, "core", "irq_exit", NULL, NULL, NULL, |
808 | irq_exit, &g_array_index(hooks, LttvTraceHook, 5)); |
cbe7c836 |
809 | |
b445142a |
810 | lttv_trace_find_hook(ts->parent.t, "core", "schedchange", "in", "out", |
811 | "out_state", schedchange, &g_array_index(hooks, LttvTraceHook, 6)); |
cbe7c836 |
812 | |
b445142a |
813 | lttv_trace_find_hook(ts->parent.t, "core", "process_fork", "child_pid", |
814 | NULL, NULL, process_fork, &g_array_index(hooks, LttvTraceHook, 7)); |
cbe7c836 |
815 | |
b445142a |
816 | lttv_trace_find_hook(ts->parent.t, "core", "process_exit", NULL, NULL, |
817 | NULL, process_exit, &g_array_index(hooks, LttvTraceHook, 8)); |
dc877563 |
818 | |
819 | /* Add these hooks to each before_event_by_id hooks list */ |
820 | |
ba576a78 |
821 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
822 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
823 | nb_tracefile = nb_control + nb_per_cpu; |
824 | for(j = 0 ; j < nb_tracefile ; j++) { |
825 | if(j < nb_control) { |
ba576a78 |
826 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
827 | } |
828 | else { |
cbe7c836 |
829 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
830 | } |
831 | |
832 | for(k = 0 ; k < hooks->len ; k++) { |
b445142a |
833 | hook = g_array_index(hooks, LttvTraceHook, k); |
834 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
835 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
ffd54a90 |
836 | } |
dc877563 |
837 | } |
ba576a78 |
838 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
839 | *(val.v_pointer) = hooks; |
dc877563 |
840 | } |
841 | } |
842 | |
843 | |
308711e5 |
844 | void lttv_state_remove_event_hooks(LttvTracesetState *self) |
dc877563 |
845 | { |
ba576a78 |
846 | LttvTraceset *traceset = self->parent.ts; |
dc877563 |
847 | |
ba576a78 |
848 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
dc877563 |
849 | |
ba576a78 |
850 | LttvTraceState *ts; |
dc877563 |
851 | |
ba576a78 |
852 | LttvTracefileState *tfs; |
dc877563 |
853 | |
dc877563 |
854 | GArray *hooks; |
855 | |
b445142a |
856 | LttvTraceHook hook; |
dc877563 |
857 | |
858 | LttvAttributeValue val; |
859 | |
ba576a78 |
860 | nb_trace = lttv_traceset_number(traceset); |
dc877563 |
861 | for(i = 0 ; i < nb_trace ; i++) { |
ba576a78 |
862 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
863 | lttv_attribute_find(self->parent.a, LTTV_STATE_HOOKS, LTTV_POINTER, &val); |
864 | hooks = *(val.v_pointer); |
dc877563 |
865 | |
866 | /* Add these hooks to each before_event_by_id hooks list */ |
867 | |
ba576a78 |
868 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
cbe7c836 |
869 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
dc877563 |
870 | nb_tracefile = nb_control + nb_per_cpu; |
871 | for(j = 0 ; j < nb_tracefile ; j++) { |
872 | if(j < nb_control) { |
ba576a78 |
873 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
dc877563 |
874 | } |
875 | else { |
cbe7c836 |
876 | tfs = LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
dc877563 |
877 | } |
878 | |
879 | for(k = 0 ; k < hooks->len ; k++) { |
b445142a |
880 | hook = g_array_index(hooks, LttvTraceHook, k); |
ba576a78 |
881 | lttv_hooks_remove_data( |
b445142a |
882 | lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
883 | hook.id), hook.h, &g_array_index(hooks, LttvTraceHook, k)); |
ffd54a90 |
884 | } |
dc877563 |
885 | } |
886 | g_array_free(hooks, TRUE); |
887 | } |
888 | } |
889 | |
890 | |
308711e5 |
891 | static gboolean block_end(void *hook_data, void *call_data) |
892 | { |
893 | LttvTracefileState *tfcs = (LttvTracefileState *)call_data; |
894 | |
895 | LttvTraceState *tcs = (LttvTraceState *)(tfcs->parent.t_context); |
896 | |
a5dcde2f |
897 | LttEventPosition *ep = ltt_event_position_new(); |
308711e5 |
898 | |
899 | guint nb_block, nb_event; |
900 | |
901 | LttTracefile *tf; |
902 | |
903 | LttvAttribute *saved_states_tree, *saved_state_tree; |
904 | |
905 | LttvAttributeValue value; |
906 | |
a5dcde2f |
907 | ltt_event_position(tfcs->parent.e, ep); |
308711e5 |
908 | |
a5dcde2f |
909 | ltt_event_position_get(ep, &nb_block, &nb_event, &tf); |
308711e5 |
910 | tcs->nb_event += nb_event - tfcs->saved_position; |
911 | tfcs->saved_position = 0; |
912 | if(tcs->nb_event >= tcs->save_interval) { |
913 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
914 | LTTV_STATE_SAVED_STATES); |
915 | saved_state_tree = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL); |
916 | value = lttv_attribute_add(saved_states_tree, |
917 | lttv_attribute_get_number(saved_states_tree), LTTV_GOBJECT); |
918 | *(value.v_gobject) = (GObject *)saved_state_tree; |
919 | value = lttv_attribute_add(saved_state_tree, LTTV_STATE_TIME, LTTV_TIME); |
920 | *(value.v_time) = tfcs->parent.timestamp; |
921 | lttv_state_save(tcs, saved_state_tree); |
922 | tcs->nb_event = 0; |
923 | } |
924 | return FALSE; |
925 | } |
926 | |
927 | |
928 | void lttv_state_save_add_event_hooks(LttvTracesetState *self) |
929 | { |
930 | LttvTraceset *traceset = self->parent.ts; |
931 | |
932 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
933 | |
934 | LttvTraceState *ts; |
935 | |
936 | LttvTracefileState *tfs; |
937 | |
938 | LttvTraceHook hook; |
939 | |
940 | nb_trace = lttv_traceset_number(traceset); |
941 | for(i = 0 ; i < nb_trace ; i++) { |
942 | ts = (LttvTraceState *)self->parent.traces[i]; |
943 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
944 | NULL, NULL, block_end, &hook); |
945 | |
946 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
947 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
948 | nb_tracefile = nb_control + nb_per_cpu; |
949 | for(j = 0 ; j < nb_tracefile ; j++) { |
950 | if(j < nb_control) { |
951 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
952 | } |
953 | else { |
954 | tfs =LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
955 | } |
956 | |
957 | lttv_hooks_add(lttv_hooks_by_id_find(tfs->parent.after_event_by_id, |
958 | hook.id), hook.h, NULL); |
959 | } |
960 | } |
961 | } |
962 | |
963 | |
964 | void lttv_state_save_remove_event_hooks(LttvTracesetState *self) |
965 | { |
966 | LttvTraceset *traceset = self->parent.ts; |
967 | |
968 | guint i, j, k, nb_trace, nb_control, nb_per_cpu, nb_tracefile; |
969 | |
970 | LttvTraceState *ts; |
971 | |
972 | LttvTracefileState *tfs; |
973 | |
974 | LttvTraceHook hook; |
975 | |
976 | nb_trace = lttv_traceset_number(traceset); |
977 | for(i = 0 ; i < nb_trace ; i++) { |
978 | ts = LTTV_TRACE_STATE(self->parent.traces[i]); |
979 | lttv_trace_find_hook(ts->parent.t, "core","block_end",NULL, |
980 | NULL, NULL, block_end, &hook); |
981 | |
982 | nb_control = ltt_trace_control_tracefile_number(ts->parent.t); |
983 | nb_per_cpu = ltt_trace_per_cpu_tracefile_number(ts->parent.t); |
984 | nb_tracefile = nb_control + nb_per_cpu; |
985 | for(j = 0 ; j < nb_tracefile ; j++) { |
986 | if(j < nb_control) { |
987 | tfs = LTTV_TRACEFILE_STATE(ts->parent.control_tracefiles[j]); |
988 | } |
989 | else { |
990 | tfs =LTTV_TRACEFILE_STATE(ts->parent.per_cpu_tracefiles[j-nb_control]); |
991 | } |
992 | |
993 | lttv_hooks_remove_data(lttv_hooks_by_id_find( |
994 | tfs->parent.after_event_by_id, hook.id), hook.h, NULL); |
995 | } |
996 | } |
997 | } |
998 | |
999 | |
dd025f91 |
1000 | void lttv_state_traceset_seek_time_closest(LttvTracesetState *self, LttTime t) |
308711e5 |
1001 | { |
1002 | LttvTraceset *traceset = self->parent.ts; |
1003 | |
1004 | guint i, j, nb_trace, nb_saved_state; |
1005 | |
1006 | int min_pos, mid_pos, max_pos; |
1007 | |
1008 | LttvTraceState *tcs; |
1009 | |
1010 | LttvAttributeValue value; |
1011 | |
1012 | LttvAttributeType type; |
1013 | |
1014 | LttvAttributeName name; |
1015 | |
1016 | LttvAttribute *saved_states_tree, *saved_state_tree, *closest_tree; |
1017 | |
1018 | nb_trace = lttv_traceset_number(traceset); |
1019 | for(i = 0 ; i < nb_trace ; i++) { |
1020 | tcs = (LttvTraceState *)self->parent.traces[i]; |
1021 | |
dd025f91 |
1022 | if(tcs->recompute_state_in_seek) { |
1023 | if(tcs->saved_state_available) { |
1024 | saved_states_tree = lttv_attribute_find_subdir(tcs->parent.t_a, |
1025 | LTTV_STATE_SAVED_STATES); |
1026 | min_pos = -1; |
1027 | max_pos = lttv_attribute_get_number(saved_states_tree) - 1; |
1028 | mid_pos = max_pos / 2; |
1029 | while(min_pos < max_pos) { |
1030 | type = lttv_attribute_get(saved_states_tree, mid_pos, &name, &value); |
1031 | g_assert(type == LTTV_GOBJECT); |
1032 | saved_state_tree = *((LttvAttribute **)(value.v_gobject)); |
1033 | type = lttv_attribute_get_by_name(saved_state_tree, LTTV_STATE_TIME, |
1034 | &value); |
1035 | g_assert(type == LTTV_TIME); |
1036 | if(ltt_time_compare(*(value.v_time), t) < 0) { |
1037 | min_pos = mid_pos; |
1038 | closest_tree = saved_state_tree; |
1039 | } |
1040 | else max_pos = mid_pos - 1; |
1041 | |
1042 | mid_pos = (min_pos + max_pos + 1) / 2; |
1043 | } |
1044 | |
1045 | /* restore the closest earlier saved state */ |
1046 | if(min_pos != -1) lttv_state_restore(tcs, closest_tree); |
1047 | |
9444deae |
1048 | } |
dd025f91 |
1049 | /* There is no saved state yet we want to have it. Restart at T0 */ |
1050 | else { |
1051 | restore_init_state(tcs); |
1052 | lttv_process_trace_seek_time(&(tcs->parent), ltt_time_zero); |
308711e5 |
1053 | } |
9444deae |
1054 | } |
dd025f91 |
1055 | /* We want to seek quickly without restoring/updating the state */ |
1056 | else { |
308711e5 |
1057 | restore_init_state(tcs); |
dd025f91 |
1058 | lttv_process_trace_seek_time(&(tcs->parent), t); |
308711e5 |
1059 | } |
308711e5 |
1060 | } |
1061 | } |
1062 | |
1063 | |
1064 | static void |
1065 | traceset_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1066 | { |
1067 | } |
1068 | |
1069 | |
1070 | static void |
1071 | traceset_state_finalize (LttvTracesetState *self) |
1072 | { |
1073 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_CONTEXT_TYPE))-> |
1074 | finalize(G_OBJECT(self)); |
1075 | } |
1076 | |
1077 | |
1078 | static void |
1079 | traceset_state_class_init (LttvTracesetContextClass *klass) |
1080 | { |
1081 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1082 | |
1083 | gobject_class->finalize = (void (*)(GObject *self)) traceset_state_finalize; |
1084 | klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init; |
1085 | klass->fini = (void (*)(LttvTracesetContext *self))fini; |
1086 | klass->new_traceset_context = new_traceset_context; |
1087 | klass->new_trace_context = new_trace_context; |
1088 | klass->new_tracefile_context = new_tracefile_context; |
1089 | } |
1090 | |
1091 | |
1092 | GType |
1093 | lttv_traceset_state_get_type(void) |
1094 | { |
1095 | static GType type = 0; |
1096 | if (type == 0) { |
1097 | static const GTypeInfo info = { |
1098 | sizeof (LttvTracesetStateClass), |
1099 | NULL, /* base_init */ |
1100 | NULL, /* base_finalize */ |
1101 | (GClassInitFunc) traceset_state_class_init, /* class_init */ |
1102 | NULL, /* class_finalize */ |
1103 | NULL, /* class_data */ |
1104 | sizeof (LttvTracesetContext), |
1105 | 0, /* n_preallocs */ |
1106 | (GInstanceInitFunc) traceset_state_instance_init /* instance_init */ |
1107 | }; |
1108 | |
1109 | type = g_type_register_static (LTTV_TRACESET_CONTEXT_TYPE, "LttvTracesetStateType", |
1110 | &info, 0); |
1111 | } |
1112 | return type; |
1113 | } |
1114 | |
1115 | |
1116 | static void |
1117 | trace_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1118 | { |
1119 | } |
1120 | |
1121 | |
1122 | static void |
1123 | trace_state_finalize (LttvTraceState *self) |
1124 | { |
1125 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_CONTEXT_TYPE))-> |
1126 | finalize(G_OBJECT(self)); |
1127 | } |
1128 | |
1129 | |
1130 | static void |
1131 | trace_state_class_init (LttvTraceStateClass *klass) |
1132 | { |
1133 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1134 | |
1135 | gobject_class->finalize = (void (*)(GObject *self)) trace_state_finalize; |
1136 | klass->state_save = state_save; |
1137 | klass->state_restore = state_restore; |
1138 | klass->state_saved_free = state_saved_free; |
1139 | } |
1140 | |
1141 | |
1142 | GType |
1143 | lttv_trace_state_get_type(void) |
1144 | { |
1145 | static GType type = 0; |
1146 | if (type == 0) { |
1147 | static const GTypeInfo info = { |
1148 | sizeof (LttvTraceStateClass), |
1149 | NULL, /* base_init */ |
1150 | NULL, /* base_finalize */ |
1151 | (GClassInitFunc) trace_state_class_init, /* class_init */ |
1152 | NULL, /* class_finalize */ |
1153 | NULL, /* class_data */ |
1154 | sizeof (LttvTraceState), |
1155 | 0, /* n_preallocs */ |
1156 | (GInstanceInitFunc) trace_state_instance_init /* instance_init */ |
1157 | }; |
1158 | |
1159 | type = g_type_register_static (LTTV_TRACE_CONTEXT_TYPE, |
1160 | "LttvTraceStateType", &info, 0); |
1161 | } |
1162 | return type; |
1163 | } |
1164 | |
1165 | |
1166 | static void |
1167 | tracefile_state_instance_init (GTypeInstance *instance, gpointer g_class) |
1168 | { |
1169 | } |
1170 | |
1171 | |
1172 | static void |
1173 | tracefile_state_finalize (LttvTracefileState *self) |
1174 | { |
1175 | G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_CONTEXT_TYPE))-> |
1176 | finalize(G_OBJECT(self)); |
1177 | } |
1178 | |
1179 | |
1180 | static void |
1181 | tracefile_state_class_init (LttvTracefileStateClass *klass) |
1182 | { |
1183 | GObjectClass *gobject_class = G_OBJECT_CLASS(klass); |
1184 | |
1185 | gobject_class->finalize = (void (*)(GObject *self)) tracefile_state_finalize; |
1186 | } |
1187 | |
1188 | |
1189 | GType |
1190 | lttv_tracefile_state_get_type(void) |
1191 | { |
1192 | static GType type = 0; |
1193 | if (type == 0) { |
1194 | static const GTypeInfo info = { |
1195 | sizeof (LttvTracefileStateClass), |
1196 | NULL, /* base_init */ |
1197 | NULL, /* base_finalize */ |
1198 | (GClassInitFunc) tracefile_state_class_init, /* class_init */ |
1199 | NULL, /* class_finalize */ |
1200 | NULL, /* class_data */ |
1201 | sizeof (LttvTracefileState), |
1202 | 0, /* n_preallocs */ |
1203 | (GInstanceInitFunc) tracefile_state_instance_init /* instance_init */ |
1204 | }; |
1205 | |
1206 | type = g_type_register_static (LTTV_TRACEFILE_CONTEXT_TYPE, |
1207 | "LttvTracefileStateType", &info, 0); |
1208 | } |
1209 | return type; |
1210 | } |
1211 | |
1212 | |
ffd54a90 |
1213 | void lttv_state_init(int argc, char **argv) |
1214 | { |
1215 | LTTV_STATE_UNNAMED = g_quark_from_string("unnamed"); |
b445142a |
1216 | LTTV_STATE_MODE_UNKNOWN = g_quark_from_string("unknown execution mode"); |
ffd54a90 |
1217 | LTTV_STATE_USER_MODE = g_quark_from_string("user mode"); |
1218 | LTTV_STATE_WAIT_FORK = g_quark_from_string("wait fork"); |
1219 | LTTV_STATE_SYSCALL = g_quark_from_string("system call"); |
1220 | LTTV_STATE_TRAP = g_quark_from_string("trap"); |
1221 | LTTV_STATE_IRQ = g_quark_from_string("irq"); |
b445142a |
1222 | LTTV_STATE_SUBMODE_UNKNOWN = g_quark_from_string("unknown submode"); |
1223 | LTTV_STATE_SUBMODE_NONE = g_quark_from_string("(no submode)"); |
ffd54a90 |
1224 | LTTV_STATE_WAIT_CPU = g_quark_from_string("wait for cpu"); |
1225 | LTTV_STATE_EXIT = g_quark_from_string("exiting"); |
1226 | LTTV_STATE_WAIT = g_quark_from_string("wait for I/O"); |
1227 | LTTV_STATE_RUN = g_quark_from_string("running"); |
308711e5 |
1228 | LTTV_STATE_TRACEFILES = g_quark_from_string("tracefiles"); |
1229 | LTTV_STATE_PROCESSES = g_quark_from_string("processes"); |
1230 | LTTV_STATE_PROCESS = g_quark_from_string("process"); |
1231 | LTTV_STATE_EVENT = g_quark_from_string("event"); |
1232 | LTTV_STATE_SAVED_STATES = g_quark_from_string("saved states"); |
1233 | LTTV_STATE_TIME = g_quark_from_string("time"); |
ffd54a90 |
1234 | LTTV_STATE_HOOKS = g_quark_from_string("saved state hooks"); |
1235 | } |
dc877563 |
1236 | |
ffd54a90 |
1237 | void lttv_state_destroy() |
1238 | { |
1239 | } |
dc877563 |
1240 | |
1241 | |
1242 | |
1243 | |