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1fc22eb4 JD |
1 | /* |
2 | * Copyright (C) 2011 Mathieu Bain <mathieu.bain@polymtl.ca> | |
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 | * | |
71bd7ce1 AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
1fc22eb4 JD |
16 | */ |
17 | ||
b093de8a MB |
18 | #include <stdlib.h> |
19 | #include <unistd.h> | |
20 | #include <sys/types.h> | |
21 | #include <sys/stat.h> | |
22 | #include <string.h> | |
1fc22eb4 JD |
23 | #include <babeltrace/babeltrace.h> |
24 | ||
25 | #include "lttngtoptypes.h" | |
26 | #include "common.h" | |
27 | #include "iostreamtop.h" | |
28 | ||
b093de8a MB |
29 | void add_file(struct processtop *proc, struct files *file, int fd) |
30 | { | |
ceb3a221 MB |
31 | struct files *tmp_file; |
32 | int size; | |
33 | ||
34 | size = proc->process_files_table->len; | |
35 | ||
36 | if (size <= fd) { | |
b093de8a MB |
37 | g_ptr_array_set_size(proc->process_files_table, fd); |
38 | g_ptr_array_add(proc->process_files_table, file); | |
39 | } else { | |
ceb3a221 MB |
40 | tmp_file = g_ptr_array_index(proc->process_files_table, fd); |
41 | if (tmp_file == NULL) | |
42 | g_ptr_array_index(proc->process_files_table, fd) = file; | |
43 | else { | |
44 | if (strcmp(tmp_file->name, file->name) != 0) { | |
45 | size = proc->process_files_table->len; | |
46 | g_ptr_array_set_size(proc->process_files_table, | |
47 | size+1); | |
48 | g_ptr_array_index(proc->process_files_table, | |
49 | size) = tmp_file; | |
50 | g_ptr_array_index(proc->process_files_table, | |
51 | fd) = file; | |
52 | } else | |
53 | tmp_file->flag = __NR_open; | |
54 | } | |
b093de8a MB |
55 | } |
56 | file->fd = fd; | |
ceb3a221 | 57 | file->flag = __NR_open; |
b093de8a MB |
58 | } |
59 | ||
ceb3a221 MB |
60 | /* TODO */ |
61 | /* To be done */ | |
62 | void edit_file(struct processtop *proc, struct files *file, int fd) | |
63 | { | |
64 | int size = proc->process_files_table->len; | |
65 | struct files *tmpfile; | |
66 | ||
67 | if (size <= fd) | |
68 | return; | |
69 | else { | |
70 | tmpfile = g_ptr_array_index(proc->process_files_table, fd); | |
71 | tmpfile->name = strdup(file->name); | |
72 | free(file); | |
73 | } | |
74 | } | |
b093de8a MB |
75 | |
76 | void insert_file(struct processtop *proc, int fd) | |
77 | { | |
78 | struct files *tmp; | |
79 | ||
80 | if (fd >= proc->process_files_table->len) { | |
81 | tmp = g_new0(struct files, 1); | |
82 | tmp->name = "Unknown"; | |
ceb3a221 MB |
83 | tmp->read = 0; |
84 | tmp->write = 0; | |
85 | tmp->fd = fd; | |
b093de8a MB |
86 | add_file(proc, tmp, fd); |
87 | } else { | |
88 | ||
89 | tmp = g_ptr_array_index(proc->process_files_table, fd); | |
90 | if (tmp == NULL) { | |
91 | tmp = g_new0(struct files, 1); | |
92 | tmp->name = "Unknown"; | |
93 | tmp->read = 0; | |
94 | tmp->write = 0; | |
95 | tmp->fd = fd; | |
96 | add_file(proc, tmp, fd); | |
97 | } | |
98 | } | |
99 | } | |
100 | ||
101 | void close_file(struct processtop *proc, int fd) | |
ceb3a221 MB |
102 | { |
103 | struct files *file; | |
104 | ||
105 | ||
106 | file = get_file(proc, fd); | |
107 | if (file != NULL) | |
108 | file->flag = __NR_close; | |
109 | } | |
110 | ||
111 | struct files *get_file(struct processtop *proc, int fd) | |
b093de8a MB |
112 | { |
113 | int len; | |
ceb3a221 | 114 | struct files *tmp = NULL; |
b093de8a MB |
115 | |
116 | len = proc->process_files_table->len; | |
117 | ||
118 | /* | |
119 | * It is possible that a file was open before taking the trace | |
120 | * and its fd could be greater than all of the others fd | |
121 | * used by the process | |
122 | */ | |
ceb3a221 MB |
123 | if (fd < len && fd >= 0) |
124 | tmp = g_ptr_array_index(proc->process_files_table, fd); | |
b093de8a | 125 | |
b093de8a MB |
126 | return tmp; |
127 | } | |
128 | ||
129 | void show_table(GPtrArray *tab) | |
130 | { | |
131 | int i; | |
132 | struct files *file; | |
133 | ||
134 | for (i = 0 ; i < tab->len; i++) { | |
135 | file = g_ptr_array_index(tab, i); | |
136 | if (file == NULL) | |
137 | fprintf(stderr, "NULL, "); | |
138 | else | |
139 | fprintf(stderr, "%s, ", file->name); | |
140 | } | |
141 | fprintf(stderr, "]\n\n"); | |
142 | } | |
1fc22eb4 | 143 | |
ceb3a221 MB |
144 | void show_history(struct file_history *history) |
145 | { | |
146 | struct file_history *tmp = history; | |
147 | ||
148 | while (tmp != NULL) { | |
149 | fprintf(stderr, "fd = %d, name = %s\n", tmp->file->fd, | |
150 | tmp->file->name); | |
151 | tmp = tmp->next; | |
152 | } | |
153 | ||
154 | } | |
155 | ||
1fc22eb4 | 156 | int update_iostream_ret(struct lttngtop *ctx, int tid, char *comm, |
d67167cd | 157 | unsigned long timestamp, uint64_t cpu_id, int ret) |
1fc22eb4 JD |
158 | { |
159 | struct processtop *tmp; | |
b093de8a | 160 | struct files *tmpfile; |
1fc22eb4 JD |
161 | int err = 0; |
162 | ||
163 | tmp = get_proc(ctx, tid, comm, timestamp); | |
b093de8a MB |
164 | |
165 | if (tmp->syscall_info != NULL) { | |
166 | if (tmp->syscall_info->type == __NR_read | |
167 | && ret > 0) { | |
168 | tmp->totalfileread += ret; | |
169 | tmp->fileread += ret; | |
170 | tmpfile = get_file(tmp, tmp->syscall_info->fd); | |
171 | tmpfile->read += ret; | |
172 | } else if (tmp->syscall_info->type == __NR_write | |
173 | && ret > 0) { | |
174 | tmp->totalfilewrite += ret; | |
175 | tmp->filewrite += ret; | |
176 | tmpfile = get_file(tmp, tmp->syscall_info->fd); | |
177 | tmpfile->write += ret; | |
178 | } else if (tmp->syscall_info->type == __NR_open | |
179 | && ret > 0) { | |
ceb3a221 MB |
180 | tmpfile = tmp->files_history->file; |
181 | add_file(tmp, tmpfile, ret); | |
182 | tmpfile->fd = ret; | |
b093de8a | 183 | } else { |
1fc22eb4 JD |
184 | err = -1; |
185 | } | |
b093de8a MB |
186 | g_free(tmp->syscall_info); |
187 | tmp->syscall_info = NULL; | |
188 | } | |
1fc22eb4 JD |
189 | return err; |
190 | } | |
191 | ||
d67167cd | 192 | struct syscalls *create_syscall_info(unsigned int type, uint64_t cpu_id, |
b093de8a MB |
193 | unsigned int tid, int fd) |
194 | { | |
195 | struct syscalls *syscall_info; | |
196 | ||
197 | syscall_info = g_new0(struct syscalls, 1); | |
198 | syscall_info->type = type; | |
199 | syscall_info->cpu_id = cpu_id; | |
200 | syscall_info->tid = tid; | |
201 | syscall_info->fd = fd; | |
202 | ||
203 | return syscall_info; | |
204 | } | |
205 | ||
206 | struct file_history *create_file(struct file_history *history, char *file_name) | |
207 | { | |
208 | struct files *new_file; | |
209 | struct file_history *new_history; | |
210 | ||
211 | new_file = g_new0(struct files, 1); | |
212 | new_history = g_new0(struct file_history, 1); | |
213 | new_file->name = strdup(file_name); | |
214 | new_file->read = 0; | |
215 | new_file->write = 0; | |
216 | new_history->file = new_file; | |
217 | new_history->next = history; | |
218 | ||
219 | return new_history; | |
220 | } | |
221 | ||
1fc22eb4 JD |
222 | enum bt_cb_ret handle_exit_syscall(struct bt_ctf_event *call_data, |
223 | void *private_data) | |
224 | { | |
3ba84bed | 225 | const struct definition *scope; |
1fc22eb4 JD |
226 | unsigned long timestamp; |
227 | char *comm; | |
228 | uint64_t ret, tid; | |
d67167cd | 229 | uint64_t cpu_id; |
1fc22eb4 JD |
230 | |
231 | timestamp = bt_ctf_get_timestamp(call_data); | |
232 | if (timestamp == -1ULL) | |
233 | goto error; | |
234 | ||
1dec520a JD |
235 | comm = get_context_comm(call_data); |
236 | tid = get_context_tid(call_data); | |
1fc22eb4 JD |
237 | |
238 | scope = bt_ctf_get_top_level_scope(call_data, | |
239 | BT_EVENT_FIELDS); | |
240 | ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
241 | scope, "_ret")); | |
242 | if (bt_ctf_field_get_error()) { | |
243 | fprintf(stderr, "Missing ret context info\n"); | |
244 | goto error; | |
245 | } | |
246 | ||
d67167cd | 247 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 JD |
248 | |
249 | /* | |
b093de8a MB |
250 | * if we encounter an exit_syscall and |
251 | * it is not for a syscall read or write | |
1fc22eb4 JD |
252 | * we just abort the execution of this callback |
253 | */ | |
254 | if ((update_iostream_ret(<tngtop, tid, comm, timestamp, cpu_id, ret)) < 0) | |
255 | return BT_CB_ERROR_CONTINUE; | |
256 | ||
257 | return BT_CB_OK; | |
258 | ||
259 | error: | |
260 | return BT_CB_ERROR_STOP; | |
261 | } | |
262 | ||
263 | ||
264 | enum bt_cb_ret handle_sys_write(struct bt_ctf_event *call_data, | |
265 | void *private_data) | |
266 | { | |
3ba84bed | 267 | const struct definition *scope; |
1fc22eb4 | 268 | struct processtop *tmp; |
1fc22eb4 JD |
269 | unsigned long timestamp; |
270 | uint64_t cpu_id; | |
271 | char *comm; | |
272 | int64_t tid; | |
b093de8a | 273 | int fd; |
1fc22eb4 JD |
274 | |
275 | timestamp = bt_ctf_get_timestamp(call_data); | |
276 | if (timestamp == -1ULL) | |
277 | goto error; | |
278 | ||
1dec520a JD |
279 | comm = get_context_comm(call_data); |
280 | tid = get_context_tid(call_data); | |
d67167cd | 281 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 | 282 | |
b093de8a MB |
283 | scope = bt_ctf_get_top_level_scope(call_data, |
284 | BT_EVENT_FIELDS); | |
285 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
286 | scope, "_fd")); | |
287 | if (bt_ctf_field_get_error()) { | |
288 | fprintf(stderr, "Missing fd context info\n"); | |
289 | goto error; | |
290 | } | |
291 | ||
1fc22eb4 | 292 | tmp = get_proc(<tngtop, tid, comm, timestamp); |
b093de8a MB |
293 | tmp->syscall_info = create_syscall_info(__NR_write, cpu_id, tid, fd); |
294 | ||
295 | insert_file(tmp, fd); | |
1fc22eb4 JD |
296 | |
297 | return BT_CB_OK; | |
298 | ||
299 | error: | |
300 | return BT_CB_ERROR_STOP; | |
301 | } | |
302 | ||
303 | enum bt_cb_ret handle_sys_read(struct bt_ctf_event *call_data, | |
304 | void *private_data) | |
305 | { | |
306 | struct processtop *tmp; | |
3ba84bed | 307 | const struct definition *scope; |
1fc22eb4 JD |
308 | unsigned long timestamp; |
309 | uint64_t cpu_id; | |
310 | char *comm; | |
311 | int64_t tid; | |
b093de8a | 312 | int fd; |
1fc22eb4 JD |
313 | |
314 | timestamp = bt_ctf_get_timestamp(call_data); | |
315 | if (timestamp == -1ULL) | |
316 | goto error; | |
317 | ||
1dec520a JD |
318 | comm = get_context_comm(call_data); |
319 | tid = get_context_tid(call_data); | |
d67167cd | 320 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 | 321 | |
b093de8a MB |
322 | scope = bt_ctf_get_top_level_scope(call_data, |
323 | BT_EVENT_FIELDS); | |
324 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
325 | scope, "_fd")); | |
326 | if (bt_ctf_field_get_error()) { | |
327 | fprintf(stderr, "Missing fd context info\n"); | |
328 | goto error; | |
329 | } | |
330 | ||
331 | tmp = get_proc(<tngtop, tid, comm, timestamp); | |
332 | tmp->syscall_info = create_syscall_info(__NR_read, cpu_id, tid, fd); | |
333 | ||
334 | insert_file(tmp, fd); | |
335 | ||
336 | return BT_CB_OK; | |
337 | ||
338 | error: | |
339 | return BT_CB_ERROR_STOP; | |
340 | } | |
341 | ||
342 | ||
343 | enum bt_cb_ret handle_sys_open(struct bt_ctf_event *call_data, | |
344 | void *private_data) | |
345 | { | |
346 | ||
347 | struct processtop *tmp; | |
3ba84bed | 348 | const struct definition *scope; |
b093de8a MB |
349 | unsigned long timestamp; |
350 | uint64_t cpu_id; | |
351 | char *comm; | |
352 | int64_t tid; | |
353 | char *file; | |
354 | ||
355 | timestamp = bt_ctf_get_timestamp(call_data); | |
356 | if (timestamp == -1ULL) | |
357 | goto error; | |
358 | ||
1dec520a JD |
359 | comm = get_context_comm(call_data); |
360 | tid = get_context_tid(call_data); | |
d67167cd | 361 | cpu_id = get_cpu_id(call_data); |
b093de8a MB |
362 | |
363 | scope = bt_ctf_get_top_level_scope(call_data, | |
364 | BT_EVENT_FIELDS); | |
365 | file = bt_ctf_get_string(bt_ctf_get_field(call_data, | |
366 | scope, "_filename")); | |
367 | if (bt_ctf_field_get_error()) { | |
ceb3a221 | 368 | fprintf(stderr, "Missing file name context info\n"); |
b093de8a MB |
369 | goto error; |
370 | } | |
371 | ||
1fc22eb4 | 372 | tmp = get_proc(<tngtop, tid, comm, timestamp); |
b093de8a MB |
373 | tmp->syscall_info = create_syscall_info(__NR_open, cpu_id, tid, -1); |
374 | ||
375 | tmp->files_history = create_file(tmp->files_history, file); | |
1fc22eb4 JD |
376 | |
377 | return BT_CB_OK; | |
378 | ||
379 | error: | |
380 | return BT_CB_ERROR_STOP; | |
381 | } | |
382 | ||
b093de8a MB |
383 | |
384 | enum bt_cb_ret handle_sys_close(struct bt_ctf_event *call_data, | |
385 | void *private_data) | |
386 | { | |
3ba84bed | 387 | const struct definition *scope; |
b093de8a MB |
388 | unsigned long timestamp; |
389 | int64_t tid; | |
390 | struct processtop *tmp; | |
391 | char *comm; | |
392 | int fd; | |
393 | ||
394 | timestamp = bt_ctf_get_timestamp(call_data); | |
395 | if (timestamp == -1ULL) | |
396 | goto error; | |
397 | ||
1dec520a JD |
398 | comm = get_context_comm(call_data); |
399 | tid = get_context_tid(call_data); | |
b093de8a MB |
400 | |
401 | scope = bt_ctf_get_top_level_scope(call_data, | |
402 | BT_EVENT_FIELDS); | |
403 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
404 | scope, "_fd")); | |
405 | if (bt_ctf_field_get_error()) { | |
406 | fprintf(stderr, "Missing fd context info\n"); | |
407 | goto error; | |
408 | } | |
409 | ||
410 | tmp = get_proc(<tngtop, tid, comm, timestamp); | |
ceb3a221 | 411 | |
b093de8a MB |
412 | close_file(tmp, fd); |
413 | ||
414 | return BT_CB_OK; | |
415 | ||
416 | error: | |
417 | return BT_CB_ERROR_STOP; | |
418 | } | |
ceb3a221 MB |
419 | /* |
420 | enum bt_cb_ret handle_statedump_file_descriptor(struct bt_ctf_event *call_data, | |
421 | void *private_data) | |
422 | { | |
423 | struct definition *scope; | |
424 | struct files *file; | |
425 | unsigned long timestamp; | |
426 | int64_t tid; | |
427 | struct processtop *tmp; | |
428 | char *comm, *file_name; | |
429 | int fd; | |
430 | ||
431 | timestamp = bt_ctf_get_timestamp(call_data); | |
432 | if (timestamp == -1ULL) | |
433 | goto error; | |
434 | ||
435 | comm = get_context_comm(call_data); | |
436 | ||
437 | scope = bt_ctf_get_top_level_scope(call_data, | |
438 | BT_EVENT_FIELDS); | |
439 | tid = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
440 | scope, "_tid")); | |
441 | if (bt_ctf_field_get_error()) { | |
442 | fprintf(stderr, "Missing tid context info\n"); | |
443 | goto error; | |
444 | } | |
445 | ||
446 | scope = bt_ctf_get_top_level_scope(call_data, | |
447 | BT_EVENT_FIELDS); | |
448 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
449 | scope, "_fd")); | |
450 | if (bt_ctf_field_get_error()) { | |
451 | fprintf(stderr, "Missing fd context info\n"); | |
452 | goto error; | |
453 | } | |
454 | ||
455 | scope = bt_ctf_get_top_level_scope(call_data, | |
456 | BT_EVENT_FIELDS); | |
457 | file_name = bt_ctf_get_string(bt_ctf_get_field(call_data, | |
458 | scope, "_filename")); | |
459 | if (bt_ctf_field_get_error()) { | |
460 | fprintf(stderr, "Missing file name context info\n"); | |
461 | goto error; | |
462 | } | |
463 | ||
464 | file = g_new0(struct files, 1); | |
465 | file->name = strdup(file_name); | |
466 | file->fd = fd; | |
467 | tmp = find_process_tid(<tngtop, tid, comm); | |
468 | edit_file(tmp, file, fd); | |
469 | ||
470 | fprintf(stderr, "%lu %s\n", tmp->tid, file_name); | |
471 | ||
472 | return BT_CB_OK; | |
473 | ||
474 | error: | |
475 | return BT_CB_ERROR_STOP; | |
476 | } | |
477 | */ |