Commit | Line | Data |
---|---|---|
1fc22eb4 | 1 | /* |
aa15ac1c | 2 | * Copyright (C) 2011-2012 Mathieu Bain <mathieu.bain@polymtl.ca> |
1fc22eb4 JD |
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 | 31 | struct files *tmp_file; |
59288610 | 32 | struct processtop *parent; |
ceb3a221 | 33 | int size; |
32647247 | 34 | int i; |
ceb3a221 MB |
35 | |
36 | size = proc->process_files_table->len; | |
59288610 MB |
37 | parent = proc->threadparent; |
38 | if (parent) | |
39 | insert_file(parent, fd); | |
ceb3a221 | 40 | if (size <= fd) { |
32647247 JD |
41 | /* Add NULL file structures for undefined FDs */ |
42 | for (i = size; i < fd; i++) { | |
43 | g_ptr_array_add(proc->process_files_table, NULL); | |
44 | } | |
b093de8a MB |
45 | g_ptr_array_add(proc->process_files_table, file); |
46 | } else { | |
ceb3a221 MB |
47 | tmp_file = g_ptr_array_index(proc->process_files_table, fd); |
48 | if (tmp_file == NULL) | |
49 | g_ptr_array_index(proc->process_files_table, fd) = file; | |
50 | else { | |
51 | if (strcmp(tmp_file->name, file->name) != 0) { | |
52 | size = proc->process_files_table->len; | |
53 | g_ptr_array_set_size(proc->process_files_table, | |
59288610 | 54 | size+1); |
ceb3a221 MB |
55 | g_ptr_array_index(proc->process_files_table, |
56 | size) = tmp_file; | |
57 | g_ptr_array_index(proc->process_files_table, | |
58 | fd) = file; | |
59 | } else | |
60 | tmp_file->flag = __NR_open; | |
61 | } | |
b093de8a | 62 | } |
59288610 MB |
63 | /* |
64 | * The file may have be created in the parent | |
65 | */ | |
66 | if (file->flag == -1) { | |
67 | file->fd = fd; | |
68 | file->flag = __NR_open; | |
69 | lttngtop.nbfiles++; | |
70 | lttngtop.nbnewfiles++; | |
71 | } | |
b093de8a MB |
72 | } |
73 | ||
59288610 MB |
74 | /* |
75 | * Edit the file | |
76 | * Called by handled_statedump_filename | |
77 | */ | |
ceb3a221 MB |
78 | void edit_file(struct processtop *proc, struct files *file, int fd) |
79 | { | |
80 | int size = proc->process_files_table->len; | |
81 | struct files *tmpfile; | |
82 | ||
59288610 MB |
83 | if (fd >= size) { |
84 | add_file(proc, file, fd); | |
85 | } else { | |
ceb3a221 | 86 | tmpfile = g_ptr_array_index(proc->process_files_table, fd); |
59288610 MB |
87 | if (tmpfile) { |
88 | tmpfile->name = strdup(file->name); | |
89 | free(file); | |
90 | } else | |
91 | add_file(proc, file, fd); | |
ceb3a221 MB |
92 | } |
93 | } | |
b093de8a MB |
94 | |
95 | void insert_file(struct processtop *proc, int fd) | |
96 | { | |
97 | struct files *tmp; | |
59288610 MB |
98 | struct files *tmp_parent; |
99 | struct processtop *parent; | |
b093de8a | 100 | |
59288610 MB |
101 | if (fd < 0) |
102 | return; | |
b093de8a MB |
103 | if (fd >= proc->process_files_table->len) { |
104 | tmp = g_new0(struct files, 1); | |
105 | tmp->name = "Unknown"; | |
ceb3a221 MB |
106 | tmp->read = 0; |
107 | tmp->write = 0; | |
108 | tmp->fd = fd; | |
59288610 | 109 | tmp->flag = -1; |
b093de8a MB |
110 | add_file(proc, tmp, fd); |
111 | } else { | |
b093de8a MB |
112 | tmp = g_ptr_array_index(proc->process_files_table, fd); |
113 | if (tmp == NULL) { | |
114 | tmp = g_new0(struct files, 1); | |
115 | tmp->name = "Unknown"; | |
116 | tmp->read = 0; | |
117 | tmp->write = 0; | |
118 | tmp->fd = fd; | |
59288610 | 119 | tmp->flag = -1; |
b093de8a | 120 | add_file(proc, tmp, fd); |
59288610 MB |
121 | } else { |
122 | parent = proc->threadparent; | |
123 | if (parent) { | |
124 | tmp_parent = g_ptr_array_index( | |
125 | parent->process_files_table, fd); | |
126 | if (tmp_parent && | |
127 | (strcmp(tmp->name, tmp_parent->name)) != 0) | |
128 | tmp->name = strdup(tmp_parent->name); | |
129 | } | |
b093de8a MB |
130 | } |
131 | } | |
132 | } | |
133 | ||
134 | void close_file(struct processtop *proc, int fd) | |
ceb3a221 MB |
135 | { |
136 | struct files *file; | |
137 | ||
ceb3a221 | 138 | file = get_file(proc, fd); |
e05a35a6 | 139 | if (file != NULL) { |
ceb3a221 | 140 | file->flag = __NR_close; |
e05a35a6 JD |
141 | lttngtop.nbfiles--; |
142 | } | |
143 | lttngtop.nbclosedfiles++; | |
ceb3a221 MB |
144 | } |
145 | ||
146 | struct files *get_file(struct processtop *proc, int fd) | |
b093de8a MB |
147 | { |
148 | int len; | |
ceb3a221 | 149 | struct files *tmp = NULL; |
b093de8a MB |
150 | |
151 | len = proc->process_files_table->len; | |
152 | ||
153 | /* | |
154 | * It is possible that a file was open before taking the trace | |
155 | * and its fd could be greater than all of the others fd | |
156 | * used by the process | |
157 | */ | |
ceb3a221 MB |
158 | if (fd < len && fd >= 0) |
159 | tmp = g_ptr_array_index(proc->process_files_table, fd); | |
b093de8a | 160 | |
b093de8a MB |
161 | return tmp; |
162 | } | |
163 | ||
164 | void show_table(GPtrArray *tab) | |
165 | { | |
166 | int i; | |
167 | struct files *file; | |
168 | ||
169 | for (i = 0 ; i < tab->len; i++) { | |
170 | file = g_ptr_array_index(tab, i); | |
171 | if (file == NULL) | |
172 | fprintf(stderr, "NULL, "); | |
173 | else | |
174 | fprintf(stderr, "%s, ", file->name); | |
175 | } | |
176 | fprintf(stderr, "]\n\n"); | |
177 | } | |
1fc22eb4 | 178 | |
ceb3a221 MB |
179 | void show_history(struct file_history *history) |
180 | { | |
181 | struct file_history *tmp = history; | |
182 | ||
183 | while (tmp != NULL) { | |
184 | fprintf(stderr, "fd = %d, name = %s\n", tmp->file->fd, | |
185 | tmp->file->name); | |
186 | tmp = tmp->next; | |
187 | } | |
188 | ||
189 | } | |
190 | ||
1fc22eb4 | 191 | int update_iostream_ret(struct lttngtop *ctx, int tid, char *comm, |
d67167cd | 192 | unsigned long timestamp, uint64_t cpu_id, int ret) |
1fc22eb4 JD |
193 | { |
194 | struct processtop *tmp; | |
b093de8a | 195 | struct files *tmpfile; |
1fc22eb4 JD |
196 | int err = 0; |
197 | ||
198 | tmp = get_proc(ctx, tid, comm, timestamp); | |
b093de8a MB |
199 | |
200 | if (tmp->syscall_info != NULL) { | |
201 | if (tmp->syscall_info->type == __NR_read | |
202 | && ret > 0) { | |
203 | tmp->totalfileread += ret; | |
204 | tmp->fileread += ret; | |
205 | tmpfile = get_file(tmp, tmp->syscall_info->fd); | |
6f29d91e JD |
206 | if (tmpfile) |
207 | tmpfile->read += ret; | |
b093de8a MB |
208 | } else if (tmp->syscall_info->type == __NR_write |
209 | && ret > 0) { | |
210 | tmp->totalfilewrite += ret; | |
211 | tmp->filewrite += ret; | |
212 | tmpfile = get_file(tmp, tmp->syscall_info->fd); | |
6f29d91e JD |
213 | if (tmpfile) |
214 | tmpfile->write += ret; | |
b093de8a MB |
215 | } else if (tmp->syscall_info->type == __NR_open |
216 | && ret > 0) { | |
ceb3a221 MB |
217 | tmpfile = tmp->files_history->file; |
218 | add_file(tmp, tmpfile, ret); | |
219 | tmpfile->fd = ret; | |
b093de8a | 220 | } else { |
1fc22eb4 JD |
221 | err = -1; |
222 | } | |
b093de8a MB |
223 | g_free(tmp->syscall_info); |
224 | tmp->syscall_info = NULL; | |
225 | } | |
1fc22eb4 JD |
226 | return err; |
227 | } | |
228 | ||
d67167cd | 229 | struct syscalls *create_syscall_info(unsigned int type, uint64_t cpu_id, |
b093de8a MB |
230 | unsigned int tid, int fd) |
231 | { | |
232 | struct syscalls *syscall_info; | |
233 | ||
234 | syscall_info = g_new0(struct syscalls, 1); | |
235 | syscall_info->type = type; | |
236 | syscall_info->cpu_id = cpu_id; | |
237 | syscall_info->tid = tid; | |
238 | syscall_info->fd = fd; | |
239 | ||
240 | return syscall_info; | |
241 | } | |
242 | ||
243 | struct file_history *create_file(struct file_history *history, char *file_name) | |
244 | { | |
245 | struct files *new_file; | |
246 | struct file_history *new_history; | |
247 | ||
248 | new_file = g_new0(struct files, 1); | |
249 | new_history = g_new0(struct file_history, 1); | |
250 | new_file->name = strdup(file_name); | |
251 | new_file->read = 0; | |
252 | new_file->write = 0; | |
59288610 | 253 | new_file->flag = -1; |
b093de8a MB |
254 | new_history->file = new_file; |
255 | new_history->next = history; | |
256 | ||
257 | return new_history; | |
258 | } | |
259 | ||
4adc8274 | 260 | enum bt_cb_ret handle_exit_syscall(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
261 | void *private_data) |
262 | { | |
2e0a1190 | 263 | const struct bt_definition *scope; |
1fc22eb4 JD |
264 | unsigned long timestamp; |
265 | char *comm; | |
266 | uint64_t ret, tid; | |
d67167cd | 267 | uint64_t cpu_id; |
1fc22eb4 | 268 | |
c78f2cdc | 269 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
270 | if (timestamp == -1ULL) |
271 | goto error; | |
272 | ||
1dec520a JD |
273 | comm = get_context_comm(call_data); |
274 | tid = get_context_tid(call_data); | |
1fc22eb4 JD |
275 | |
276 | scope = bt_ctf_get_top_level_scope(call_data, | |
277 | BT_EVENT_FIELDS); | |
278 | ret = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
279 | scope, "_ret")); | |
280 | if (bt_ctf_field_get_error()) { | |
281 | fprintf(stderr, "Missing ret context info\n"); | |
282 | goto error; | |
283 | } | |
284 | ||
d67167cd | 285 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 JD |
286 | |
287 | /* | |
b093de8a MB |
288 | * if we encounter an exit_syscall and |
289 | * it is not for a syscall read or write | |
1fc22eb4 JD |
290 | * we just abort the execution of this callback |
291 | */ | |
292 | if ((update_iostream_ret(<tngtop, tid, comm, timestamp, cpu_id, ret)) < 0) | |
293 | return BT_CB_ERROR_CONTINUE; | |
294 | ||
295 | return BT_CB_OK; | |
296 | ||
297 | error: | |
298 | return BT_CB_ERROR_STOP; | |
299 | } | |
300 | ||
301 | ||
4adc8274 | 302 | enum bt_cb_ret handle_sys_write(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
303 | void *private_data) |
304 | { | |
2e0a1190 | 305 | const struct bt_definition *scope; |
1fc22eb4 | 306 | struct processtop *tmp; |
1fc22eb4 JD |
307 | unsigned long timestamp; |
308 | uint64_t cpu_id; | |
928f18a6 MB |
309 | int64_t tid; |
310 | char *procname; | |
b093de8a | 311 | int fd; |
1fc22eb4 | 312 | |
c78f2cdc | 313 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
314 | if (timestamp == -1ULL) |
315 | goto error; | |
316 | ||
1dec520a | 317 | tid = get_context_tid(call_data); |
d67167cd | 318 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 | 319 | |
928f18a6 | 320 | procname = get_context_comm(call_data); |
59288610 | 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 | ||
928f18a6 | 331 | tmp = get_proc(<tngtop, tid, procname, timestamp); |
b093de8a MB |
332 | tmp->syscall_info = create_syscall_info(__NR_write, cpu_id, tid, fd); |
333 | ||
334 | insert_file(tmp, fd); | |
1fc22eb4 JD |
335 | |
336 | return BT_CB_OK; | |
337 | ||
338 | error: | |
339 | return BT_CB_ERROR_STOP; | |
340 | } | |
341 | ||
4adc8274 | 342 | enum bt_cb_ret handle_sys_read(struct bt_ctf_event *call_data, |
1fc22eb4 JD |
343 | void *private_data) |
344 | { | |
345 | struct processtop *tmp; | |
2e0a1190 | 346 | const struct bt_definition *scope; |
1fc22eb4 JD |
347 | unsigned long timestamp; |
348 | uint64_t cpu_id; | |
928f18a6 MB |
349 | int64_t tid; |
350 | char *procname; | |
b093de8a | 351 | int fd; |
1fc22eb4 | 352 | |
c78f2cdc | 353 | timestamp = bt_ctf_get_timestamp(call_data); |
1fc22eb4 JD |
354 | if (timestamp == -1ULL) |
355 | goto error; | |
356 | ||
1dec520a | 357 | tid = get_context_tid(call_data); |
d67167cd | 358 | cpu_id = get_cpu_id(call_data); |
1fc22eb4 | 359 | |
928f18a6 | 360 | procname = get_context_comm(call_data); |
59288610 | 361 | |
b093de8a MB |
362 | scope = bt_ctf_get_top_level_scope(call_data, |
363 | BT_EVENT_FIELDS); | |
364 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
365 | scope, "_fd")); | |
366 | if (bt_ctf_field_get_error()) { | |
367 | fprintf(stderr, "Missing fd context info\n"); | |
368 | goto error; | |
369 | } | |
370 | ||
928f18a6 | 371 | tmp = get_proc(<tngtop, tid, procname, timestamp); |
b093de8a MB |
372 | tmp->syscall_info = create_syscall_info(__NR_read, cpu_id, tid, fd); |
373 | ||
374 | insert_file(tmp, fd); | |
375 | ||
376 | return BT_CB_OK; | |
377 | ||
378 | error: | |
379 | return BT_CB_ERROR_STOP; | |
380 | } | |
381 | ||
382 | ||
4adc8274 | 383 | enum bt_cb_ret handle_sys_open(struct bt_ctf_event *call_data, |
b093de8a MB |
384 | void *private_data) |
385 | { | |
386 | ||
387 | struct processtop *tmp; | |
2e0a1190 | 388 | const struct bt_definition *scope; |
b093de8a MB |
389 | unsigned long timestamp; |
390 | uint64_t cpu_id; | |
928f18a6 MB |
391 | int64_t tid; |
392 | char *procname; | |
b093de8a MB |
393 | char *file; |
394 | ||
c78f2cdc | 395 | timestamp = bt_ctf_get_timestamp(call_data); |
b093de8a MB |
396 | if (timestamp == -1ULL) |
397 | goto error; | |
398 | ||
1dec520a | 399 | tid = get_context_tid(call_data); |
d67167cd | 400 | cpu_id = get_cpu_id(call_data); |
b093de8a | 401 | |
928f18a6 | 402 | procname = get_context_comm(call_data); |
59288610 | 403 | |
b093de8a MB |
404 | scope = bt_ctf_get_top_level_scope(call_data, |
405 | BT_EVENT_FIELDS); | |
406 | file = bt_ctf_get_string(bt_ctf_get_field(call_data, | |
407 | scope, "_filename")); | |
408 | if (bt_ctf_field_get_error()) { | |
ceb3a221 | 409 | fprintf(stderr, "Missing file name context info\n"); |
b093de8a MB |
410 | goto error; |
411 | } | |
412 | ||
928f18a6 | 413 | tmp = get_proc(<tngtop, tid, procname, timestamp); |
b093de8a MB |
414 | tmp->syscall_info = create_syscall_info(__NR_open, cpu_id, tid, -1); |
415 | ||
416 | tmp->files_history = create_file(tmp->files_history, file); | |
1fc22eb4 JD |
417 | |
418 | return BT_CB_OK; | |
419 | ||
420 | error: | |
421 | return BT_CB_ERROR_STOP; | |
422 | } | |
423 | ||
b093de8a | 424 | |
4adc8274 | 425 | enum bt_cb_ret handle_sys_close(struct bt_ctf_event *call_data, |
b093de8a MB |
426 | void *private_data) |
427 | { | |
2e0a1190 | 428 | const struct bt_definition *scope; |
b093de8a | 429 | struct processtop *tmp; |
928f18a6 MB |
430 | unsigned long timestamp; |
431 | int64_t tid; | |
432 | char *procname; | |
b093de8a MB |
433 | int fd; |
434 | ||
c78f2cdc | 435 | timestamp = bt_ctf_get_timestamp(call_data); |
b093de8a MB |
436 | if (timestamp == -1ULL) |
437 | goto error; | |
438 | ||
1dec520a | 439 | tid = get_context_tid(call_data); |
b093de8a | 440 | |
928f18a6 | 441 | procname = get_context_comm(call_data); |
59288610 | 442 | |
b093de8a MB |
443 | scope = bt_ctf_get_top_level_scope(call_data, |
444 | BT_EVENT_FIELDS); | |
445 | fd = bt_ctf_get_uint64(bt_ctf_get_field(call_data, | |
446 | scope, "_fd")); | |
447 | if (bt_ctf_field_get_error()) { | |
448 | fprintf(stderr, "Missing fd context info\n"); | |
449 | goto error; | |
450 | } | |
451 | ||
928f18a6 | 452 | tmp = get_proc(<tngtop, tid, procname, timestamp); |
ceb3a221 | 453 | |
b093de8a MB |
454 | close_file(tmp, fd); |
455 | ||
456 | return BT_CB_OK; | |
457 | ||
458 | error: | |
459 | return BT_CB_ERROR_STOP; | |
460 | } | |
59288610 | 461 | |
4adc8274 | 462 | enum bt_cb_ret handle_statedump_file_descriptor(struct bt_ctf_event *call_data, |
ceb3a221 MB |
463 | void *private_data) |
464 | { | |
2e0a1190 | 465 | const struct bt_definition *scope; |
59288610 | 466 | struct processtop *parent; |
ceb3a221 MB |
467 | struct files *file; |
468 | unsigned long timestamp; | |
59288610 MB |
469 | int64_t pid; |
470 | char *file_name; | |
ceb3a221 MB |
471 | int fd; |
472 | ||
c78f2cdc | 473 | timestamp = bt_ctf_get_timestamp(call_data); |
ceb3a221 MB |
474 | if (timestamp == -1ULL) |
475 | goto error; | |
476 | ||
ceb3a221 MB |
477 | scope = bt_ctf_get_top_level_scope(call_data, |
478 | BT_EVENT_FIELDS); | |
59288610 MB |
479 | pid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
480 | scope, "_pid")); | |
ceb3a221 MB |
481 | if (bt_ctf_field_get_error()) { |
482 | fprintf(stderr, "Missing tid context info\n"); | |
483 | goto error; | |
484 | } | |
485 | ||
486 | scope = bt_ctf_get_top_level_scope(call_data, | |
487 | BT_EVENT_FIELDS); | |
59288610 | 488 | fd = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
ceb3a221 MB |
489 | scope, "_fd")); |
490 | if (bt_ctf_field_get_error()) { | |
491 | fprintf(stderr, "Missing fd context info\n"); | |
492 | goto error; | |
493 | } | |
494 | ||
495 | scope = bt_ctf_get_top_level_scope(call_data, | |
496 | BT_EVENT_FIELDS); | |
497 | file_name = bt_ctf_get_string(bt_ctf_get_field(call_data, | |
498 | scope, "_filename")); | |
499 | if (bt_ctf_field_get_error()) { | |
500 | fprintf(stderr, "Missing file name context info\n"); | |
501 | goto error; | |
502 | } | |
503 | ||
59288610 MB |
504 | parent = get_proc_pid(<tngtop, pid, pid, timestamp); |
505 | parent->files_history = create_file(parent->files_history, file_name); | |
506 | file = parent->files_history->file; | |
507 | edit_file(parent, file, fd); | |
ceb3a221 MB |
508 | |
509 | return BT_CB_OK; | |
510 | ||
511 | error: | |
512 | return BT_CB_ERROR_STOP; | |
513 | } |