Commit | Line | Data |
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1fc22eb4 | 1 | /* |
aa15ac1c | 2 | * Copyright (C) 2011-2012 Julien Desfossez |
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 | ||
1dec520a | 18 | #include <babeltrace/ctf/events.h> |
1fc22eb4 | 19 | #include <stdlib.h> |
ceb3a221 | 20 | #include <linux/unistd.h> |
1fc22eb4 JD |
21 | #include <string.h> |
22 | #include "common.h" | |
23 | ||
4adc8274 | 24 | uint64_t get_cpu_id(const struct bt_ctf_event *event) |
d67167cd | 25 | { |
2e0a1190 | 26 | const struct bt_definition *scope; |
d67167cd JD |
27 | uint64_t cpu_id; |
28 | ||
29 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_PACKET_CONTEXT); | |
30 | cpu_id = bt_ctf_get_uint64(bt_ctf_get_field(event, scope, "cpu_id")); | |
31 | if (bt_ctf_field_get_error()) { | |
32 | fprintf(stderr, "[error] get cpu_id\n"); | |
33 | return -1ULL; | |
34 | } | |
35 | ||
36 | return cpu_id; | |
37 | } | |
38 | ||
4adc8274 | 39 | uint64_t get_context_tid(const struct bt_ctf_event *event) |
1dec520a | 40 | { |
2e0a1190 | 41 | const struct bt_definition *scope; |
1dec520a JD |
42 | uint64_t tid; |
43 | ||
44 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
45 | tid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
46 | scope, "_tid")); | |
47 | if (bt_ctf_field_get_error()) { | |
48 | fprintf(stderr, "Missing tid context info\n"); | |
49 | return -1ULL; | |
50 | } | |
51 | ||
52 | return tid; | |
53 | } | |
54 | ||
4adc8274 | 55 | uint64_t get_context_pid(const struct bt_ctf_event *event) |
1dec520a | 56 | { |
2e0a1190 | 57 | const struct bt_definition *scope; |
1dec520a JD |
58 | uint64_t pid; |
59 | ||
60 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
61 | pid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
62 | scope, "_pid")); | |
63 | if (bt_ctf_field_get_error()) { | |
64 | fprintf(stderr, "Missing pid context info\n"); | |
65 | return -1ULL; | |
66 | } | |
67 | ||
68 | return pid; | |
69 | } | |
70 | ||
4adc8274 | 71 | uint64_t get_context_ppid(const struct bt_ctf_event *event) |
1dec520a | 72 | { |
2e0a1190 | 73 | const struct bt_definition *scope; |
1dec520a JD |
74 | uint64_t ppid; |
75 | ||
76 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
77 | ppid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
78 | scope, "_ppid")); | |
79 | if (bt_ctf_field_get_error()) { | |
80 | fprintf(stderr, "Missing ppid context info\n"); | |
81 | return -1ULL; | |
82 | } | |
83 | ||
84 | return ppid; | |
85 | } | |
86 | ||
1402044a JD |
87 | uint64_t get_context_vtid(const struct bt_ctf_event *event) |
88 | { | |
89 | const struct definition *scope; | |
90 | uint64_t vtid; | |
91 | ||
92 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
93 | vtid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
94 | scope, "_vtid")); | |
95 | if (bt_ctf_field_get_error()) { | |
96 | return -1ULL; | |
97 | } | |
98 | ||
99 | return vtid; | |
100 | } | |
101 | ||
102 | uint64_t get_context_vpid(const struct bt_ctf_event *event) | |
103 | { | |
104 | const struct definition *scope; | |
105 | uint64_t vpid; | |
106 | ||
107 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
108 | vpid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
109 | scope, "_vpid")); | |
110 | if (bt_ctf_field_get_error()) { | |
111 | return -1ULL; | |
112 | } | |
113 | ||
114 | return vpid; | |
115 | } | |
116 | ||
117 | uint64_t get_context_vppid(const struct bt_ctf_event *event) | |
118 | { | |
119 | const struct definition *scope; | |
120 | uint64_t vppid; | |
121 | ||
122 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
123 | vppid = bt_ctf_get_int64(bt_ctf_get_field(event, | |
124 | scope, "_vppid")); | |
125 | if (bt_ctf_field_get_error()) { | |
126 | return -1ULL; | |
127 | } | |
128 | ||
129 | return vppid; | |
130 | } | |
131 | ||
4adc8274 | 132 | char *get_context_comm(const struct bt_ctf_event *event) |
1dec520a | 133 | { |
2e0a1190 | 134 | const struct bt_definition *scope; |
1dec520a JD |
135 | char *comm; |
136 | ||
137 | scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT); | |
138 | comm = bt_ctf_get_char_array(bt_ctf_get_field(event, | |
139 | scope, "_procname")); | |
140 | if (bt_ctf_field_get_error()) { | |
141 | fprintf(stderr, "Missing comm context info\n"); | |
142 | return NULL; | |
143 | } | |
144 | ||
145 | return comm; | |
146 | } | |
147 | ||
59288610 MB |
148 | /* |
149 | * To get the parent process, put the pid in the tid field | |
150 | * because the parent process gets pid = tid | |
59288610 | 151 | */ |
1fc22eb4 JD |
152 | struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm) |
153 | { | |
1fc22eb4 JD |
154 | struct processtop *tmp; |
155 | ||
30b646c4 JD |
156 | tmp = g_hash_table_lookup(ctx->process_hash_table, |
157 | (gconstpointer) (unsigned long) tid); | |
158 | ||
159 | return tmp; | |
1fc22eb4 JD |
160 | } |
161 | ||
162 | struct processtop* add_proc(struct lttngtop *ctx, int tid, char *comm, | |
163 | unsigned long timestamp) | |
164 | { | |
165 | struct processtop *newproc; | |
166 | ||
167 | /* if the PID already exists, we just rename the process */ | |
168 | /* FIXME : need to integrate with clone/fork/exit to be accurate */ | |
169 | newproc = find_process_tid(ctx, tid, comm); | |
170 | if (!newproc) { | |
559c9f86 | 171 | newproc = g_new0(struct processtop, 1); |
1fc22eb4 JD |
172 | newproc->tid = tid; |
173 | newproc->birth = timestamp; | |
174 | newproc->process_files_table = g_ptr_array_new(); | |
ceb3a221 | 175 | newproc->files_history = NULL; |
b093de8a MB |
176 | newproc->totalfileread = 0; |
177 | newproc->totalfilewrite = 0; | |
178 | newproc->fileread = 0; | |
179 | newproc->filewrite = 0; | |
180 | newproc->syscall_info = NULL; | |
59288610 | 181 | newproc->threadparent = NULL; |
1fc22eb4 | 182 | newproc->threads = g_ptr_array_new(); |
85db4618 | 183 | newproc->perf = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 | 184 | g_ptr_array_add(ctx->process_table, newproc); |
30b646c4 JD |
185 | g_hash_table_insert(ctx->process_hash_table, |
186 | (gpointer) (unsigned long) tid, newproc); | |
e05a35a6 JD |
187 | |
188 | ctx->nbnewthreads++; | |
189 | ctx->nbthreads++; | |
1fc22eb4 JD |
190 | } |
191 | newproc->comm = strdup(comm); | |
192 | ||
193 | return newproc; | |
194 | } | |
195 | ||
196 | struct processtop* update_proc(struct processtop* proc, int pid, int tid, | |
1402044a | 197 | int ppid, int vpid, int vtid, int vppid, char *comm) |
1fc22eb4 JD |
198 | { |
199 | if (proc) { | |
200 | proc->pid = pid; | |
201 | proc->tid = tid; | |
202 | proc->ppid = ppid; | |
1402044a JD |
203 | proc->vpid = vpid; |
204 | proc->vtid = vtid; | |
205 | proc->vppid = vppid; | |
1fc22eb4 JD |
206 | if (strcmp(proc->comm, comm) != 0) { |
207 | free(proc->comm); | |
208 | proc->comm = strdup(comm); | |
209 | } | |
210 | } | |
211 | return proc; | |
212 | } | |
213 | ||
214 | /* | |
215 | * This function just sets the time of death of a process. | |
216 | * When we rotate the cputime we remove it from the process list. | |
217 | */ | |
218 | void death_proc(struct lttngtop *ctx, int tid, char *comm, | |
219 | unsigned long timestamp) | |
220 | { | |
221 | struct processtop *tmp; | |
222 | tmp = find_process_tid(ctx, tid, comm); | |
30b646c4 JD |
223 | |
224 | g_hash_table_remove(ctx->process_hash_table, | |
225 | (gpointer) (unsigned long) tid); | |
e05a35a6 | 226 | if (tmp && strcmp(tmp->comm, comm) == 0) { |
1fc22eb4 | 227 | tmp->death = timestamp; |
e05a35a6 JD |
228 | ctx->nbdeadthreads++; |
229 | ctx->nbthreads--; | |
230 | } | |
1fc22eb4 JD |
231 | } |
232 | ||
233 | struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm, | |
234 | unsigned long timestamp) | |
235 | { | |
236 | struct processtop *tmp; | |
237 | tmp = find_process_tid(ctx, tid, comm); | |
238 | if (tmp && strcmp(tmp->comm, comm) == 0) | |
239 | return tmp; | |
240 | return add_proc(ctx, tid, comm, timestamp); | |
241 | } | |
242 | ||
59288610 MB |
243 | struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid, |
244 | unsigned long timestamp) | |
245 | { | |
246 | struct processtop *tmp; | |
247 | tmp = find_process_tid(ctx, tid, NULL); | |
248 | if (tmp && tmp->pid == pid) | |
249 | return tmp; | |
250 | return add_proc(ctx, tid, "Unknown", timestamp); | |
251 | } | |
252 | ||
1fc22eb4 JD |
253 | void add_thread(struct processtop *parent, struct processtop *thread) |
254 | { | |
255 | gint i; | |
256 | struct processtop *tmp; | |
257 | ||
258 | for (i = 0; i < parent->threads->len; i++) { | |
259 | tmp = g_ptr_array_index(parent->threads, i); | |
260 | if (tmp == thread) | |
261 | return; | |
262 | } | |
263 | g_ptr_array_add(parent->threads, thread); | |
264 | } | |
265 | ||
266 | struct cputime* add_cpu(int cpu) | |
267 | { | |
268 | struct cputime *newcpu; | |
269 | ||
559c9f86 | 270 | newcpu = g_new0(struct cputime, 1); |
1fc22eb4 JD |
271 | newcpu->id = cpu; |
272 | newcpu->current_task = NULL; | |
85db4618 | 273 | newcpu->perf = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
274 | |
275 | g_ptr_array_add(lttngtop.cpu_table, newcpu); | |
276 | ||
277 | return newcpu; | |
278 | } | |
279 | struct cputime* get_cpu(int cpu) | |
280 | { | |
281 | gint i; | |
282 | struct cputime *tmp; | |
283 | ||
284 | for (i = 0; i < lttngtop.cpu_table->len; i++) { | |
285 | tmp = g_ptr_array_index(lttngtop.cpu_table, i); | |
286 | if (tmp->id == cpu) | |
287 | return tmp; | |
288 | } | |
289 | ||
290 | return add_cpu(cpu); | |
291 | } | |
292 | ||
293 | /* | |
294 | * At the end of a sampling period, we need to display the cpu time for each | |
295 | * process and to reset it to zero for the next period | |
296 | */ | |
297 | void rotate_cputime(unsigned long end) | |
298 | { | |
299 | gint i; | |
300 | struct cputime *tmp; | |
301 | unsigned long elapsed; | |
302 | ||
303 | for (i = 0; i < lttngtop.cpu_table->len; i++) { | |
304 | tmp = g_ptr_array_index(lttngtop.cpu_table, i); | |
305 | elapsed = end - tmp->task_start; | |
306 | if (tmp->current_task) { | |
307 | tmp->current_task->totalcpunsec += elapsed; | |
308 | tmp->current_task->threadstotalcpunsec += elapsed; | |
309 | if (tmp->current_task->pid != tmp->current_task->tid && | |
310 | tmp->current_task->threadparent) { | |
311 | tmp->current_task->threadparent->threadstotalcpunsec += elapsed; | |
312 | } | |
313 | } | |
314 | tmp->task_start = end; | |
315 | } | |
316 | } | |
317 | ||
318 | void reset_perf_counter(gpointer key, gpointer value, gpointer user_data) | |
319 | { | |
320 | ((struct perfcounter*) value)->count = 0; | |
321 | } | |
322 | ||
323 | void copy_perf_counter(gpointer key, gpointer value, gpointer new_table) | |
324 | { | |
325 | struct perfcounter *newperf; | |
59288610 | 326 | |
559c9f86 | 327 | newperf = g_new0(struct perfcounter, 1); |
1fc22eb4 JD |
328 | newperf->count = ((struct perfcounter *) value)->count; |
329 | newperf->visible = ((struct perfcounter *) value)->visible; | |
330 | newperf->sort = ((struct perfcounter *) value)->sort; | |
85db4618 | 331 | g_hash_table_insert((GHashTable *) new_table, strdup(key), newperf); |
1fc22eb4 JD |
332 | } |
333 | ||
30b646c4 JD |
334 | void copy_process_table(gpointer key, gpointer value, gpointer new_table) |
335 | { | |
336 | g_hash_table_insert((GHashTable *) new_table, key, value); | |
337 | } | |
338 | ||
1fc22eb4 JD |
339 | void rotate_perfcounter() { |
340 | int i; | |
341 | struct processtop *tmp; | |
342 | for (i = 0; i < lttngtop.process_table->len; i++) { | |
343 | tmp = g_ptr_array_index(lttngtop.process_table, i); | |
344 | g_hash_table_foreach(tmp->perf, reset_perf_counter, NULL); | |
345 | } | |
346 | } | |
347 | ||
348 | void cleanup_processtop() | |
349 | { | |
b093de8a | 350 | gint i, j; |
1fc22eb4 | 351 | struct processtop *tmp; |
b093de8a | 352 | struct files *tmpf; /* a temporary file */ |
1fc22eb4 JD |
353 | |
354 | for (i = 0; i < lttngtop.process_table->len; i++) { | |
355 | tmp = g_ptr_array_index(lttngtop.process_table, i); | |
356 | tmp->totalcpunsec = 0; | |
357 | tmp->threadstotalcpunsec = 0; | |
b093de8a MB |
358 | tmp->fileread = 0; |
359 | tmp->filewrite = 0; | |
360 | ||
361 | for (j = 0; j < tmp->process_files_table->len; j++) { | |
362 | tmpf = g_ptr_array_index(tmp->process_files_table, j); | |
363 | if (tmpf != NULL) { | |
364 | tmpf->read = 0; | |
365 | tmpf->write = 0; | |
ceb3a221 MB |
366 | |
367 | if (tmpf->flag == __NR_close) | |
368 | g_ptr_array_index( | |
369 | tmp->process_files_table, j | |
370 | ) = NULL; | |
b093de8a MB |
371 | } |
372 | } | |
1fc22eb4 JD |
373 | } |
374 | } | |
375 | ||
e05a35a6 JD |
376 | void reset_global_counters() |
377 | { | |
378 | lttngtop.nbnewproc = 0; | |
379 | lttngtop.nbdeadproc = 0; | |
380 | lttngtop.nbnewthreads = 0; | |
381 | lttngtop.nbdeadthreads = 0; | |
382 | lttngtop.nbnewfiles = 0; | |
383 | lttngtop.nbclosedfiles = 0; | |
384 | } | |
385 | ||
386 | void copy_global_counters(struct lttngtop *dst) | |
387 | { | |
388 | dst->nbproc = lttngtop.nbproc; | |
389 | dst->nbnewproc = lttngtop.nbnewproc; | |
390 | dst->nbdeadproc = lttngtop.nbdeadproc; | |
391 | dst->nbthreads = lttngtop.nbthreads; | |
392 | dst->nbnewthreads = lttngtop.nbnewthreads; | |
393 | dst->nbdeadthreads = lttngtop.nbdeadthreads; | |
394 | dst->nbfiles = lttngtop.nbfiles; | |
395 | dst->nbnewfiles = lttngtop.nbnewfiles; | |
396 | dst->nbclosedfiles = lttngtop.nbclosedfiles; | |
397 | reset_global_counters(); | |
398 | } | |
399 | ||
1fc22eb4 JD |
400 | struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end) |
401 | { | |
402 | gint i, j; | |
403 | unsigned long time; | |
404 | struct lttngtop *dst; | |
405 | struct processtop *tmp, *tmp2, *new; | |
406 | struct cputime *tmpcpu, *newcpu; | |
407 | struct files *tmpfile, *newfile; | |
408 | ||
559c9f86 | 409 | dst = g_new0(struct lttngtop, 1); |
1fc22eb4 JD |
410 | dst->start = start; |
411 | dst->end = end; | |
e05a35a6 | 412 | copy_global_counters(dst); |
1fc22eb4 JD |
413 | dst->process_table = g_ptr_array_new(); |
414 | dst->files_table = g_ptr_array_new(); | |
415 | dst->cpu_table = g_ptr_array_new(); | |
30b646c4 JD |
416 | dst->process_hash_table = g_hash_table_new(g_direct_hash, g_direct_equal); |
417 | g_hash_table_foreach(lttngtop.process_hash_table, copy_process_table, | |
418 | dst->process_hash_table); | |
1fc22eb4 JD |
419 | |
420 | rotate_cputime(end); | |
421 | ||
1fc22eb4 JD |
422 | for (i = 0; i < lttngtop.process_table->len; i++) { |
423 | tmp = g_ptr_array_index(lttngtop.process_table, i); | |
559c9f86 | 424 | new = g_new0(struct processtop, 1); |
1fc22eb4 JD |
425 | |
426 | memcpy(new, tmp, sizeof(struct processtop)); | |
427 | new->threads = g_ptr_array_new(); | |
428 | new->comm = strdup(tmp->comm); | |
429 | new->process_files_table = g_ptr_array_new(); | |
ceb3a221 | 430 | new->files_history = tmp->files_history; |
85db4618 | 431 | new->perf = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
432 | g_hash_table_foreach(tmp->perf, copy_perf_counter, new->perf); |
433 | ||
1fc22eb4 | 434 | /* compute the stream speed */ |
85db4618 JD |
435 | if (end - start != 0) { |
436 | time = (end - start) / NSEC_PER_SEC; | |
b093de8a MB |
437 | new->fileread = new->fileread/(time); |
438 | new->filewrite = new->filewrite/(time); | |
1fc22eb4 JD |
439 | } |
440 | ||
441 | for (j = 0; j < tmp->process_files_table->len; j++) { | |
442 | tmpfile = g_ptr_array_index(tmp->process_files_table, j); | |
1fc22eb4 | 443 | |
b093de8a MB |
444 | newfile = malloc(sizeof(struct files)); |
445 | ||
446 | if (tmpfile != NULL) { | |
447 | memcpy(newfile, tmpfile, sizeof(struct files)); | |
448 | newfile->name = strdup(tmpfile->name); | |
449 | newfile->ref = new; | |
450 | g_ptr_array_add(new->process_files_table, | |
451 | newfile); | |
452 | g_ptr_array_add(dst->files_table, newfile); | |
453 | } else { | |
454 | g_ptr_array_add(new->process_files_table, NULL); | |
455 | g_ptr_array_add(dst->files_table, NULL); | |
456 | } | |
1fc22eb4 JD |
457 | /* |
458 | * if the process died during the last period, we remove all | |
459 | * files associated with if after the copy | |
460 | */ | |
461 | if (tmp->death > 0 && tmp->death < end) { | |
e05a35a6 | 462 | /* FIXME : close the files before */ |
1fc22eb4 | 463 | g_ptr_array_remove(tmp->process_files_table, tmpfile); |
559c9f86 | 464 | g_free(tmpfile); |
1fc22eb4 JD |
465 | } |
466 | } | |
467 | g_ptr_array_add(dst->process_table, new); | |
468 | ||
469 | /* | |
470 | * if the process died during the last period, we remove it from | |
471 | * the current process list after the copy | |
472 | */ | |
473 | if (tmp->death > 0 && tmp->death < end) { | |
474 | g_ptr_array_remove(lttngtop.process_table, tmp); | |
85db4618 | 475 | /* FIXME : TRUE does not mean clears the object in it */ |
1fc22eb4 JD |
476 | g_ptr_array_free(tmp->threads, TRUE); |
477 | free(tmp->comm); | |
478 | g_ptr_array_free(tmp->process_files_table, TRUE); | |
85db4618 | 479 | /* FIXME : clear elements */ |
1fc22eb4 | 480 | g_hash_table_destroy(tmp->perf); |
559c9f86 | 481 | g_free(tmp); |
1fc22eb4 JD |
482 | } |
483 | } | |
484 | rotate_perfcounter(); | |
485 | ||
486 | for (i = 0; i < lttngtop.cpu_table->len; i++) { | |
487 | tmpcpu = g_ptr_array_index(lttngtop.cpu_table, i); | |
559c9f86 | 488 | newcpu = g_new0(struct cputime, 1); |
1fc22eb4 | 489 | memcpy(newcpu, tmpcpu, sizeof(struct cputime)); |
85db4618 | 490 | newcpu->perf = g_hash_table_new(g_str_hash, g_str_equal); |
1fc22eb4 JD |
491 | g_hash_table_foreach(tmpcpu->perf, copy_perf_counter, newcpu->perf); |
492 | /* | |
493 | * note : we don't care about the current process pointer in the copy | |
494 | * so the reference is invalid after the memcpy | |
495 | */ | |
496 | g_ptr_array_add(dst->cpu_table, newcpu); | |
497 | } | |
85db4618 | 498 | /* FIXME : better algo */ |
1fc22eb4 JD |
499 | /* create the threads index if required */ |
500 | for (i = 0; i < dst->process_table->len; i++) { | |
501 | tmp = g_ptr_array_index(dst->process_table, i); | |
502 | if (tmp->pid == tmp->tid) { | |
503 | for (j = 0; j < dst->process_table->len; j++) { | |
504 | tmp2 = g_ptr_array_index(dst->process_table, j); | |
505 | if (tmp2->pid == tmp->pid) { | |
506 | tmp2->threadparent = tmp; | |
507 | g_ptr_array_add(tmp->threads, tmp2); | |
508 | } | |
509 | } | |
510 | } | |
511 | } | |
512 | ||
513 | // update_global_stats(dst); | |
514 | cleanup_processtop(); | |
515 | ||
516 | return dst; | |
517 | } | |
518 | ||
928f18a6 MB |
519 | |
520 | enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data, | |
521 | void *private_data) | |
522 | { | |
2e0a1190 | 523 | const struct bt_definition *scope; |
928f18a6 MB |
524 | struct processtop *proc; |
525 | unsigned long timestamp; | |
11d218ce | 526 | int64_t pid, tid, ppid, vtid, vpid, vppid; |
928f18a6 MB |
527 | char *procname; |
528 | ||
c78f2cdc | 529 | timestamp = bt_ctf_get_timestamp(call_data); |
928f18a6 MB |
530 | if (timestamp == -1ULL) |
531 | goto error; | |
532 | ||
533 | scope = bt_ctf_get_top_level_scope(call_data, | |
534 | BT_EVENT_FIELDS); | |
535 | pid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
536 | scope, "_pid")); | |
537 | if (bt_ctf_field_get_error()) { | |
538 | fprintf(stderr, "Missing pid context info\n"); | |
539 | goto error; | |
540 | } | |
11d218ce JD |
541 | ppid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
542 | scope, "_ppid")); | |
543 | if (bt_ctf_field_get_error()) { | |
544 | fprintf(stderr, "Missing pid context info\n"); | |
545 | goto error; | |
546 | } | |
928f18a6 | 547 | |
928f18a6 MB |
548 | tid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
549 | scope, "_tid")); | |
550 | if (bt_ctf_field_get_error()) { | |
551 | fprintf(stderr, "Missing tid context info\n"); | |
552 | goto error; | |
553 | } | |
554 | ||
11d218ce JD |
555 | vtid = bt_ctf_get_int64(bt_ctf_get_field(call_data, |
556 | scope, "_vtid")); | |
557 | if (bt_ctf_field_get_error()) { | |
558 | fprintf(stderr, "Missing vtid context info\n"); | |
559 | goto error; | |
560 | } | |
561 | vpid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
562 | scope, "_vpid")); | |
563 | if (bt_ctf_field_get_error()) { | |
564 | fprintf(stderr, "Missing vtid context info\n"); | |
565 | goto error; | |
566 | } | |
567 | vppid = bt_ctf_get_int64(bt_ctf_get_field(call_data, | |
568 | scope, "_vppid")); | |
569 | if (bt_ctf_field_get_error()) { | |
570 | fprintf(stderr, "Missing vtid context info\n"); | |
571 | goto error; | |
572 | } | |
573 | ||
928f18a6 MB |
574 | /* |
575 | * FIXME | |
576 | * I first tried with bt_ctf_get_string but doesn`t work at all | |
577 | * It couldn`t find the field _name because it is an integer in | |
578 | * the metadata and not a string like _filename for the | |
579 | * statedump_file_descriptor | |
580 | */ | |
581 | scope = bt_ctf_get_top_level_scope(call_data, | |
582 | BT_EVENT_FIELDS); | |
583 | procname = bt_ctf_get_char_array(bt_ctf_get_field(call_data, | |
584 | scope, "_name")); | |
585 | if (bt_ctf_field_get_error()) { | |
586 | fprintf(stderr, "Missing process name context info\n"); | |
587 | goto error; | |
588 | } | |
589 | ||
590 | proc = find_process_tid(<tngtop, tid, procname); | |
591 | if (proc == NULL) | |
592 | proc = add_proc(<tngtop, tid, procname, timestamp); | |
11d218ce | 593 | update_proc(proc, pid, tid, ppid, vpid, vtid, vppid, procname); |
928f18a6 MB |
594 | |
595 | free(proc->comm); | |
596 | proc->comm = strdup(procname); | |
597 | proc->pid = pid; | |
598 | ||
599 | /* | |
600 | * FIXME | |
601 | * I would like to free procname because it is duplicated | |
602 | * when the process is created but it segfaults... | |
603 | * | |
604 | * free(procname); | |
605 | */ | |
606 | ||
607 | return BT_CB_OK; | |
608 | ||
609 | error: | |
610 | return BT_CB_ERROR_STOP; | |
611 | } | |
b520ab45 JD |
612 | |
613 | struct tm format_timestamp(uint64_t timestamp) | |
614 | { | |
615 | struct tm tm; | |
616 | uint64_t ts_sec = 0, ts_nsec; | |
617 | time_t time_s; | |
618 | ||
619 | ts_nsec = timestamp; | |
620 | ts_sec += ts_nsec / NSEC_PER_SEC; | |
621 | ts_nsec = ts_nsec % NSEC_PER_SEC; | |
622 | ||
623 | time_s = (time_t) ts_sec; | |
624 | ||
625 | localtime_r(&time_s, &tm); | |
626 | ||
627 | return tm; | |
628 | } |