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