bc3fff3d55b3e0d5023e3ff910658637fa82c435
[lttngtop.git] / src / common.c
1 /*
2 * Copyright (C) 2011-2012 Julien Desfossez
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 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.
16 */
17
18 #include <babeltrace/ctf/events.h>
19 #include <stdlib.h>
20 #include <linux/unistd.h>
21 #include <string.h>
22 #include "common.h"
23
24 uint64_t get_cpu_id(const struct bt_ctf_event *event)
25 {
26 const struct bt_definition *scope;
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
39 uint64_t get_context_tid(const struct bt_ctf_event *event)
40 {
41 const struct bt_definition *scope;
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
55 uint64_t get_context_pid(const struct bt_ctf_event *event)
56 {
57 const struct bt_definition *scope;
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
71 uint64_t get_context_ppid(const struct bt_ctf_event *event)
72 {
73 const struct bt_definition *scope;
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
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
132 char *get_context_comm(const struct bt_ctf_event *event)
133 {
134 const struct bt_definition *scope;
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
148 char *get_context_hostname(const struct bt_ctf_event *event)
149 {
150 const struct definition *scope;
151 char *hostname;
152
153 scope = bt_ctf_get_top_level_scope(event, BT_STREAM_EVENT_CONTEXT);
154 hostname = bt_ctf_get_char_array(bt_ctf_get_field(event,
155 scope, "_hostname"));
156 if (bt_ctf_field_get_error()) {
157 return NULL;
158 }
159
160 return hostname;
161 }
162
163 /*
164 * To get the parent process, put the pid in the tid field
165 * because the parent process gets pid = tid
166 */
167 struct processtop *find_process_tid(struct lttngtop *ctx, int tid, char *comm)
168 {
169 struct processtop *tmp;
170
171 tmp = g_hash_table_lookup(ctx->process_hash_table,
172 (gconstpointer) (unsigned long) tid);
173
174 return tmp;
175 }
176
177 struct processtop* add_proc(struct lttngtop *ctx, int tid, char *comm,
178 unsigned long timestamp, char *hostname)
179 {
180 struct processtop *newproc;
181
182 /* if the PID already exists, we just rename the process */
183 /* FIXME : need to integrate with clone/fork/exit to be accurate */
184 newproc = find_process_tid(ctx, tid, comm);
185
186 if (!newproc) {
187 newproc = g_new0(struct processtop, 1);
188 newproc->tid = tid;
189 newproc->birth = timestamp;
190 newproc->process_files_table = g_ptr_array_new();
191 newproc->files_history = NULL;
192 newproc->totalfileread = 0;
193 newproc->totalfilewrite = 0;
194 newproc->fileread = 0;
195 newproc->filewrite = 0;
196 newproc->syscall_info = NULL;
197 newproc->threadparent = NULL;
198 newproc->threads = g_ptr_array_new();
199 newproc->perf = g_hash_table_new(g_str_hash, g_str_equal);
200 g_ptr_array_add(ctx->process_table, newproc);
201 g_hash_table_insert(ctx->process_hash_table,
202 (gpointer) (unsigned long) tid, newproc);
203 if (lookup_tid_list(tid)) {
204 add_filter_tid_list(tid, newproc);
205 }
206 ctx->nbnewthreads++;
207 ctx->nbthreads++;
208 }
209 newproc->comm = strdup(comm);
210 if (hostname) {
211 if (newproc->hostname && strcmp(newproc->hostname, hostname) != 0) {
212 free(newproc->hostname);
213 }
214 newproc->hostname = strdup(hostname);
215 if (is_hostname_filtered(hostname)) {
216 add_filter_tid_list(tid, newproc);
217 }
218 add_hostname_list(hostname, 0);
219 }
220
221 return newproc;
222 }
223
224 struct processtop* update_proc(struct processtop* proc, int pid, int tid,
225 int ppid, int vpid, int vtid, int vppid, char *comm, char *hostname)
226 {
227 if (proc) {
228 proc->pid = pid;
229 proc->tid = tid;
230 proc->ppid = ppid;
231 proc->vpid = vpid;
232 proc->vtid = vtid;
233 proc->vppid = vppid;
234 if (strcmp(proc->comm, comm) != 0) {
235 free(proc->comm);
236 proc->comm = strdup(comm);
237 }
238 if (hostname && !proc->hostname) {
239 proc->hostname = strdup(hostname);
240 if (is_hostname_filtered(hostname)) {
241 add_filter_tid_list(tid, proc);
242 }
243 add_hostname_list(hostname, 0);
244 }
245 }
246 return proc;
247 }
248
249 /*
250 * This function just sets the time of death of a process.
251 * When we rotate the cputime we remove it from the process list.
252 */
253 void death_proc(struct lttngtop *ctx, int tid, char *comm,
254 unsigned long timestamp)
255 {
256 struct processtop *tmp;
257 tmp = find_process_tid(ctx, tid, comm);
258
259 g_hash_table_remove(ctx->process_hash_table,
260 (gpointer) (unsigned long) tid);
261 if (tmp && strcmp(tmp->comm, comm) == 0) {
262 tmp->death = timestamp;
263 ctx->nbdeadthreads++;
264 ctx->nbthreads--;
265 }
266 }
267
268 struct processtop* get_proc(struct lttngtop *ctx, int tid, char *comm,
269 unsigned long timestamp, char *hostname)
270 {
271 struct processtop *tmp;
272
273 tmp = find_process_tid(ctx, tid, comm);
274 if (tmp && strcmp(tmp->comm, comm) == 0) {
275 return tmp;
276 }
277 return add_proc(ctx, tid, comm, timestamp, hostname);
278 }
279
280 struct processtop *get_proc_pid(struct lttngtop *ctx, int tid, int pid,
281 unsigned long timestamp, char *hostname)
282 {
283 struct processtop *tmp;
284 tmp = find_process_tid(ctx, tid, NULL);
285 if (tmp && tmp->pid == pid)
286 return tmp;
287 return add_proc(ctx, tid, "Unknown", timestamp, hostname);
288 }
289
290 void add_thread(struct processtop *parent, struct processtop *thread)
291 {
292 gint i;
293 struct processtop *tmp;
294
295 if (!parent)
296 return;
297
298 for (i = 0; i < parent->threads->len; i++) {
299 tmp = g_ptr_array_index(parent->threads, i);
300 if (tmp == thread)
301 return;
302 }
303 g_ptr_array_add(parent->threads, thread);
304 }
305
306 struct cputime* add_cpu(int cpu)
307 {
308 struct cputime *newcpu;
309
310 newcpu = g_new0(struct cputime, 1);
311 newcpu->id = cpu;
312 newcpu->current_task = NULL;
313 newcpu->perf = g_hash_table_new(g_str_hash, g_str_equal);
314
315 g_ptr_array_add(lttngtop.cpu_table, newcpu);
316
317 return newcpu;
318 }
319 struct cputime* get_cpu(int cpu)
320 {
321 gint i;
322 struct cputime *tmp;
323
324 for (i = 0; i < lttngtop.cpu_table->len; i++) {
325 tmp = g_ptr_array_index(lttngtop.cpu_table, i);
326 if (tmp->id == cpu)
327 return tmp;
328 }
329
330 return add_cpu(cpu);
331 }
332
333 /*
334 * At the end of a sampling period, we need to display the cpu time for each
335 * process and to reset it to zero for the next period
336 */
337 void rotate_cputime(unsigned long end)
338 {
339 gint i;
340 struct cputime *tmp;
341 unsigned long elapsed;
342
343 for (i = 0; i < lttngtop.cpu_table->len; i++) {
344 tmp = g_ptr_array_index(lttngtop.cpu_table, i);
345 elapsed = end - tmp->task_start;
346 if (tmp->current_task) {
347 tmp->current_task->totalcpunsec += elapsed;
348 tmp->current_task->threadstotalcpunsec += elapsed;
349 if (tmp->current_task->pid != tmp->current_task->tid &&
350 tmp->current_task->threadparent) {
351 tmp->current_task->threadparent->threadstotalcpunsec += elapsed;
352 }
353 }
354 tmp->task_start = end;
355 }
356 }
357
358 void reset_perf_counter(gpointer key, gpointer value, gpointer user_data)
359 {
360 ((struct perfcounter*) value)->count = 0;
361 }
362
363 void copy_perf_counter(gpointer key, gpointer value, gpointer new_table)
364 {
365 struct perfcounter *newperf;
366
367 newperf = g_new0(struct perfcounter, 1);
368 newperf->count = ((struct perfcounter *) value)->count;
369 newperf->visible = ((struct perfcounter *) value)->visible;
370 newperf->sort = ((struct perfcounter *) value)->sort;
371 g_hash_table_insert((GHashTable *) new_table, strdup(key), newperf);
372 }
373
374 void copy_process_table(gpointer key, gpointer value, gpointer new_table)
375 {
376 g_hash_table_insert((GHashTable *) new_table, key, value);
377 }
378
379 void rotate_perfcounter() {
380 int i;
381 struct processtop *tmp;
382 for (i = 0; i < lttngtop.process_table->len; i++) {
383 tmp = g_ptr_array_index(lttngtop.process_table, i);
384 g_hash_table_foreach(tmp->perf, reset_perf_counter, NULL);
385 }
386 }
387
388 void cleanup_processtop()
389 {
390 gint i, j;
391 struct processtop *tmp;
392 struct files *tmpf; /* a temporary file */
393
394 for (i = 0; i < lttngtop.process_table->len; i++) {
395 tmp = g_ptr_array_index(lttngtop.process_table, i);
396 tmp->totalcpunsec = 0;
397 tmp->threadstotalcpunsec = 0;
398 tmp->fileread = 0;
399 tmp->filewrite = 0;
400
401 for (j = 0; j < tmp->process_files_table->len; j++) {
402 tmpf = g_ptr_array_index(tmp->process_files_table, j);
403 if (tmpf != NULL) {
404 tmpf->read = 0;
405 tmpf->write = 0;
406
407 if (tmpf->flag == __NR_close)
408 g_ptr_array_index(
409 tmp->process_files_table, j
410 ) = NULL;
411 }
412 }
413 }
414 }
415
416 void reset_global_counters()
417 {
418 lttngtop.nbnewproc = 0;
419 lttngtop.nbdeadproc = 0;
420 lttngtop.nbnewthreads = 0;
421 lttngtop.nbdeadthreads = 0;
422 lttngtop.nbnewfiles = 0;
423 lttngtop.nbclosedfiles = 0;
424 }
425
426 void copy_global_counters(struct lttngtop *dst)
427 {
428 dst->nbproc = lttngtop.nbproc;
429 dst->nbnewproc = lttngtop.nbnewproc;
430 dst->nbdeadproc = lttngtop.nbdeadproc;
431 dst->nbthreads = lttngtop.nbthreads;
432 dst->nbnewthreads = lttngtop.nbnewthreads;
433 dst->nbdeadthreads = lttngtop.nbdeadthreads;
434 dst->nbfiles = lttngtop.nbfiles;
435 dst->nbnewfiles = lttngtop.nbnewfiles;
436 dst->nbclosedfiles = lttngtop.nbclosedfiles;
437 reset_global_counters();
438 }
439
440 struct lttngtop* get_copy_lttngtop(unsigned long start, unsigned long end)
441 {
442 gint i, j;
443 unsigned long time;
444 struct lttngtop *dst;
445 struct processtop *tmp, *tmp2, *new;
446 struct cputime *tmpcpu, *newcpu;
447 struct files *tmpfile, *newfile;
448 struct kprobes *tmpprobe, *newprobe;
449
450 dst = g_new0(struct lttngtop, 1);
451 dst->start = start;
452 dst->end = end;
453 copy_global_counters(dst);
454 dst->process_table = g_ptr_array_new();
455 dst->files_table = g_ptr_array_new();
456 dst->cpu_table = g_ptr_array_new();
457 dst->kprobes_table = g_ptr_array_new();
458 dst->process_hash_table = g_hash_table_new(g_direct_hash, g_direct_equal);
459 g_hash_table_foreach(lttngtop.process_hash_table, copy_process_table,
460 dst->process_hash_table);
461
462 rotate_cputime(end);
463
464 for (i = 0; i < lttngtop.process_table->len; i++) {
465 tmp = g_ptr_array_index(lttngtop.process_table, i);
466 new = g_new0(struct processtop, 1);
467
468 memcpy(new, tmp, sizeof(struct processtop));
469 new->threads = g_ptr_array_new();
470 new->comm = strdup(tmp->comm);
471 new->process_files_table = g_ptr_array_new();
472 new->files_history = tmp->files_history;
473 new->perf = g_hash_table_new(g_str_hash, g_str_equal);
474 g_hash_table_foreach(tmp->perf, copy_perf_counter, new->perf);
475
476 /* compute the stream speed */
477 if (end - start != 0) {
478 time = (end - start) / NSEC_PER_SEC;
479 new->fileread = new->fileread/(time);
480 new->filewrite = new->filewrite/(time);
481 }
482
483 for (j = 0; j < tmp->process_files_table->len; j++) {
484 tmpfile = g_ptr_array_index(tmp->process_files_table, j);
485
486 newfile = malloc(sizeof(struct files));
487
488 if (tmpfile != NULL) {
489 memcpy(newfile, tmpfile, sizeof(struct files));
490 newfile->name = strdup(tmpfile->name);
491 newfile->ref = new;
492 g_ptr_array_add(new->process_files_table,
493 newfile);
494 g_ptr_array_add(dst->files_table, newfile);
495 } else {
496 g_ptr_array_add(new->process_files_table, NULL);
497 g_ptr_array_add(dst->files_table, NULL);
498 }
499 /*
500 * if the process died during the last period, we remove all
501 * files associated with if after the copy
502 */
503 if (tmp->death > 0 && tmp->death < end) {
504 /* FIXME : close the files before */
505 g_ptr_array_remove(tmp->process_files_table, tmpfile);
506 g_free(tmpfile);
507 }
508 }
509 g_ptr_array_add(dst->process_table, new);
510
511 /*
512 * if the process died during the last period, we remove it from
513 * the current process list after the copy
514 */
515 if (tmp->death > 0 && tmp->death < end) {
516 g_ptr_array_remove(lttngtop.process_table, tmp);
517 /* FIXME : TRUE does not mean clears the object in it */
518 g_ptr_array_free(tmp->threads, TRUE);
519 free(tmp->comm);
520 g_ptr_array_free(tmp->process_files_table, TRUE);
521 /* FIXME : clear elements */
522 g_hash_table_destroy(tmp->perf);
523 g_free(tmp);
524 }
525 }
526 rotate_perfcounter();
527
528 for (i = 0; i < lttngtop.cpu_table->len; i++) {
529 tmpcpu = g_ptr_array_index(lttngtop.cpu_table, i);
530 newcpu = g_new0(struct cputime, 1);
531 memcpy(newcpu, tmpcpu, sizeof(struct cputime));
532 newcpu->perf = g_hash_table_new(g_str_hash, g_str_equal);
533 g_hash_table_foreach(tmpcpu->perf, copy_perf_counter, newcpu->perf);
534 /*
535 * note : we don't care about the current process pointer in the copy
536 * so the reference is invalid after the memcpy
537 */
538 g_ptr_array_add(dst->cpu_table, newcpu);
539 }
540 if (lttngtop.kprobes_table) {
541 for (i = 0; i < lttngtop.kprobes_table->len; i++) {
542 tmpprobe = g_ptr_array_index(lttngtop.kprobes_table, i);
543 newprobe = g_new0(struct kprobes, 1);
544 memcpy(newprobe, tmpprobe, sizeof(struct kprobes));
545 tmpprobe->count = 0;
546 g_ptr_array_add(dst->kprobes_table, newprobe);
547 }
548 }
549 /* FIXME : better algo */
550 /* create the threads index if required */
551 for (i = 0; i < dst->process_table->len; i++) {
552 tmp = g_ptr_array_index(dst->process_table, i);
553 if (tmp->pid == tmp->tid) {
554 for (j = 0; j < dst->process_table->len; j++) {
555 tmp2 = g_ptr_array_index(dst->process_table, j);
556 if (tmp2->pid == tmp->pid) {
557 tmp2->threadparent = tmp;
558 g_ptr_array_add(tmp->threads, tmp2);
559 }
560 }
561 }
562 }
563
564 // update_global_stats(dst);
565 cleanup_processtop();
566
567 return dst;
568 }
569
570
571 enum bt_cb_ret handle_statedump_process_state(struct bt_ctf_event *call_data,
572 void *private_data)
573 {
574 const struct bt_definition *scope;
575 struct processtop *proc;
576 unsigned long timestamp;
577 int64_t pid, tid, ppid, vtid, vpid, vppid;
578 char *procname, *hostname = NULL;
579
580 timestamp = bt_ctf_get_timestamp(call_data);
581 if (timestamp == -1ULL)
582 goto error;
583
584 scope = bt_ctf_get_top_level_scope(call_data,
585 BT_EVENT_FIELDS);
586 pid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
587 scope, "_pid"));
588 if (bt_ctf_field_get_error()) {
589 fprintf(stderr, "Missing pid context info\n");
590 goto error;
591 }
592 ppid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
593 scope, "_ppid"));
594 if (bt_ctf_field_get_error()) {
595 fprintf(stderr, "Missing ppid context info\n");
596 goto error;
597 }
598 tid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
599 scope, "_tid"));
600 if (bt_ctf_field_get_error()) {
601 fprintf(stderr, "Missing tid context info\n");
602 goto error;
603 }
604 vtid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
605 scope, "_vtid"));
606 if (bt_ctf_field_get_error()) {
607 fprintf(stderr, "Missing vtid context info\n");
608 goto error;
609 }
610 vpid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
611 scope, "_vpid"));
612 if (bt_ctf_field_get_error()) {
613 fprintf(stderr, "Missing vpid context info\n");
614 goto error;
615 }
616 vppid = bt_ctf_get_int64(bt_ctf_get_field(call_data,
617 scope, "_vppid"));
618 if (bt_ctf_field_get_error()) {
619 fprintf(stderr, "Missing vppid context info\n");
620 goto error;
621 }
622
623 scope = bt_ctf_get_top_level_scope(call_data,
624 BT_EVENT_FIELDS);
625 procname = bt_ctf_get_char_array(bt_ctf_get_field(call_data,
626 scope, "_name"));
627 if (bt_ctf_field_get_error()) {
628 fprintf(stderr, "Missing process name context info\n");
629 goto error;
630 }
631 /*
632 hostname = bt_ctf_get_char_array(bt_ctf_get_field(call_data,
633 scope, "_hostname"));
634 if (bt_ctf_field_get_error()) {
635 }
636 */
637
638 proc = find_process_tid(&lttngtop, tid, procname);
639 if (proc == NULL)
640 proc = add_proc(&lttngtop, tid, procname, timestamp, hostname);
641 update_proc(proc, pid, tid, ppid, vpid, vtid, vppid, procname, hostname);
642
643 if (proc) {
644 free(proc->comm);
645 proc->comm = strdup(procname);
646 proc->pid = pid;
647 }
648
649 return BT_CB_OK;
650
651 error:
652 return BT_CB_ERROR_STOP;
653 }
654
655 struct tm format_timestamp(uint64_t timestamp)
656 {
657 struct tm tm;
658 uint64_t ts_sec = 0, ts_nsec;
659 time_t time_s;
660
661 ts_nsec = timestamp;
662 ts_sec += ts_nsec / NSEC_PER_SEC;
663 ts_nsec = ts_nsec % NSEC_PER_SEC;
664
665 time_s = (time_t) ts_sec;
666
667 localtime_r(&time_s, &tm);
668
669 return tm;
670 }
671
672 int *lookup_tid_list(int tid)
673 {
674 if (!tid_filter_list)
675 return NULL;
676
677 return g_hash_table_lookup(tid_filter_list, (gpointer) &tid);
678 }
679
680 struct host *lookup_hostname_list(const char *hostname)
681 {
682 if (!hostname || !global_host_list)
683 return NULL;
684
685 return g_hash_table_lookup(global_host_list, (gpointer) hostname);
686 }
687
688 int is_hostname_filtered(const char *hostname)
689 {
690 struct host *host;
691
692 host = lookup_hostname_list(hostname);
693 if (host)
694 return host->filter;
695 return 0;
696 }
697
698 int *lookup_filter_tid_list(int tid)
699 {
700 return g_hash_table_lookup(global_filter_list, (gpointer) &tid);
701 }
702
703 void add_filter_tid_list(int tid, struct processtop *newproc)
704 {
705 unsigned long *hash_tid;
706
707 hash_tid = malloc(sizeof(unsigned long));
708 *hash_tid = tid;
709 g_hash_table_insert(global_filter_list,
710 (gpointer) (unsigned long) hash_tid, newproc);
711 }
712
713 void remove_filter_tid_list(int tid)
714 {
715 g_hash_table_remove(global_filter_list,
716 (gpointer) (unsigned long) &tid);
717 }
718
719 void add_hostname_list(char *hostname, int filter)
720 {
721 struct host *host;
722
723 if (lookup_hostname_list(hostname))
724 return;
725
726 host = g_new0(struct host, 1);
727 host->hostname = strdup(hostname);
728 host->filter = filter;
729 g_hash_table_insert(global_host_list,
730 (gpointer) host->hostname,
731 (gpointer) host);
732 }
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