1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2020 Intel Corporation
3 */
4
5 #ifndef RTE_EXEC_ENV_WINDOWS
6 #include <unistd.h>
7 #include <pthread.h>
8 #include <sys/socket.h>
9 #include <sys/un.h>
10 #include <sys/stat.h>
11 #endif /* !RTE_EXEC_ENV_WINDOWS */
12
13 /* we won't link against libbsd, so just always use DPDKs-specific strlcpy */
14 #undef RTE_USE_LIBBSD
15 #include <rte_string_fns.h>
16 #include <rte_common.h>
17 #include <rte_spinlock.h>
18 #include <rte_log.h>
19
20 #include "rte_telemetry.h"
21 #include "telemetry_json.h"
22 #include "telemetry_data.h"
23 #include "telemetry_internal.h"
24
25 #define MAX_CMD_LEN 56
26 #define MAX_OUTPUT_LEN (1024 * 16)
27 #define MAX_CONNECTIONS 10
28
29 #ifndef RTE_EXEC_ENV_WINDOWS
30 static void *
31 client_handler(void *socket);
32 #endif /* !RTE_EXEC_ENV_WINDOWS */
33
34 struct cmd_callback {
35 char cmd[MAX_CMD_LEN];
36 telemetry_cb fn;
37 char help[RTE_TEL_MAX_STRING_LEN];
38 };
39
40 #ifndef RTE_EXEC_ENV_WINDOWS
41 struct socket {
42 int sock;
43 char path[sizeof(((struct sockaddr_un *)0)->sun_path)];
44 handler fn;
45 uint16_t *num_clients;
46 };
47 static struct socket v2_socket; /* socket for v2 telemetry */
48 static struct socket v1_socket; /* socket for v1 telemetry */
49 #endif /* !RTE_EXEC_ENV_WINDOWS */
50
51 static const char *telemetry_version; /* save rte_version */
52 static const char *socket_dir; /* runtime directory */
53 static rte_cpuset_t *thread_cpuset;
54 static rte_log_fn rte_log_ptr;
55 static uint32_t logtype;
56
57 #define TMTY_LOG(l, ...) \
58 rte_log_ptr(RTE_LOG_ ## l, logtype, "TELEMETRY: " __VA_ARGS__)
59
60 /* list of command callbacks, with one command registered by default */
61 static struct cmd_callback *callbacks;
62 static int num_callbacks; /* How many commands are registered */
63 /* Used when accessing or modifying list of command callbacks */
64 static rte_spinlock_t callback_sl = RTE_SPINLOCK_INITIALIZER;
65 #ifndef RTE_EXEC_ENV_WINDOWS
66 static uint16_t v2_clients;
67 #endif /* !RTE_EXEC_ENV_WINDOWS */
68
69 int
rte_telemetry_register_cmd(const char * cmd,telemetry_cb fn,const char * help)70 rte_telemetry_register_cmd(const char *cmd, telemetry_cb fn, const char *help)
71 {
72 struct cmd_callback *new_callbacks;
73 int i = 0;
74
75 if (strlen(cmd) >= MAX_CMD_LEN || fn == NULL || cmd[0] != '/'
76 || strlen(help) >= RTE_TEL_MAX_STRING_LEN)
77 return -EINVAL;
78
79 rte_spinlock_lock(&callback_sl);
80 new_callbacks = realloc(callbacks, sizeof(callbacks[0]) * (num_callbacks + 1));
81 if (new_callbacks == NULL) {
82 rte_spinlock_unlock(&callback_sl);
83 return -ENOMEM;
84 }
85 callbacks = new_callbacks;
86
87 while (i < num_callbacks && strcmp(cmd, callbacks[i].cmd) > 0)
88 i++;
89 if (i != num_callbacks)
90 /* Move elements to keep the list alphabetical */
91 memmove(callbacks + i + 1, callbacks + i,
92 sizeof(struct cmd_callback) * (num_callbacks - i));
93
94 strlcpy(callbacks[i].cmd, cmd, MAX_CMD_LEN);
95 callbacks[i].fn = fn;
96 strlcpy(callbacks[i].help, help, RTE_TEL_MAX_STRING_LEN);
97 num_callbacks++;
98 rte_spinlock_unlock(&callback_sl);
99
100 return 0;
101 }
102
103 #ifndef RTE_EXEC_ENV_WINDOWS
104
105 static int
list_commands(const char * cmd __rte_unused,const char * params __rte_unused,struct rte_tel_data * d)106 list_commands(const char *cmd __rte_unused, const char *params __rte_unused,
107 struct rte_tel_data *d)
108 {
109 int i;
110
111 rte_tel_data_start_array(d, RTE_TEL_STRING_VAL);
112 rte_spinlock_lock(&callback_sl);
113 for (i = 0; i < num_callbacks; i++)
114 rte_tel_data_add_array_string(d, callbacks[i].cmd);
115 rte_spinlock_unlock(&callback_sl);
116 return 0;
117 }
118
119 static int
json_info(const char * cmd __rte_unused,const char * params __rte_unused,struct rte_tel_data * d)120 json_info(const char *cmd __rte_unused, const char *params __rte_unused,
121 struct rte_tel_data *d)
122 {
123 rte_tel_data_start_dict(d);
124 rte_tel_data_add_dict_string(d, "version", telemetry_version);
125 rte_tel_data_add_dict_int(d, "pid", getpid());
126 rte_tel_data_add_dict_int(d, "max_output_len", MAX_OUTPUT_LEN);
127 return 0;
128 }
129
130 static int
command_help(const char * cmd __rte_unused,const char * params,struct rte_tel_data * d)131 command_help(const char *cmd __rte_unused, const char *params,
132 struct rte_tel_data *d)
133 {
134 int i;
135
136 if (!params)
137 return -1;
138 rte_tel_data_start_dict(d);
139 rte_spinlock_lock(&callback_sl);
140 for (i = 0; i < num_callbacks; i++)
141 if (strcmp(params, callbacks[i].cmd) == 0) {
142 rte_tel_data_add_dict_string(d, params,
143 callbacks[i].help);
144 break;
145 }
146 rte_spinlock_unlock(&callback_sl);
147 if (i == num_callbacks)
148 return -1;
149 return 0;
150 }
151
152 static int
container_to_json(const struct rte_tel_data * d,char * out_buf,size_t buf_len)153 container_to_json(const struct rte_tel_data *d, char *out_buf, size_t buf_len)
154 {
155 size_t used = 0;
156 unsigned int i;
157
158 if (d->type != RTE_TEL_DICT && d->type != RTE_TEL_ARRAY_U64 &&
159 d->type != RTE_TEL_ARRAY_INT && d->type != RTE_TEL_ARRAY_STRING)
160 return snprintf(out_buf, buf_len, "null");
161
162 used = rte_tel_json_empty_array(out_buf, buf_len, 0);
163 if (d->type == RTE_TEL_ARRAY_U64)
164 for (i = 0; i < d->data_len; i++)
165 used = rte_tel_json_add_array_u64(out_buf,
166 buf_len, used,
167 d->data.array[i].u64val);
168 if (d->type == RTE_TEL_ARRAY_INT)
169 for (i = 0; i < d->data_len; i++)
170 used = rte_tel_json_add_array_int(out_buf,
171 buf_len, used,
172 d->data.array[i].ival);
173 if (d->type == RTE_TEL_ARRAY_STRING)
174 for (i = 0; i < d->data_len; i++)
175 used = rte_tel_json_add_array_string(out_buf,
176 buf_len, used,
177 d->data.array[i].sval);
178 if (d->type == RTE_TEL_DICT)
179 for (i = 0; i < d->data_len; i++) {
180 const struct tel_dict_entry *v = &d->data.dict[i];
181 switch (v->type) {
182 case RTE_TEL_STRING_VAL:
183 used = rte_tel_json_add_obj_str(out_buf,
184 buf_len, used,
185 v->name, v->value.sval);
186 break;
187 case RTE_TEL_INT_VAL:
188 used = rte_tel_json_add_obj_int(out_buf,
189 buf_len, used,
190 v->name, v->value.ival);
191 break;
192 case RTE_TEL_U64_VAL:
193 used = rte_tel_json_add_obj_u64(out_buf,
194 buf_len, used,
195 v->name, v->value.u64val);
196 break;
197 case RTE_TEL_CONTAINER:
198 {
199 char temp[buf_len];
200 const struct container *cont =
201 &v->value.container;
202 if (container_to_json(cont->data,
203 temp, buf_len) != 0)
204 used = rte_tel_json_add_obj_json(
205 out_buf,
206 buf_len, used,
207 v->name, temp);
208 if (!cont->keep)
209 rte_tel_data_free(cont->data);
210 break;
211 }
212 }
213 }
214
215 return used;
216 }
217
218 static void
output_json(const char * cmd,const struct rte_tel_data * d,int s)219 output_json(const char *cmd, const struct rte_tel_data *d, int s)
220 {
221 char out_buf[MAX_OUTPUT_LEN];
222
223 char *cb_data_buf;
224 size_t buf_len, prefix_used, used = 0;
225 unsigned int i;
226
227 RTE_BUILD_BUG_ON(sizeof(out_buf) < MAX_CMD_LEN +
228 RTE_TEL_MAX_SINGLE_STRING_LEN + 10);
229 switch (d->type) {
230 case RTE_TEL_NULL:
231 used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":null}",
232 MAX_CMD_LEN, cmd ? cmd : "none");
233 break;
234 case RTE_TEL_STRING:
235 used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":\"%.*s\"}",
236 MAX_CMD_LEN, cmd,
237 RTE_TEL_MAX_SINGLE_STRING_LEN, d->data.str);
238 break;
239 case RTE_TEL_DICT:
240 prefix_used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":",
241 MAX_CMD_LEN, cmd);
242 cb_data_buf = &out_buf[prefix_used];
243 buf_len = sizeof(out_buf) - prefix_used - 1; /* space for '}' */
244
245 used = rte_tel_json_empty_obj(cb_data_buf, buf_len, 0);
246 for (i = 0; i < d->data_len; i++) {
247 const struct tel_dict_entry *v = &d->data.dict[i];
248 switch (v->type) {
249 case RTE_TEL_STRING_VAL:
250 used = rte_tel_json_add_obj_str(cb_data_buf,
251 buf_len, used,
252 v->name, v->value.sval);
253 break;
254 case RTE_TEL_INT_VAL:
255 used = rte_tel_json_add_obj_int(cb_data_buf,
256 buf_len, used,
257 v->name, v->value.ival);
258 break;
259 case RTE_TEL_U64_VAL:
260 used = rte_tel_json_add_obj_u64(cb_data_buf,
261 buf_len, used,
262 v->name, v->value.u64val);
263 break;
264 case RTE_TEL_CONTAINER:
265 {
266 char temp[buf_len];
267 const struct container *cont =
268 &v->value.container;
269 if (container_to_json(cont->data,
270 temp, buf_len) != 0)
271 used = rte_tel_json_add_obj_json(
272 cb_data_buf,
273 buf_len, used,
274 v->name, temp);
275 if (!cont->keep)
276 rte_tel_data_free(cont->data);
277 }
278 }
279 }
280 used += prefix_used;
281 used += strlcat(out_buf + used, "}", sizeof(out_buf) - used);
282 break;
283 case RTE_TEL_ARRAY_STRING:
284 case RTE_TEL_ARRAY_INT:
285 case RTE_TEL_ARRAY_U64:
286 case RTE_TEL_ARRAY_CONTAINER:
287 prefix_used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":",
288 MAX_CMD_LEN, cmd);
289 cb_data_buf = &out_buf[prefix_used];
290 buf_len = sizeof(out_buf) - prefix_used - 1; /* space for '}' */
291
292 used = rte_tel_json_empty_array(cb_data_buf, buf_len, 0);
293 for (i = 0; i < d->data_len; i++)
294 if (d->type == RTE_TEL_ARRAY_STRING)
295 used = rte_tel_json_add_array_string(
296 cb_data_buf,
297 buf_len, used,
298 d->data.array[i].sval);
299 else if (d->type == RTE_TEL_ARRAY_INT)
300 used = rte_tel_json_add_array_int(cb_data_buf,
301 buf_len, used,
302 d->data.array[i].ival);
303 else if (d->type == RTE_TEL_ARRAY_U64)
304 used = rte_tel_json_add_array_u64(cb_data_buf,
305 buf_len, used,
306 d->data.array[i].u64val);
307 else if (d->type == RTE_TEL_ARRAY_CONTAINER) {
308 char temp[buf_len];
309 const struct container *rec_data =
310 &d->data.array[i].container;
311 if (container_to_json(rec_data->data,
312 temp, buf_len) != 0)
313 used = rte_tel_json_add_array_json(
314 cb_data_buf,
315 buf_len, used, temp);
316 if (!rec_data->keep)
317 rte_tel_data_free(rec_data->data);
318 }
319 used += prefix_used;
320 used += strlcat(out_buf + used, "}", sizeof(out_buf) - used);
321 break;
322 }
323 if (write(s, out_buf, used) < 0)
324 perror("Error writing to socket");
325 }
326
327 static void
perform_command(telemetry_cb fn,const char * cmd,const char * param,int s)328 perform_command(telemetry_cb fn, const char *cmd, const char *param, int s)
329 {
330 struct rte_tel_data data;
331
332 int ret = fn(cmd, param, &data);
333 if (ret < 0) {
334 char out_buf[MAX_CMD_LEN + 10];
335 int used = snprintf(out_buf, sizeof(out_buf), "{\"%.*s\":null}",
336 MAX_CMD_LEN, cmd ? cmd : "none");
337 if (write(s, out_buf, used) < 0)
338 perror("Error writing to socket");
339 return;
340 }
341 output_json(cmd, &data, s);
342 }
343
344 static int
unknown_command(const char * cmd __rte_unused,const char * params __rte_unused,struct rte_tel_data * d)345 unknown_command(const char *cmd __rte_unused, const char *params __rte_unused,
346 struct rte_tel_data *d)
347 {
348 return d->type = RTE_TEL_NULL;
349 }
350
351 static void *
client_handler(void * sock_id)352 client_handler(void *sock_id)
353 {
354 int s = (int)(uintptr_t)sock_id;
355 char buffer[1024];
356 char info_str[1024];
357 snprintf(info_str, sizeof(info_str),
358 "{\"version\":\"%s\",\"pid\":%d,\"max_output_len\":%d}",
359 telemetry_version, getpid(), MAX_OUTPUT_LEN);
360 if (write(s, info_str, strlen(info_str)) < 0) {
361 close(s);
362 return NULL;
363 }
364
365 /* receive data is not null terminated */
366 int bytes = read(s, buffer, sizeof(buffer) - 1);
367 while (bytes > 0) {
368 buffer[bytes] = 0;
369 const char *cmd = strtok(buffer, ",");
370 const char *param = strtok(NULL, "\0");
371 telemetry_cb fn = unknown_command;
372 int i;
373
374 if (cmd && strlen(cmd) < MAX_CMD_LEN) {
375 rte_spinlock_lock(&callback_sl);
376 for (i = 0; i < num_callbacks; i++)
377 if (strcmp(cmd, callbacks[i].cmd) == 0) {
378 fn = callbacks[i].fn;
379 break;
380 }
381 rte_spinlock_unlock(&callback_sl);
382 }
383 perform_command(fn, cmd, param, s);
384
385 bytes = read(s, buffer, sizeof(buffer) - 1);
386 }
387 close(s);
388 __atomic_sub_fetch(&v2_clients, 1, __ATOMIC_RELAXED);
389 return NULL;
390 }
391
392 static void *
socket_listener(void * socket)393 socket_listener(void *socket)
394 {
395 while (1) {
396 pthread_t th;
397 int rc;
398 struct socket *s = (struct socket *)socket;
399 int s_accepted = accept(s->sock, NULL, NULL);
400 if (s_accepted < 0) {
401 TMTY_LOG(ERR, "Error with accept, telemetry thread quitting\n");
402 return NULL;
403 }
404 if (s->num_clients != NULL) {
405 uint16_t conns = __atomic_load_n(s->num_clients,
406 __ATOMIC_RELAXED);
407 if (conns >= MAX_CONNECTIONS) {
408 close(s_accepted);
409 continue;
410 }
411 __atomic_add_fetch(s->num_clients, 1,
412 __ATOMIC_RELAXED);
413 }
414 rc = pthread_create(&th, NULL, s->fn,
415 (void *)(uintptr_t)s_accepted);
416 if (rc != 0) {
417 TMTY_LOG(ERR, "Error with create client thread: %s\n",
418 strerror(rc));
419 close(s_accepted);
420 if (s->num_clients != NULL)
421 __atomic_sub_fetch(s->num_clients, 1,
422 __ATOMIC_RELAXED);
423 continue;
424 }
425 pthread_detach(th);
426 }
427 return NULL;
428 }
429
430 static inline char *
get_socket_path(const char * runtime_dir,const int version)431 get_socket_path(const char *runtime_dir, const int version)
432 {
433 static char path[PATH_MAX];
434 snprintf(path, sizeof(path), "%s/dpdk_telemetry.v%d",
435 strlen(runtime_dir) ? runtime_dir : "/tmp", version);
436 return path;
437 }
438
439 static void
unlink_sockets(void)440 unlink_sockets(void)
441 {
442 if (v2_socket.path[0])
443 unlink(v2_socket.path);
444 if (v1_socket.path[0])
445 unlink(v1_socket.path);
446 }
447
448 static int
create_socket(char * path)449 create_socket(char *path)
450 {
451 int sock = socket(AF_UNIX, SOCK_SEQPACKET, 0);
452 if (sock < 0) {
453 TMTY_LOG(ERR, "Error with socket creation, %s\n", strerror(errno));
454 return -1;
455 }
456
457 struct sockaddr_un sun = {.sun_family = AF_UNIX};
458 strlcpy(sun.sun_path, path, sizeof(sun.sun_path));
459 TMTY_LOG(DEBUG, "Attempting socket bind to path '%s'\n", path);
460
461 if (bind(sock, (void *) &sun, sizeof(sun)) < 0) {
462 struct stat st;
463
464 TMTY_LOG(DEBUG, "Initial bind to socket '%s' failed.\n", path);
465
466 /* first check if we have a runtime dir */
467 if (stat(socket_dir, &st) < 0 || !S_ISDIR(st.st_mode)) {
468 TMTY_LOG(ERR, "Cannot access DPDK runtime directory: %s\n", socket_dir);
469 close(sock);
470 return -ENOENT;
471 }
472
473 /* check if current socket is active */
474 if (connect(sock, (void *)&sun, sizeof(sun)) == 0) {
475 close(sock);
476 return -EADDRINUSE;
477 }
478
479 /* socket is not active, delete and attempt rebind */
480 TMTY_LOG(DEBUG, "Attempting unlink and retrying bind\n");
481 unlink(sun.sun_path);
482 if (bind(sock, (void *) &sun, sizeof(sun)) < 0) {
483 TMTY_LOG(ERR, "Error binding socket: %s\n", strerror(errno));
484 close(sock);
485 return -errno; /* if unlink failed, this will be -EADDRINUSE as above */
486 }
487 }
488
489 if (listen(sock, 1) < 0) {
490 TMTY_LOG(ERR, "Error calling listen for socket: %s\n", strerror(errno));
491 unlink(sun.sun_path);
492 close(sock);
493 return -errno;
494 }
495 TMTY_LOG(DEBUG, "Socket creation and binding ok\n");
496
497 return sock;
498 }
499
500 static void
set_thread_name(pthread_t id __rte_unused,const char * name __rte_unused)501 set_thread_name(pthread_t id __rte_unused, const char *name __rte_unused)
502 {
503 #if defined RTE_EXEC_ENV_LINUX && defined __GLIBC__ && defined __GLIBC_PREREQ
504 #if __GLIBC_PREREQ(2, 12)
505 pthread_setname_np(id, name);
506 #endif
507 #elif defined RTE_EXEC_ENV_FREEBSD
508 pthread_set_name_np(id, name);
509 #endif
510 }
511
512 static int
telemetry_legacy_init(void)513 telemetry_legacy_init(void)
514 {
515 pthread_t t_old;
516 int rc;
517
518 if (num_legacy_callbacks == 1) {
519 TMTY_LOG(WARNING, "No legacy callbacks, legacy socket not created\n");
520 return -1;
521 }
522
523 v1_socket.fn = legacy_client_handler;
524 if ((size_t) snprintf(v1_socket.path, sizeof(v1_socket.path),
525 "%s/telemetry", socket_dir) >= sizeof(v1_socket.path)) {
526 TMTY_LOG(ERR, "Error with socket binding, path too long\n");
527 return -1;
528 }
529 v1_socket.sock = create_socket(v1_socket.path);
530 if (v1_socket.sock < 0) {
531 v1_socket.path[0] = '\0';
532 return -1;
533 }
534 rc = pthread_create(&t_old, NULL, socket_listener, &v1_socket);
535 if (rc != 0) {
536 TMTY_LOG(ERR, "Error with create legacy socket thread: %s\n",
537 strerror(rc));
538 close(v1_socket.sock);
539 v1_socket.sock = -1;
540 unlink(v1_socket.path);
541 v1_socket.path[0] = '\0';
542 return -1;
543 }
544 pthread_setaffinity_np(t_old, sizeof(*thread_cpuset), thread_cpuset);
545 set_thread_name(t_old, "telemetry-v1");
546 TMTY_LOG(DEBUG, "Legacy telemetry socket initialized ok\n");
547 pthread_detach(t_old);
548 return 0;
549 }
550
551 static int
telemetry_v2_init(void)552 telemetry_v2_init(void)
553 {
554 char spath[sizeof(v2_socket.path)];
555 pthread_t t_new;
556 short suffix = 0;
557 int rc;
558
559 v2_socket.num_clients = &v2_clients;
560 rte_telemetry_register_cmd("/", list_commands,
561 "Returns list of available commands, Takes no parameters");
562 rte_telemetry_register_cmd("/info", json_info,
563 "Returns DPDK Telemetry information. Takes no parameters");
564 rte_telemetry_register_cmd("/help", command_help,
565 "Returns help text for a command. Parameters: string command");
566 v2_socket.fn = client_handler;
567 if (strlcpy(spath, get_socket_path(socket_dir, 2), sizeof(spath)) >= sizeof(spath)) {
568 TMTY_LOG(ERR, "Error with socket binding, path too long\n");
569 return -1;
570 }
571 memcpy(v2_socket.path, spath, sizeof(v2_socket.path));
572
573 v2_socket.sock = create_socket(v2_socket.path);
574 while (v2_socket.sock < 0) {
575 /* bail out on unexpected error, or suffix wrap-around */
576 if (v2_socket.sock != -EADDRINUSE || suffix < 0) {
577 v2_socket.path[0] = '\0'; /* clear socket path */
578 return -1;
579 }
580 /* add a suffix to the path if the basic version fails */
581 if (snprintf(v2_socket.path, sizeof(v2_socket.path), "%s:%d",
582 spath, ++suffix) >= (int)sizeof(v2_socket.path)) {
583 TMTY_LOG(ERR, "Error with socket binding, path too long\n");
584 return -1;
585 }
586 v2_socket.sock = create_socket(v2_socket.path);
587 }
588 rc = pthread_create(&t_new, NULL, socket_listener, &v2_socket);
589 if (rc != 0) {
590 TMTY_LOG(ERR, "Error with create socket thread: %s\n",
591 strerror(rc));
592 close(v2_socket.sock);
593 v2_socket.sock = -1;
594 unlink(v2_socket.path);
595 v2_socket.path[0] = '\0';
596 return -1;
597 }
598 pthread_setaffinity_np(t_new, sizeof(*thread_cpuset), thread_cpuset);
599 set_thread_name(t_new, "telemetry-v2");
600 pthread_detach(t_new);
601 atexit(unlink_sockets);
602
603 return 0;
604 }
605
606 #endif /* !RTE_EXEC_ENV_WINDOWS */
607
608 int32_t
rte_telemetry_init(const char * runtime_dir,const char * rte_version,rte_cpuset_t * cpuset,rte_log_fn log_fn,uint32_t registered_logtype)609 rte_telemetry_init(const char *runtime_dir, const char *rte_version, rte_cpuset_t *cpuset,
610 rte_log_fn log_fn, uint32_t registered_logtype)
611 {
612 telemetry_version = rte_version;
613 socket_dir = runtime_dir;
614 thread_cpuset = cpuset;
615 rte_log_ptr = log_fn;
616 logtype = registered_logtype;
617
618 #ifndef RTE_EXEC_ENV_WINDOWS
619 if (telemetry_v2_init() != 0)
620 return -1;
621 TMTY_LOG(DEBUG, "Telemetry initialized ok\n");
622 telemetry_legacy_init();
623 #endif /* RTE_EXEC_ENV_WINDOWS */
624
625 return 0;
626 }
627