1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
15 #include <rte_per_lcore.h>
17 #include "eal_private.h"
19 /* global log structure */
20 struct rte_logs rte_logs = {
22 .level = RTE_LOG_DEBUG,
26 struct rte_eal_opt_loglevel {
27 /** Next list entry */
28 TAILQ_ENTRY(rte_eal_opt_loglevel) next;
29 /** Compiled regular expression obtained from the option */
31 /** Log level value obtained from the option */
35 TAILQ_HEAD(rte_eal_opt_loglevel_list, rte_eal_opt_loglevel);
37 /** List of valid EAL log level options */
38 static struct rte_eal_opt_loglevel_list opt_loglevel_list =
39 TAILQ_HEAD_INITIALIZER(opt_loglevel_list);
41 /* Stream to use for logging if rte_logs.file is NULL */
42 static FILE *default_log_stream;
45 * This global structure stores some informations about the message
46 * that is currently being processed by one lcore
49 uint32_t loglevel; /**< log level - see rte_log.h */
50 uint32_t logtype; /**< log type - see rte_log.h */
53 struct rte_log_dynamic_type {
59 static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
63 /* Change the stream that will be used by logging system */
65 rte_openlog_stream(FILE *f)
71 /* Set global log level */
73 rte_log_set_global_level(uint32_t level)
75 rte_logs.level = (uint32_t)level;
78 /* Get global log level */
80 rte_log_get_global_level(void)
82 return rte_logs.level;
86 rte_log_get_level(uint32_t type)
88 if (type >= rte_logs.dynamic_types_len)
91 return rte_logs.dynamic_types[type].loglevel;
95 rte_log_set_level(uint32_t type, uint32_t level)
97 if (type >= rte_logs.dynamic_types_len)
99 if (level > RTE_LOG_DEBUG)
102 rte_logs.dynamic_types[type].loglevel = level;
109 rte_log_set_level_regexp(const char *pattern, uint32_t level)
114 if (level > RTE_LOG_DEBUG)
117 if (regcomp(&r, pattern, 0) != 0)
120 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
121 if (rte_logs.dynamic_types[i].name == NULL)
123 if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
125 rte_logs.dynamic_types[i].loglevel = level;
134 * Save the type (regexp string) and the loglevel
135 * in the global storage so that it could be used
136 * to configure dynamic logtypes which are absent
137 * at the moment of EAL option processing but may
138 * be registered during runtime.
140 int rte_log_save_regexp(const char *regex, int tmp)
142 struct rte_eal_opt_loglevel *opt_ll;
144 opt_ll = malloc(sizeof(*opt_ll));
148 if (regcomp(&opt_ll->re_match, regex, 0) != 0)
153 TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
160 /* get the current loglevel for the message being processed */
161 int rte_log_cur_msg_loglevel(void)
163 return RTE_PER_LCORE(log_cur_msg).loglevel;
166 /* get the current logtype for the message being processed */
167 int rte_log_cur_msg_logtype(void)
169 return RTE_PER_LCORE(log_cur_msg).logtype;
173 rte_log_lookup(const char *name)
177 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
178 if (rte_logs.dynamic_types[i].name == NULL)
180 if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
187 /* register an extended log type, assuming table is large enough, and id
188 * is not yet registered.
191 __rte_log_register(const char *name, int id)
193 char *dup_name = strdup(name);
195 if (dup_name == NULL)
198 rte_logs.dynamic_types[id].name = dup_name;
199 rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;
204 /* register an extended log type */
206 rte_log_register(const char *name)
208 struct rte_log_dynamic_type *new_dynamic_types;
211 id = rte_log_lookup(name);
215 new_dynamic_types = realloc(rte_logs.dynamic_types,
216 sizeof(struct rte_log_dynamic_type) *
217 (rte_logs.dynamic_types_len + 1));
218 if (new_dynamic_types == NULL)
220 rte_logs.dynamic_types = new_dynamic_types;
222 ret = __rte_log_register(name, rte_logs.dynamic_types_len);
226 rte_logs.dynamic_types_len++;
231 /* Register an extended log type and try to pick its level from EAL options */
232 int __rte_experimental
233 rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
235 struct rte_eal_opt_loglevel *opt_ll;
236 uint32_t level = level_def;
239 type = rte_log_register(name);
243 TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
244 if (opt_ll->level > RTE_LOG_DEBUG)
247 if (regexec(&opt_ll->re_match, name, 0, NULL, 0) == 0)
248 level = opt_ll->level;
251 rte_logs.dynamic_types[type].loglevel = level;
261 static const struct logtype logtype_strings[] = {
262 {RTE_LOGTYPE_EAL, "lib.eal"},
263 {RTE_LOGTYPE_MALLOC, "lib.malloc"},
264 {RTE_LOGTYPE_RING, "lib.ring"},
265 {RTE_LOGTYPE_MEMPOOL, "lib.mempool"},
266 {RTE_LOGTYPE_TIMER, "lib.timer"},
267 {RTE_LOGTYPE_PMD, "pmd"},
268 {RTE_LOGTYPE_HASH, "lib.hash"},
269 {RTE_LOGTYPE_LPM, "lib.lpm"},
270 {RTE_LOGTYPE_KNI, "lib.kni"},
271 {RTE_LOGTYPE_ACL, "lib.acl"},
272 {RTE_LOGTYPE_POWER, "lib.power"},
273 {RTE_LOGTYPE_METER, "lib.meter"},
274 {RTE_LOGTYPE_SCHED, "lib.sched"},
275 {RTE_LOGTYPE_PORT, "lib.port"},
276 {RTE_LOGTYPE_TABLE, "lib.table"},
277 {RTE_LOGTYPE_PIPELINE, "lib.pipeline"},
278 {RTE_LOGTYPE_MBUF, "lib.mbuf"},
279 {RTE_LOGTYPE_CRYPTODEV, "lib.cryptodev"},
280 {RTE_LOGTYPE_EFD, "lib.efd"},
281 {RTE_LOGTYPE_EVENTDEV, "lib.eventdev"},
282 {RTE_LOGTYPE_GSO, "lib.gso"},
283 {RTE_LOGTYPE_USER1, "user1"},
284 {RTE_LOGTYPE_USER2, "user2"},
285 {RTE_LOGTYPE_USER3, "user3"},
286 {RTE_LOGTYPE_USER4, "user4"},
287 {RTE_LOGTYPE_USER5, "user5"},
288 {RTE_LOGTYPE_USER6, "user6"},
289 {RTE_LOGTYPE_USER7, "user7"},
290 {RTE_LOGTYPE_USER8, "user8"}
293 /* Logging should be first initializer (before drivers and bus) */
294 RTE_INIT_PRIO(rte_log_init, LOG);
300 rte_log_set_global_level(RTE_LOG_DEBUG);
302 rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
303 sizeof(struct rte_log_dynamic_type));
304 if (rte_logs.dynamic_types == NULL)
307 /* register legacy log types */
308 for (i = 0; i < RTE_DIM(logtype_strings); i++)
309 __rte_log_register(logtype_strings[i].logtype,
310 logtype_strings[i].log_id);
312 rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
316 loglevel_to_string(uint32_t level)
319 case 0: return "disabled";
320 case RTE_LOG_EMERG: return "emerg";
321 case RTE_LOG_ALERT: return "alert";
322 case RTE_LOG_CRIT: return "critical";
323 case RTE_LOG_ERR: return "error";
324 case RTE_LOG_WARNING: return "warning";
325 case RTE_LOG_NOTICE: return "notice";
326 case RTE_LOG_INFO: return "info";
327 case RTE_LOG_DEBUG: return "debug";
328 default: return "unknown";
332 /* dump global level and registered log types */
334 rte_log_dump(FILE *f)
338 fprintf(f, "global log level is %s\n",
339 loglevel_to_string(rte_log_get_global_level()));
341 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
342 if (rte_logs.dynamic_types[i].name == NULL)
344 fprintf(f, "id %zu: %s, level is %s\n",
345 i, rte_logs.dynamic_types[i].name,
346 loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
351 * Generates a log message The message will be sent in the stream
352 * defined by the previous call to rte_openlog_stream().
355 rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
358 FILE *f = rte_logs.file;
360 f = default_log_stream;
363 * Grab the current value of stderr here, rather than
364 * just initializing default_log_stream to stderr. This
365 * ensures that we will always use the current value
366 * of stderr, even if the application closes and
373 if (level > rte_logs.level)
375 if (logtype >= rte_logs.dynamic_types_len)
377 if (level > rte_logs.dynamic_types[logtype].loglevel)
380 /* save loglevel and logtype in a global per-lcore variable */
381 RTE_PER_LCORE(log_cur_msg).loglevel = level;
382 RTE_PER_LCORE(log_cur_msg).logtype = logtype;
384 ret = vfprintf(f, format, ap);
390 * Generates a log message The message will be sent in the stream
391 * defined by the previous call to rte_openlog_stream().
392 * No need to check level here, done by rte_vlog().
395 rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
400 va_start(ap, format);
401 ret = rte_vlog(level, logtype, format, ap);
407 * Called by environment-specific initialization functions.
410 eal_log_set_default(FILE *default_log)
412 default_log_stream = default_log;
414 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
416 "Debug dataplane logs available - lower performance\n");