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 /** Global list of valid EAL log level options */
27 struct rte_eal_opt_loglevel_list opt_loglevel_list =
28 TAILQ_HEAD_INITIALIZER(opt_loglevel_list);
30 /* Stream to use for logging if rte_logs.file is NULL */
31 static FILE *default_log_stream;
34 * This global structure stores some informations about the message
35 * that is currently being processed by one lcore
38 uint32_t loglevel; /**< log level - see rte_log.h */
39 uint32_t logtype; /**< log type - see rte_log.h */
42 struct rte_log_dynamic_type {
48 static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
52 /* Change the stream that will be used by logging system */
54 rte_openlog_stream(FILE *f)
60 /* Set global log level */
62 rte_log_set_global_level(uint32_t level)
64 rte_logs.level = (uint32_t)level;
67 /* Get global log level */
69 rte_log_get_global_level(void)
71 return rte_logs.level;
75 rte_log_get_level(uint32_t type)
77 if (type >= rte_logs.dynamic_types_len)
80 return rte_logs.dynamic_types[type].loglevel;
84 rte_log_set_level(uint32_t type, uint32_t level)
86 if (type >= rte_logs.dynamic_types_len)
88 if (level > RTE_LOG_DEBUG)
91 rte_logs.dynamic_types[type].loglevel = level;
98 rte_log_set_level_regexp(const char *pattern, uint32_t level)
103 if (level > RTE_LOG_DEBUG)
106 if (regcomp(&r, pattern, 0) != 0)
109 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
110 if (rte_logs.dynamic_types[i].name == NULL)
112 if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
114 rte_logs.dynamic_types[i].loglevel = level;
122 /* get the current loglevel for the message being processed */
123 int rte_log_cur_msg_loglevel(void)
125 return RTE_PER_LCORE(log_cur_msg).loglevel;
128 /* get the current logtype for the message being processed */
129 int rte_log_cur_msg_logtype(void)
131 return RTE_PER_LCORE(log_cur_msg).logtype;
135 rte_log_lookup(const char *name)
139 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
140 if (rte_logs.dynamic_types[i].name == NULL)
142 if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
149 /* register an extended log type, assuming table is large enough, and id
150 * is not yet registered.
153 __rte_log_register(const char *name, int id)
155 char *dup_name = strdup(name);
157 if (dup_name == NULL)
160 rte_logs.dynamic_types[id].name = dup_name;
161 rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;
166 /* register an extended log type */
168 rte_log_register(const char *name)
170 struct rte_log_dynamic_type *new_dynamic_types;
173 id = rte_log_lookup(name);
177 new_dynamic_types = realloc(rte_logs.dynamic_types,
178 sizeof(struct rte_log_dynamic_type) *
179 (rte_logs.dynamic_types_len + 1));
180 if (new_dynamic_types == NULL)
182 rte_logs.dynamic_types = new_dynamic_types;
184 ret = __rte_log_register(name, rte_logs.dynamic_types_len);
188 rte_logs.dynamic_types_len++;
193 /* Register an extended log type and try to pick its level from EAL options */
194 int __rte_experimental
195 rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
197 struct rte_eal_opt_loglevel *opt_ll;
198 uint32_t level = level_def;
201 type = rte_log_register(name);
205 TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
208 if (opt_ll->level > RTE_LOG_DEBUG)
211 if (regcomp(&r, opt_ll->re_type, 0) != 0)
214 if (regexec(&r, name, 0, NULL, 0) == 0)
215 level = opt_ll->level;
220 rte_logs.dynamic_types[type].loglevel = level;
230 static const struct logtype logtype_strings[] = {
231 {RTE_LOGTYPE_EAL, "lib.eal"},
232 {RTE_LOGTYPE_MALLOC, "lib.malloc"},
233 {RTE_LOGTYPE_RING, "lib.ring"},
234 {RTE_LOGTYPE_MEMPOOL, "lib.mempool"},
235 {RTE_LOGTYPE_TIMER, "lib.timer"},
236 {RTE_LOGTYPE_PMD, "pmd"},
237 {RTE_LOGTYPE_HASH, "lib.hash"},
238 {RTE_LOGTYPE_LPM, "lib.lpm"},
239 {RTE_LOGTYPE_KNI, "lib.kni"},
240 {RTE_LOGTYPE_ACL, "lib.acl"},
241 {RTE_LOGTYPE_POWER, "lib.power"},
242 {RTE_LOGTYPE_METER, "lib.meter"},
243 {RTE_LOGTYPE_SCHED, "lib.sched"},
244 {RTE_LOGTYPE_PORT, "lib.port"},
245 {RTE_LOGTYPE_TABLE, "lib.table"},
246 {RTE_LOGTYPE_PIPELINE, "lib.pipeline"},
247 {RTE_LOGTYPE_MBUF, "lib.mbuf"},
248 {RTE_LOGTYPE_CRYPTODEV, "lib.cryptodev"},
249 {RTE_LOGTYPE_EFD, "lib.efd"},
250 {RTE_LOGTYPE_EVENTDEV, "lib.eventdev"},
251 {RTE_LOGTYPE_GSO, "lib.gso"},
252 {RTE_LOGTYPE_USER1, "user1"},
253 {RTE_LOGTYPE_USER2, "user2"},
254 {RTE_LOGTYPE_USER3, "user3"},
255 {RTE_LOGTYPE_USER4, "user4"},
256 {RTE_LOGTYPE_USER5, "user5"},
257 {RTE_LOGTYPE_USER6, "user6"},
258 {RTE_LOGTYPE_USER7, "user7"},
259 {RTE_LOGTYPE_USER8, "user8"}
262 /* Logging should be first initializer (before drivers and bus) */
263 RTE_INIT_PRIO(rte_log_init, 101);
269 rte_log_set_global_level(RTE_LOG_DEBUG);
271 rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
272 sizeof(struct rte_log_dynamic_type));
273 if (rte_logs.dynamic_types == NULL)
276 /* register legacy log types */
277 for (i = 0; i < RTE_DIM(logtype_strings); i++)
278 __rte_log_register(logtype_strings[i].logtype,
279 logtype_strings[i].log_id);
281 rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
285 loglevel_to_string(uint32_t level)
288 case 0: return "disabled";
289 case RTE_LOG_EMERG: return "emerg";
290 case RTE_LOG_ALERT: return "alert";
291 case RTE_LOG_CRIT: return "critical";
292 case RTE_LOG_ERR: return "error";
293 case RTE_LOG_WARNING: return "warning";
294 case RTE_LOG_NOTICE: return "notice";
295 case RTE_LOG_INFO: return "info";
296 case RTE_LOG_DEBUG: return "debug";
297 default: return "unknown";
301 /* dump global level and registered log types */
303 rte_log_dump(FILE *f)
307 fprintf(f, "global log level is %s\n",
308 loglevel_to_string(rte_log_get_global_level()));
310 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
311 if (rte_logs.dynamic_types[i].name == NULL)
313 fprintf(f, "id %zu: %s, level is %s\n",
314 i, rte_logs.dynamic_types[i].name,
315 loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
320 * Generates a log message The message will be sent in the stream
321 * defined by the previous call to rte_openlog_stream().
324 rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
327 FILE *f = rte_logs.file;
329 f = default_log_stream;
332 * Grab the current value of stderr here, rather than
333 * just initializing default_log_stream to stderr. This
334 * ensures that we will always use the current value
335 * of stderr, even if the application closes and
342 if (level > rte_logs.level)
344 if (logtype >= rte_logs.dynamic_types_len)
346 if (level > rte_logs.dynamic_types[logtype].loglevel)
349 /* save loglevel and logtype in a global per-lcore variable */
350 RTE_PER_LCORE(log_cur_msg).loglevel = level;
351 RTE_PER_LCORE(log_cur_msg).logtype = logtype;
353 ret = vfprintf(f, format, ap);
359 * Generates a log message The message will be sent in the stream
360 * defined by the previous call to rte_openlog_stream().
361 * No need to check level here, done by rte_vlog().
364 rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
369 va_start(ap, format);
370 ret = rte_vlog(level, logtype, format, ap);
376 * Called by environment-specific initialization functions.
379 eal_log_set_default(FILE *default_log)
381 default_log_stream = default_log;
383 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
385 "Debug dataplane logs available - lower performance\n");