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 /* Stream to use for logging if rte_logs.file is NULL */
27 static FILE *default_log_stream;
30 * This global structure stores some informations about the message
31 * that is currently being processed by one lcore
34 uint32_t loglevel; /**< log level - see rte_log.h */
35 uint32_t logtype; /**< log type - see rte_log.h */
38 struct rte_log_dynamic_type {
44 static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
48 /* Change the stream that will be used by logging system */
50 rte_openlog_stream(FILE *f)
56 /* Set global log level */
58 rte_log_set_global_level(uint32_t level)
60 rte_logs.level = (uint32_t)level;
63 /* Get global log level */
65 rte_log_get_global_level(void)
67 return rte_logs.level;
71 rte_log_get_level(uint32_t type)
73 if (type >= rte_logs.dynamic_types_len)
76 return rte_logs.dynamic_types[type].loglevel;
80 rte_log_set_level(uint32_t type, uint32_t level)
82 if (type >= rte_logs.dynamic_types_len)
84 if (level > RTE_LOG_DEBUG)
87 rte_logs.dynamic_types[type].loglevel = level;
94 rte_log_set_level_regexp(const char *pattern, uint32_t level)
99 if (level > RTE_LOG_DEBUG)
102 if (regcomp(&r, pattern, 0) != 0)
105 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
106 if (rte_logs.dynamic_types[i].name == NULL)
108 if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
110 rte_logs.dynamic_types[i].loglevel = level;
116 /* get the current loglevel for the message being processed */
117 int rte_log_cur_msg_loglevel(void)
119 return RTE_PER_LCORE(log_cur_msg).loglevel;
122 /* get the current logtype for the message being processed */
123 int rte_log_cur_msg_logtype(void)
125 return RTE_PER_LCORE(log_cur_msg).logtype;
129 rte_log_lookup(const char *name)
133 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
134 if (rte_logs.dynamic_types[i].name == NULL)
136 if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
143 /* register an extended log type, assuming table is large enough, and id
144 * is not yet registered.
147 __rte_log_register(const char *name, int id)
149 char *dup_name = strdup(name);
151 if (dup_name == NULL)
154 rte_logs.dynamic_types[id].name = dup_name;
155 rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;
160 /* register an extended log type */
162 rte_log_register(const char *name)
164 struct rte_log_dynamic_type *new_dynamic_types;
167 id = rte_log_lookup(name);
171 new_dynamic_types = realloc(rte_logs.dynamic_types,
172 sizeof(struct rte_log_dynamic_type) *
173 (rte_logs.dynamic_types_len + 1));
174 if (new_dynamic_types == NULL)
176 rte_logs.dynamic_types = new_dynamic_types;
178 ret = __rte_log_register(name, rte_logs.dynamic_types_len);
182 rte_logs.dynamic_types_len++;
192 static const struct logtype logtype_strings[] = {
193 {RTE_LOGTYPE_EAL, "lib.eal"},
194 {RTE_LOGTYPE_MALLOC, "lib.malloc"},
195 {RTE_LOGTYPE_RING, "lib.ring"},
196 {RTE_LOGTYPE_MEMPOOL, "lib.mempool"},
197 {RTE_LOGTYPE_TIMER, "lib.timer"},
198 {RTE_LOGTYPE_PMD, "pmd"},
199 {RTE_LOGTYPE_HASH, "lib.hash"},
200 {RTE_LOGTYPE_LPM, "lib.lpm"},
201 {RTE_LOGTYPE_KNI, "lib.kni"},
202 {RTE_LOGTYPE_ACL, "lib.acl"},
203 {RTE_LOGTYPE_POWER, "lib.power"},
204 {RTE_LOGTYPE_METER, "lib.meter"},
205 {RTE_LOGTYPE_SCHED, "lib.sched"},
206 {RTE_LOGTYPE_PORT, "lib.port"},
207 {RTE_LOGTYPE_TABLE, "lib.table"},
208 {RTE_LOGTYPE_PIPELINE, "lib.pipeline"},
209 {RTE_LOGTYPE_MBUF, "lib.mbuf"},
210 {RTE_LOGTYPE_CRYPTODEV, "lib.cryptodev"},
211 {RTE_LOGTYPE_EFD, "lib.efd"},
212 {RTE_LOGTYPE_EVENTDEV, "lib.eventdev"},
213 {RTE_LOGTYPE_GSO, "lib.gso"},
214 {RTE_LOGTYPE_USER1, "user1"},
215 {RTE_LOGTYPE_USER2, "user2"},
216 {RTE_LOGTYPE_USER3, "user3"},
217 {RTE_LOGTYPE_USER4, "user4"},
218 {RTE_LOGTYPE_USER5, "user5"},
219 {RTE_LOGTYPE_USER6, "user6"},
220 {RTE_LOGTYPE_USER7, "user7"},
221 {RTE_LOGTYPE_USER8, "user8"}
224 /* Logging should be first initializer (before drivers and bus) */
225 RTE_INIT_PRIO(rte_log_init, 101);
231 rte_log_set_global_level(RTE_LOG_DEBUG);
233 rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
234 sizeof(struct rte_log_dynamic_type));
235 if (rte_logs.dynamic_types == NULL)
238 /* register legacy log types */
239 for (i = 0; i < RTE_DIM(logtype_strings); i++)
240 __rte_log_register(logtype_strings[i].logtype,
241 logtype_strings[i].log_id);
243 rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
247 loglevel_to_string(uint32_t level)
250 case 0: return "disabled";
251 case RTE_LOG_EMERG: return "emerg";
252 case RTE_LOG_ALERT: return "alert";
253 case RTE_LOG_CRIT: return "critical";
254 case RTE_LOG_ERR: return "error";
255 case RTE_LOG_WARNING: return "warning";
256 case RTE_LOG_NOTICE: return "notice";
257 case RTE_LOG_INFO: return "info";
258 case RTE_LOG_DEBUG: return "debug";
259 default: return "unknown";
263 /* dump global level and registered log types */
265 rte_log_dump(FILE *f)
269 fprintf(f, "global log level is %s\n",
270 loglevel_to_string(rte_log_get_global_level()));
272 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
273 if (rte_logs.dynamic_types[i].name == NULL)
275 fprintf(f, "id %zu: %s, level is %s\n",
276 i, rte_logs.dynamic_types[i].name,
277 loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
282 * Generates a log message The message will be sent in the stream
283 * defined by the previous call to rte_openlog_stream().
286 rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
289 FILE *f = rte_logs.file;
291 f = default_log_stream;
294 * Grab the current value of stderr here, rather than
295 * just initializing default_log_stream to stderr. This
296 * ensures that we will always use the current value
297 * of stderr, even if the application closes and
304 if (level > rte_logs.level)
306 if (logtype >= rte_logs.dynamic_types_len)
308 if (level > rte_logs.dynamic_types[logtype].loglevel)
311 /* save loglevel and logtype in a global per-lcore variable */
312 RTE_PER_LCORE(log_cur_msg).loglevel = level;
313 RTE_PER_LCORE(log_cur_msg).logtype = logtype;
315 ret = vfprintf(f, format, ap);
321 * Generates a log message The message will be sent in the stream
322 * defined by the previous call to rte_openlog_stream().
323 * No need to check level here, done by rte_vlog().
326 rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
331 va_start(ap, format);
332 ret = rte_vlog(level, logtype, format, ap);
338 * Called by environment-specific initialization functions.
341 eal_log_set_default(FILE *default_log)
343 default_log_stream = default_log;
345 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
347 "Debug dataplane logs available - lower performance\n");