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44 #include <rte_per_lcore.h>
46 #include "eal_private.h"
48 /* global log structure */
49 struct rte_logs rte_logs = {
51 .level = RTE_LOG_DEBUG,
55 /* Stream to use for logging if rte_logs.file is NULL */
56 static FILE *default_log_stream;
59 * This global structure stores some informations about the message
60 * that is currently being processed by one lcore
63 uint32_t loglevel; /**< log level - see rte_log.h */
64 uint32_t logtype; /**< log type - see rte_log.h */
67 struct rte_log_dynamic_type {
73 static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
77 /* Change the stream that will be used by logging system */
79 rte_openlog_stream(FILE *f)
85 /* Set global log level */
87 rte_log_set_global_level(uint32_t level)
89 rte_logs.level = (uint32_t)level;
92 /* Set global log level */
93 /* replaced by rte_log_set_global_level */
95 rte_set_log_level(uint32_t level)
97 rte_log_set_global_level(level);
100 /* Get global log level */
102 rte_log_get_global_level(void)
104 return rte_logs.level;
107 /* Get global log level */
108 /* replaced by rte_log_get_global_level */
110 rte_get_log_level(void)
112 return rte_log_get_global_level();
116 rte_log_get_level(uint32_t type)
118 if (type >= rte_logs.dynamic_types_len)
121 return rte_logs.dynamic_types[type].loglevel;
124 /* Set global log type */
125 __rte_deprecated void
126 rte_set_log_type(uint32_t type, int enable)
128 if (type < RTE_LOGTYPE_FIRST_EXT_ID) {
130 rte_logs.type |= 1 << type;
132 rte_logs.type &= ~(1 << type);
136 rte_log_set_level(type, 0);
138 rte_log_set_level(type, RTE_LOG_DEBUG);
141 /* Get global log type */
142 __rte_deprecated uint32_t
143 rte_get_log_type(void)
145 return rte_logs.type;
149 rte_log_set_level(uint32_t type, uint32_t level)
151 if (type >= rte_logs.dynamic_types_len)
153 if (level > RTE_LOG_DEBUG)
156 rte_logs.dynamic_types[type].loglevel = level;
163 rte_log_set_level_regexp(const char *pattern, uint32_t level)
168 if (level > RTE_LOG_DEBUG)
171 if (regcomp(&r, pattern, 0) != 0)
174 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
175 if (rte_logs.dynamic_types[i].name == NULL)
177 if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
179 rte_logs.dynamic_types[i].loglevel = level;
185 /* get the current loglevel for the message being processed */
186 int rte_log_cur_msg_loglevel(void)
188 return RTE_PER_LCORE(log_cur_msg).loglevel;
191 /* get the current logtype for the message being processed */
192 int rte_log_cur_msg_logtype(void)
194 return RTE_PER_LCORE(log_cur_msg).logtype;
198 rte_log_lookup(const char *name)
202 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
203 if (rte_logs.dynamic_types[i].name == NULL)
205 if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
212 /* register an extended log type, assuming table is large enough, and id
213 * is not yet registered.
216 __rte_log_register(const char *name, int id)
218 char *dup_name = strdup(name);
220 if (dup_name == NULL)
223 rte_logs.dynamic_types[id].name = dup_name;
224 rte_logs.dynamic_types[id].loglevel = RTE_LOG_DEBUG;
229 /* register an extended log type */
231 rte_log_register(const char *name)
233 struct rte_log_dynamic_type *new_dynamic_types;
236 id = rte_log_lookup(name);
240 new_dynamic_types = realloc(rte_logs.dynamic_types,
241 sizeof(struct rte_log_dynamic_type) *
242 (rte_logs.dynamic_types_len + 1));
243 if (new_dynamic_types == NULL)
245 rte_logs.dynamic_types = new_dynamic_types;
247 ret = __rte_log_register(name, rte_logs.dynamic_types_len);
251 rte_logs.dynamic_types_len++;
261 static const struct logtype logtype_strings[] = {
262 {RTE_LOGTYPE_EAL, "eal"},
263 {RTE_LOGTYPE_MALLOC, "malloc"},
264 {RTE_LOGTYPE_RING, "ring"},
265 {RTE_LOGTYPE_MEMPOOL, "mempool"},
266 {RTE_LOGTYPE_TIMER, "timer"},
267 {RTE_LOGTYPE_PMD, "pmd"},
268 {RTE_LOGTYPE_HASH, "hash"},
269 {RTE_LOGTYPE_LPM, "lpm"},
270 {RTE_LOGTYPE_KNI, "kni"},
271 {RTE_LOGTYPE_ACL, "acl"},
272 {RTE_LOGTYPE_POWER, "power"},
273 {RTE_LOGTYPE_METER, "meter"},
274 {RTE_LOGTYPE_SCHED, "sched"},
275 {RTE_LOGTYPE_PORT, "port"},
276 {RTE_LOGTYPE_TABLE, "table"},
277 {RTE_LOGTYPE_PIPELINE, "pipeline"},
278 {RTE_LOGTYPE_MBUF, "mbuf"},
279 {RTE_LOGTYPE_CRYPTODEV, "cryptodev"},
280 {RTE_LOGTYPE_EFD, "efd"},
281 {RTE_LOGTYPE_EVENTDEV, "eventdev"},
282 {RTE_LOGTYPE_USER1, "user1"},
283 {RTE_LOGTYPE_USER2, "user2"},
284 {RTE_LOGTYPE_USER3, "user3"},
285 {RTE_LOGTYPE_USER4, "user4"},
286 {RTE_LOGTYPE_USER5, "user5"},
287 {RTE_LOGTYPE_USER6, "user6"},
288 {RTE_LOGTYPE_USER7, "user7"},
289 {RTE_LOGTYPE_USER8, "user8"}
292 /* Logging should be first initialzer (before drivers and bus) */
293 RTE_INIT_PRIO(rte_log_init, 101);
299 #if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
300 rte_log_set_global_level(RTE_LOG_INFO);
302 rte_log_set_global_level(RTE_LOG_LEVEL);
305 rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
306 sizeof(struct rte_log_dynamic_type));
307 if (rte_logs.dynamic_types == NULL)
310 /* register legacy log types */
311 for (i = 0; i < RTE_DIM(logtype_strings); i++)
312 __rte_log_register(logtype_strings[i].logtype,
313 logtype_strings[i].log_id);
315 rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
319 loglevel_to_string(uint32_t level)
322 case 0: return "disabled";
323 case RTE_LOG_EMERG: return "emerg";
324 case RTE_LOG_ALERT: return "alert";
325 case RTE_LOG_CRIT: return "critical";
326 case RTE_LOG_ERR: return "error";
327 case RTE_LOG_WARNING: return "warning";
328 case RTE_LOG_NOTICE: return "notice";
329 case RTE_LOG_INFO: return "info";
330 case RTE_LOG_DEBUG: return "debug";
331 default: return "unknown";
335 /* dump global level and registered log types */
337 rte_log_dump(FILE *f)
341 fprintf(f, "global log level is %s\n",
342 loglevel_to_string(rte_log_get_global_level()));
344 for (i = 0; i < rte_logs.dynamic_types_len; i++) {
345 if (rte_logs.dynamic_types[i].name == NULL)
347 fprintf(f, "id %zu: %s, level is %s\n",
348 i, rte_logs.dynamic_types[i].name,
349 loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
354 * Generates a log message The message will be sent in the stream
355 * defined by the previous call to rte_openlog_stream().
358 rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
361 FILE *f = rte_logs.file;
363 f = default_log_stream;
366 * Grab the current value of stderr here, rather than
367 * just initializing default_log_stream to stderr. This
368 * ensures that we will always use the current value
369 * of stderr, even if the application closes and
376 if (level > rte_logs.level)
378 if (logtype >= rte_logs.dynamic_types_len)
380 if (level > rte_logs.dynamic_types[logtype].loglevel)
383 /* save loglevel and logtype in a global per-lcore variable */
384 RTE_PER_LCORE(log_cur_msg).loglevel = level;
385 RTE_PER_LCORE(log_cur_msg).logtype = logtype;
387 ret = vfprintf(f, format, ap);
393 * Generates a log message The message will be sent in the stream
394 * defined by the previous call to rte_openlog_stream().
395 * No need to check level here, done by rte_vlog().
398 rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
403 va_start(ap, format);
404 ret = rte_vlog(level, logtype, format, ap);
410 * Called by environment-specific initialization functions.
413 eal_log_set_default(FILE *default_log)
415 default_log_stream = default_log;
417 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
419 "Debug dataplane logs available - lower performance\n");