eal: register log type and pick level from args

[dpdk.git] / lib / librte_eal / common / eal_common_log.c

diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
index 37b2e20..a271926 100644 (file)
--- a/lib/librte_eal/common/eal_common_log.c
+++ b/lib/librte_eal/common/eal_common_log.c
@@ -23,6 +23,10 @@ struct rte_logs rte_logs = {
        .file = NULL,
 };
 
+/** Global list of valid EAL log level options */
+struct rte_eal_opt_loglevel_list opt_loglevel_list =
+       TAILQ_HEAD_INITIALIZER(opt_loglevel_list);
+
 /* Stream to use for logging if rte_logs.file is NULL */
 static FILE *default_log_stream;
 
@@ -186,6 +190,38 @@ rte_log_register(const char *name)
        return ret;
 }
 
+/* Register an extended log type and try to pick its level from EAL options */
+int __rte_experimental
+rte_log_register_type_and_pick_level(const char *name, uint32_t level_def)
+{
+       struct rte_eal_opt_loglevel *opt_ll;
+       uint32_t level = level_def;
+       int type;
+
+       type = rte_log_register(name);
+       if (type < 0)
+               return type;
+
+       TAILQ_FOREACH(opt_ll, &opt_loglevel_list, next) {
+               regex_t r;
+
+               if (opt_ll->level > RTE_LOG_DEBUG)
+                       continue;
+
+               if (regcomp(&r, opt_ll->re_type, 0) != 0)
+                       continue;
+
+               if (regexec(&r, name, 0, NULL, 0) == 0)
+                       level = opt_ll->level;
+
+               regfree(&r);
+       }
+
+       rte_logs.dynamic_types[type].loglevel = level;
+
+       return type;
+}
+
 struct logtype {
        uint32_t log_id;
        const char *logtype;