.. code-block:: c
- #define RTE_LOGTYPE_TESTAPP1 RTE_LOGTYPE_USER1
- #define RTE_LOGTYPE_TESTAPP2 RTE_LOGTYPE_USER2
+ /* register log types for this application */
+ int my_logtype1 = rte_log_register("myapp.log1");
+ int my_logtype2 = rte_log_register("myapp.log2");
- /* enable these logs type */
- rte_set_log_type(RTE_LOGTYPE_TESTAPP1, 1);
- rte_set_log_type(RTE_LOGTYPE_TESTAPP2, 1);
+ /* set global log level to INFO */
+ rte_log_set_global_level(RTE_LOG_INFO);
+
+ /* only display messages higher than NOTICE for log2 (default
+ * is DEBUG) */
+ rte_log_set_level(my_logtype2, RTE_LOG_NOTICE);
+
+ /* enable all PMD logs (whose identifier string starts with "pmd") */
+ rte_log_set_level_regexp("pmd.*", RTE_LOG_DEBUG);
/* log in debug level */
- rte_set_log_level(RTE_LOG_DEBUG);
- RTE_LOG(DEBUG, TESTAPP1, "this is is a debug level message\n");
- RTE_LOG(INFO, TESTAPP1, "this is is a info level message\n");
- RTE_LOG(WARNING, TESTAPP1, "this is is a warning level message\n");
+ rte_log_set_global_level(RTE_LOG_DEBUG);
+ RTE_LOG(DEBUG, my_logtype1, "this is is a debug level message\n");
+ RTE_LOG(INFO, my_logtype1, "this is is a info level message\n");
+ RTE_LOG(WARNING, my_logtype1, "this is is a warning level message\n");
+ RTE_LOG(WARNING, my_logtype2, "this is is a debug level message (not displayed)\n");
/* log in info level */
- rte_set_log_level(RTE_LOG_INFO);
- RTE_LOG(DEBUG, TESTAPP2, "debug level message (not displayed)\n");
+ rte_log_set_global_level(RTE_LOG_INFO);
+ RTE_LOG(DEBUG, my_logtype1, "debug level message (not displayed)\n");
Branch Prediction
~~~~~~~~~~~~~~~~~
#include <stdint.h>
#include <stdarg.h>
#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <rte_eal.h>
#include <rte_log.h>
#include <rte_per_lcore.h>
uint32_t logtype; /**< log type - see rte_log.h */
};
+struct rte_log_dynamic_type {
+ const char *name;
+ uint32_t loglevel;
+};
+
/* per core log */
static RTE_DEFINE_PER_LCORE(struct log_cur_msg, log_cur_msg);
void
rte_set_log_type(uint32_t type, int enable)
{
+ if (type < RTE_LOGTYPE_FIRST_EXT_ID) {
+ if (enable)
+ rte_logs.type |= type;
+ else
+ rte_logs.type &= ~type;
+ }
+
if (enable)
- rte_logs.type |= type;
+ rte_log_set_level(type, 0);
else
- rte_logs.type &= (~type);
+ rte_log_set_level(type, RTE_LOG_DEBUG);
}
/* Get global log type */
return rte_logs.type;
}
+int
+rte_log_set_level(uint32_t type, uint32_t level)
+{
+ if (type >= rte_logs.dynamic_types_len)
+ return -1;
+ if (level > RTE_LOG_DEBUG)
+ return -1;
+
+ rte_logs.dynamic_types[type].loglevel = level;
+
+ return 0;
+}
+
/* get the current loglevel for the message beeing processed */
int rte_log_cur_msg_loglevel(void)
{
return RTE_PER_LCORE(log_cur_msg).logtype;
}
+static int
+rte_log_lookup(const char *name)
+{
+ size_t i;
+
+ for (i = 0; i < rte_logs.dynamic_types_len; i++) {
+ if (rte_logs.dynamic_types[i].name == NULL)
+ continue;
+ if (strcmp(name, rte_logs.dynamic_types[i].name) == 0)
+ return i;
+ }
+
+ return -1;
+}
+
+/* register an extended log type, assuming table is large enough, and id
+ * is not yet registered.
+ */
+static int
+__rte_log_register(const char *name, int id)
+{
+ char *dup_name = strdup(name);
+
+ if (dup_name == NULL)
+ return -ENOMEM;
+
+ rte_logs.dynamic_types[id].name = dup_name;
+ rte_logs.dynamic_types[id].loglevel = RTE_LOG_DEBUG;
+
+ return id;
+}
+
+/* register an extended log type */
+int
+rte_log_register(const char *name)
+{
+ struct rte_log_dynamic_type *new_dynamic_types;
+ int id, ret;
+
+ id = rte_log_lookup(name);
+ if (id >= 0)
+ return id;
+
+ new_dynamic_types = realloc(rte_logs.dynamic_types,
+ sizeof(struct rte_log_dynamic_type) *
+ (rte_logs.dynamic_types_len + 1));
+ if (new_dynamic_types == NULL)
+ return -ENOMEM;
+ rte_logs.dynamic_types = new_dynamic_types;
+
+ ret = __rte_log_register(name, rte_logs.dynamic_types_len);
+ if (ret < 0)
+ return ret;
+
+ rte_logs.dynamic_types_len++;
+
+ return ret;
+}
+
+RTE_INIT(rte_log_init);
+static void
+rte_log_init(void)
+{
+ rte_logs.dynamic_types = calloc(RTE_LOGTYPE_FIRST_EXT_ID,
+ sizeof(struct rte_log_dynamic_type));
+ if (rte_logs.dynamic_types == NULL)
+ return;
+
+ /* register legacy log types, keep sync'd with RTE_LOGTYPE_* */
+ __rte_log_register("eal", 0);
+ __rte_log_register("malloc", 1);
+ __rte_log_register("ring", 2);
+ __rte_log_register("mempool", 3);
+ __rte_log_register("timer", 4);
+ __rte_log_register("pmd", 5);
+ __rte_log_register("hash", 6);
+ __rte_log_register("lpm", 7);
+ __rte_log_register("kni", 8);
+ __rte_log_register("acl", 9);
+ __rte_log_register("power", 10);
+ __rte_log_register("meter", 11);
+ __rte_log_register("sched", 12);
+ __rte_log_register("port", 13);
+ __rte_log_register("table", 14);
+ __rte_log_register("pipeline", 15);
+ __rte_log_register("mbuf", 16);
+ __rte_log_register("cryptodev", 17);
+ __rte_log_register("user1", 24);
+ __rte_log_register("user2", 25);
+ __rte_log_register("user3", 26);
+ __rte_log_register("user4", 27);
+ __rte_log_register("user5", 28);
+ __rte_log_register("user6", 29);
+ __rte_log_register("user7", 30);
+ __rte_log_register("user8", 31);
+
+ rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
+}
+
/*
* Generates a log message The message will be sent in the stream
* defined by the previous call to rte_openlog_stream().
}
}
- if ((level > rte_logs.level) || !(logtype & rte_logs.type))
+ if (level > rte_logs.level)
+ return 0;
+ if (logtype >= rte_logs.dynamic_types_len)
+ return -1;
+ if (level > rte_logs.dynamic_types[logtype].loglevel)
return 0;
/* save loglevel and logtype in a global per-lcore variable */
#include <stdio.h>
#include <stdarg.h>
+struct rte_log_dynamic_type;
+
/** The rte_log structure. */
struct rte_logs {
uint32_t type; /**< Bitfield with enabled logs. */
uint32_t level; /**< Log level. */
FILE *file; /**< Output file set by rte_openlog_stream, or NULL. */
+ size_t dynamic_types_len;
+ struct rte_log_dynamic_type *dynamic_types;
};
/** Global log informations */
extern struct rte_logs rte_logs;
-/* SDK log type */
+/* SDK log type, keep sync'd with rte_log_init() */
#define RTE_LOGTYPE_EAL 0x00000001 /**< Log related to eal. */
#define RTE_LOGTYPE_MALLOC 0x00000002 /**< Log related to malloc. */
#define RTE_LOGTYPE_RING 0x00000004 /**< Log related to ring. */
#define RTE_LOGTYPE_USER7 0x40000000 /**< User-defined log type 7. */
#define RTE_LOGTYPE_USER8 0x80000000 /**< User-defined log type 8. */
+/** First identifier for extended logs */
+#define RTE_LOGTYPE_FIRST_EXT_ID 32
+
/* Can't use 0, as it gives compiler warnings */
#define RTE_LOG_EMERG 1U /**< System is unusable. */
#define RTE_LOG_ALERT 2U /**< Action must be taken immediately. */
*/
uint32_t rte_get_log_type(void);
+/**
+ * Set the log level for a given type.
+ *
+ * @param logtype
+ * The log type identifier.
+ * @param level
+ * The level to be set.
+ * @return
+ * 0 on success, a negative value if logtype or level is invalid.
+ */
+int rte_log_set_level(uint32_t logtype, uint32_t level);
+
/**
* Get the current loglevel for the message being processed.
*
*/
int rte_log_cur_msg_logtype(void);
+/**
+ * Register a dynamic log type
+ *
+ * If a log is already registered with the same type, the returned value
+ * is the same than the previous one.
+ *
+ * @param name
+ * The string identifying the log type.
+ * @return
+ * - >0: success, the returned value is the log type identifier.
+ * - (-ENONEM): cannot allocate memory.
+ */
+int rte_log_register(const char *name);
+
/**
* Generates a log message.
*
git.droids-corp.org / dpdk.git / commitdiff