X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_log.c;h=a27192620d9eff8ddfda6d58ad4d1141813fe992;hb=2a04139f66b4;hp=e45d3269167632b40bcb953d050a4507983ab56a;hpb=844bd77c03b7b00aef8d9672157723f8f6d8c16d;p=dpdk.git

diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
index e45d326916..a27192620d 100644
--- a/lib/librte_eal/common/eal_common_log.c
+++ b/lib/librte_eal/common/eal_common_log.c
@@ -1,41 +1,16 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- *   All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
 #include <stdint.h>
 #include <stdarg.h>
 #include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <regex.h>
 
+#include <rte_eal.h>
 #include <rte_log.h>
 #include <rte_per_lcore.h>
 
@@ -48,6 +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;
 
@@ -60,6 +39,11 @@ struct log_cur_msg {
 	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);
 
@@ -75,47 +59,263 @@ rte_openlog_stream(FILE *f)
 
 /* Set global log level */
 void
-rte_set_log_level(uint32_t level)
+rte_log_set_global_level(uint32_t level)
 {
 	rte_logs.level = (uint32_t)level;
 }
 
 /* Get global log level */
 uint32_t
-rte_get_log_level(void)
+rte_log_get_global_level(void)
 {
 	return rte_logs.level;
 }
 
-/* Set global log type */
-void
-rte_set_log_type(uint32_t type, int enable)
+int
+rte_log_get_level(uint32_t type)
 {
-	if (enable)
-		rte_logs.type |= type;
-	else
-		rte_logs.type &= (~type);
+	if (type >= rte_logs.dynamic_types_len)
+		return -1;
+
+	return rte_logs.dynamic_types[type].loglevel;
 }
 
-/* Get global log type */
-uint32_t
-rte_get_log_type(void)
+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;
+}
+
+/* set level */
+int
+rte_log_set_level_regexp(const char *pattern, uint32_t level)
 {
-	return rte_logs.type;
+	regex_t r;
+	size_t i;
+
+	if (level > RTE_LOG_DEBUG)
+		return -1;
+
+	if (regcomp(&r, pattern, 0) != 0)
+		return -1;
+
+	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
+		if (rte_logs.dynamic_types[i].name == NULL)
+			continue;
+		if (regexec(&r, rte_logs.dynamic_types[i].name, 0,
+				NULL, 0) == 0)
+			rte_logs.dynamic_types[i].loglevel = level;
+	}
+
+	regfree(&r);
+
+	return 0;
 }
 
-/* get the current loglevel for the message beeing processed */
+/* get the current loglevel for the message being processed */
 int rte_log_cur_msg_loglevel(void)
 {
 	return RTE_PER_LCORE(log_cur_msg).loglevel;
 }
 
-/* get the current logtype for the message beeing processed */
+/* get the current logtype for the message being processed */
 int rte_log_cur_msg_logtype(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_INFO;
+
+	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;
+}
+
+/* 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;
+};
+
+static const struct logtype logtype_strings[] = {
+	{RTE_LOGTYPE_EAL,        "lib.eal"},
+	{RTE_LOGTYPE_MALLOC,     "lib.malloc"},
+	{RTE_LOGTYPE_RING,       "lib.ring"},
+	{RTE_LOGTYPE_MEMPOOL,    "lib.mempool"},
+	{RTE_LOGTYPE_TIMER,      "lib.timer"},
+	{RTE_LOGTYPE_PMD,        "pmd"},
+	{RTE_LOGTYPE_HASH,       "lib.hash"},
+	{RTE_LOGTYPE_LPM,        "lib.lpm"},
+	{RTE_LOGTYPE_KNI,        "lib.kni"},
+	{RTE_LOGTYPE_ACL,        "lib.acl"},
+	{RTE_LOGTYPE_POWER,      "lib.power"},
+	{RTE_LOGTYPE_METER,      "lib.meter"},
+	{RTE_LOGTYPE_SCHED,      "lib.sched"},
+	{RTE_LOGTYPE_PORT,       "lib.port"},
+	{RTE_LOGTYPE_TABLE,      "lib.table"},
+	{RTE_LOGTYPE_PIPELINE,   "lib.pipeline"},
+	{RTE_LOGTYPE_MBUF,       "lib.mbuf"},
+	{RTE_LOGTYPE_CRYPTODEV,  "lib.cryptodev"},
+	{RTE_LOGTYPE_EFD,        "lib.efd"},
+	{RTE_LOGTYPE_EVENTDEV,   "lib.eventdev"},
+	{RTE_LOGTYPE_GSO,        "lib.gso"},
+	{RTE_LOGTYPE_USER1,      "user1"},
+	{RTE_LOGTYPE_USER2,      "user2"},
+	{RTE_LOGTYPE_USER3,      "user3"},
+	{RTE_LOGTYPE_USER4,      "user4"},
+	{RTE_LOGTYPE_USER5,      "user5"},
+	{RTE_LOGTYPE_USER6,      "user6"},
+	{RTE_LOGTYPE_USER7,      "user7"},
+	{RTE_LOGTYPE_USER8,      "user8"}
+};
+
+/* Logging should be first initializer (before drivers and bus) */
+RTE_INIT_PRIO(rte_log_init, 101);
+static void
+rte_log_init(void)
+{
+	uint32_t i;
+
+	rte_log_set_global_level(RTE_LOG_DEBUG);
+
+	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 */
+	for (i = 0; i < RTE_DIM(logtype_strings); i++)
+		__rte_log_register(logtype_strings[i].logtype,
+				logtype_strings[i].log_id);
+
+	rte_logs.dynamic_types_len = RTE_LOGTYPE_FIRST_EXT_ID;
+}
+
+static const char *
+loglevel_to_string(uint32_t level)
+{
+	switch (level) {
+	case 0: return "disabled";
+	case RTE_LOG_EMERG: return "emerg";
+	case RTE_LOG_ALERT: return "alert";
+	case RTE_LOG_CRIT: return "critical";
+	case RTE_LOG_ERR: return "error";
+	case RTE_LOG_WARNING: return "warning";
+	case RTE_LOG_NOTICE: return "notice";
+	case RTE_LOG_INFO: return "info";
+	case RTE_LOG_DEBUG: return "debug";
+	default: return "unknown";
+	}
+}
+
+/* dump global level and registered log types */
+void
+rte_log_dump(FILE *f)
+{
+	size_t i;
+
+	fprintf(f, "global log level is %s\n",
+		loglevel_to_string(rte_log_get_global_level()));
+
+	for (i = 0; i < rte_logs.dynamic_types_len; i++) {
+		if (rte_logs.dynamic_types[i].name == NULL)
+			continue;
+		fprintf(f, "id %zu: %s, level is %s\n",
+			i, rte_logs.dynamic_types[i].name,
+			loglevel_to_string(rte_logs.dynamic_types[i].loglevel));
+	}
+}
+
 /*
  * Generates a log message The message will be sent in the stream
  * defined by the previous call to rte_openlog_stream().
@@ -139,7 +339,11 @@ rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
 		}
 	}
 
-	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 */
@@ -176,7 +380,8 @@ eal_log_set_default(FILE *default_log)
 {
 	default_log_stream = default_log;
 
-#if RTE_LOG_LEVEL >= RTE_LOG_DEBUG
-	RTE_LOG(NOTICE, EAL, "Debug logs available - lower performance\n");
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+	RTE_LOG(NOTICE, EAL,
+		"Debug dataplane logs available - lower performance\n");
 #endif
 }