-/*-
- * 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 <string.h>
#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
-#include <sys/types.h>
#include <stdlib.h>
-#include <unistd.h>
-#include <inttypes.h>
+#include <string.h>
#include <errno.h>
-#include <sys/queue.h>
+#include <regex.h>
+#include <fnmatch.h>
-#include <rte_log.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_launch.h>
-#include <rte_common.h>
-#include <rte_cycles.h>
#include <rte_eal.h>
+#include <rte_log.h>
#include <rte_per_lcore.h>
-#include <rte_lcore.h>
-#include <rte_atomic.h>
-#include <rte_debug.h>
-#include <rte_spinlock.h>
-#include <rte_branch_prediction.h>
-#include <rte_ring.h>
-#include <rte_mempool.h>
#include "eal_private.h"
-#define LOG_ELT_SIZE 2048
-
-#define LOG_HISTORY_MP_NAME "log_history"
-
-STAILQ_HEAD(log_history_list, log_history);
-
-/**
- * The structure of a message log in the log history.
- */
-struct log_history {
- STAILQ_ENTRY(log_history) next;
- unsigned size;
- char buf[0];
-};
-
-static struct rte_mempool *log_history_mp = NULL;
-static unsigned log_history_size = 0;
-static struct log_history_list log_history;
-
/* global log structure */
struct rte_logs rte_logs = {
.type = ~0,
.file = NULL,
};
-static rte_spinlock_t log_dump_lock = RTE_SPINLOCK_INITIALIZER;
-static rte_spinlock_t log_list_lock = RTE_SPINLOCK_INITIALIZER;
+struct rte_eal_opt_loglevel {
+ /** Next list entry */
+ TAILQ_ENTRY(rte_eal_opt_loglevel) next;
+ /** Compiled regular expression obtained from the option */
+ regex_t re_match;
+ /** Globbing pattern option */
+ char *pattern;
+ /** Log level value obtained from the option */
+ uint32_t level;
+};
+
+TAILQ_HEAD(rte_eal_opt_loglevel_list, rte_eal_opt_loglevel);
+
+/** List of valid EAL log level options */
+static 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;
-static int history_enabled = 1;
/**
- * This global structure stores some informations about the message
- * that is currently beeing processed by one lcore
+ * This global structure stores some information about the message
+ * that is currently being processed by one lcore
*/
struct log_cur_msg {
uint32_t loglevel; /**< log level - see rte_log.h */
uint32_t logtype; /**< log type - see rte_log.h */
-} __rte_cache_aligned;
-static struct log_cur_msg log_cur_msg[RTE_MAX_LCORE]; /**< per core log */
+};
+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);
/* default logs */
+/* Change the stream that will be used by logging system */
int
-rte_log_add_in_history(const char *buf, size_t size)
+rte_openlog_stream(FILE *f)
{
- struct log_history *hist_buf = NULL;
- static const unsigned hist_buf_size = LOG_ELT_SIZE - sizeof(*hist_buf);
- void *obj;
-
- if (history_enabled == 0)
- return 0;
+ rte_logs.file = f;
+ return 0;
+}
- rte_spinlock_lock(&log_list_lock);
+FILE *
+rte_log_get_stream(void)
+{
+ FILE *f = rte_logs.file;
- /* get a buffer for adding in history */
- if (log_history_size > RTE_LOG_HISTORY) {
- hist_buf = STAILQ_FIRST(&log_history);
- STAILQ_REMOVE_HEAD(&log_history, next);
- }
- else {
- if (rte_mempool_mc_get(log_history_mp, &obj) < 0)
- obj = NULL;
- hist_buf = obj;
+ if (f == NULL) {
+ /*
+ * Grab the current value of stderr here, rather than
+ * just initializing default_log_stream to stderr. This
+ * ensures that we will always use the current value
+ * of stderr, even if the application closes and
+ * reopens it.
+ */
+ return default_log_stream ? : stderr;
}
+ return f;
+}
- /* no buffer */
- if (hist_buf == NULL) {
- rte_spinlock_unlock(&log_list_lock);
- return -ENOBUFS;
- }
+/* Set global log level */
+void
+rte_log_set_global_level(uint32_t level)
+{
+ rte_logs.level = (uint32_t)level;
+}
- /* not enough room for msg, buffer go back in mempool */
- if (size >= hist_buf_size) {
- rte_mempool_mp_put(log_history_mp, hist_buf);
- rte_spinlock_unlock(&log_list_lock);
- return -ENOBUFS;
- }
+/* Get global log level */
+uint32_t
+rte_log_get_global_level(void)
+{
+ return rte_logs.level;
+}
- /* add in history */
- memcpy(hist_buf->buf, buf, size);
- hist_buf->buf[size] = hist_buf->buf[hist_buf_size-1] = '\0';
- hist_buf->size = size;
- STAILQ_INSERT_TAIL(&log_history, hist_buf, next);
- log_history_size++;
- rte_spinlock_unlock(&log_list_lock);
+int
+rte_log_get_level(uint32_t type)
+{
+ if (type >= rte_logs.dynamic_types_len)
+ return -1;
- return 0;
+ return rte_logs.dynamic_types[type].loglevel;
}
-void
-rte_log_set_history(int enable)
+bool
+rte_log_can_log(uint32_t logtype, uint32_t level)
{
- history_enabled = enable;
+ int log_level;
+
+ if (level > rte_log_get_global_level())
+ return false;
+
+ log_level = rte_log_get_level(logtype);
+ if (log_level < 0)
+ return false;
+
+ if (level > (uint32_t)log_level)
+ return false;
+
+ return true;
}
-/* Change the stream that will be used by logging system */
int
-rte_openlog_stream(FILE *f)
+rte_log_set_level(uint32_t type, uint32_t level)
{
- if (f == NULL)
- rte_logs.file = default_log_stream;
- else
- rte_logs.file = f;
+ 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 global log level */
-void
-rte_set_log_level(uint32_t level)
+/* set log level by regular expression */
+int
+rte_log_set_level_regexp(const char *regex, uint32_t level)
{
- rte_logs.level = (uint32_t)level;
+ regex_t r;
+ size_t i;
+
+ if (level > RTE_LOG_DEBUG)
+ return -1;
+
+ if (regcomp(&r, regex, 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 global log level */
-uint32_t
-rte_get_log_level(void)
+/*
+ * Save the type string and the loglevel for later dynamic
+ * logtypes which may register later.
+ */
+static int rte_log_save_level(int priority,
+ const char *regex, const char *pattern)
{
- return rte_logs.level;
+ struct rte_eal_opt_loglevel *opt_ll = NULL;
+
+ opt_ll = malloc(sizeof(*opt_ll));
+ if (opt_ll == NULL)
+ goto fail;
+
+ opt_ll->level = priority;
+
+ if (regex) {
+ opt_ll->pattern = NULL;
+ if (regcomp(&opt_ll->re_match, regex, 0) != 0)
+ goto fail;
+ } else if (pattern) {
+ opt_ll->pattern = strdup(pattern);
+ if (opt_ll->pattern == NULL)
+ goto fail;
+ } else
+ goto fail;
+
+ TAILQ_INSERT_HEAD(&opt_loglevel_list, opt_ll, next);
+ return 0;
+fail:
+ free(opt_ll);
+ return -1;
}
-/* Set global log type */
-void
-rte_set_log_type(uint32_t type, int enable)
+int rte_log_save_regexp(const char *regex, int tmp)
{
- if (enable)
- rte_logs.type |= type;
- else
- rte_logs.type &= (~type);
+ return rte_log_save_level(tmp, regex, NULL);
}
-/* Get global log type */
-uint32_t
-rte_get_log_type(void)
+/* set log level based on globbing pattern */
+int
+rte_log_set_level_pattern(const char *pattern, uint32_t level)
{
- return rte_logs.type;
+ size_t i;
+
+ if (level > RTE_LOG_DEBUG)
+ return -1;
+
+ for (i = 0; i < rte_logs.dynamic_types_len; i++) {
+ if (rte_logs.dynamic_types[i].name == NULL)
+ continue;
+
+ if (fnmatch(pattern, rte_logs.dynamic_types[i].name, 0) == 0)
+ rte_logs.dynamic_types[i].loglevel = level;
+ }
+
+ return 0;
}
-/* get the current loglevel for the message beeing processed */
+int rte_log_save_pattern(const char *pattern, int priority)
+{
+ return rte_log_save_level(priority, NULL, pattern);
+}
+
+/* get the current loglevel for the message being processed */
int rte_log_cur_msg_loglevel(void)
{
- unsigned lcore_id;
- lcore_id = rte_lcore_id();
- if (lcore_id >= RTE_MAX_LCORE)
- return rte_get_log_level();
- return log_cur_msg[lcore_id].loglevel;
+ 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)
{
- unsigned lcore_id;
- lcore_id = rte_lcore_id();
- if (lcore_id >= RTE_MAX_LCORE)
- return rte_get_log_type();
- return log_cur_msg[lcore_id].logtype;
+ return RTE_PER_LCORE(log_cur_msg).logtype;
}
-/* Dump log history to file */
-void
-rte_log_dump_history(FILE *out)
+static int
+rte_log_lookup(const char *name)
{
- struct log_history_list tmp_log_history;
- struct log_history *hist_buf;
- unsigned i;
+ size_t i;
- /* only one dump at a time */
- rte_spinlock_lock(&log_dump_lock);
+ 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;
+ }
- /* save list, and re-init to allow logging during dump */
- rte_spinlock_lock(&log_list_lock);
- tmp_log_history = log_history;
- STAILQ_INIT(&log_history);
- rte_spinlock_unlock(&log_list_lock);
+ return -1;
+}
- for (i=0; i<RTE_LOG_HISTORY; i++) {
+/* 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;
- /* remove one message from history list */
- hist_buf = STAILQ_FIRST(&tmp_log_history);
+ rte_logs.dynamic_types[id].name = dup_name;
+ rte_logs.dynamic_types[id].loglevel = RTE_LOG_INFO;
- if (hist_buf == NULL)
- break;
+ return id;
+}
- STAILQ_REMOVE_HEAD(&tmp_log_history, next);
+/* 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;
+}
- /* write on stdout */
- if (fwrite(hist_buf->buf, hist_buf->size, 1, out) == 0) {
- rte_mempool_mp_put(log_history_mp, hist_buf);
- break;
+/* Register an extended log type and try to pick its level from EAL options */
+int
+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) {
+ if (opt_ll->level > RTE_LOG_DEBUG)
+ continue;
+
+ if (opt_ll->pattern) {
+ if (fnmatch(opt_ll->pattern, name, 0) == 0)
+ level = opt_ll->level;
+ } else {
+ if (regexec(&opt_ll->re_match, name, 0, NULL, 0) == 0)
+ level = opt_ll->level;
}
+ }
+
+ 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, LOG)
+{
+ 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;
+}
- /* put back message structure in pool */
- rte_mempool_mp_put(log_history_mp, hist_buf);
+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";
}
- fflush(out);
+}
+
+/* dump global level and registered log types */
+void
+rte_log_dump(FILE *f)
+{
+ size_t i;
- rte_spinlock_unlock(&log_dump_lock);
+ 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));
+ }
}
/*
int
rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
{
+ FILE *f = rte_log_get_stream();
int ret;
- FILE *f = rte_logs.file;
- unsigned lcore_id;
- if ((level > rte_logs.level) || !(logtype & rte_logs.type))
+ if (logtype >= rte_logs.dynamic_types_len)
+ return -1;
+ if (!rte_log_can_log(logtype, level))
return 0;
/* save loglevel and logtype in a global per-lcore variable */
- lcore_id = rte_lcore_id();
- if (lcore_id < RTE_MAX_LCORE) {
- log_cur_msg[lcore_id].loglevel = level;
- log_cur_msg[lcore_id].logtype = logtype;
- }
+ RTE_PER_LCORE(log_cur_msg).loglevel = level;
+ RTE_PER_LCORE(log_cur_msg).logtype = logtype;
ret = vfprintf(f, format, ap);
fflush(f);
}
/*
- * called by environment-specific log init function to initialize log
- * history
+ * Called by environment-specific initialization functions.
*/
-int
-rte_eal_common_log_init(FILE *default_log)
+void
+eal_log_set_default(FILE *default_log)
{
- STAILQ_INIT(&log_history);
-
- /* reserve RTE_LOG_HISTORY*2 elements, so we can dump and
- * keep logging during this time */
- log_history_mp = rte_mempool_create(LOG_HISTORY_MP_NAME, RTE_LOG_HISTORY*2,
- LOG_ELT_SIZE, 0, 0,
- NULL, NULL,
- NULL, NULL,
- SOCKET_ID_ANY, 0);
-
- if ((log_history_mp == NULL) &&
- ((log_history_mp = rte_mempool_lookup(LOG_HISTORY_MP_NAME)) == NULL)){
- RTE_LOG(ERR, EAL, "%s(): cannot create log_history mempool\n",
- __func__);
- return -1;
- }
-
default_log_stream = default_log;
- rte_openlog_stream(default_log);
- return 0;
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ RTE_LOG(NOTICE, EAL,
+ "Debug dataplane logs available - lower performance\n");
+#endif
}
git.droids-corp.org / dpdk.git / blobdiff