diff options
Diffstat (limited to 'src/dpdk22/lib/librte_eal/common/eal_common_log.c')
| -rw-r--r-- | src/dpdk22/lib/librte_eal/common/eal_common_log.c | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/src/dpdk22/lib/librte_eal/common/eal_common_log.c b/src/dpdk22/lib/librte_eal/common/eal_common_log.c deleted file mode 100644 index 1ae8de70..00000000 --- a/src/dpdk22/lib/librte_eal/common/eal_common_log.c +++ /dev/null @@ -1,337 +0,0 @@ -/*- - * 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. - */ - -#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 <errno.h> -#include <sys/queue.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_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, - .level = RTE_LOG_DEBUG, - .file = NULL, -}; - -static rte_spinlock_t log_dump_lock = RTE_SPINLOCK_INITIALIZER; -static rte_spinlock_t log_list_lock = RTE_SPINLOCK_INITIALIZER; -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 - */ -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 */ - - -/* default logs */ - -int -rte_log_add_in_history(const char *buf, size_t size) -{ - 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_spinlock_lock(&log_list_lock); - - /* get a buffer for adding in history */ - if (log_history_size > RTE_LOG_HISTORY) { - hist_buf = STAILQ_FIRST(&log_history); - if (hist_buf) { - STAILQ_REMOVE_HEAD(&log_history, next); - log_history_size--; - } - } - else { - if (rte_mempool_mc_get(log_history_mp, &obj) < 0) - obj = NULL; - hist_buf = obj; - } - - /* no buffer */ - if (hist_buf == NULL) { - rte_spinlock_unlock(&log_list_lock); - return -ENOBUFS; - } - - /* 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; - } - - /* 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); - - return 0; -} - -void -rte_log_set_history(int enable) -{ - history_enabled = enable; -} - -/* Change the stream that will be used by logging system */ -int -rte_openlog_stream(FILE *f) -{ - if (f == NULL) - rte_logs.file = default_log_stream; - else - rte_logs.file = f; - return 0; -} - -/* Set global log level */ -void -rte_set_log_level(uint32_t level) -{ - rte_logs.level = (uint32_t)level; -} - -/* Get global log level */ -uint32_t -rte_get_log_level(void) -{ - return rte_logs.level; -} - -/* Set global log type */ -void -rte_set_log_type(uint32_t type, int enable) -{ - if (enable) - rte_logs.type |= type; - else - rte_logs.type &= (~type); -} - -/* Get global log type */ -uint32_t -rte_get_log_type(void) -{ - return rte_logs.type; -} - -/* get the current loglevel for the message beeing 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; -} - -/* get the current logtype for the message beeing 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; -} - -/* Dump log history to file */ -void -rte_log_dump_history(FILE *out) -{ - struct log_history_list tmp_log_history; - struct log_history *hist_buf; - unsigned i; - - /* only one dump at a time */ - rte_spinlock_lock(&log_dump_lock); - - /* 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); - log_history_size = 0; - rte_spinlock_unlock(&log_list_lock); - - for (i=0; i<RTE_LOG_HISTORY; i++) { - - /* remove one message from history list */ - hist_buf = STAILQ_FIRST(&tmp_log_history); - - if (hist_buf == NULL) - break; - - STAILQ_REMOVE_HEAD(&tmp_log_history, next); - - /* write on stdout */ - if (fwrite(hist_buf->buf, hist_buf->size, 1, out) == 0) { - rte_mempool_mp_put(log_history_mp, hist_buf); - break; - } - - /* put back message structure in pool */ - rte_mempool_mp_put(log_history_mp, hist_buf); - } - fflush(out); - - rte_spinlock_unlock(&log_dump_lock); -} - -/* - * Generates a log message The message will be sent in the stream - * defined by the previous call to rte_openlog_stream(). - */ -int -rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap) -{ - int ret; - FILE *f = rte_logs.file; - unsigned lcore_id; - - if ((level > rte_logs.level) || !(logtype & rte_logs.type)) - 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; - } - - ret = vfprintf(f, format, ap); - fflush(f); - return ret; -} - -/* - * Generates a log message The message will be sent in the stream - * defined by the previous call to rte_openlog_stream(). - * No need to check level here, done by rte_vlog(). - */ -int -rte_log(uint32_t level, uint32_t logtype, const char *format, ...) -{ - va_list ap; - int ret; - - va_start(ap, format); - ret = rte_vlog(level, logtype, format, ap); - va_end(ap); - return ret; -} - -/* - * called by environment-specific log init function to initialize log - * history - */ -int -rte_eal_common_log_init(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; -} |