X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_common_log.c;h=1ae8de708058acd4133c568f6aebba0f37e7bc76;hb=87b1faa0e0de4c2612bb36cd271354410b4d6689;hp=10d1247db60fa57fe9c5f0c52867ab55d7227fe2;hpb=b6df9fc8715f9a925136006b18fdd65f9c621757;p=dpdk.git diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c index 10d1247db6..1ae8de7080 100644 --- a/lib/librte_eal/common/eal_common_log.c +++ b/lib/librte_eal/common/eal_common_log.c @@ -1,35 +1,34 @@ /*- * BSD LICENSE - * - * Copyright(c) 2010-2013 Intel Corporation. All rights reserved. + * + * 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 + * + * 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 + * + * * 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 + * * 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 + * * 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 + * + * 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 @@ -49,7 +48,6 @@ #include #include #include -#include #include #include #include @@ -103,66 +101,6 @@ struct log_cur_msg { } __rte_cache_aligned; static struct log_cur_msg log_cur_msg[RTE_MAX_LCORE]; /**< per core log */ -/* early logs */ - -/* - * early log function, used during boot when mempool (hence log - * history) is not available - */ -static ssize_t -early_log_write(__attribute__((unused)) void *c, const char *buf, size_t size) -{ - ssize_t ret; - ret = fwrite(buf, size, 1, stdout); - fflush(stdout); - if (ret == 0) - return -1; - return ret; -} - -static ssize_t -early_log_read(__attribute__((unused)) void *c, - __attribute__((unused)) char *buf, - __attribute__((unused)) size_t size) -{ - return 0; -} - -/* - * this is needed because cookies_io_functions_t has a different - * prototype between newlib and glibc - */ -#ifdef RTE_EXEC_ENV_LINUXAPP -static int -early_log_seek(__attribute__((unused)) void *c, - __attribute__((unused)) off64_t *offset, - __attribute__((unused)) int whence) -{ - return -1; -} -#else -static int -early_log_seek(__attribute__((unused)) void *c, - __attribute__((unused)) _off_t *offset, - __attribute__((unused)) int whence) -{ - return -1; -} -#endif - -static int -early_log_close(__attribute__((unused)) void *c) -{ - return 0; -} - -static cookie_io_functions_t early_log_func = { - .read = early_log_read, - .write = early_log_write, - .seek = early_log_seek, - .close = early_log_close -}; -static FILE *early_log_stream; /* default logs */ @@ -181,7 +119,10 @@ rte_log_add_in_history(const char *buf, size_t size) /* 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); + if (hist_buf) { + STAILQ_REMOVE_HEAD(&log_history, next); + log_history_size--; + } } else { if (rte_mempool_mc_get(log_history_mp, &obj) < 0) @@ -237,6 +178,13 @@ 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) @@ -247,11 +195,20 @@ rte_set_log_type(uint32_t type, int enable) 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; } @@ -260,12 +217,14 @@ 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 on console */ +/* Dump log history to file */ void -rte_log_dump_history(void) +rte_log_dump_history(FILE *out) { struct log_history_list tmp_log_history; struct log_history *hist_buf; @@ -278,6 +237,7 @@ rte_log_dump_history(void) 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; ibuf, hist_buf->size, 1, stdout) == 0) { + if (fwrite(hist_buf->buf, hist_buf->size, 1, out) == 0) { rte_mempool_mp_put(log_history_mp, hist_buf); break; } @@ -299,7 +259,7 @@ rte_log_dump_history(void) /* put back message structure in pool */ rte_mempool_mp_put(log_history_mp, hist_buf); } - fflush(stdout); + fflush(out); rte_spinlock_unlock(&log_dump_lock); } @@ -309,18 +269,21 @@ rte_log_dump_history(void) * defined by the previous call to rte_openlog_stream(). */ int -rte_vlog(__attribute__((unused)) uint32_t level, - __attribute__((unused)) uint32_t logtype, - const char *format, va_list ap) +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(); - log_cur_msg[lcore_id].loglevel = level; - log_cur_msg[lcore_id].logtype = logtype; + 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); @@ -330,6 +293,7 @@ rte_vlog(__attribute__((unused)) uint32_t level, /* * 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, ...) @@ -343,22 +307,6 @@ rte_log(uint32_t level, uint32_t logtype, const char *format, ...) return ret; } -/* - * init the log library, called by rte_eal_init() to enable early - * logs - */ -int -rte_eal_log_early_init(void) -{ - early_log_stream = fopencookie(NULL, "w+", early_log_func); - if (early_log_stream == NULL) { - printf("Cannot configure early_log_stream\n"); - return -1; - } - rte_openlog_stream(early_log_stream); - return 0; -} - /* * called by environment-specific log init function to initialize log * history @@ -375,8 +323,8 @@ rte_eal_common_log_init(FILE *default_log) NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0); - - if ((log_history_mp == NULL) && + + 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__); @@ -387,4 +335,3 @@ rte_eal_common_log_init(FILE *default_log) rte_openlog_stream(default_log); return 0; } -