From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Hemminger Subject: [PATCH v2 1/3] eal: allow symbolic log levels Date: Fri, 23 Feb 2018 13:17:50 -0800 Message-ID: <20180223211752.28651-2-stephen@networkplumber.org> References: <20180223205648.18690-1-stephen@networkplumber.org> <20180223211752.28651-1-stephen@networkplumber.org> Cc: Stephen Hemminger To: dev@dpdk.org Return-path: Received: from mail-pg0-f65.google.com (mail-pg0-f65.google.com [74.125.83.65]) by dpdk.org (Postfix) with ESMTP id 30D415F3C for ; Fri, 23 Feb 2018 22:18:05 +0100 (CET) Received: by mail-pg0-f65.google.com with SMTP id l24so3824777pgc.5 for ; Fri, 23 Feb 2018 13:18:05 -0800 (PST) In-Reply-To: <20180223211752.28651-1-stephen@networkplumber.org> List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Much easeier to remember names than numbers. Allows --log-level=pmd.net.ixgbe.*,debug Signed-off-by: Stephen Hemminger --- lib/librte_eal/common/eal_common_options.c | 66 ++++++++++++++++++++++-------- 1 file changed, 50 insertions(+), 16 deletions(-) diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c index 9f2f8d25afd9..19069638ea05 100644 --- a/lib/librte_eal/common/eal_common_options.c +++ b/lib/librte_eal/common/eal_common_options.c @@ -911,10 +911,52 @@ eal_parse_syslog(const char *facility, struct internal_config *conf) } static int -eal_parse_log_level(const char *arg) +eal_parse_log_priority(const char *level) { - char *end, *str, *type, *level; + static const char *levels[] = { + [RTE_LOG_EMERG] = "emergency", + [RTE_LOG_ALERT] = "alert", + [RTE_LOG_CRIT] = "critical", + [RTE_LOG_ERR] = "error", + [RTE_LOG_WARNING] = "warning", + [RTE_LOG_NOTICE] = "notice", + [RTE_LOG_INFO] = "info", + [RTE_LOG_DEBUG] = "debug", + }; + size_t len = strlen(level); unsigned long tmp; + char *end; + unsigned int i; + + if (len == 0) + return -1; + + /* look for named values, skip 0 which is not a valid level */ + for (i = 1; i < sizeof(levels) / sizeof(levels[0]); i++) { + if (strncmp(levels[i], level, len) == 0) + return i; + } + + /* not a string, maybe it is numeric */ + errno = 0; + tmp = strtoul(level, &end, 0); + + /* check for errors */ + if (errno != 0 || end == NULL || *end != '\0') + return -1; + + /* log_level is a uint32_t */ + if (tmp >= UINT32_MAX) + return -1; + + return tmp; +} + +static int +eal_parse_log_level(const char *arg) +{ + char *str, *type, *level; + int priority; str = strdup(arg); if (str == NULL) @@ -928,23 +970,15 @@ eal_parse_log_level(const char *arg) level = strsep(&str, ","); } - errno = 0; - tmp = strtoul(level, &end, 0); - - /* check for errors */ - if ((errno != 0) || (level[0] == '\0') || - end == NULL || (*end != '\0')) - goto fail; - - /* log_level is a uint32_t */ - if (tmp >= UINT32_MAX) + priority = eal_parse_log_priority(level); + if (priority < 0) goto fail; if (type == NULL) { - rte_log_set_global_level(tmp); - } else if (rte_log_set_level_regexp(type, tmp) < 0) { - printf("cannot set log level %s,%lu\n", - type, tmp); + rte_log_set_global_level(priority); + } else if (rte_log_set_level_regexp(type, priority) < 0) { + fprintf(stderr, "cannot set log level %s,%d\n", + type, priority); goto fail; } -- 2.16.1