From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id ADA40A0A02; Wed, 24 Mar 2021 11:32:54 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 32F7F140D17; Wed, 24 Mar 2021 11:32:49 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [63.128.21.124]) by mails.dpdk.org (Postfix) with ESMTP id 2B532140D3A for ; Wed, 24 Mar 2021 11:32:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1616581967; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=f+FBiYz0hDTVyz8LsCAqKpOItWXe+tpQkW59tBbkjv8=; b=cOKsKaDYx8DyvCvyar7MsISaRzqFX3YzH6EH/XvZi7CxqrUcK+XUHNWGonXOHipNC/hqGK p9JaqcCCwZ6Ev4WtbvNQMnfyz21cBh4Z5sxAOuINJcvx/fHHl25f5+2Wg6o8vhGgCuKOzV koCyT6+3bYEODS8MC3wGvvX8zKotcXI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-558-D9it30clOWaoMWQNsowkbA-1; Wed, 24 Mar 2021 06:32:43 -0400 X-MC-Unique: D9it30clOWaoMWQNsowkbA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id C283F180FCA2; Wed, 24 Mar 2021 10:32:42 +0000 (UTC) Received: from dmarchan.remote.csb (unknown [10.40.193.233]) by smtp.corp.redhat.com (Postfix) with ESMTP id EC88353B2F; Wed, 24 Mar 2021 10:32:40 +0000 (UTC) From: David Marchand To: dev@dpdk.org Cc: arybchenko@solarflare.com, l.wojciechow@partner.samsung.com, Ilya Maximets Date: Wed, 24 Mar 2021 11:32:12 +0100 Message-Id: <20210324103213.29922-3-david.marchand@redhat.com> In-Reply-To: <20210324103213.29922-1-david.marchand@redhat.com> References: <20200626114751.22523-1-david.marchand@redhat.com> <20210324103213.29922-1-david.marchand@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=david.marchand@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Subject: [dpdk-dev] [PATCH v2 2/3] log: track log level changes X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Add a log message when registering log types and changing log levels. __rte_log_register previous handled both legacy and dynamic logtypes. To simplify the code, __rte_log_register is reworked to only handle dynamic logtypes and takes a log level. Example: $ DPDK_TEST=logs_autotest ./build/app/test/dpdk-test --no-huge -m 512 \ --log-level=lib.eal:debug ... RTE>>logs_autotest == dynamic log types EAL: logtype1 logtype level changed from disabled to info EAL: logtype2 logtype level changed from disabled to info EAL: logtype1 logtype level changed from info to error EAL: logtype3 logtype level changed from error to emerg EAL: logtype2 logtype level changed from info to emerg EAL: logtype3 logtype level changed from emerg to debug EAL: logtype1 logtype level changed from error to debug EAL: logtype2 logtype level changed from emerg to debug error message critical message critical message error message == static log types TESTAPP1: error message TESTAPP1: critical message TESTAPP2: critical message TESTAPP1: error message Test OK Suggested-by: Ilya Maximets Signed-off-by: David Marchand Acked-by: Andrew Rybchenko Acked-by: Lukasz Wojciechowski --- Changes since v1: - updated commitlog, --- lib/librte_eal/common/eal_common_log.c | 113 +++++++++++++------------ 1 file changed, 58 insertions(+), 55 deletions(-) diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c index c5554badb2..b64a1b9381 100644 --- a/lib/librte_eal/common/eal_common_log.c +++ b/lib/librte_eal/common/eal_common_log.c @@ -135,6 +135,38 @@ rte_log_can_log(uint32_t logtype, uint32_t level) return true; } +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"; + } +} + +static void +logtype_set_level(uint32_t type, uint32_t level) +{ + uint32_t current = rte_logs.dynamic_types[type].loglevel; + + if (current != level) { + rte_logs.dynamic_types[type].loglevel = level; + RTE_LOG(DEBUG, EAL, "%s logtype level changed from %s to %s\n", + rte_logs.dynamic_types[type].name == NULL ? + "" : rte_logs.dynamic_types[type].name, + loglevel_to_string(current), + loglevel_to_string(level)); + } +} + int rte_log_set_level(uint32_t type, uint32_t level) { @@ -143,7 +175,7 @@ rte_log_set_level(uint32_t type, uint32_t level) if (level > RTE_LOG_DEBUG) return -1; - rte_logs.dynamic_types[type].loglevel = level; + logtype_set_level(type, level); return 0; } @@ -166,7 +198,7 @@ rte_log_set_level_regexp(const char *regex, uint32_t level) continue; if (regexec(&r, rte_logs.dynamic_types[i].name, 0, NULL, 0) == 0) - rte_logs.dynamic_types[i].loglevel = level; + logtype_set_level(i, level); } regfree(&r); @@ -226,7 +258,7 @@ rte_log_set_level_pattern(const char *pattern, uint32_t level) continue; if (fnmatch(pattern, rte_logs.dynamic_types[i].name, 0) == 0) - rte_logs.dynamic_types[i].loglevel = level; + logtype_set_level(i, level); } return 0; @@ -264,29 +296,11 @@ rte_log_lookup(const char *name) 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) +__rte_log_register(const char *name, uint32_t level) { struct rte_log_dynamic_type *new_dynamic_types; - int id, ret; + int id; id = rte_log_lookup(name); if (id >= 0) @@ -299,13 +313,24 @@ rte_log_register(const char *name) return -ENOMEM; rte_logs.dynamic_types = new_dynamic_types; - ret = __rte_log_register(name, rte_logs.dynamic_types_len); - if (ret < 0) - return ret; + id = rte_logs.dynamic_types_len; + memset(&rte_logs.dynamic_types[id], 0, + sizeof(rte_logs.dynamic_types[id])); + rte_logs.dynamic_types[id].name = strdup(name); + if (rte_logs.dynamic_types[id].name == NULL) + return -ENOMEM; + logtype_set_level(id, level); rte_logs.dynamic_types_len++; - return ret; + return id; +} + +/* register an extended log type */ +int +rte_log_register(const char *name) +{ + return __rte_log_register(name, RTE_LOG_INFO); } /* Register an extended log type and try to pick its level from EAL options */ @@ -314,11 +339,6 @@ 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) @@ -333,9 +353,7 @@ rte_log_register_type_and_pick_level(const char *name, uint32_t level_def) } } - rte_logs.dynamic_types[type].loglevel = level; - - return type; + return __rte_log_register(name, level); } struct logtype { @@ -388,30 +406,15 @@ RTE_INIT_PRIO(rte_log_init, LOG) 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); + for (i = 0; i < RTE_DIM(logtype_strings); i++) { + rte_logs.dynamic_types[logtype_strings[i].log_id].name = + strdup(logtype_strings[i].logtype); + logtype_set_level(logtype_strings[i].log_id, RTE_LOG_INFO); + } 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) -- 2.23.0