From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 83D19A058B; Wed, 25 Mar 2020 22:16:01 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id CAE041B949; Wed, 25 Mar 2020 22:15:54 +0100 (CET) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 829051C027 for ; Wed, 25 Mar 2020 22:15:53 +0100 (CET) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02PLF8CR026596; Wed, 25 Mar 2020 14:15:52 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=UoJXm3fTVz14nw3TNUvWrPFW5H/t7IbgHLrKZogimag=; b=soecyk2XI06QJeVCg5EoRQU8rXDcMCp4ZvGi1M0HB1EmDTIhE57tOCAXnUqQjvY5be0i lc8/GNaZ1yah69/eGKxVIgXVKsnt/PvqqKk46CZ9yDYSj5X3fHn5LYUrKpNuzJGBgzcj wbpGqRS9dLU8JDBlbj1KDARKE9VuwPvNoTheUOXc6VE5gbPgYK8qAm8GvZnaPJN6F64X kzwpRIcDWci+Bqc7ew5ouuCPOQNh38WDX/iZ0UPV/wTnleS4TlWm+oxroslD3lqNUtXv yDUhUxOe7vhevlMKq1QRrfy290IFchKJfNAOwkokJmDsR9TzRaviqa5vkAnPCCU3KW2F uQ== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 300bpcrunw-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 25 Mar 2020 14:15:52 -0700 Received: from SC-EXCH01.marvell.com (10.93.176.81) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 25 Mar 2020 14:15:49 -0700 Received: from maili.marvell.com (10.93.176.43) by SC-EXCH01.marvell.com (10.93.176.81) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 25 Mar 2020 14:15:49 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id D72583F703F; Wed, 25 Mar 2020 14:15:47 -0700 (PDT) From: To: Bruce Richardson CC: , , , , , Jerin Jacob Date: Thu, 26 Mar 2020 02:45:31 +0530 Message-ID: <20200325211603.240288-2-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200325211603.240288-1-jerinj@marvell.com> References: <20200318190241.3150971-1-jerinj@marvell.com> <20200325211603.240288-1-jerinj@marvell.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.645 definitions=2020-03-25_11:2020-03-24, 2020-03-25 signatures=0 Subject: [dpdk-dev] [PATCH v2 01/32] eal: introduce API for getting thread name X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" From: Jerin Jacob Introduce rte_thread_getname() API to get the thread name and implement it for Linux and FreeBSD. FreeBSD does not support getting the thread name. One of the consumers of this API will be the trace subsystem where it used as an informative purpose. Signed-off-by: Jerin Jacob --- lib/librte_eal/common/include/rte_lcore.h | 17 +++++++++++++++++ lib/librte_eal/freebsd/eal/eal_thread.c | 9 +++++++++ lib/librte_eal/linux/eal/eal_thread.c | 15 +++++++++++++++ lib/librte_eal/rte_eal_version.map | 3 +++ 4 files changed, 44 insertions(+) diff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h index 476b8ef3a..339046bc8 100644 --- a/lib/librte_eal/common/include/rte_lcore.h +++ b/lib/librte_eal/common/include/rte_lcore.h @@ -240,6 +240,23 @@ void rte_thread_get_affinity(rte_cpuset_t *cpusetp); */ int rte_thread_setname(pthread_t id, const char *name); +/** + * Get thread name. + * + * @note It fails with glibc < 2.12. + * + * @param id + * Thread id. + * @param name + * Thread name to set. + * @param len + * Thread name buffer length. + * @return + * On success, return 0; otherwise return a negative value. + */ +__rte_experimental +int rte_thread_getname(pthread_t id, char *name, size_t len); + /** * Create a control thread. * diff --git a/lib/librte_eal/freebsd/eal/eal_thread.c b/lib/librte_eal/freebsd/eal/eal_thread.c index 309b58726..ae7b57672 100644 --- a/lib/librte_eal/freebsd/eal/eal_thread.c +++ b/lib/librte_eal/freebsd/eal/eal_thread.c @@ -175,3 +175,12 @@ int rte_thread_setname(pthread_t id, const char *name) pthread_set_name_np(id, name); return 0; } + +int rte_thread_getname(pthread_t id, char *name, size_t len) +{ + RTE_SET_USED(id); + RTE_SET_USED(name); + RTE_SET_USED(len); + + return -ENOTSUP; +} diff --git a/lib/librte_eal/linux/eal/eal_thread.c b/lib/librte_eal/linux/eal/eal_thread.c index 379773b68..3f82b286c 100644 --- a/lib/librte_eal/linux/eal/eal_thread.c +++ b/lib/librte_eal/linux/eal/eal_thread.c @@ -186,3 +186,18 @@ int rte_thread_setname(pthread_t id, const char *name) RTE_SET_USED(name); return -ret; } + +int rte_thread_getname(pthread_t id, char *name, size_t len) +{ + int ret = ENOSYS; +#if defined(__GLIBC__) && defined(__GLIBC_PREREQ) +#if __GLIBC_PREREQ(2, 12) + ret = pthread_getname_np(id, name, len); +#endif +#endif + RTE_SET_USED(id); + RTE_SET_USED(name); + RTE_SET_USED(len); + return -ret; + +} diff --git a/lib/librte_eal/rte_eal_version.map b/lib/librte_eal/rte_eal_version.map index 6cf507068..cadfa6465 100644 --- a/lib/librte_eal/rte_eal_version.map +++ b/lib/librte_eal/rte_eal_version.map @@ -335,4 +335,7 @@ EXPERIMENTAL { # added in 20.02 rte_thread_is_intr; + + # added in 20.05 + rte_thread_getname; }; -- 2.25.1