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 4D2C2A0562; Fri, 3 Apr 2020 17:37:27 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 42BC91C0D7; Fri, 3 Apr 2020 17:37:11 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0a-0016f401.pphosted.com [67.231.148.174]) by dpdk.org (Postfix) with ESMTP id 8B04F1C0C4 for ; Fri, 3 Apr 2020 17:37:08 +0200 (CEST) Received: from pps.filterd (m0045849.ppops.net [127.0.0.1]) by mx0a-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 033FaPHk029227; Fri, 3 Apr 2020 08:37:07 -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=EGzmaV/uLWEbBKcX7OxvkQ5PEZybO9oPslfBjwQryqk=; b=xiV/EFmVxTkOsvrM9+3j0ilkPFLdeg8E8KvM0jV9ben4Yu8m20MW9VPjINPCrXfeuyqT YM0WhZUqr2K02KujXzpiaVN2EsgnaCkNJTmguEQ+Tutq2mSo/qIbUwlOGicEZu62T9ud r3OW8/nSxxfd+xPKilr7rFun/Ensb4ljwRv7gk6rq+gmBWL/wi1j8Rleh/QokrcfSHy3 4ClkYJIBBQsEqzQYs9sCU2eLe6j4c6el6JEJ/dx1IwtNF1BxFkAXkAZebezI2HUNM++7 q3yges43ASY7zpC+RYtaU1nKLXIv1LjXEKxr/PaGbeT8XlRJk7wGebCceIbwLkstvW4r zg== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0a-0016f401.pphosted.com with ESMTP id 304855y7bh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Fri, 03 Apr 2020 08:37:07 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 3 Apr 2020 08:37:06 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Fri, 3 Apr 2020 08:37:06 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id 2D0EE3F704E; Fri, 3 Apr 2020 08:37:03 -0700 (PDT) From: To: Bruce Richardson CC: , , , , , Jerin Jacob Date: Fri, 3 Apr 2020 21:06:38 +0530 Message-ID: <20200403153709.3703448-3-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200403153709.3703448-1-jerinj@marvell.com> References: <20200329144342.1543749-1-jerinj@marvell.com> <20200403153709.3703448-1-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, 18.0.676 definitions=2020-04-03_11:2020-04-03, 2020-04-03 signatures=0 Subject: [dpdk-dev] [PATCH v4 02/33] 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/freebsd/eal_thread.c | 9 +++++++++ lib/librte_eal/include/rte_lcore.h | 17 +++++++++++++++++ lib/librte_eal/linux/eal_thread.c | 15 +++++++++++++++ lib/librte_eal/rte_eal_version.map | 1 + 4 files changed, 42 insertions(+) diff --git a/lib/librte_eal/freebsd/eal_thread.c b/lib/librte_eal/freebsd/eal_thread.c index 309b58726..ae7b57672 100644 --- a/lib/librte_eal/freebsd/eal_thread.c +++ b/lib/librte_eal/freebsd/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/include/rte_lcore.h b/lib/librte_eal/include/rte_lcore.h index 476b8ef3a..339046bc8 100644 --- a/lib/librte_eal/include/rte_lcore.h +++ b/lib/librte_eal/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/linux/eal_thread.c b/lib/librte_eal/linux/eal_thread.c index 379773b68..3f82b286c 100644 --- a/lib/librte_eal/linux/eal_thread.c +++ b/lib/librte_eal/linux/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 f9ede5b41..71098581f 100644 --- a/lib/librte_eal/rte_eal_version.map +++ b/lib/librte_eal/rte_eal_version.map @@ -338,4 +338,5 @@ EXPERIMENTAL { # added in 20.05 rte_log_can_log; + rte_thread_getname; }; -- 2.25.1