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 B8095A0577; Mon, 13 Apr 2020 17:02:03 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 3666D1BE99; Mon, 13 Apr 2020 17:01:47 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 621271BEA6 for ; Mon, 13 Apr 2020 17:01:46 +0200 (CEST) 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 03DF1KhH023057; Mon, 13 Apr 2020 08:01:45 -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=skf+xM+IL+jQ2TUQqATubgAdN5NPHBXGRnE9nb0rKlwKWD1Ci+dwc37FMm6YLaPuLWeI THzmjzy4xOPslZgaE3zi/9ZoGeun4gqV3DaRXyfjNvwAEZZxeZAmpg0ypKOpDBAC/rue KCzy+NTUMAKQtnb5iwJ53ezQs5vb82OtENeexbTPJPNX9MWqgrxP03Lrps43dkrQhpJF An5TWegDEU8Q9vE7KWDkcZtkMPEoK+zRbfe1+vv4+K7tZIrNlII5hovznqoIZ71rPnsq VPXe/xQz5gCZfwlngXnisYfHR3gHZQMMIBkMwr55rKePGF+TQGD+rue2L0AANt0SbUAm og== Received: from sc-exch02.marvell.com ([199.233.58.182]) by mx0b-0016f401.pphosted.com with ESMTP id 30bddkpf37-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 13 Apr 2020 08:01:45 -0700 Received: from DC5-EXCH01.marvell.com (10.69.176.38) by SC-EXCH02.marvell.com (10.93.176.82) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Mon, 13 Apr 2020 08:01:43 -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; Mon, 13 Apr 2020 08:01:43 -0700 Received: from jerin-lab.marvell.com (jerin-lab.marvell.com [10.28.34.14]) by maili.marvell.com (Postfix) with ESMTP id 1B8293F7041; Mon, 13 Apr 2020 08:01:23 -0700 (PDT) From: To: Bruce Richardson CC: , , , , , Jerin Jacob Date: Mon, 13 Apr 2020 20:30:45 +0530 Message-ID: <20200413150116.734047-3-jerinj@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200413150116.734047-1-jerinj@marvell.com> References: <20200403153709.3703448-1-jerinj@marvell.com> <20200413150116.734047-1-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=2020-04-13_07:2020-04-13, 2020-04-13 signatures=0 Subject: [dpdk-dev] [PATCH v5 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