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GET /api/patches/118191/?format=api
{ "id": 118191, "url": "http://patches.dpdk.org/api/patches/118191/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/20221014062100.5761-1-markus.theil@tu-ilmenau.de/", "project": { "id": 1, "url": "http://patches.dpdk.org/api/projects/1/?format=api", "name": "DPDK", "link_name": "dpdk", "list_id": "dev.dpdk.org", "list_email": "dev@dpdk.org", "web_url": "http://core.dpdk.org", "scm_url": "git://dpdk.org/dpdk", "webscm_url": "http://git.dpdk.org/dpdk", "list_archive_url": "https://inbox.dpdk.org/dev", "list_archive_url_format": "https://inbox.dpdk.org/dev/{}", "commit_url_format": "" }, "msgid": "<20221014062100.5761-1-markus.theil@tu-ilmenau.de>", "list_archive_url": "https://inbox.dpdk.org/dev/20221014062100.5761-1-markus.theil@tu-ilmenau.de", "date": "2022-10-14T06:20:59", "name": "[1/2] eal: expose lcore pthread id", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "5627286152ae9453e0c111f1a34e21701e58c556", "submitter": { "id": 747, "url": "http://patches.dpdk.org/api/people/747/?format=api", "name": "Markus Theil", "email": "markus.theil@tu-ilmenau.de" }, "delegate": { "id": 1, "url": "http://patches.dpdk.org/api/users/1/?format=api", "username": "tmonjalo", "first_name": "Thomas", "last_name": "Monjalon", "email": "thomas@monjalon.net" }, "mbox": "http://patches.dpdk.org/project/dpdk/patch/20221014062100.5761-1-markus.theil@tu-ilmenau.de/mbox/", "series": [ { "id": 25228, "url": "http://patches.dpdk.org/api/series/25228/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=25228", "date": "2022-10-14T06:20:59", "name": "[1/2] eal: expose lcore pthread id", "version": 1, "mbox": "http://patches.dpdk.org/series/25228/mbox/" } ], "comments": "http://patches.dpdk.org/api/patches/118191/comments/", "check": "warning", "checks": "http://patches.dpdk.org/api/patches/118191/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@inbox.dpdk.org", "Delivered-To": "patchwork@inbox.dpdk.org", "Received": [ "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id EAC67A00C3;\n\tFri, 14 Oct 2022 08:21:15 +0200 (CEST)", "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 9F1CC4021E;\n\tFri, 14 Oct 2022 08:21:15 +0200 (CEST)", "from smail.rz.tu-ilmenau.de (smail.rz.tu-ilmenau.de [141.24.186.67])\n by mails.dpdk.org (Postfix) with ESMTP id 8EB8C4014F\n for <dev@dpdk.org>; Fri, 14 Oct 2022 08:21:14 +0200 (CEST)", "from isengard.fritz.box (p54aef542.dip0.t-ipconnect.de\n [84.174.245.66])\n by smail.rz.tu-ilmenau.de (Postfix) with ESMTPA id 44D68580098;\n Fri, 14 Oct 2022 08:21:14 +0200 (CEST)" ], "From": "Markus Theil <markus.theil@tu-ilmenau.de>", "To": "dev@dpdk.org", "Cc": "Michael Pfeiffer <michael.pfeiffer@tu-ilmenau.de>", "Subject": "[PATCH 1/2] eal: expose lcore pthread id", "Date": "Fri, 14 Oct 2022 08:20:59 +0200", "Message-Id": "<20221014062100.5761-1-markus.theil@tu-ilmenau.de>", "X-Mailer": "git-send-email 2.38.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.29", "Precedence": "list", "List-Id": "DPDK patches and discussions <dev.dpdk.org>", "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://mails.dpdk.org/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org" }, "content": "From: Michael Pfeiffer <michael.pfeiffer@tu-ilmenau.de>\n\nAlso expose the pthread id of each lcore, in\norder to allow modification of pthread attributes,\nfor example use rte_thread_setname without executing\npthread_self() on the maybe already running lcore.\n\nThe rte_lcore_to_thread_id function is added to API.\n\nSigned-off-by: Michael Pfeiffer <michael.pfeiffer@tu-ilmenau.de>\n---\n lib/eal/common/eal_common_lcore.c | 9 +++++++++\n lib/eal/include/rte_lcore.h | 14 ++++++++++++++\n lib/eal/version.map | 1 +\n 3 files changed, 24 insertions(+)", "diff": "diff --git a/lib/eal/common/eal_common_lcore.c b/lib/eal/common/eal_common_lcore.c\nindex 06c594b022..48c333cff1 100644\n--- a/lib/eal/common/eal_common_lcore.c\n+++ b/lib/eal/common/eal_common_lcore.c\n@@ -114,6 +114,15 @@ rte_lcore_to_socket_id(unsigned int lcore_id)\n \treturn lcore_config[lcore_id].socket_id;\n }\n \n+int\n+rte_lcore_to_thread_id(int lcore_id, pthread_t *thread_id) {\n+\tif (unlikely(lcore_id < 0 || lcore_id >= RTE_MAX_LCORE))\n+\t\treturn -1;\n+\n+\t*thread_id = lcore_config[lcore_id].thread_id;\n+\treturn 0;\n+}\n+\n static int\n socket_id_cmp(const void *a, const void *b)\n {\ndiff --git a/lib/eal/include/rte_lcore.h b/lib/eal/include/rte_lcore.h\nindex 4d3978512c..3ccd0a73b9 100644\n--- a/lib/eal/include/rte_lcore.h\n+++ b/lib/eal/include/rte_lcore.h\n@@ -171,6 +171,20 @@ rte_lcore_to_socket_id(unsigned int lcore_id);\n */\n int rte_lcore_to_cpu_id(int lcore_id);\n \n+/**\n+ * Get the ID of the thread of the specified lcore\n+ *\n+ * @param lcore_id\n+ * the targeted lcore, which MUST be between 0 and RTE_MAX_LCORE-1.\n+ * @param thread_id\n+ * the thread id is returned in this argument if lcore_id is in range\n+ * @return\n+ * 0 on success, or -1 if out of range\n+ */\n+__rte_experimental\n+int\n+rte_lcore_to_thread_id(int lcore_id, pthread_t *thread_id);\n+\n #ifdef RTE_HAS_CPUSET\n \n /**\ndiff --git a/lib/eal/version.map b/lib/eal/version.map\nindex 2d64a2592e..2e57242920 100644\n--- a/lib/eal/version.map\n+++ b/lib/eal/version.map\n@@ -440,6 +440,7 @@ EXPERIMENTAL {\n \trte_thread_detach;\n \trte_thread_equal;\n \trte_thread_join;\n+\trte_lcore_to_thread_id;\n };\n \n INTERNAL {\n", "prefixes": [ "1/2" ] }