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GET /api/patches/2608/?format=api
{ "id": 2608, "url": "https://patches.dpdk.org/api/patches/2608/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1422428365-5875-5-git-send-email-cunming.liang@intel.com/", "project": { "id": 1, "url": "https://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": "<1422428365-5875-5-git-send-email-cunming.liang@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1422428365-5875-5-git-send-email-cunming.liang@intel.com", "date": "2015-01-28T06:59:14", "name": "[dpdk-dev,v2,04/15] eal: new TLS definition and API declaration", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "2891dbb57f973b4bbde7d1b91d8a96217daec15a", "submitter": { "id": 46, "url": "https://patches.dpdk.org/api/people/46/?format=api", "name": "Cunming Liang", "email": "cunming.liang@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1422428365-5875-5-git-send-email-cunming.liang@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/2608/comments/", "check": "pending", "checks": "https://patches.dpdk.org/api/patches/2608/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 5230F5A9D;\n\tWed, 28 Jan 2015 08:00:14 +0100 (CET)", "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n\tby dpdk.org (Postfix) with ESMTP id 6F85F5A7A\n\tfor <dev@dpdk.org>; Wed, 28 Jan 2015 08:00:00 +0100 (CET)", "from fmsmga002.fm.intel.com ([10.253.24.26])\n\tby orsmga101.jf.intel.com with ESMTP; 27 Jan 2015 22:59:59 -0800", "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby fmsmga002.fm.intel.com with ESMTP; 27 Jan 2015 22:59:57 -0800", "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id t0S6xth6023719;\n\tWed, 28 Jan 2015 14:59:55 +0800", "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid t0S6xq7n005957; Wed, 28 Jan 2015 14:59:55 +0800", "(from cliang18@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id t0S6xqoC005953; \n\tWed, 28 Jan 2015 14:59:52 +0800" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.09,479,1418112000\"; d=\"scan'208\";a=\"668814791\"", "From": "Cunming Liang <cunming.liang@intel.com>", "To": "dev@dpdk.org", "Date": "Wed, 28 Jan 2015 14:59:14 +0800", "Message-Id": "<1422428365-5875-5-git-send-email-cunming.liang@intel.com>", "X-Mailer": "git-send-email 1.7.4.1", "In-Reply-To": "<1422428365-5875-1-git-send-email-cunming.liang@intel.com>", "References": "<1421914598-2747-1-git-send-email-cunming.liang@intel.com>\n\t<1422428365-5875-1-git-send-email-cunming.liang@intel.com>", "Subject": "[dpdk-dev] [PATCH v2 04/15] eal: new TLS definition and API\n\tdeclaration", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "patches and discussions about DPDK <dev.dpdk.org>", "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>", "List-Archive": "<http://dpdk.org/ml/archives/dev/>", "List-Post": "<mailto:dev@dpdk.org>", "List-Help": "<mailto:dev-request@dpdk.org?subject=help>", "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "1. add two TLS *_socket_id* and *_cpuset*\n2. add two external API rte_thread_set/get_affinity\n3. add one internal API eal_thread_dump_affinity\n\nSigned-off-by: Cunming Liang <cunming.liang@intel.com>\n---\n lib/librte_eal/bsdapp/eal/eal_thread.c | 2 ++\n lib/librte_eal/common/eal_thread.h | 14 ++++++++++++++\n lib/librte_eal/common/include/rte_lcore.h | 29 +++++++++++++++++++++++++++--\n lib/librte_eal/linuxapp/eal/eal_thread.c | 2 ++\n 4 files changed, 45 insertions(+), 2 deletions(-)", "diff": "diff --git a/lib/librte_eal/bsdapp/eal/eal_thread.c b/lib/librte_eal/bsdapp/eal/eal_thread.c\nindex ab05368..10220c7 100644\n--- a/lib/librte_eal/bsdapp/eal/eal_thread.c\n+++ b/lib/librte_eal/bsdapp/eal/eal_thread.c\n@@ -56,6 +56,8 @@\n #include \"eal_thread.h\"\n \n RTE_DEFINE_PER_LCORE(unsigned, _lcore_id);\n+RTE_DEFINE_PER_LCORE(unsigned, _socket_id);\n+RTE_DEFINE_PER_LCORE(rte_cpuset_t, _cpuset);\n \n /*\n * Send a message to a slave lcore identified by slave_id to call a\ndiff --git a/lib/librte_eal/common/eal_thread.h b/lib/librte_eal/common/eal_thread.h\nindex a25ee86..28edf51 100644\n--- a/lib/librte_eal/common/eal_thread.h\n+++ b/lib/librte_eal/common/eal_thread.h\n@@ -102,4 +102,18 @@ eal_cpuset_socket_id(rte_cpuset_t *cpusetp)\n \treturn socket_id;\n }\n \n+/**\n+ * Dump the current pthread cpuset.\n+ * This function is private to EAL.\n+ *\n+ * @param str\n+ * The string buffer the cpuset will dump to.\n+ * @param size\n+ * The string buffer size.\n+ */\n+#define CPU_STR_LEN 256\n+void\n+eal_thread_dump_affinity(char str[], unsigned size);\n+\n+\n #endif /* EAL_THREAD_H */\ndiff --git a/lib/librte_eal/common/include/rte_lcore.h b/lib/librte_eal/common/include/rte_lcore.h\nindex 4c7d6bb..facdbdc 100644\n--- a/lib/librte_eal/common/include/rte_lcore.h\n+++ b/lib/librte_eal/common/include/rte_lcore.h\n@@ -43,6 +43,7 @@\n #include <rte_per_lcore.h>\n #include <rte_eal.h>\n #include <rte_launch.h>\n+#include <rte_memory.h>\n \n #ifdef __cplusplus\n extern \"C\" {\n@@ -80,7 +81,9 @@ struct lcore_config {\n */\n extern struct lcore_config lcore_config[RTE_MAX_LCORE];\n \n-RTE_DECLARE_PER_LCORE(unsigned, _lcore_id); /**< Per core \"core id\". */\n+RTE_DECLARE_PER_LCORE(unsigned, _lcore_id); /**< Per thread \"lcore id\". */\n+RTE_DECLARE_PER_LCORE(unsigned, _socket_id); /**< Per thread \"socket id\". */\n+RTE_DECLARE_PER_LCORE(rte_cpuset_t, _cpuset); /**< Per thread \"cpuset\". */\n \n /**\n * Return the ID of the execution unit we are running on.\n@@ -146,7 +149,7 @@ rte_lcore_index(int lcore_id)\n static inline unsigned\n rte_socket_id(void)\n {\n-\treturn lcore_config[rte_lcore_id()].socket_id;\n+\treturn RTE_PER_LCORE(_socket_id);\n }\n \n /**\n@@ -229,6 +232,28 @@ rte_get_next_lcore(unsigned i, int skip_master, int wrap)\n \t i<RTE_MAX_LCORE;\t\t\t\t\t\t\\\n \t i = rte_get_next_lcore(i, 1, 0))\n \n+/**\n+ * Set core affinity of the current thread.\n+ * Support both EAL and none-EAL thread and update TLS.\n+ *\n+ * @param cpusetp\n+ * Point to cpu_set_t for setting current thread affinity.\n+ * @return\n+ * On success, return 0; otherwise return -1;\n+ */\n+int rte_thread_set_affinity(rte_cpuset_t *cpusetp);\n+\n+/**\n+ * Get core affinity of the current thread.\n+ *\n+ * @param cpusetp\n+ * Point to cpu_set_t for getting current thread cpu affinity.\n+ * @return\n+ * On success, return 0; otherwise return -1;\n+ */\n+int rte_thread_get_affinity(rte_cpuset_t *cpusetp);\n+\n+\n #ifdef __cplusplus\n }\n #endif\ndiff --git a/lib/librte_eal/linuxapp/eal/eal_thread.c b/lib/librte_eal/linuxapp/eal/eal_thread.c\nindex 80a985f..748a83a 100644\n--- a/lib/librte_eal/linuxapp/eal/eal_thread.c\n+++ b/lib/librte_eal/linuxapp/eal/eal_thread.c\n@@ -56,6 +56,8 @@\n #include \"eal_thread.h\"\n \n RTE_DEFINE_PER_LCORE(unsigned, _lcore_id);\n+RTE_DEFINE_PER_LCORE(unsigned, _socket_id);\n+RTE_DEFINE_PER_LCORE(rte_cpuset_t, _cpuset);\n \n /*\n * Send a message to a slave lcore identified by slave_id to call a\n", "prefixes": [ "dpdk-dev", "v2", "04/15" ] }