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GET /api/patches/29553/?format=api
http://patches.dpdk.org/api/patches/29553/?format=api", "web_url": "http://patches.dpdk.org/project/dpdk/patch/1507039737-170942-5-git-send-email-david.hunt@intel.com/", "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": "<1507039737-170942-5-git-send-email-david.hunt@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1507039737-170942-5-git-send-email-david.hunt@intel.com", "date": "2017-10-03T14:08:52", "name": "[dpdk-dev,v3,4/9] examples/vm_power_mgr: add scale to medium freq fn", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "55e1478d33912926e237ab8d1b8787e48770c94a", "submitter": { "id": 342, "url": "http://patches.dpdk.org/api/people/342/?format=api", "name": "Hunt, David", "email": "david.hunt@intel.com" }, "delegate": null, "mbox": "http://patches.dpdk.org/project/dpdk/patch/1507039737-170942-5-git-send-email-david.hunt@intel.com/mbox/", "series": [], "comments": "http://patches.dpdk.org/api/patches/29553/comments/", "check": "success", "checks": "http://patches.dpdk.org/api/patches/29553/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 [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id ABEBD1B3BA;\n\tTue, 3 Oct 2017 16:46:45 +0200 (CEST)", "from mga07.intel.com (mga07.intel.com [134.134.136.100])\n\tby dpdk.org (Postfix) with ESMTP id 731711B3A4\n\tfor <dev@dpdk.org>; Tue, 3 Oct 2017 16:46:43 +0200 (CEST)", "from orsmga003.jf.intel.com ([10.7.209.27])\n\tby orsmga105.jf.intel.com with ESMTP; 03 Oct 2017 07:46:43 -0700", "from silpixa00397898.ir.intel.com (HELO\n\tsilpixa00397898.ger.corp.intel.com) ([10.237.223.116])\n\tby orsmga003.jf.intel.com with ESMTP; 03 Oct 2017 07:46:41 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.42,474,1500966000\"; d=\"scan'208\";\n\ta=\"1021087144\"", "From": "David Hunt <david.hunt@intel.com>", "To": "dev@dpdk.org", "Cc": "konstantin.ananyev@intel.com, jingjing.wu@intel.com,\n\tDavid Hunt <david.hunt@intel.com>,\n\tNemanja Marjanovic <nemanja.marjanovic@intel.com>,\n\tRory Sexton <rory.sexton@intel.com>", "Date": "Tue, 3 Oct 2017 15:08:52 +0100", "Message-Id": "<1507039737-170942-5-git-send-email-david.hunt@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1507039737-170942-1-git-send-email-david.hunt@intel.com>", "References": "<1505299459-24135-2-git-send-email-david.hunt@intel.com>\n\t<1507039737-170942-1-git-send-email-david.hunt@intel.com>", "Subject": "[dpdk-dev] [PATCH v3 4/9] examples/vm_power_mgr: add scale to\n\tmedium freq fn", "X-BeenThere": "dev@dpdk.org", "X-Mailman-Version": "2.1.15", "Precedence": "list", "List-Id": "DPDK patches and discussions <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": "Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com>\nSigned-off-by: Rory Sexton <rory.sexton@intel.com>\nSigned-off-by: David Hunt <david.hunt@intel.com>\n---\n examples/vm_power_manager/power_manager.c | 15 +++++++++++++++\n examples/vm_power_manager/power_manager.h | 13 +++++++++++++\n 2 files changed, 28 insertions(+)", "diff": "diff --git a/examples/vm_power_manager/power_manager.c b/examples/vm_power_manager/power_manager.c\nindex 80705f9..c021c1d 100644\n--- a/examples/vm_power_manager/power_manager.c\n+++ b/examples/vm_power_manager/power_manager.c\n@@ -286,3 +286,18 @@ power_manager_disable_turbo_core(unsigned int core_num)\n \tPOWER_SCALE_CORE(disable_turbo, core_num, ret);\n \treturn ret;\n }\n+\n+int\n+power_manager_scale_core_med(unsigned int core_num)\n+{\n+\tint ret = 0;\n+\n+\tif (core_num >= POWER_MGR_MAX_CPUS)\n+\t\treturn -1;\n+\tif (!(global_enabled_cpus & (1ULL << core_num)))\n+\t\treturn -1;\n+\trte_spinlock_lock(&global_core_freq_info[core_num].power_sl);\n+\tret = rte_power_set_freq(core_num, 5);\n+\trte_spinlock_unlock(&global_core_freq_info[core_num].power_sl);\n+\treturn ret;\n+}\ndiff --git a/examples/vm_power_manager/power_manager.h b/examples/vm_power_manager/power_manager.h\nindex b74d09b..b52fb4c 100644\n--- a/examples/vm_power_manager/power_manager.h\n+++ b/examples/vm_power_manager/power_manager.h\n@@ -231,6 +231,19 @@ int power_manager_disable_turbo_core(unsigned int core_num);\n */\n uint32_t power_manager_get_current_frequency(unsigned core_num);\n \n+/**\n+ * Scale to medium frequency for the core specified by core_num.\n+ * It is thread-safe.\n+ *\n+ * @param core_num\n+ * The core number to change frequency\n+ *\n+ * @return\n+ * - 1 on success.\n+ * - 0 if frequency not changed.\n+ * - Negative on error.\n+ */\n+int power_manager_scale_core_med(unsigned int core_num);\n \n #ifdef __cplusplus\n }\n", "prefixes": [ "dpdk-dev", "v3", "4/9" ] }{ "id": 29553, "url": "