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GET /api/patches/27997/?format=api
{ "id": 27997, "url": "https://patches.dpdk.org/api/patches/27997/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/1503676941-80981-6-git-send-email-david.hunt@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": "<1503676941-80981-6-git-send-email-david.hunt@intel.com>", "list_archive_url": "https://inbox.dpdk.org/dev/1503676941-80981-6-git-send-email-david.hunt@intel.com", "date": "2017-08-25T16:02:16", "name": "[dpdk-dev,v1,05/10] examples/vm_power_mgr: add scale to medium freq fn", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": true, "hash": "34168b9a9e90ad19f1f06ed210d9442e38d70dcd", "submitter": { "id": 342, "url": "https://patches.dpdk.org/api/people/342/?format=api", "name": "Hunt, David", "email": "david.hunt@intel.com" }, "delegate": null, "mbox": "https://patches.dpdk.org/project/dpdk/patch/1503676941-80981-6-git-send-email-david.hunt@intel.com/mbox/", "series": [], "comments": "https://patches.dpdk.org/api/patches/27997/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/27997/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 697BE7D8F;\n\tFri, 25 Aug 2017 18:02:42 +0200 (CEST)", "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n\tby dpdk.org (Postfix) with ESMTP id 2D9457D57\n\tfor <dev@dpdk.org>; Fri, 25 Aug 2017 18:02:33 +0200 (CEST)", "from fmsmga001.fm.intel.com ([10.253.24.23])\n\tby fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t25 Aug 2017 09:02:33 -0700", "from silpixa00397898.ir.intel.com (HELO\n\tsilpixa00397898.ger.corp.intel.com) ([10.237.223.116])\n\tby fmsmga001.fm.intel.com with ESMTP; 25 Aug 2017 09:02:32 -0700" ], "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos; i=\"5.41,426,1498546800\"; d=\"scan'208\";\n\ta=\"1188144557\"", "From": "David Hunt <david.hunt@intel.com>", "To": "dev@dpdk.org", "Cc": "David Hunt <david.hunt@intel.com>,\n\tNemanja Marjanovic <nemanja.marjanovic@intel.com>,\n\tRory Sexton <rory.sexton@intel.com>", "Date": "Fri, 25 Aug 2017 17:02:16 +0100", "Message-Id": "<1503676941-80981-6-git-send-email-david.hunt@intel.com>", "X-Mailer": "git-send-email 2.7.4", "In-Reply-To": "<1503676941-80981-1-git-send-email-david.hunt@intel.com>", "References": "<1503676941-80981-1-git-send-email-david.hunt@intel.com>", "Subject": "[dpdk-dev] [PATCH v1 05/10] 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 2644fce..7b0afda 100644\n--- a/examples/vm_power_manager/power_manager.c\n+++ b/examples/vm_power_manager/power_manager.c\n@@ -250,3 +250,18 @@ power_manager_scale_core_max(unsigned core_num)\n \tPOWER_SCALE_CORE(max, 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 1b45bab..6cdec7a 100644\n--- a/examples/vm_power_manager/power_manager.h\n+++ b/examples/vm_power_manager/power_manager.h\n@@ -179,6 +179,19 @@ int power_manager_scale_core_max(unsigned 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", "v1", "05/10" ] }