X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Fvm_power_manager%2Fpower_manager.h;h=d35f8cbe01f89982b16fa20fc3542fba7173eb94;hb=0a65bf8d4124866678f3ddb816d36aae66f791eb;hp=b52fb4c744e9629682d51e554a3b546e2cdd3f8d;hpb=7f472f7486d21f88b6a8bf0ba6f2d404e665c0b5;p=dpdk.git diff --git a/examples/vm_power_manager/power_manager.h b/examples/vm_power_manager/power_manager.h index b52fb4c744..d35f8cbe01 100644 --- a/examples/vm_power_manager/power_manager.h +++ b/examples/vm_power_manager/power_manager.h @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #ifndef POWER_MANAGER_H_ @@ -38,8 +9,41 @@ extern "C" { #endif -/* Maximum number of CPUS to manage */ -#define POWER_MGR_MAX_CPUS 64 +#define FREQ_WINDOW_SIZE 32 + +enum { + FREQ_UNKNOWN, + FREQ_MIN, + FREQ_MAX +}; + +struct core_details { + uint64_t last_branches; + uint64_t last_branch_misses; + uint16_t global_enabled_cpus; + uint16_t oob_enabled; + int msr_fd; + uint16_t freq_directions[FREQ_WINDOW_SIZE]; + uint16_t freq_window_idx; + uint16_t freq_state; + float branch_ratio_threshold; +}; + +struct core_info { + uint16_t core_count; + struct core_details *cd; +}; + +#define BRANCH_RATIO_THRESHOLD 0.1 + +struct core_info * +get_core_info(void); + +int +core_info_init(void); + +#define RTE_LOGTYPE_POWER_MANAGER RTE_LOGTYPE_USER1 + /** * Initialize power management. * Initializes resources and verifies the number of CPUs on the system.