| /* |
| * Copyright 2010, Intel Corporation |
| * |
| * This file is part of PowerTOP |
| * |
| * This program file is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program in a file named COPYING; if not, write to the |
| * Free Software Foundation, Inc, |
| * 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301 USA |
| * or just google for it. |
| * |
| * Authors: |
| * Arjan van de Ven <arjan@linux.intel.com> |
| */ |
| #include <iostream> |
| #include <fstream> |
| |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <dirent.h> |
| #include <unistd.h> |
| |
| |
| using namespace std; |
| |
| #include "device.h" |
| #include "i915-gpu.h" |
| #include "../parameters/parameters.h" |
| #include "../process/powerconsumer.h" |
| |
| #include <string.h> |
| #include <unistd.h> |
| |
| i915gpu::i915gpu(): device() |
| { |
| index = get_param_index("gpu-operations"); |
| rindex = get_result_index("gpu-operations"); |
| } |
| |
| void i915gpu::start_measurement(void) |
| { |
| } |
| |
| void i915gpu::end_measurement(void) |
| { |
| } |
| |
| |
| double i915gpu::utilization(void) |
| { |
| return get_result_value(rindex); |
| |
| } |
| |
| void create_i915_gpu(void) |
| { |
| char filename[4096]; |
| class i915gpu *gpu; |
| |
| strcpy(filename, "/sys/kernel/debug/tracing/events/i915/i915_gem_ring_dispatch/format"); |
| |
| if (access(filename, R_OK) !=0) { |
| /* try an older tracepoint */ |
| strcpy(filename, "/sys/kernel/debug/tracing/events/i915/i915_gem_request_submit/format"); |
| if (access(filename, R_OK) != 0) |
| return; |
| } |
| |
| register_parameter("gpu-operations"); |
| |
| gpu = new class i915gpu(); |
| all_devices.push_back(gpu); |
| } |
| |
| |
| |
| double i915gpu::power_usage(struct result_bundle *result, struct parameter_bundle *bundle) |
| { |
| double power; |
| double factor; |
| double util; |
| |
| power = 0; |
| factor = get_parameter_value(index, bundle); |
| util = get_result_value(rindex, result); |
| |
| power += util * factor / 100.0; |
| return power; |
| } |