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Diffstat (limited to '')
-rw-r--r-- | src/devices/gpu_rapl_device.cpp | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/src/devices/gpu_rapl_device.cpp b/src/devices/gpu_rapl_device.cpp new file mode 100644 index 0000000..71d71a0 --- /dev/null +++ b/src/devices/gpu_rapl_device.cpp @@ -0,0 +1,70 @@ +/* + * 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: + * Srinivas Pandruvada<Srinivas.Pandruvada@linux.intel.com> + */ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "../parameters/parameters.h" +#include "gpu_rapl_device.h" + +gpu_rapl_device::gpu_rapl_device(i915gpu *parent) + : i915gpu(), + device_valid(false) +{ + last_time = time(NULL); + if (rapl.pp1_domain_present()) { + device_valid = true; + parent->add_child(this); + rapl.get_pp1_energy_status(&last_energy); + } +} + +void gpu_rapl_device::start_measurement(void) +{ + last_time = time(NULL); + + rapl.get_pp1_energy_status(&last_energy); +} + +void gpu_rapl_device::end_measurement(void) +{ + time_t curr_time = time(NULL); + double energy; + + consumed_power = 0.0; + if ((curr_time - last_time) > 0) { + rapl.get_pp1_energy_status(&energy); + consumed_power = (energy-last_energy)/(curr_time-last_time); + last_energy = energy; + last_time = curr_time; + } +} + +double gpu_rapl_device::power_usage(struct result_bundle *result, struct parameter_bundle *bundle) +{ + if (rapl.pp1_domain_present()) + return consumed_power; + else + return 0.0; +} |