1 files changed, 75 insertions, 0 deletions
diff --git a/src/cpu/dram_rapl_device.cpp b/src/cpu/dram_rapl_device.cpp
new file mode 100644
index 0000000..36d47a2
--- /dev/null
+++ b/src/cpu/dram_rapl_device.cpp
@@ -0,0 +1,75 @@
+/*
+ * 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 "dram_rapl_device.h"
+
+
+dram_rapl_device::dram_rapl_device(cpudevice *parent, const char *classname, const char *dev_name, class abstract_cpu *_cpu)
+	: cpudevice(classname, dev_name, _cpu),
+	  device_valid(false)
+{
+	if (_cpu)
+		rapl = new c_rapl_interface(dev_name, cpu->get_first_cpu());
+	else
+		rapl = new c_rapl_interface();
+	last_time = time(NULL);
+	if (rapl->dram_domain_present()) {
+		device_valid = true;
+		parent->add_child(this);
+		rapl->get_dram_energy_status(&last_energy);
+	}
+}
+
+void dram_rapl_device::start_measurement(void)
+{
+	last_time = time(NULL);
+
+	rapl->get_dram_energy_status(&last_energy);
+}
+
+void dram_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_dram_energy_status(&energy);
+		consumed_power = (energy-last_energy)/(curr_time-last_time);
+		last_energy = energy;
+		last_time = curr_time;
+	}
+}
+
+double dram_rapl_device::power_usage(struct result_bundle *result, struct parameter_bundle *bundle)
+{
+	if (rapl->dram_domain_present())
+		return consumed_power;
+	else
+		return 0.0;
+}