1 files changed, 91 insertions, 0 deletions
diff --git a/src/cpu/rapl/rapl_interface.h b/src/cpu/rapl/rapl_interface.h
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+++ b/src/cpu/rapl/rapl_interface.h
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+/* rapl_interface.h: rapl interface for power top
+ *
+ * Copyright (C) 2012 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * 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; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ *
+ *
+ * Author Name <Srinivas.Pandruvada@linux.intel.com>
+ *
+ */
+
+#ifndef RAPL_INTERFACE_H
+#define RAPL_INTERFACE_H
+
+class c_rapl_interface
+{
+private:
+	static const int def_sampling_interval = 1; //In seconds
+	bool powercap_sysfs_present;
+	string powercap_core_path;
+	string powercap_uncore_path;
+	string powercap_dram_path;
+
+	unsigned char rapl_domains;
+	int first_cpu;
+
+	double power_units;
+	double energy_status_units;
+	double time_units;
+
+	int read_msr(int cpu, unsigned int idx, uint64_t *val);
+	int write_msr(int cpu, unsigned int idx, uint64_t val);
+
+protected:
+	int measurment_interval;
+	double last_pkg_energy_status;
+	double last_dram_energy_status;
+	double last_pp0_energy_status;
+	double last_pp1_energy_status;
+
+public:
+	c_rapl_interface(const char *dev_name = "package-0", int cpu = 0);
+
+	int get_rapl_power_unit(uint64_t *value);
+	double get_power_unit();
+	double get_energy_status_unit();
+	double get_time_unit();
+
+	int get_pkg_energy_status(double *status);
+	int get_pkg_power_info(double *thermal_spec_power,
+			double *max_power, double *min_power, double *max_time_window);
+	int get_pkg_power_limit(uint64_t *value);
+	int set_pkg_power_limit(uint64_t value);
+
+	int get_dram_energy_status(double *status);
+	int get_dram_power_info(double *thermal_spec_power,
+			double *max_power, double *min_power, double *max_time_window);
+	int get_dram_power_limit(uint64_t *value);
+	int set_dram_power_limit(uint64_t value);
+
+	int get_pp0_energy_status(double *status);
+	int get_pp0_power_limit(uint64_t *value);
+	int set_pp0_power_limit(uint64_t value);
+	int get_pp0_power_policy(unsigned int *pp0_power_policy);
+
+	int get_pp1_energy_status(double *status);
+	int get_pp1_power_limit(uint64_t *value);
+	int set_pp1_power_limit(uint64_t value);
+	int get_pp1_power_policy(unsigned int *pp1_power_policy);
+
+	bool pkg_domain_present();
+	bool dram_domain_present();
+	bool pp0_domain_present();
+	bool pp1_domain_present();
+
+	void rapl_measure_energy();
+};
+
+#endif