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+/*
+ * 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>
+ */
+#ifndef _INCLUDE_GUARD_PERF_H_
+#define _INCLUDE_GUARD_PERF_H_
+
+#include <iostream>
+
+
+extern "C" {
+ #include "../traceevent/event-parse.h"
+}
+
+
+using namespace std;
+
+class perf_event {
+protected:
+ int perf_fd;
+ void * perf_mmap;
+ void * data_mmap;
+ struct perf_event_mmap_page *pc;
+
+
+
+ int bufsize;
+ char *name;
+ int cpu;
+ void create_perf_event(char *eventname, int cpu);
+
+public:
+ unsigned int trace_type;
+
+ perf_event(void);
+ perf_event(const char *event_name, int cpu = 0, int buffer_size = 128);
+
+ virtual ~perf_event(void);
+
+
+ void set_event_name(const char *event_name);
+ void set_cpu(int cpu);
+
+ void start(void);
+ void stop(void);
+ void clear(void);
+
+ void process(void *cookie);
+
+ virtual void handle_event(struct perf_event_header *header, void *cookie) { };
+
+ static struct pevent *pevent;
+
+};
+
+#endif