gator: Version 5.18
Signed-off-by: Jon Medhurst <tixy@linaro.org>
diff --git a/tools/gator/daemon/PerfBuffer.h b/tools/gator/daemon/PerfBuffer.h
new file mode 100644
index 0000000..278a3b9
--- /dev/null
+++ b/tools/gator/daemon/PerfBuffer.h
@@ -0,0 +1,39 @@
+/**
+ * Copyright (C) ARM Limited 2013-2014. 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.
+ */
+
+#ifndef PERF_BUFFER
+#define PERF_BUFFER
+
+#include "Config.h"
+
+#define BUF_SIZE (gSessionData->mTotalBufferSize * 1024 * 1024)
+#define BUF_MASK (BUF_SIZE - 1)
+
+class Sender;
+
+class PerfBuffer {
+public:
+ PerfBuffer();
+ ~PerfBuffer();
+
+ bool useFd(const int cpu, const int fd, const int groupFd);
+ void discard(const int cpu);
+ bool isEmpty();
+ bool send(Sender *const sender);
+
+private:
+ void *mBuf[NR_CPUS];
+ // After the buffer is flushed it should be unmaped
+ bool mDiscard[NR_CPUS];
+
+ // Intentionally undefined
+ PerfBuffer(const PerfBuffer &);
+ PerfBuffer &operator=(const PerfBuffer &);
+};
+
+#endif // PERF_BUFFER