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+/*
+ * Copyright (c) 2017 ARM Limited.
+ *
+ * SPDX-License-Identifier: MIT
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef ARM_COMPUTE_TEST_PMU
+#define ARM_COMPUTE_TEST_PMU
+
+#include "arm_compute/core/Error.h"
+
+#include <cstdint>
+#include <linux/perf_event.h>
+#include <stdexcept>
+#include <unistd.h>
+
+namespace arm_compute
+{
+namespace test
+{
+namespace framework
+{
+/** Class provides access to CPU hardware counters. */
+class PMU
+{
+public:
+ /** Default constructor. */
+ PMU();
+
+ /** Create PMU with specified counter.
+ *
+ * This constructor automatically calls @ref open with the default
+ * configuration.
+ *
+ * @param[in] config Counter identifier.
+ */
+ explicit PMU(uint64_t config);
+
+ /** Default destructor. */
+ ~PMU();
+
+ /** Get the counter value.
+ *
+ * @return Counter value casted to the specified type. */
+ template <typename T>
+ T get_value() const;
+
+ /** Open the specified counter based on the default configuration. */
+ void open(uint64_t config);
+
+ /** Open the specified configuration. */
+ void open(const perf_event_attr &perf_config);
+
+ /** Close the currently open counter. */
+ void close();
+
+ /** Reset counter. */
+ void reset();
+
+private:
+ perf_event_attr _perf_config;
+ long _fd{ -1 };
+};
+
+template <typename T>
+T PMU::get_value() const
+{
+ T value{};
+ const ssize_t result = read(_fd, &value, sizeof(T));
+
+ ARM_COMPUTE_ERROR_ON_MSG(result == -1, "Can't get PMU counter value: %d", errno);
+ ARM_COMPUTE_UNUSED(result);
+
+ return value;
+}
+} // namespace framework
+} // namespace test
+} // namespace arm_compute
+#endif /* ARM_COMPUTE_TEST_PMU */