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Diffstat (limited to 'tests/benchmark/PMUCounter.cpp')
-rw-r--r-- | tests/benchmark/PMUCounter.cpp | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/tests/benchmark/PMUCounter.cpp b/tests/benchmark/PMUCounter.cpp deleted file mode 100644 index 6d59dae65d..0000000000 --- a/tests/benchmark/PMUCounter.cpp +++ /dev/null @@ -1,145 +0,0 @@ -/* - * 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. - */ -#include "PMUCounter.h" - -#include "Utils.h" -#include "support/ToolchainSupport.h" - -#define _GNU_SOURCE 1 -#include <asm/unistd.h> -#include <csignal> -#include <cstdio> -#include <cstdlib> -#include <cstring> -#include <fcntl.h> -#include <linux/hw_breakpoint.h> -#include <linux/perf_event.h> -#include <stdexcept> -#include <sys/ioctl.h> -#include <unistd.h> - -namespace arm_compute -{ -namespace test -{ -namespace benchmark -{ -CycleCounter::CycleCounter() -{ - const pid_t pid = getpid(); - - struct perf_event_attr perf_config - { - }; - memset(&perf_config, 0, sizeof(struct perf_event_attr)); - - perf_config.config = PERF_COUNT_HW_CPU_CYCLES; - perf_config.size = sizeof(struct perf_event_attr); - perf_config.type = PERF_TYPE_HARDWARE; - // The inherit bit specifies that this counter should count events of child - // tasks as well as the task specified - perf_config.inherit = 1; - // Enables saving of event counts on context switch for inherited tasks - perf_config.inherit_stat = 1; - - _fd = syscall(__NR_perf_event_open, &perf_config, pid, -1, -1, 0); - - if(_fd < 0) - { - throw std::runtime_error("perf_event_open for cycles failed"); - } -} - -std::string CycleCounter::id() const -{ - return "Cycle Counter"; -} - -void CycleCounter::start() -{ - ioctl(_fd, PERF_EVENT_IOC_RESET, 0); - ioctl(_fd, PERF_EVENT_IOC_ENABLE, 0); -} - -void CycleCounter::stop() -{ - ioctl(_fd, PERF_EVENT_IOC_DISABLE, 0); - read(_fd, &_cycles, sizeof(_cycles)); -} - -std::unique_ptr<Instrument::IMeasurement> CycleCounter::get_measurement() const -{ - return support::cpp14::make_unique<Instrument::Measurement<long long>>(_cycles); -} - -InstructionCounter::InstructionCounter() -{ - const pid_t pid = getpid(); - - struct perf_event_attr perf_config - { - }; - memset(&perf_config, 0, sizeof(struct perf_event_attr)); - - perf_config.config = PERF_COUNT_HW_INSTRUCTIONS; - perf_config.size = sizeof(struct perf_event_attr); - perf_config.type = PERF_TYPE_HARDWARE; - // The inherit bit specifies that this counter should count events of child - // tasks as well as the task specified - perf_config.inherit = 1; - // Enables saving of event counts on context switch for inherited tasks - perf_config.inherit_stat = 1; - - _fd = syscall(__NR_perf_event_open, &perf_config, pid, -1, -1, 0); - - if(_fd < 0) - { - throw std::runtime_error("perf_event_open for instructions failed"); - } -} - -std::string InstructionCounter::id() const -{ - return "Instruction Counter"; -} - -void InstructionCounter::start() -{ - ioctl(_fd, PERF_EVENT_IOC_RESET, 0); - ioctl(_fd, PERF_EVENT_IOC_ENABLE, 0); -} - -void InstructionCounter::stop() -{ - ioctl(_fd, PERF_EVENT_IOC_DISABLE, 0); - read(_fd, &_instructions, sizeof(_instructions)); -} - -std::unique_ptr<Instrument::IMeasurement> InstructionCounter::get_measurement() const -{ - return std::unique_ptr<Instrument::IMeasurement>(new Instrument::Measurement<long long>(_instructions)); -} -} // namespace benchmark -} // namespace test -} // namespace arm_compute |