mirror of
https://github.com/openharmony/resourceschedule_ffrt.git
synced 2026-08-24 18:26:04 -04:00
linyu
62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/*
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* Copyright (c) 2023 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FFRT_TESTCASE_UTIL_HPP
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#define FFRT_TESTCASE_UTIL_HPP
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#include <chrono>
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#include <functional>
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static inline void stall_us(size_t us)
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{
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auto start = std::chrono::steady_clock::now();
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size_t passed = 0;
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while (passed < us) {
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passed =
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std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now() - start).count();
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}
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}
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/**
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* @brief Get the proc memory
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*
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* @param pid
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* @return uint32_t KB
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*/
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uint32_t get_proc_memory(pid_t pid); // KB
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void set_cur_process_cpu_affinity(int cpuid);
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void set_cur_thread_cpu_affinity(int cpuid);
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/*
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* perf event counter
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*/
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struct perf_event2_read_format {
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uint64_t nr; // counter num=2
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uint64_t values[2]; // counter value
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};
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int perf_event2(std::function<void()> func, struct perf_event2_read_format& data, uint32_t event1, uint32_t event2);
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int perf_single_event(std::function<void()> func, size_t& count, uint32_t event);
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int perf_event_instructions(std::function<void()> func, size_t& count);
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int perf_event_cycles(std::function<void()> func, size_t& count);
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int perf_event_branch_instructions(std::function<void()> func, size_t& count);
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int perf_event_branch_misses(std::function<void()> func, size_t& count);
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#endif |