88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
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/*
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Copyright (c) 2014 Intel Corporation. All Rights Reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "offload_timer.h"
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#include "offload_target.h"
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#ifdef __INTEL_COMPILER
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#include <ia32intrin.h>
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#else // __INTEL_COMPILER
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#include <x86intrin.h>
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#endif // __INTEL_COMPILER
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int timer_enabled = 0;
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#ifdef TIMING_SUPPORT
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#if defined(LINUX) || defined(FREEBSD)
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static __thread OffloadTargetTimerData timer_data;
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#else // WINNT
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static __declspec(thread) OffloadTargetTimerData timer_data;
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#endif // defined(LINUX) || defined(FREEBSD)
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void offload_timer_start(
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OffloadTargetPhase p_type
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)
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{
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timer_data.phases[p_type].start = _rdtsc();
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}
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void offload_timer_stop(
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OffloadTargetPhase p_type
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)
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{
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timer_data.phases[p_type].total += _rdtsc() -
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timer_data.phases[p_type].start;
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}
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void offload_timer_init()
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{
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memset(&timer_data, 0, sizeof(OffloadTargetTimerData));
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}
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void offload_timer_fill_target_data(
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void *buf
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)
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{
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uint64_t *data = (uint64_t*) buf;
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timer_data.frequency = mic_frequency;
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memcpy(data++, &(timer_data.frequency), sizeof(uint64_t));
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for (int i = 0; i < c_offload_target_max_phase; i++) {
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memcpy(data++, &(timer_data.phases[i].total), sizeof(uint64_t));
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}
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}
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#endif // TIMING_SUPPORT
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