1/* 2 Copyright (c) 2014 Intel Corporation. All Rights Reserved. 3 4 Redistribution and use in source and binary forms, with or without 5 modification, are permitted provided that the following conditions 6 are met: 7 8 * Redistributions of source code must retain the above copyright 9 notice, this list of conditions and the following disclaimer. 10 * Redistributions in binary form must reproduce the above copyright 11 notice, this list of conditions and the following disclaimer in the 12 documentation and/or other materials provided with the distribution. 13 * Neither the name of Intel Corporation nor the names of its 14 contributors may be used to endorse or promote products derived 15 from this software without specific prior written permission. 16 17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28*/ 29 30 31#include "offload_timer.h" 32#include "offload_target.h" 33 34#ifdef __INTEL_COMPILER 35#include <ia32intrin.h> 36#else // __INTEL_COMPILER 37#include <x86intrin.h> 38#endif // __INTEL_COMPILER 39 40 41 42int timer_enabled = 0; 43 44#ifdef TIMING_SUPPORT 45 46#if defined(LINUX) || defined(FREEBSD) 47static __thread OffloadTargetTimerData timer_data; 48#else // WINNT 49static __declspec(thread) OffloadTargetTimerData timer_data; 50#endif // defined(LINUX) || defined(FREEBSD) 51 52 53void offload_timer_start( 54 OffloadTargetPhase p_type 55) 56{ 57 timer_data.phases[p_type].start = _rdtsc(); 58} 59 60void offload_timer_stop( 61 OffloadTargetPhase p_type 62) 63{ 64 timer_data.phases[p_type].total += _rdtsc() - 65 timer_data.phases[p_type].start; 66} 67 68void offload_timer_init() 69{ 70 memset(&timer_data, 0, sizeof(OffloadTargetTimerData)); 71} 72 73void offload_timer_fill_target_data( 74 void *buf 75) 76{ 77 uint64_t *data = (uint64_t*) buf; 78 79 timer_data.frequency = mic_frequency; 80 memcpy(data++, &(timer_data.frequency), sizeof(uint64_t)); 81 82 for (int i = 0; i < c_offload_target_max_phase; i++) { 83 memcpy(data++, &(timer_data.phases[i].total), sizeof(uint64_t)); 84 } 85} 86 87#endif // TIMING_SUPPORT 88