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111
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1 /*
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2 Copyright (c) 2014-2016 Intel Corporation. All Rights Reserved.
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3
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4 Redistribution and use in source and binary forms, with or without
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5 modification, are permitted provided that the following conditions
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6 are met:
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7
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8 * Redistributions of source code must retain the above copyright
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9 notice, this list of conditions and the following disclaimer.
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10 * Redistributions in binary form must reproduce the above copyright
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11 notice, this list of conditions and the following disclaimer in the
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12 documentation and/or other materials provided with the distribution.
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13 * Neither the name of Intel Corporation nor the names of its
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14 contributors may be used to endorse or promote products derived
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15 from this software without specific prior written permission.
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16
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17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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18 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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19 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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20 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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21 HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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22 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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23 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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24 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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25 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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26 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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27 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 */
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29
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30
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31 #include "offload_timer.h"
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32 #include "offload_target.h"
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33
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34 #ifdef __INTEL_COMPILER
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35 #include <ia32intrin.h>
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36 #else // __INTEL_COMPILER
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37 #include <x86intrin.h>
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38 #endif // __INTEL_COMPILER
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39
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40
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41
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42 int timer_enabled = 0;
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43
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44 #ifdef TIMING_SUPPORT
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45
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46 #if defined(LINUX) || defined(FREEBSD)
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47 static __thread OffloadTargetTimerData timer_data;
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48 #else // WINNT
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49 static __declspec(thread) OffloadTargetTimerData timer_data;
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50 #endif // defined(LINUX) || defined(FREEBSD)
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51
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52
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53 void offload_timer_start(
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54 OffloadTargetPhase p_type
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55 )
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56 {
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57 timer_data.phases[p_type].start = _rdtsc();
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58 }
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59
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60 void offload_timer_stop(
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61 OffloadTargetPhase p_type
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62 )
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63 {
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64 timer_data.phases[p_type].total += _rdtsc() -
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65 timer_data.phases[p_type].start;
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66 }
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67
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68 void offload_timer_init()
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69 {
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70 memset(&timer_data, 0, sizeof(OffloadTargetTimerData));
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71 }
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72
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73 void offload_timer_fill_target_data(
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74 void *buf
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75 )
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76 {
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77 uint64_t *data = (uint64_t*) buf;
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78
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79 timer_data.frequency = mic_frequency;
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80 memcpy(data++, &(timer_data.frequency), sizeof(uint64_t));
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81
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82 for (int i = 0; i < c_offload_target_max_phase; i++) {
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83 memcpy(data++, &(timer_data.phases[i].total), sizeof(uint64_t));
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84 }
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85 }
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86
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87 #endif // TIMING_SUPPORT
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