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| 1 | + |
| 2 | +#ifndef _H_KOKKOSP_KERNEL_INFO |
| 3 | +#define _H_KOKKOSP_KERNEL_INFO |
| 4 | + |
| 5 | +#include <stdio.h> |
| 6 | +#include <string> |
| 7 | +#include <cstring> |
| 8 | +#include <unistd.h> |
| 9 | + |
| 10 | +#if defined(__GXX_ABI_VERSION) |
| 11 | +#define HAVE_GCC_ABI_DEMANGLE |
| 12 | +#endif |
| 13 | + |
| 14 | +#if defined(HAVE_GCC_ABI_DEMANGLE) |
| 15 | +#include <cxxabi.h> |
| 16 | +#endif // HAVE_GCC_ABI_DEMANGLE |
| 17 | + |
| 18 | +#include "kp_kernel_timer.h" |
| 19 | + |
| 20 | +#include <ldms/ldms.h> |
| 21 | +#include <ldms/ldmsd_stream.h> |
| 22 | +#include <ovis_util/util.h> |
| 23 | + |
| 24 | +char* demangleName(char* kernelName) |
| 25 | +{ |
| 26 | +#if defined(HAVE_GCC_ABI_DEMANGLE) |
| 27 | + int status = -1; |
| 28 | + char* demangledKernelName = abi::__cxa_demangle(kernelName, NULL, NULL, &status); |
| 29 | + if (status==0) { |
| 30 | + free(kernelName); |
| 31 | + kernelName = demangledKernelName; |
| 32 | + } |
| 33 | +#endif // HAVE_GCC_ABI_DEMANGLE |
| 34 | + return kernelName; |
| 35 | +} |
| 36 | + |
| 37 | +enum KernelExecutionType { |
| 38 | + PARALLEL_FOR = 0, |
| 39 | + PARALLEL_REDUCE = 1, |
| 40 | + PARALLEL_SCAN = 2, |
| 41 | + REGION = 3 |
| 42 | +}; |
| 43 | + |
| 44 | +static uint64_t kernel_ex = 0; |
| 45 | +static double total_time = 0; |
| 46 | + |
| 47 | +class KernelPerformanceInfo { |
| 48 | + public: |
| 49 | + |
| 50 | + KernelPerformanceInfo(std::string kName, KernelExecutionType kernelType, ldms_t* the_ldms, |
| 51 | + const char* node_name, |
| 52 | + const int rank_no, |
| 53 | + const int job_id, |
| 54 | + const double job_start, |
| 55 | + const uint64_t job_epoch_start, |
| 56 | + const uint16_t kernel_nest_level, |
| 57 | + const int tool_verbosity, |
| 58 | + bool* ldms_global_publish): |
| 59 | + kType(kernelType), ldms(the_ldms), |
| 60 | + nodename(node_name), rank(rank_no), |
| 61 | + jobid(job_id), jobStartTime(job_start), |
| 62 | + jobStartEpochTimeMS(job_epoch_start), |
| 63 | + nestingLevel(kernel_nest_level), |
| 64 | + verbosity(tool_verbosity), |
| 65 | + ldms_publish(ldms_global_publish) { |
| 66 | + |
| 67 | + kernelName = (char*) malloc(sizeof(char) * (kName.size() + 1)); |
| 68 | + strcpy(kernelName, kName.c_str()); |
| 69 | + |
| 70 | + callCount = 0; |
| 71 | + |
| 72 | + const char* tool_sample_rate = getenv("KOKKOS_SAMPLER_RATE"); |
| 73 | + kernelSampleRate = 0; |
| 74 | + |
| 75 | + if (NULL != tool_sample_rate) { |
| 76 | + kernelSampleRate = atoi(tool_sample_rate); |
| 77 | + } else { |
| 78 | + kernelSampleRate = 1; |
| 79 | + } |
| 80 | + } |
| 81 | + |
| 82 | + ~KernelPerformanceInfo() { |
| 83 | + free(kernelName); |
| 84 | + } |
| 85 | + |
| 86 | + KernelExecutionType getKernelType() { |
| 87 | + return kType; |
| 88 | + } |
| 89 | + |
| 90 | + void incrementCount() { |
| 91 | + callCount++; |
| 92 | + kernel_ex++; |
| 93 | + } |
| 94 | + |
| 95 | + void addTime(double t) { |
| 96 | + timeSq += (t*t); |
| 97 | + total_time += t; |
| 98 | + } |
| 99 | + |
| 100 | + void addFromTimer() { |
| 101 | + const double now = seconds(); |
| 102 | + const double sample_time = now - startTime; |
| 103 | + addTime(sample_time); |
| 104 | + incrementCount(); |
| 105 | + |
| 106 | + if( (*ldms_publish) ) { |
| 107 | + const int buffer_size = (NULL == kernelName) ? 4096 : |
| 108 | + ( strlen(kernelName) > 3072 ? 2048 + strlen(kernelName) : 4096 ); |
| 109 | + |
| 110 | + char* big_buffer = (char*) malloc( sizeof(char) * buffer_size ); |
| 111 | + |
| 112 | + double epoch_stamp = (double) jobStartEpochTimeMS; |
| 113 | + epoch_stamp += static_cast<double>( now - jobStartTime ) * 1000.0; |
| 114 | + epoch_stamp = epoch_stamp / 1000.0; |
| 115 | + |
| 116 | + snprintf( big_buffer, buffer_size, "{ \"job-id\" : %d, \"node-name\" : \"%s\", \"rank\" : %d, \"timestamp\" : \"%.6f\", \"kokkos-perf-data\" : [ { \"name\" : \"%s\", \"type\" : %d, \"current-kernel-count\" : %llu, \"total-kernel-count\" : %llu, \"level\" : %u, \"current-kernel-time\" : %.9f, \"total-kernel-time\" : %.9f } ] }\n", |
| 117 | + jobid, nodename, rank, epoch_stamp, |
| 118 | + (NULL==kernelName) ? "" : kernelName, |
| 119 | + (int) kType, callCount, kernel_ex * kernelSampleRate, nestingLevel, sample_time, total_time ); |
| 120 | + |
| 121 | + if( verbosity > 0 ) { |
| 122 | + printf("%s", big_buffer); |
| 123 | + } |
| 124 | + |
| 125 | + int rc = ldmsd_stream_publish( (*ldms), "kokkos-perf-data", LDMSD_STREAM_JSON, |
| 126 | + big_buffer, strlen(big_buffer) + 1); |
| 127 | + |
| 128 | + //int rc = ldmsd_stream_publish( (*ldms), "kokkos-perf-data", LDMSD_STREAM_JSON, big_buffer, strlen(big_buffer) + 1); |
| 129 | + // always check your return codes :p |
| 130 | + free( big_buffer ); |
| 131 | + } |
| 132 | + } |
| 133 | + |
| 134 | + void startTimer() { |
| 135 | + startTime = seconds(); |
| 136 | + } |
| 137 | + |
| 138 | + uint64_t getCallCount() { |
| 139 | + return callCount; |
| 140 | + } |
| 141 | + |
| 142 | + double getTime() { |
| 143 | + return time; |
| 144 | + } |
| 145 | + |
| 146 | + double getTimeSq() { |
| 147 | + return timeSq; |
| 148 | + } |
| 149 | + |
| 150 | + char* getName() { |
| 151 | + return kernelName; |
| 152 | + } |
| 153 | + |
| 154 | + |
| 155 | + private: |
| 156 | + char* kernelName; |
| 157 | + uint64_t callCount; |
| 158 | + double time; |
| 159 | + double timeSq; |
| 160 | + double startTime; |
| 161 | + double jobStartTime; |
| 162 | + |
| 163 | + uint64_t kernelSampleRate; |
| 164 | + |
| 165 | + KernelExecutionType kType; |
| 166 | + ldms_t* ldms; |
| 167 | + |
| 168 | + bool* ldms_publish; |
| 169 | + const uint16_t nestingLevel; |
| 170 | + const char* nodename; |
| 171 | + const int rank; |
| 172 | + const int jobid; |
| 173 | + const int verbosity; |
| 174 | + const uint64_t jobStartEpochTimeMS; |
| 175 | +}; |
| 176 | + |
| 177 | +#endif |
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