1 // Copyright 2016 The Chromium OS Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "perf_test_files.h" 6 7 namespace perf_test_files { 8 9 const std::vector<const char*>& GetPerfDataFiles() { 10 static const std::vector<const char*>* files = new std::vector<const char*>{ 11 // The following perf data contains the following event types, as passed 12 // to perf record via the -e option: 13 // - cycles 14 // - instructions 15 // - cache-references 16 // - cache-misses 17 // - branches 18 // - branch-misses 19 20 // Obtained with "perf record -- echo > /dev/null" 21 "perf.data.singleprocess-3.4", 22 23 // Obtained with "perf record -a -- sleep $N", for N in {0, 1, 5}. 24 "perf.data.systemwide.0-3.4", 25 #ifdef TEST_LARGE_PERF_DATA 26 "perf.data.systemwide.1-3.4", 27 "perf.data.systemwide.5-3.4", 28 29 // Obtained with "perf record -a -- sleep $N", for N in {0, 1, 5}. 30 // While in the background, this loop is running: 31 // while true; do ls > /dev/null; done 32 "perf.data.busy.0-3.4", 33 "perf.data.busy.1-3.4", 34 "perf.data.busy.5-3.4", 35 #endif // defined(TEST_LARGE_PERF_DATA) 36 37 // Obtained with "perf record -a -- sleep 2" 38 // While in the background, this loop is running: 39 // while true; do restart powerd; sleep .2; done 40 "perf.data.forkexit-3.4", 41 42 #ifdef TEST_CALLGRAPH 43 // Obtained with "perf record -a -g -- sleep 2" 44 "perf.data.callgraph-3.4", 45 #endif 46 // Obtained with "perf record -a -b -- sleep 2" 47 "perf.data.branch-3.4", 48 #ifdef TEST_CALLGRAPH 49 // Obtained with "perf record -a -g -b -- sleep 2" 50 "perf.data.callgraph_and_branch-3.4", 51 #endif 52 53 // Obtained with "perf record -a -R -- sleep 2" 54 "perf.data.raw-3.4", 55 #ifdef TEST_CALLGRAPH 56 // Obtained with "perf record -a -R -g -b -- sleep 2" 57 "perf.data.raw_callgraph_branch-3.4", 58 #endif 59 60 // Data from other architectures. 61 "perf.data.i686-3.4", // 32-bit x86 62 "perf.data.armv7-3.4", // ARM v7 63 64 // Same as above, obtained from a system running kernel v3.8. 65 "perf.data.singleprocess-3.8", 66 "perf.data.systemwide.0-3.8", 67 #ifdef TEST_LARGE_PERF_DATA 68 "perf.data.systemwide.1-3.8", 69 "perf.data.systemwide.5-3.8", 70 "perf.data.busy.0-3.8", 71 "perf.data.busy.1-3.8", 72 "perf.data.busy.5-3.8", 73 #endif // defined(TEST_LARGE_PERF_DATA) 74 75 "perf.data.forkexit-3.8", 76 #ifdef TEST_CALLGRAPH 77 "perf.data.callgraph-3.8", 78 #endif 79 "perf.data.branch-3.8", 80 #ifdef TEST_CALLGRAPH 81 "perf.data.callgraph_and_branch-3.8", 82 #endif 83 "perf.data.armv7.perf_3.14-3.8", // ARM v7 obtained using perf 3.14. 84 85 // Obtained from a system that uses NUMA topology. 86 "perf.data.numatopology-3.2", 87 88 // Obtained to test GROUP_DESC feature 89 "perf.data.group_desc-4.4", 90 91 // Perf data that contains hardware and software events. 92 // Command: 93 // perf record -a -c 1000000 -e cycles,branch-misses,cpu-clock -- \ 94 // sleep 2 95 // HW events are cycles and branch-misses, SW event is cpu-clock. 96 // This also tests non-consecutive event types. 97 "perf.data.hw_and_sw-3.4", 98 99 // This test first mmap()s a DSO, then fork()s to copy the mapping to the 100 // child and then modifies the mapping by mmap()ing a DSO on top of the 101 // old one. It then records SAMPLEs events in the child. It ensures the 102 // SAMPLEs in the child are attributed to the first DSO that was mmap()ed, 103 // not the second one. 104 "perf.data.remmap-3.2", 105 106 // This is sample with a frequency higher than the max frequency, so it 107 // has throttle and unthrottle events. 108 "perf.data.throttle-3.8", 109 110 // Perf data that contains intel pt events from perf-4.14 111 // Command: 112 // perf record -e intel_pt// -e cycles -o /tmp/perf.data.intel_pt-4.14 113 // -- echo "Hello, World!" 114 "perf.data.intel_pt-4.14", 115 }; 116 return *files; 117 } 118 119 const std::vector<const char*>& GetPerfPipedDataFiles() { 120 static const std::vector<const char*>* files = new std::vector<const char*>{ 121 "perf.data.piped.target-3.4", 122 "perf.data.piped.target.throttled-3.4", 123 "perf.data.piped.target-3.8", 124 125 /* Piped data that contains hardware and software events. 126 * Command: 127 * perf record -a -c 1000000 -e cycles,branch-misses,cpu-clock -o - \ 128 * -- sleep 2 129 * HW events are cycles and branch-misses, SW event is cpu-clock. 130 */ 131 "perf.data.piped.hw_and_sw-3.4", 132 133 // Piped data with extra data at end. 134 "perf.data.piped.extrabyte-3.4", 135 "perf.data.piped.extradata-3.4", 136 137 // Perf data that contains intel pt events collected in piped mode from 138 // perf-4.14 139 // Command: 140 // perf record -e intel_pt// -e cycles -o - -- echo "Hello, World!" | \ 141 // cat &> /tmp/perf.data.piped.intel_pt-4.14 142 "perf.data.piped.intel_pt-4.14", 143 }; 144 return *files; 145 } 146 147 const std::vector<const char*>& GetCorruptedPerfPipedDataFiles() { 148 static const std::vector<const char*>* files = new std::vector<const char*>{ 149 // Has a SAMPLE event with size set to zero. Don't go into an infinite 150 // loop. 151 "perf.data.piped.corrupted.zero_size_sample-3.2", 152 }; 153 return *files; 154 } 155 156 const std::vector<const char*>& GetPerfDataProtoFiles() { 157 static const std::vector<const char*>* files = new std::vector<const char*>{ 158 "perf.callgraph.pb_text", 159 }; 160 return *files; 161 } 162 163 } // namespace perf_test_files 164
