Yabin Cui | 67d3abd | 2015-04-16 15:26:31 -0700 | [diff] [blame] | 1 | #!/usr/bin/python |
| 2 | # |
| 3 | # Copyright (C) 2015 The Android Open Source Project |
| 4 | # |
| 5 | # Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | # you may not use this file except in compliance with the License. |
| 7 | # You may obtain a copy of the License at |
| 8 | # |
| 9 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | # |
| 11 | # Unless required by applicable law or agreed to in writing, software |
| 12 | # distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | # See the License for the specific language governing permissions and |
| 15 | # limitations under the License. |
| 16 | # |
| 17 | |
| 18 | |
| 19 | def gen_event_type_entry_str(event_type_name, event_type, event_config): |
| 20 | """ |
| 21 | return string like: |
| 22 | {"cpu-cycles", PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES}, |
| 23 | """ |
| 24 | return '{"%s", %s, %s},\n' % (event_type_name, event_type, event_config) |
| 25 | |
| 26 | |
| 27 | def gen_hardware_events(): |
| 28 | hardware_configs = ["cpu-cycles", |
| 29 | "instructions", |
| 30 | "cache-references", |
| 31 | "cache-misses", |
| 32 | "branch-instructions", |
| 33 | "branch-misses", |
| 34 | "bus-cycles", |
| 35 | "stalled-cycles-frontend", |
| 36 | "stalled-cycles-backend", |
| 37 | ] |
| 38 | generated_str = "" |
| 39 | for config in hardware_configs: |
| 40 | event_type_name = config |
| 41 | event_config = "PERF_COUNT_HW_" + config.replace('-', '_').upper() |
| 42 | |
| 43 | generated_str += gen_event_type_entry_str( |
| 44 | event_type_name, "PERF_TYPE_HARDWARE", event_config) |
| 45 | |
| 46 | return generated_str |
| 47 | |
| 48 | |
| 49 | def gen_software_events(): |
| 50 | software_configs = ["cpu-clock", |
| 51 | "task-clock", |
| 52 | "page-faults", |
| 53 | "context-switches", |
| 54 | "cpu-migrations", |
| 55 | ["minor-faults", "PERF_COUNT_SW_PAGE_FAULTS_MIN"], |
| 56 | ["major-faults", "PERF_COUNT_SW_PAGE_FAULTS_MAJ"], |
| 57 | "alignment-faults", |
| 58 | "emulation-faults", |
| 59 | ] |
| 60 | generated_str = "" |
| 61 | for config in software_configs: |
| 62 | if type(config) is list: |
| 63 | event_type_name = config[0] |
| 64 | event_config = config[1] |
| 65 | else: |
| 66 | event_type_name = config |
| 67 | event_config = "PERF_COUNT_SW_" + config.replace('-', '_').upper() |
| 68 | |
| 69 | generated_str += gen_event_type_entry_str( |
| 70 | event_type_name, "PERF_TYPE_SOFTWARE", event_config) |
| 71 | |
| 72 | return generated_str |
| 73 | |
| 74 | |
| 75 | def gen_hw_cache_events(): |
| 76 | hw_cache_types = [["L1-dcache", "PERF_COUNT_HW_CACHE_L1D"], |
| 77 | ["L1-icache", "PERF_COUNT_HW_CACHE_L1I"], |
| 78 | ["LLC", "PERF_COUNT_HW_CACHE_LL"], |
| 79 | ["dTLB", "PERF_COUNT_HW_CACHE_DTLB"], |
| 80 | ["iTLB", "PERF_COUNT_HW_CACHE_ITLB"], |
| 81 | ["branch", "PERF_COUNT_HW_CACHE_BPU"], |
| 82 | ["node", "PERF_COUNT_HW_CACHE_NODE"], |
| 83 | ] |
| 84 | hw_cache_ops = [["loades", "load", "PERF_COUNT_HW_CACHE_OP_READ"], |
| 85 | ["stores", "store", "PERF_COUNT_HW_CACHE_OP_WRITE"], |
| 86 | ["prefetches", "prefetch", |
| 87 | "PERF_COUNT_HW_CACHE_OP_PREFETCH"], |
| 88 | ] |
| 89 | hw_cache_op_results = [["accesses", "PERF_COUNT_HW_CACHE_RESULT_ACCESS"], |
| 90 | ["misses", "PERF_COUNT_HW_CACHE_RESULT_MISS"], |
| 91 | ] |
| 92 | generated_str = "" |
| 93 | for (type_name, type_config) in hw_cache_types: |
| 94 | for (op_name_access, op_name_miss, op_config) in hw_cache_ops: |
| 95 | for (result_name, result_config) in hw_cache_op_results: |
| 96 | if result_name == "accesses": |
| 97 | event_type_name = type_name + '-' + op_name_access |
| 98 | else: |
| 99 | event_type_name = type_name + '-' + \ |
| 100 | op_name_miss + '-' + result_name |
| 101 | event_config = "((%s) | (%s << 8) | (%s << 16))" % ( |
| 102 | type_config, op_config, result_config) |
| 103 | generated_str += gen_event_type_entry_str( |
| 104 | event_type_name, "PERF_TYPE_HW_CACHE", event_config) |
| 105 | |
| 106 | return generated_str |
| 107 | |
| 108 | |
| 109 | def gen_events(): |
| 110 | generated_str = "// This file is auto-generated by generate-event_table.py.\n\n" |
| 111 | generated_str += gen_hardware_events() + '\n' |
| 112 | generated_str += gen_software_events() + '\n' |
| 113 | generated_str += gen_hw_cache_events() + '\n' |
| 114 | return generated_str |
| 115 | |
| 116 | generated_str = gen_events() |
| 117 | fh = open('event_type_table.h', 'w') |
| 118 | fh.write(generated_str) |
| 119 | fh.close() |