| John Garry | e126bef | 2021-04-07 18:32:47 +0800 | [diff] [blame^] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | |
| 3 | #include "../../util/cpumap.h" |
| 4 | #include "../../util/pmu.h" |
| 5 | |
| 6 | struct pmu_events_map *pmu_events_map__find(void) |
| 7 | { |
| 8 | struct perf_pmu *pmu = NULL; |
| 9 | |
| 10 | while ((pmu = perf_pmu__scan(pmu))) { |
| 11 | if (!is_pmu_core(pmu->name)) |
| 12 | continue; |
| 13 | |
| 14 | /* |
| 15 | * The cpumap should cover all CPUs. Otherwise, some CPUs may |
| 16 | * not support some events or have different event IDs. |
| 17 | */ |
| 18 | if (pmu->cpus->nr != cpu__max_cpu()) |
| 19 | return NULL; |
| 20 | |
| 21 | return perf_pmu__find_map(pmu); |
| 22 | } |
| 23 | |
| 24 | return NULL; |
| 25 | } |