| // SPDX-License-Identifier: GPL-2.0 |
| |
| #include <internal/cpumap.h> |
| #include "../../../util/cpumap.h" |
| #include "../../../util/header.h" |
| #include "../../../util/pmu.h" |
| #include "../../../util/pmus.h" |
| #include <api/fs/fs.h> |
| #include <math.h> |
| |
| const struct pmu_metrics_table *pmu_metrics_table__find(void) |
| { |
| struct perf_pmu *pmu = pmu__find_core_pmu(); |
| |
| if (pmu) |
| return perf_pmu__find_metrics_table(pmu); |
| |
| return NULL; |
| } |
| |
| const struct pmu_events_table *pmu_events_table__find(void) |
| { |
| struct perf_pmu *pmu = pmu__find_core_pmu(); |
| |
| if (pmu) |
| return perf_pmu__find_events_table(pmu); |
| |
| return NULL; |
| } |
| |
| double perf_pmu__cpu_slots_per_cycle(void) |
| { |
| char path[PATH_MAX]; |
| unsigned long long slots = 0; |
| struct perf_pmu *pmu = pmu__find_core_pmu(); |
| |
| if (pmu) { |
| perf_pmu__pathname_scnprintf(path, sizeof(path), |
| pmu->name, "caps/slots"); |
| /* |
| * The value of slots is not greater than 32 bits, but |
| * filename__read_int can't read value with 0x prefix, |
| * so use filename__read_ull instead. |
| */ |
| filename__read_ull(path, &slots); |
| } |
| |
| return slots ? (double)slots : NAN; |
| } |