diff options
Diffstat (limited to 'tools/perf/arch/arm64/util/pmu.c')
| -rw-r--r-- | tools/perf/arch/arm64/util/pmu.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c index 477e513972a4..895fb0d0610c 100644 --- a/tools/perf/arch/arm64/util/pmu.c +++ b/tools/perf/arch/arm64/util/pmu.c @@ -1,26 +1,26 @@ // SPDX-License-Identifier: GPL-2.0 -#include <internal/cpumap.h> -#include "../../../util/cpumap.h" #include "../../../util/pmu.h" +#include "../../../util/pmus.h" +#include "../../../util/tool_pmu.h" +#include <api/fs/fs.h> -const struct pmu_events_table *pmu_events_table__find(void) +u64 tool_pmu__cpu_slots_per_cycle(void) { - struct perf_pmu *pmu = NULL; - - while ((pmu = perf_pmu__scan(pmu))) { - if (!is_pmu_core(pmu->name)) - continue; + char path[PATH_MAX]; + unsigned long long slots = 0; + struct perf_pmu *pmu = perf_pmus__find_core_pmu(); + if (pmu) { + perf_pmu__pathname_scnprintf(path, sizeof(path), + pmu->name, "caps/slots"); /* - * The cpumap should cover all CPUs. Otherwise, some CPUs may - * not support some events or have different event IDs. + * 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. */ - if (pmu->cpus->nr != cpu__max_cpu().cpu) - return NULL; - - return perf_pmu__find_table(pmu); + filename__read_ull(path, &slots); } - return NULL; + return slots; } |