// SPDX-License-Identifier: GPL-2.0

#include "../../../util/pmu.h"
#include "../../../util/pmus.h"
#include "../../../util/tool_pmu.h"
#include <api/fs/fs.h>

u64 tool_pmu__cpu_slots_per_cycle(void)
{
        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 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;
}