27 lines
629 B
C
27 lines
629 B
C
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// SPDX-License-Identifier: GPL-2.0
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#include "../../../util/pmu.h"
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#include "../../../util/pmus.h"
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#include "../../../util/tool_pmu.h"
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#include <api/fs/fs.h>
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u64 tool_pmu__cpu_slots_per_cycle(void)
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{
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char path[PATH_MAX];
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unsigned long long slots = 0;
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struct perf_pmu *pmu = perf_pmus__find_core_pmu();
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if (pmu) {
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perf_pmu__pathname_scnprintf(path, sizeof(path),
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pmu->name, "caps/slots");
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/*
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* The value of slots is not greater than 32 bits, but
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* filename__read_int can't read value with 0x prefix,
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* so use filename__read_ull instead.
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*/
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filename__read_ull(path, &slots);
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}
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return slots;
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}
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