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70360fad91
pmu_events_table__find() is no longer used so remove it and its Arm specific version. Signed-off-by: James Clark <james.clark@arm.com> Reviewed-by: Ian Rogers <irogers@google.com> Reviewed-by: John Garry <john.g.garry@oracle.com> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Eduard Zingerman <eddyz87@gmail.com> Cc: Will Deacon <will@kernel.org> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Haixin Yu <yuhaixin.yhx@linux.alibaba.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230913153355.138331-4-james.clark@arm.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <internal/cpumap.h>
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#include "../../../util/cpumap.h"
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#include "../../../util/header.h"
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#include "../../../util/pmu.h"
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#include "../../../util/pmus.h"
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#include <api/fs/fs.h>
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#include <math.h>
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const struct pmu_metrics_table *pmu_metrics_table__find(void)
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{
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struct perf_pmu *pmu;
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/* Metrics aren't currently supported on heterogeneous Arm systems */
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if (perf_pmus__num_core_pmus() > 1)
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return NULL;
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/* Doesn't matter which one here because they'll all be the same */
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pmu = perf_pmus__find_core_pmu();
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if (pmu)
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return perf_pmu__find_metrics_table(pmu);
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return NULL;
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}
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double perf_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 ? (double)slots : NAN;
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}
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