5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
30 lines
573 B
C
30 lines
573 B
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2005-2017 Andes Technology Corporation
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#include <stdio.h>
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#include <stdlib.h>
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#include <api/fs/fs.h>
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#include "header.h"
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#define STR_LEN 1024
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char *get_cpuid_str(struct perf_pmu *pmu)
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{
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/* In nds32, we only have one cpu */
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char *buf = NULL;
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struct cpu_map *cpus;
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const char *sysfs = sysfs__mountpoint();
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if (!sysfs || !pmu || !pmu->cpus)
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return NULL;
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buf = malloc(STR_LEN);
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if (!buf)
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return NULL;
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cpus = cpu_map__get(pmu->cpus);
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sprintf(buf, "0x%x", cpus->nr - 1);
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cpu_map__put(cpus);
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return buf;
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}
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