20 lines
421 B
C
20 lines
421 B
C
// SPDX-License-Identifier: GPL-2.0
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#include "linux/string.h"
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#include "util/env.h"
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#include "env.h"
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bool x86__is_amd_cpu(void)
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{
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struct perf_env env = { .total_mem = 0, };
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static int is_amd; /* 0: Uninitialized, 1: Yes, -1: No */
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if (is_amd)
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goto ret;
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perf_env__cpuid(&env);
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is_amd = env.cpuid && strstarts(env.cpuid, "AuthenticAMD") ? 1 : -1;
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perf_env__exit(&env);
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ret:
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return is_amd >= 1 ? true : false;
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}
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