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