]> Git Repo - linux.git/blob - tools/perf/arch/x86/util/env.c
treewide: remove meaningless assignments in Makefiles
[linux.git] / tools / perf / arch / x86 / util / env.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include "linux/string.h"
3 #include "util/env.h"
4 #include "env.h"
5
6 bool x86__is_amd_cpu(void)
7 {
8         struct perf_env env = { .total_mem = 0, };
9         static int is_amd; /* 0: Uninitialized, 1: Yes, -1: No */
10
11         if (is_amd)
12                 goto ret;
13
14         perf_env__cpuid(&env);
15         is_amd = env.cpuid && strstarts(env.cpuid, "AuthenticAMD") ? 1 : -1;
16         perf_env__exit(&env);
17 ret:
18         return is_amd >= 1 ? true : false;
19 }
This page took 0.030955 seconds and 4 git commands to generate.