diff options
author | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
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committer | Mark Brown <[email protected]> | 2023-07-17 06:12:31 +0100 |
commit | 0791faebfe750292a8a842b64795a390ca4a3b51 (patch) | |
tree | 0e6095a5a0130398b0693bddfdc421c41eebda7c /tools/perf/arch/x86/util/env.c | |
parent | e8bf1741c14eb8e4a4e1364d45aeeab66660ab9b (diff) | |
parent | fdf0eaf11452d72945af31804e2a1048ee1b574c (diff) |
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Diffstat (limited to 'tools/perf/arch/x86/util/env.c')
-rw-r--r-- | tools/perf/arch/x86/util/env.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/env.c b/tools/perf/arch/x86/util/env.c new file mode 100644 index 000000000000..3e537ffb1353 --- /dev/null +++ b/tools/perf/arch/x86/util/env.c @@ -0,0 +1,19 @@ +// 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; +} |