Re: [RFC PATCH RESEND] tools/perf: Add Hygon Dhyana support

From: Borislav Petkov
Date: Mon Nov 12 2018 - 06:09:28 EST


On Mon, Nov 12, 2018 at 03:40:51PM +0800, Pu Wen wrote:
> The tool perf is useful for the performance analysis on the Hygon Dhyana
> platform. But right now there is no Hygon support for it to analyze the
> KVM guest os data. So add Hygon Dhyana support to it by checking vendor

acme, pls fix that to "OS" when applying. Thx.

> string to share the code path of AMD.
>
> Signed-off-by: Pu Wen <puwen@xxxxxxxx>
> ---
> tools/perf/arch/x86/util/kvm-stat.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Borislav Petkov <bp@xxxxxxx>

> diff --git a/tools/perf/arch/x86/util/kvm-stat.c b/tools/perf/arch/x86/util/kvm-stat.c
> index b32409a..081353d 100644
> --- a/tools/perf/arch/x86/util/kvm-stat.c
> +++ b/tools/perf/arch/x86/util/kvm-stat.c
> @@ -156,7 +156,7 @@ int cpu_isa_init(struct perf_kvm_stat *kvm, const char *cpuid)
> if (strstr(cpuid, "Intel")) {
> kvm->exit_reasons = vmx_exit_reasons;
> kvm->exit_reasons_isa = "VMX";
> - } else if (strstr(cpuid, "AMD")) {
> + } else if (strstr(cpuid, "AMD") || strstr(cpuid, "Hygon")) {
> kvm->exit_reasons = svm_exit_reasons;
> kvm->exit_reasons_isa = "SVM";
> } else
> --
> 2.7.4
>

--
Regards/Gruss,
Boris.

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