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

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Date:   Mon, 12 Nov 2018 12:09:23 +0100
From:   Borislav Petkov <bp@...en8.de>
To:     Pu Wen <puwen@...on.cn>, acme@...nel.org
Cc:     peterz@...radead.org, mingo@...nel.org,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Subject: Re: [RFC PATCH RESEND] tools/perf: Add Hygon Dhyana support

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@...on.cn>
> ---
>  tools/perf/arch/x86/util/kvm-stat.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Borislav Petkov <bp@...e.de>

> 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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