Re: [PATCH 2/5] eal/ppc64: define architecture specific rdtsc hz

["Chao Zhu" <chaozhu@linux.vnet.ibm.com>]

> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com]
> Sent: 2017年8月13日 15:04
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; bruce.richardson@intel.com;
> konstantin.ananyev@intel.com; viktorin@rehivetech.com;
> jianbo.liu@linaro.org; chaozhu@linux.vnet.ibm.com; Jerin Jacob
> <jerin.jacob@caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH 2/5] eal/ppc64: define architecture specific
rdtsc hz
> 
> CC: Chao Zhu <chaozhu@linux.vnet.ibm.com>
> Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> ---
>  lib/librte_eal/common/include/arch/ppc_64/rte_cycles.h | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/lib/librte_eal/common/include/arch/ppc_64/rte_cycles.h
> b/lib/librte_eal/common/include/arch/ppc_64/rte_cycles.h
> index 8fa6fc60b..20243fb29 100644
> --- a/lib/librte_eal/common/include/arch/ppc_64/rte_cycles.h
> +++ b/lib/librte_eal/common/include/arch/ppc_64/rte_cycles.h
> @@ -79,6 +79,19 @@ rte_rdtsc(void)
>  	return tsc.tsc_64;
>  }
> 
> +/**
> + * Get the number of rdtsc cycles in one second if the architecture
supports.
> + *
> + * @return
> + *   The number of rdtsc cycles in one second. Return zero if the
architecture
> + *   support is not available.
> + */
> +static inline uint64_t
> +rte_rdtsc_arch_hz(void)
> +{
> +	return 0;
> +}
> +
>  static inline uint64_t
>  rte_rdtsc_precise(void)
>  {
> --
> 2.14.0
Acked-by: Chao Zhu <chaozhu@linux.vnet.ibm.com>