DPDK patches and discussions
 help / color / mirror / Atom feed
From: "Chao Zhu" <chaozhu@linux.vnet.ibm.com>
To: "'Jerin Jacob'" <jerin.jacob@caviumnetworks.com>, <dev@dpdk.org>
Cc: <thomas@monjalon.net>, <bruce.richardson@intel.com>,
	<konstantin.ananyev@intel.com>, <viktorin@rehivetech.com>,
	<jianbo.liu@linaro.org>
Subject: Re: [dpdk-dev] [PATCH 2/5] eal/ppc64: define architecture specific rdtsc hz
Date: Thu, 28 Sep 2017 09:53:40 +0800	[thread overview]
Message-ID: <000501d337fc$9d134b50$d739e1f0$@linux.vnet.ibm.com> (raw)
In-Reply-To: <20170813070350.13700-3-jerin.jacob@caviumnetworks.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>

  reply	other threads:[~2017-09-28  1:53 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-13  7:03 [dpdk-dev] [PATCH 0/5] improve tsc frequency calibration Jerin Jacob
2017-08-13  7:03 ` [dpdk-dev] [PATCH 1/5] eal/x86: define architecture specific rdtsc hz Jerin Jacob
2017-09-18 12:54   ` Burakov, Anatoly
2017-08-13  7:03 ` [dpdk-dev] [PATCH 2/5] eal/ppc64: " Jerin Jacob
2017-09-28  1:53   ` Chao Zhu [this message]
2017-08-13  7:03 ` [dpdk-dev] [PATCH 3/5] eal/armv7: " Jerin Jacob
2017-08-13  7:03 ` [dpdk-dev] [PATCH 4/5] eal/armv8: " Jerin Jacob
2017-08-15  3:35   ` Jianbo Liu
2017-08-13  7:03 ` [dpdk-dev] [PATCH 5/5] eal/timer: honor architecture specific rdtsc hz function Jerin Jacob

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='000501d337fc$9d134b50$d739e1f0$@linux.vnet.ibm.com' \
    --to=chaozhu@linux.vnet.ibm.com \
    --cc=bruce.richardson@intel.com \
    --cc=dev@dpdk.org \
    --cc=jerin.jacob@caviumnetworks.com \
    --cc=jianbo.liu@linaro.org \
    --cc=konstantin.ananyev@intel.com \
    --cc=thomas@monjalon.net \
    --cc=viktorin@rehivetech.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).