From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Yang, Qiming" <qiming.yang@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>,
"Xing, Beilei" <beilei.xing@intel.com>
Cc: "Yang, Qiming" <qiming.yang@intel.com>
Subject: RE: [PATCH] net/i40e: reduce the ITR interval of multi-driver mode
Date: Mon, 26 Dec 2022 05:50:20 +0000 [thread overview]
Message-ID: <DM4PR11MB5994C5C2627D723EB5AE6A44D7EC9@DM4PR11MB5994.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20221216031140.2913274-1-qiming.yang@intel.com>
> -----Original Message-----
> From: Qiming Yang <qiming.yang@intel.com>
> Sent: Friday, December 16, 2022 11:12 AM
> To: dev@dpdk.org; Xing, Beilei <beilei.xing@intel.com>
> Cc: Yang, Qiming <qiming.yang@intel.com>
> Subject: [PATCH] net/i40e: reduce the ITR interval of multi-driver mode
>
> This patch change the interrupt interval from 8160us to 32us to improve the
> performance of multi-driver mode.
>
> Signed-off-by: Qiming Yang <qiming.yang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Applied to dpdk-next-net-intel.
The patch also looks good for backporting, so added Cc stable tag.
Thanks
Qi
> ---
> drivers/net/i40e/i40e_ethdev.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
> index fe943a45ff..7c4cc44a27 100644
> --- a/drivers/net/i40e/i40e_ethdev.h
> +++ b/drivers/net/i40e/i40e_ethdev.h
> @@ -1497,7 +1497,7 @@ i40e_calc_itr_interval(bool is_pf, bool is_multi_drv)
> uint16_t interval = 0;
>
> if (is_multi_drv) {
> - interval = I40E_QUEUE_ITR_INTERVAL_MAX;
> + interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT;
> } else {
> if (is_pf)
> interval = I40E_QUEUE_ITR_INTERVAL_DEFAULT;
> --
> 2.25.1
next prev parent reply other threads:[~2022-12-26 5:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-16 3:11 Qiming Yang
2022-12-26 5:50 ` Zhang, Qi Z [this message]
2023-02-22 16:49 ` Kevin Traynor
2023-02-23 4:34 ` Zhang, Qi Z
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