When we bind the ixgbevf to vfio and call the rte_eth_dev_rx_intr_enable
and rte_eth_dev_rx_intr_disable frequently, the interrupt setting
(msi_set_mask_bit) will take more CPU as show below. rte_intr_enable
call the ioctl to map the fd to interrupts frequently.
perf top:
5.45% [kernel] [k] msi
When we bind the ixgbevf to vfio and call the rte_eth_dev_rx_intr_enable
and rte_eth_dev_rx_intr_disable frequently, the interrupt setting
(msi_set_mask_bit) will take more CPU as show below. rte_intr_enable
call the ioctl to map the fd to interrupts frequently.
perf top:
5.45% [kernel] [k] msi
> -Original Message-
> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Tonghao Zhang
> Sent: Friday, January 5, 2018 10:11 PM
> To: dev@dpdk.org
> Cc: Tonghao Zhang
> Subject: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.
The patch is not onl
On Thu, Jan 11, 2018 at 3:06 PM, Xing, Beilei wrote:
>
>
>> -Original Message-
>> From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of Tonghao Zhang
>> Sent: Friday, January 5, 2018 10:11 PM
>> To: dev@dpdk.org
>> Cc: Tonghao Zhang
>> Subjec
rg] On Behalf Of Xing, Beilei
> Sent: Thursday, January 11, 2018 3:06 PM
> To: Tonghao Zhang ; dev@dpdk.org
> Subject: Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for
> rte_intr_enable.
>
>
>
> > -Original Message-
> > From: dev [mailto:dev-boun.
un...@dpdk.org] On Behalf Of Xing, Beilei
>> Sent: Thursday, January 11, 2018 3:06 PM
>> To: Tonghao Zhang ; dev@dpdk.org
>> Subject: Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for
>> rte_intr_enable.
>>
>>
>>
>> > -Original Message-
>&
6 matches
Mail list logo