Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-13 Thread Tonghao Zhang
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- >&

Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-12 Thread Dai, Wei
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.

Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-11 Thread Tonghao Zhang
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

Re: [dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-10 Thread Xing, Beilei
> -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

[dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-05 Thread Tonghao Zhang
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

[dpdk-dev] [PATCH 4/5] net/ixgbevf: add check for rte_intr_enable.

2018-01-05 Thread Tonghao Zhang
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