[dpdk-dev] How to dump DPDK log?

Sam batmanustc at gmail.com
Thu May 17 04:26:41 CEST 2018


How to set this param...

I use this, but report me bug:

sudo /usr/local/bin/ovs-vsctl --no-wait set Open_vSwitch .
other_config:dpdk-extra="--log-level=user1,debug -c 0x40004 -n 4
--socket-mem 1024 -w 0000:01:00.0 -w 0000:01:00.1"

Bug:

2018-05-17T02:23:21.878Z|00010|dpdk|INFO|EAL ARGS: ovs-vswitchd
--log-level=user1,debug -c 0x40004 -n 4 --socket-mem 1024 -w 0000:01:00.0
-w 0000:01:00.1
2018-05-17T02:23:21.878Z|00011|dpdk|ERR|EAL: invalid parameters for
--log-level
2018-05-17T02:23:21.879Z|00012|dpdk|INFO|EAL: Detected 32 lcore(s)
2018-05-17T02:23:21.879Z|00013|dpdk|ERR|EAL: invalid parameters for
--log-level

2018-05-17T02:23:04.374Z|00010|dpdk|INFO|EAL ARGS: ovs-vswitchd
--log-level="user1,debug" -c 0x40004 -n 4 --socket-mem 1024 -w 0000:01:00.0
-w 0000:01:00.1
2018-05-17T02:23:04.374Z|00011|dpdk|ERR|EAL: invalid parameters for
--log-level
2018-05-17T02:23:04.375Z|00012|dpdk|INFO|EAL: Detected 32 lcore(s)
2018-05-17T02:23:04.375Z|00013|dpdk|ERR|EAL: invalid parameters for
--log-level

2018-05-16 21:29 GMT+08:00 Ferruh Yigit <ferruh.yigit at intel.com>:

> On 5/16/2018 9:30 AM, Sam wrote:
> > I want DPDK VHOST module DEBUG level log
> >
> > 2018-05-16 16:27 GMT+08:00 Sam <batmanustc at gmail.com>:
> >
> >> Hi all,
> >>
> >> I'm debugging OVS2.9.0 and DPDK18.02, I found I could not dump DPDK log
> >> like vhost module.
> >>
> >> How can I dump DPDK log into files? Thank you~
> >>
>
> (Unfortunately) vhost module doesn't register its log type but uses USER1
> log
> type [1].
>
> Need to set user1 log type to debug, following eal parameter should work:
> --log-level="user1,debug"
>
> Same can be done with logging related APIs by application
>
>
> [1]
> https://dpdk.org/browse/dpdk/tree/lib/librte_vhost/vhost.h?
> h=v18.05-rc4#n351
>


More information about the dev mailing list