[ovs-dev] How to dump DPDK log?

[Sam]

Is this to enable debug log in DPDK?

diff --git a/config/common_base b/config/common_base
index 5f2ad94..ecbfb3f 100644
--- a/config/common_base
+++ b/config/common_base
@@ -93,8 +93,8 @@ CONFIG_RTE_MAX_NUMA_NODES=8
 CONFIG_RTE_MAX_MEMSEG=256
 CONFIG_RTE_MAX_MEMZONE=2560
 CONFIG_RTE_MAX_TAILQ=32
-CONFIG_RTE_LOG_LEVEL=RTE_LOG_INFO
-CONFIG_RTE_LOG_DP_LEVEL=RTE_LOG_INFO
+CONFIG_RTE_LOG_LEVEL=RTE_LOG_DEBUG
+CONFIG_RTE_LOG_DP_LEVEL=RTE_LOG_DEBUG
 CONFIG_RTE_LOG_HISTORY=256
 CONFIG_RTE_LIBEAL_USE_HPET=n
 CONFIG_RTE_EAL_ALLOW_INV_SOCKET_ID=n
@@ -651,7 +651,7 @@ CONFIG_RTE_LIBRTE_KNI=n
 CONFIG_RTE_LIBRTE_PMD_KNI=n
 CONFIG_RTE_KNI_KMOD=n
 CONFIG_RTE_KNI_KMOD_ETHTOOL=n
-CONFIG_RTE_KNI_PREEMPT_DEFAULT=y
+CONFIG_RTE_KNI_PREEMPT_DEFAULT=n

 #
 # Compile the pdump library
@@ -661,9 +661,9 @@ CONFIG_RTE_LIBRTE_PDUMP=y
 #
 # Compile vhost user library
 #
-CONFIG_RTE_LIBRTE_VHOST=n
+CONFIG_RTE_LIBRTE_VHOST=y
 CONFIG_RTE_LIBRTE_VHOST_NUMA=n
-CONFIG_RTE_LIBRTE_VHOST_DEBUG=n
+CONFIG_RTE_LIBRTE_VHOST_DEBUG=y

2018-05-16 20:04 GMT+08:00 Eelco Chaudron <echaudro at redhat.com>:

> On 16/05/18 10:30, Sam wrote:
>
>> I want DPDK VHOST module DEBUG level log
>>
> First make sure you build DPDK with debug logging enabled, than you can
> set the debug level using appctl.
>
> ovs-appctl vlog/list | grep dpdk
> ovs-appctl vlog/set file:dpdk:dbg
>
> Logs should be in the ovs-vswitchd.log.
>
> //Eelco
>
> 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~
>>>
>>> _______________________________________________
>> dev mailing list
>> dev at openvswitch.org
>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>>
>
>
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