On Thu, Oct 12, 2017 at 4:18 PM, Alexei Starovoitov
wrote:
> On Thu, Oct 12, 2017 at 03:48:07PM -0700, Cong Wang wrote:
>> We need a real-time notification for tcp retransmission
>> for monitoring.
>>
>> Of course we could use ftrace to dynamically instrument this
>> kernel function too, however w
On Thu, Oct 12, 2017 at 03:48:07PM -0700, Cong Wang wrote:
> We need a real-time notification for tcp retransmission
> for monitoring.
>
> Of course we could use ftrace to dynamically instrument this
> kernel function too, however we can't retrieve the connection
> information at the same time, fo
We need a real-time notification for tcp retransmission
for monitoring.
Of course we could use ftrace to dynamically instrument this
kernel function too, however we can't retrieve the connection
information at the same time, for example perf-tools [1] reads
/proc/net/tcp for socket details, which