Negative latency of mysql requests

[ishanmkh]

// filing on behalf of @berilane-te @shashank-te

Describe the bug
Some mysql traces show very large negative latency values

To Reproduce
Ran "Sample HTTP Data" script

Expected behavior
Shouldn't be negative :)

Logs
n/a

App information (please complete the following information):

• Pixie version: v0.1.18

Additional context

• pixie internal issue: https://pixie-labs.atlassian.net/browse/PL-1563 cc @oazizi000 @yzhao1012

[oazizi000]

This is a known issue due to false classification of certain traffic as MySQL. When the traffic is eventually determined not to be MySQL, the messages go away.

The warning should not be printed in the first place though.

[oazizi000]

Clarifying further, the warning above refers to a warning in the logs that corresponds to the negative latency observed in the table.

The root cause of both is the false classification of traffic as MySQL.

[ishanmkh]

Addressed in v0.1.21 release. Closing