Jakub Kicinski <[email protected]> writes:
> Longer packet sequence tests are quite flaky when the test is run > over a real network. Try to avoid at least the jitter on the sender > side by scheduling all the packets to be sent at once using SO_TXTIME. > Use hardcoded tx time of 5msec in the future. In my test increasing > this time past 2msec makes no difference so 5msec is plenty of margin. > Since we now expect more output buffering make sure to raise SNDBUF. > > Experimenting with long sequences I see frequent failures when sending > 200 packets, only 50-100 packets get coalesced. With this change > up to 1000 packets get coalesced relatively reliably. > > Signed-off-by: Jakub Kicinski <[email protected]> Reviewed-by: Petr Machata <[email protected]>
