Re: [PATCH iwl-net] idpf: decrease statistics refresh interval
From: Alexander Lobakin
Date: Thu Jun 11 2026 - 11:59:39 EST
From: Danny Gonzalez <digonzal@xxxxxxxxxx>
Date: Thu, 11 Jun 2026 00:24:37 +0000
> The default 10s statistics refresh interval is too slow for real-time
> monitoring and causes network selftests (e.g., uso.py) to fail when
> verifying traffic immediately after transmission.
>
> A 10s delay also causes aliasing in telemetry tools polling at shorter
> intervals (e.g., 5s), leading to inaccurate rate calculations on
> high-throughput NICs.
>
> Decrease the refresh interval to 250ms to ensure fresh stats and fix
> test failures.
Have you tried a bit more conservate value like 1s? Wouldn't it be
enough for tests to pass?
250 ms is also okay, just curious.
>
> Tested: drivers/net/hw:uso.py now passes
> Fixes: a251eee62133 ("idpf: add SRIOV support and other ndo_ops")
> Signed-off-by: Danny Gonzalez <digonzal@xxxxxxxxxx>
Thanks,
Olek