On 6/9/21 3:09 PM, Gaetan Rivet wrote:
> Similar to what was done for the PMD threads [1], reduce the performance
> impact of quiescing too often in the offload thread.
>
> After each processed offload, the offload thread currently quiesce and
> will sync with RCU. This synchronization can be lengthy and make the
> thread unnecessary slow.
>
> Instead attempt to quiesce every 10 ms at most. While the queue is
> empty, the offload thread remains quiescent.
>
> [1]: 81ac8b3b194c ("dpif-netdev: Do RCU synchronization at fixed interval
> in PMD main loop.")
>
> Signed-off-by: Gaetan Rivet <[email protected]>
> Reviewed-by: Eli Britstein <[email protected]>
> ---
> lib/dpif-netdev.c | 17 +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
Thanks for the fix:
Reviewed-by: Maxime Coquelin <[email protected]>
Thanks,
Maxime
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