Messages in this thread | | | Date | Wed, 7 Dec 2022 17:23:21 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH linux-next] net: record times of netdev_budget exhausted |
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On Thu, 8 Dec 2022 09:12:06 +0800 (CST) yang.yang29@zte.com.cn wrote: > > Sorry if this is too direct, but it seems to me like you're trying hard > > to find something useful to do in this area without a clear use case. > > I see maybe this is a too special scenes, not suitable. The motivation > is we see lots of time_squeeze on our working machines, and want to > tuning, but our kernel are not ready to use threaded NAPI. And we
Ah, in that cases I indeed misjudged, sorry.
> did see performance difference on different netdev_budget* in > preliminary tests.
Right, the budget values < 100 are quite impractical. Also as I said time_squeeze is a terrible metric, if you can find a direct metric in terms of application latency or max PPS, that's much more valuable.
> > We have coding tasks which would definitely be useful and which nobody > > has time to accomplish. Please ask if you're trying to find something > > to do. > > We focus on 5G telecom machine, which has huge TIPC packets in the > intranet. If it's related, we are glad to do it with much appreciate of your > indicate!
Oh, unfortunately most of the tasks we have are around driver infrastructure.
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