Messages in this thread | | | Date | Mon, 5 Dec 2022 17:53:14 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH linux-next] net: record times of netdev_budget exhausted |
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On Sat, 3 Dec 2022 16:12:05 +0800 (CST) yang.yang29@zte.com.cn wrote: > A long time ago time_squeeze was used to only record netdev_budget > exhausted[1]. Then we added netdev_budget_usecs to enable softirq > tuning[2]. And when polling elapsed netdev_budget_usecs, it's also > record by time_squeeze. > For tuning netdev_budget and netdev_budget_usecs respectively, we'd > better distinguish netdev_budget exhausted from netdev_budget_usecs > elapsed, so add a new recorder to record netdev_budget exhausted.
You're tuning netdev_budget and netdev_budget_usecs ? You need to say more because I haven't seen anyone do that before.
time_squeeze is extremely noisy and annoyingly useless, we need to understand exactly what you're doing before we accept any changes to this core piece of code.
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