Messages in this thread | | | Date | Mon, 5 Dec 2022 17:53:54 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH linux-next v2] net: record times of netdev_budget exhausted |
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On Mon, 5 Dec 2022 09:36:12 +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 from netdev_budget exhausted and netdev_budget_usecs > elapsed, so add budget_exhaust to record netdev_budget exhausted. > > [1] commit 1da177e4c3f4("Linux-2.6.12-rc2") > [2] commit 7acf8a1e8a28("Replace 2 jiffies with sysctl netdev_budget_usecs to enable softirq tuning")
Same comments as on v1.
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