Re: [dpdk-dev] [PATCH] net/mlx5: fix imissed counter overflow issue

Hi, > -Original Message- > From: Jiawei Wang > Sent: Monday, March 30, 2020 6:02 AM > To: Slava Ovsiienko ; Matan Azrad > ; Jiawei(Jonny) Wang > Cc: Raslan Darawsheh ; dev@dpdk.org; > sta...@dpdk.org > Subject: [PATCH] net/mlx5: fix imissed counter overflow issue > > The Hw counters is

Re: [dpdk-dev] [PATCH] net/mlx5: fix imissed counter overflow issue

> -Original Message- > From: Jiawei Wang > Sent: Monday, March 30, 2020 6:02 > To: Slava Ovsiienko ; Matan Azrad > ; Jiawei(Jonny) Wang > Cc: Raslan Darawsheh ; dev@dpdk.org; > sta...@dpdk.org > Subject: [PATCH] net/mlx5: fix imissed counter overflow issue > > The Hw counters is defined

[dpdk-dev] [PATCH] net/mlx5: fix imissed counter overflow issue

The Hw counters is defined as 32bit unsigned value and read from the sysfs. Firstly read the base value while application start, then fetch the new value while do query and minus the base value. If the new value is less than base value, will result in the a negative value and convert to the big val