[dpdk-dev] About pmu cycle counter usage in armv8
Jerin Jacob
jerin.jacob at caviumnetworks.com
Mon Dec 11 07:32:00 CET 2017
-----Original Message-----
> Date: Mon, 11 Dec 2017 14:23:54 +0800
> From: Jia He <hejianet at gmail.com>
> To: Jerin Jacob <jerin.jacob at caviumnetworks.com>
> Cc: "dev at dpdk.org" <dev at dpdk.org>
> Subject: Re: About pmu cycle counter usage in armv8
> User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101
> Thunderbird/52.5.0
>
> Hi Jerin
Hi Jia.
>
> Ok
>
> And I wonder why you haven't met such problem (all rd_tsc() is 0)in your
> test platform?
>
> Did you use an old kernel (older than v4.5-rc1)?
I am using 4.9 kernel base.
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