From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Jia He <hejianet@gmail.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: About pmu cycle counter usage in armv8
Date: Mon, 11 Dec 2017 12:02:00 +0530 [thread overview]
Message-ID: <20171211063159.GA18145@jerin> (raw)
In-Reply-To: <ef945dcf-7198-b897-eae6-4720e5f4bf6c@gmail.com>
-----Original Message-----
> Date: Mon, 11 Dec 2017 14:23:54 +0800
> From: Jia He <hejianet@gmail.com>
> To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
> Cc: "dev@dpdk.org" <dev@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.
prev parent reply other threads:[~2017-12-11 6:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-11 5:38 About pmu cycle counter usage in armv8 Jia He
2017-12-11 5:59 ` Jerin Jacob
2017-12-11 6:23 ` Jia He
2017-12-11 6:32 ` Jerin Jacob [this message]
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