netdev - Re: question on pktgen shutdown logic.

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Message-ID: <519D5A36.6030000@candelatech.com>
Date:	Wed, 22 May 2013 16:52:22 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
CC:	netdev <netdev@...r.kernel.org>
Subject: Re: question on pktgen shutdown logic.

On 05/22/2013 04:35 PM, Eric Dumazet wrote:
> On Wed, 2013-05-22 at 16:28 -0700, Ben Greear wrote:
>
>> Ahh, so it waits for the pktgen_thread_worker method to return?
>>
>> Why do we bother with the pktgen_exiting flag at all...it
>> would seem that just checking kthread_should_stop() would
>> do the trick?
>
> If you have 4096 cpus, setting pktgen_exiting permits all pktgen exiting
> faster.
>
> Otherwise you wait about 400 seconds (4096 * HZ/10)

Ok, I think I understand now.

Thanks,
Ben

>
>


-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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