From: "Qiu, Michael" <michael.qiu@intel.com>
To: "Van Haaren, Harry" <harry.van.haaren@intel.com>,
"david.marchand@6wind.com" <david.marchand@6wind.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [PATCH] eal: add function to check if primary proc alive
Date: Tue, 26 Jan 2016 02:25:15 +0000 [thread overview]
Message-ID: <533710CFB86FA344BFBF2D6802E6028622F221CB@SHSMSX101.ccr.corp.intel.com> (raw)
In-Reply-To: E923DB57A917B54B9182A2E928D00FA612861F17@IRSMSX102.ger.corp.intel.com
On 1/25/2016 7:51 PM, Van Haaren, Harry wrote:
>> From: Qiu, Michael
>> Subject: Re: [dpdk-dev] [PATCH] eal: add function to check if primary proc alive
>>
>> So secondary will waste a whole lcore to do such polling?
> Not really, the secondary process will need some CPU,
> however it can sleep so it doesn't have to use 100% of it.
> It shouldn't be run on a core that is used by the primary
> for packet-forwarding though - that will impact performance.
If not, what will happen if the primary been killed after you check
alive? At that time, the secondary may be doing some work need primary
alive.
Thanks,
Michael
> -Harry
>
next prev parent reply other threads:[~2016-01-26 2:25 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 13:25 [PATCH] eal: add function to check if primary proc alive Harry van Haaren
2016-01-21 6:14 ` Qiu, Michael
2016-01-21 6:19 ` Matthew Hall
2016-01-21 9:02 ` Van Haaren, Harry
2016-01-22 17:37 ` Bruce Richardson
2016-01-25 8:06 ` Qiu, Michael
2016-01-25 11:44 ` Van Haaren, Harry
2016-01-26 19:13 ` Bruce Richardson
2016-01-27 10:35 ` Van Haaren, Harry
2016-01-25 8:11 ` Qiu, Michael
2016-01-25 11:51 ` Van Haaren, Harry
2016-01-26 2:25 ` Qiu, Michael [this message]
2016-01-26 9:04 ` Van Haaren, Harry
2016-01-26 11:07 ` Qiu, Michael
2016-01-26 11:19 ` Van Haaren, Harry
2016-01-27 10:31 ` [PATCH v2] " Harry van Haaren
2016-02-02 14:11 ` [PATCH v3] " Harry van Haaren
2016-02-23 14:10 ` [PATCH v4] " Harry van Haaren
2016-02-24 13:50 ` Tahhan, Maryam
2016-03-04 18:07 ` Thomas Monjalon
2016-03-07 11:37 ` [PATCH v5] " Harry van Haaren
2016-03-07 12:02 ` [PATCH v6] " Harry van Haaren
2016-03-08 8:42 ` David Marchand
2016-03-08 9:58 ` Van Haaren, Harry
2016-03-08 11:13 ` Thomas Monjalon
2016-03-08 11:19 ` David Marchand
2016-03-08 13:57 ` Van Haaren, Harry
2016-03-08 14:40 ` David Marchand
2016-03-08 17:07 ` [PATCH v7 0/2] eal: add function to check primary alive Harry van Haaren
2016-03-08 17:07 ` [PATCH v7 1/2] eal: fix race-condition in pri/sec proc startup Harry van Haaren
2016-03-08 17:07 ` [PATCH v7 2/2] eal: add function to check if primary proc alive Harry van Haaren
2016-03-09 10:12 ` [PATCH v8 0/2] eal: add function to check primary alive Harry van Haaren
2016-03-09 10:12 ` [PATCH v8 1/2] eal: fix race-condition in pri/sec proc startup Harry van Haaren
2016-03-09 13:23 ` Sergio Gonzalez Monroy
2016-03-09 10:12 ` [PATCH v8 2/2] eal: add function to check if primary proc alive Harry van Haaren
2016-03-09 11:07 ` [PATCH v8 0/2] eal: add function to check primary alive David Marchand
2016-03-09 12:59 ` Sergio Gonzalez Monroy
2016-03-09 13:37 ` [PATCH v9 " Harry van Haaren
2016-03-09 13:37 ` [PATCH v9 1/2] eal: fix race-condition in pri/sec proc startup Harry van Haaren
2016-03-09 14:27 ` Sergio Gonzalez Monroy
2016-03-09 13:37 ` [PATCH v9 2/2] eal: add function to check if primary proc alive Harry van Haaren
2016-03-09 15:02 ` Thomas Monjalon
2016-03-09 15:17 ` [PATCH v9 0/2] eal: add function to check primary alive Thomas Monjalon
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