From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: <dev@dpdk.org>, <jerin.jacob@caviumnetworks.com>,
<santosh.shukla@caviumnetworks.com>
Subject: Re: [dpdk-dev] [PATCH v2 0/5] Dynamic HW Mempool Detection Support
Date: Thu, 18 Jan 2018 17:17:17 +0530 [thread overview]
Message-ID: <7181c81d-869b-32d8-e767-2ac5012ce1a1@nxp.com> (raw)
In-Reply-To: <20180116150134.o3wgrsh4nhh7ptwq@platinum>
On 1/16/2018 8:31 PM, Olivier Matz wrote:
> On Mon, Jan 15, 2018 at 11:41:09AM +0530, Hemant Agrawal wrote:
>> W.r.t the multiple discussions in the past about the ability to
>> dynamically detect the HW mempool support. [1],[2] & [3]
>>
>> This patchset helps in removing the current static mempool selection
>> model and provides a flexible model to select the pktmbuf mempool
>> in more dynamic way.
>>
>> 1) This patchset updates the hw mempool on the basis of device probe()),
>> thus avoiding the need to specify the hw mempool in config file and
>> focing different binaries for diffirent config architectures.
>> 2) Selection of mempool ops though --mbuf-pool-ops-name (cmd line arg)
>> which can overridden the scheme(1)
>> 3) A new best mempool ops selection logic.
>> 4) A new wrapper for the pktmbuf_pool_create helper to take mempool ops
>> name as an argument as well.
>>
>> *Limitations and open points*
>>
>> It was suggested to add all APIs in librte_mbuf, currently internal_config
>> is storing the mempool_ops names. So internal_config is exported in this
>> patchset. An alternate would be to keep these APIs in eal only and access
>> them indirectly from librte_mbuf.
>
> Instead of storing the mempool_ops name in internal config, can't it be
> stored inside librte_mbuf? The eal code can call
> rte_mbuf_set_user_mempool_ops(name) while parsing the arguments.
I doubt that eal can call mbuf APIs. It will be a issue in shared build?
>
> It has to be done carefully so that it works with secondary processes.
>
>
>> Moreover, this logic can be further extended with addition for following
>> patch, which is still under discussion:
>>
>> The ethdev PMD capability exposed through existing
>> rte_eth_dev_pool_ops_supported() to select the update the mempool ops with
>> some "weight" based algorithm like:
>> http://dpdk.org/dev/patchwork/patch/32245/
>>
>> -----
>> [1]Multiple Pktmbuf mempool support
>> http://dpdk.org/ml/archives/dev/2017-September/076531.html
>> [2]Allow application set mempool handle
>> http://dpdk.org/ml/archives/dev/2017-June/067022.html
>> Other discussions
>> [3] http://dpdk.org/ml/archives/dev/2017-December/084775.html
>> ------
>> Changes in v2:
>> 1. Changed the active mempool to platform mempool
>> 2. Moved all the relavant APIs to librte_mbuf
>> 3. Added pktmbuf_create_pool_specific wrapper in this patch series.
>>
>> Hemant Agrawal (5):
>> eal: prefix mbuf pool ops name with user defined
>> eal: add platform mempool ops name in internal config
>> mbuf: support register mempool Hw ops name APIs
>> mbuf: pktmbuf pool create helper for specific mempool ops
>> mbuf: add user command line config mempools ops API
>>
>> doc/guides/rel_notes/deprecation.rst | 7 +++
>> lib/librte_eal/bsdapp/eal/eal.c | 4 +-
>> lib/librte_eal/common/eal_common_options.c | 3 +-
>> lib/librte_eal/common/eal_internal_cfg.h | 5 ++-
>> lib/librte_eal/linuxapp/eal/eal.c | 4 +-
>> lib/librte_eal/rte_eal_version.map | 1 +
>> lib/librte_mbuf/Makefile | 1 +
>> lib/librte_mbuf/rte_mbuf.c | 67 ++++++++++++++++++++++++---
>> lib/librte_mbuf/rte_mbuf.h | 72 ++++++++++++++++++++++++++++++
>
> I think the code to manage the user/platform mempool ops could
> go in a separate file. What about rte_mbuf_pool_ops.[ch] ?
>
Good suggestion.
next prev parent reply other threads:[~2018-01-18 11:47 UTC|newest]
Thread overview: 112+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-04 12:22 [dpdk-dev] [PATCH 0/2] Multiple Pktmbuf mempool support Hemant Agrawal
2017-07-04 12:22 ` [dpdk-dev] [PATCH 1/2] mempool: check the support for the given mempool Hemant Agrawal
2017-07-04 12:22 ` [dpdk-dev] [PATCH 2/2] mbuf: add support for preferred mempool list Hemant Agrawal
2017-09-22 7:13 ` [dpdk-dev] [PATCH 0/2] Multiple Pktmbuf mempool support Hemant Agrawal
2017-09-25 10:24 ` Olivier MATZ
2017-10-10 14:15 ` Thomas Monjalon
2017-10-10 14:21 ` Hemant Agrawal
2017-12-15 10:24 ` [dpdk-dev] [PATCH 0/2] Dynamic HW Mempool Detection Support Hemant Agrawal
2017-12-15 10:24 ` [dpdk-dev] [PATCH 1/2] mbuf: update default Mempool ops with HW active pool Hemant Agrawal
2017-12-15 15:52 ` Stephen Hemminger
2017-12-18 9:26 ` Hemant Agrawal
2017-12-18 8:55 ` Jerin Jacob
2017-12-18 9:36 ` Hemant Agrawal
2017-12-22 14:59 ` Olivier MATZ
2017-12-28 12:07 ` Hemant Agrawal
2018-01-10 12:49 ` Hemant Agrawal
2017-12-22 14:41 ` Olivier MATZ
2017-12-15 10:24 ` [dpdk-dev] [PATCH 2/2] dpaa2: register dpaa2 mempool ops as active mempool Hemant Agrawal
2017-12-18 8:57 ` Jerin Jacob
2017-12-18 9:25 ` Hemant Agrawal
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 0/5] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 1/5] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 2/5] eal: add platform mempool ops name in internal config Hemant Agrawal
2018-01-15 12:24 ` Jerin Jacob
2018-01-15 14:31 ` Hemant Agrawal
2018-01-15 16:26 ` Jerin Jacob
2018-01-16 15:04 ` Olivier Matz
2018-01-16 15:08 ` Jerin Jacob
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 3/5] mbuf: support register mempool Hw ops name APIs Hemant Agrawal
2018-01-15 11:41 ` Jerin Jacob
2018-01-15 14:24 ` Hemant Agrawal
2018-01-15 14:37 ` Jerin Jacob
2018-01-15 12:36 ` Jerin Jacob
2018-01-16 15:09 ` Olivier Matz
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 4/5] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-15 12:31 ` Jerin Jacob
2018-01-15 14:32 ` Hemant Agrawal
2018-01-15 6:11 ` [dpdk-dev] [PATCH v2 5/5] mbuf: add user command line config mempools ops API Hemant Agrawal
2018-01-15 12:29 ` Jerin Jacob
2018-01-15 14:35 ` Hemant Agrawal
2018-01-15 16:23 ` Jerin Jacob
2018-01-16 15:01 ` [dpdk-dev] [PATCH v2 0/5] Dynamic HW Mempool Detection Support Olivier Matz
2018-01-18 11:47 ` Hemant Agrawal [this message]
2018-01-18 13:42 ` Olivier Matz
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 0/7] " Hemant Agrawal
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-19 10:01 ` Olivier Matz
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 2/7] eal: add API to set user default mbuf mempool ops Hemant Agrawal
2018-01-19 10:01 ` Olivier Matz
2018-01-19 12:31 ` Hemant Agrawal
2018-01-19 12:43 ` Olivier Matz
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-19 10:01 ` Olivier Matz
2018-01-19 12:41 ` Hemant Agrawal
2018-01-19 13:10 ` Olivier Matz
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-19 10:01 ` Olivier Matz
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 6/7] dpaa2: register dpaa2 as platform HW mempool on runtime Hemant Agrawal
2018-01-18 13:26 ` [dpdk-dev] [PATCH v3 7/7] dpaa: register dpaa " Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-19 16:33 ` [dpdk-dev] [PATCH v4 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-22 13:23 ` Olivier Matz
2018-01-22 13:24 ` Hemant Agrawal
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-22 13:23 ` Olivier Matz
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-22 13:23 ` Olivier Matz
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-22 13:24 ` Olivier Matz
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-22 13:25 ` Olivier Matz
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-20 6:15 ` [dpdk-dev] [PATCH v5 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-22 14:43 ` santosh
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-22 14:47 ` santosh
2018-01-25 22:02 ` Thomas Monjalon
2018-01-26 5:10 ` Hemant Agrawal
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-22 14:49 ` santosh
2018-01-25 22:01 ` Thomas Monjalon
2018-01-26 5:10 ` Hemant Agrawal
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-22 14:51 ` santosh
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 5/7] app/testpmd: set preferred mempool as default pktpool Hemant Agrawal
2018-01-22 14:52 ` santosh
2018-01-25 22:04 ` Thomas Monjalon
2018-01-26 5:11 ` Hemant Agrawal
2018-01-26 7:43 ` Thomas Monjalon
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-22 13:51 ` [dpdk-dev] [PATCH v6 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 0/7] Dynamic HW Mempool Detection Support Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 1/7] eal: prefix mbuf pool ops name with user defined Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 2/7] mbuf: maintain user and compile time mempool ops name Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 3/7] mbuf: add pool ops name selection API helpers Hemant Agrawal
2018-01-29 8:44 ` Andrew Rybchenko
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 4/7] mbuf: pktmbuf pool create helper for specific mempool ops Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 5/7] app/testpmd: add debug to print preferred " Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 6/7] dpaa: register dpaa as platform HW mempool on runtime Hemant Agrawal
2018-01-29 8:10 ` [dpdk-dev] [PATCH v7 7/7] dpaa2: register dpaa2 " Hemant Agrawal
2018-01-29 18:03 ` [dpdk-dev] [PATCH v7 0/7] Dynamic HW Mempool Detection Support Thomas Monjalon
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