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From: Yongseok Koh <yskoh@mellanox.com>
To: Thomas Monjalon <thomas@monjalon.net>
Cc: Pavan Nikhilesh <pbhagavatula@marvell.com>,
	Jerin Jacob <jerinj@marvell.com>, dev <dev@dpdk.org>,
	"jerinjacobk@gmail.com" <jerinjacobk@gmail.com>,
	"bruce.richardson@intel.com" <bruce.richardson@intel.com>
Subject: Re: [dpdk-dev] [PATCH v8 2/4] meson: add infra to support machine specific flags
Date: Fri, 12 Apr 2019 01:59:04 +0000	[thread overview]
Message-ID: <815F48D0-E35D-4DD7-B795-582538D0BF4E@mellanox.com> (raw)
In-Reply-To: <7046361.HPUSkOkSIl@xps>


> On Apr 11, 2019, at 4:37 PM, Thomas Monjalon <thomas@monjalon.net> wrote:
> 
> 10/04/2019 18:13, jerinjacobk@gmail.com:
>> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
>> 
>> Currently, RTE_* flags are set based on the implementer ID but there might
>> be some micro arch specific differences from the same vendor
>> eg. CACHE_LINESIZE. Add support to set micro arch specific flags.
> 
> I don't like how flags are set in config/arm/meson.build.
> It is a real mess to find which flag applies to which machine.
> Adding the flags_*_extra in the machine_args_* is adding more mess.
> 
> [...]
>> flags_common_default = [
>> 	# Accelarate rte_memcpy. Be sure to run unit test (memcpy_perf_autotest)
>> 	# to determine the best threshold in code. Refer to notes in source file
>> @@ -52,12 +33,10 @@ flags_generic = [
>> 	['RTE_USE_C11_MEM_MODEL', true],
>> 	['RTE_CACHE_LINE_SIZE', 128]]
>> flags_cavium = [
>> -	['RTE_MACHINE', '"thunderx"'],
>> 	['RTE_CACHE_LINE_SIZE', 128],
>> 	['RTE_MAX_NUMA_NODES', 2],
>> 	['RTE_MAX_LCORE', 96],
>> -	['RTE_MAX_VFIO_GROUPS', 128],
>> -	['RTE_USE_C11_MEM_MODEL', false]]
>> +	['RTE_MAX_VFIO_GROUPS', 128]]
>> flags_dpaa = [
>> 	['RTE_MACHINE', '"dpaa"'],
>> 	['RTE_USE_C11_MEM_MODEL', true],
>> @@ -71,6 +50,27 @@ flags_dpaa2 = [
>> 	['RTE_MAX_NUMA_NODES', 1],
>> 	['RTE_MAX_LCORE', 16],
>> 	['RTE_LIBRTE_DPAA2_USE_PHYS_IOVA', false]]
>> +flags_default_extra = []
>> +flags_thunderx_extra = [
>> +	['RTE_MACHINE', '"thunderx"'],
>> +	['RTE_USE_C11_MEM_MODEL', false]]
>> +
>> +machine_args_generic = [
>> +	['default', ['-march=armv8-a+crc+crypto']],
>> +	['native', ['-march=native']],
>> +	['0xd03', ['-mcpu=cortex-a53']],
>> +	['0xd04', ['-mcpu=cortex-a35']],
>> +	['0xd07', ['-mcpu=cortex-a57']],
>> +	['0xd08', ['-mcpu=cortex-a72']],
>> +	['0xd09', ['-mcpu=cortex-a73']],
>> +	['0xd0a', ['-mcpu=cortex-a75']]]
>> +
>> +machine_args_cavium = [
>> +	['default', ['-march=armv8-a+crc+crypto','-mcpu=thunderx']],
>> +	['native', ['-march=native']],
>> +	['0xa1', ['-mcpu=thunderxt88'], flags_thunderx_extra],
>> +	['0xa2', ['-mcpu=thunderxt81'], flags_thunderx_extra],
>> +	['0xa3', ['-mcpu=thunderxt83'], flags_thunderx_extra]]
> 
> I think we should have a simpler model.
> We need only to know the machine name and get all the related machine config.
> In native compilation, machine name is guessed from implementor id and pn

It can be guessed unless machine name is specified as an option.
We can add machine_name option?
One observation. We do have machine option but it isn't used much for arm.
And in config/arm/meson.build, march_opt isn't used either.

> (from config/arm/armv8_machine.py). We can directly output the machine name
> from this script and leave the naming logic in this script.
> In the cross-compilation config files (config/arm/*),
> we can just specify the machine name.
> Then every machine config (machine_args and dpdk_conf) would be specified
> in some arrays based on the machine name.
> Of course, we can keep some common default values.
> 
> Thoughts?

Sounds like we can cleanly reorganize it with the suggestion.

Thanks,
Yongseok

  parent reply	other threads:[~2019-04-12  1:59 UTC|newest]

Thread overview: 154+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-06 13:20 [dpdk-dev] [PATCH 1/3] mk: introduce helper to check valid compiler argument Jerin Jacob Kollanukkaran
2019-01-06 13:20 ` [dpdk-dev] [PATCH 2/3] config: add thunderx2 machine config Jerin Jacob Kollanukkaran
2019-01-06 20:56   ` Thomas Monjalon
2019-01-07  5:27     ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-01-07  0:21   ` [dpdk-dev] " Gavin Hu (Arm Technology China)
2019-01-07  5:29     ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-01-06 13:20 ` [dpdk-dev] [PATCH 3/3] config: add octeontx2 " Jerin Jacob Kollanukkaran
2019-01-07 15:42 ` [dpdk-dev] [PATCH v2 1/6] mk: introduce helper to check valid compiler argument Pavan Nikhilesh Bhagavatula
2019-01-07 15:42   ` [dpdk-dev] [PATCH v2 2/6] config: add thunderx2 machine config Pavan Nikhilesh Bhagavatula
2019-01-07 15:42   ` [dpdk-dev] [PATCH v2 3/6] config: add octeontx2 " Pavan Nikhilesh Bhagavatula
2019-01-07 15:42   ` [dpdk-dev] [PATCH v2 4/6] meson: add infra to support machine specific flags Pavan Nikhilesh Bhagavatula
2019-01-07 15:42   ` [dpdk-dev] [PATCH v2 5/6] meson: add thunderx2 machine config Pavan Nikhilesh Bhagavatula
2019-01-07 16:57     ` Thomas Monjalon
2019-01-07 15:42   ` [dpdk-dev] [PATCH v2 6/6] meson: add octeontx2 " Pavan Nikhilesh Bhagavatula
2019-01-09 10:19 ` [dpdk-dev] [PATCH v3 1/4] mk: introduce helper to check valid compiler argument Pavan Nikhilesh Bhagavatula
2019-01-09 10:19   ` [dpdk-dev] [PATCH v3 2/4] meson: add infra to support machine specific flags Pavan Nikhilesh Bhagavatula
2019-01-09 10:19   ` [dpdk-dev] [PATCH v3 3/4] config: add thunderx2 machine config Pavan Nikhilesh Bhagavatula
2019-01-09 10:19   ` [dpdk-dev] [PATCH v3 4/4] config: add octeontx2 " Pavan Nikhilesh Bhagavatula
2019-01-09 10:19   ` [dpdk-dev] [PATCH v3 5/5] meson: add cross build targets for thunderx2 and octeontx2 Pavan Nikhilesh Bhagavatula
2019-01-09 10:39 ` [dpdk-dev] [PATCH v4 1/5] mk: introduce helper to check valid compiler argument Pavan Nikhilesh Bhagavatula
2019-01-09 10:39   ` [dpdk-dev] [PATCH v4 2/5] meson: add infra to support machine specific flags Pavan Nikhilesh Bhagavatula
2019-01-14 11:32     ` Thomas Monjalon
2019-02-12  8:06     ` Phil Yang (Arm Technology China)
2019-02-12  8:35       ` [dpdk-dev] [EXT] " Pavan Nikhilesh Bhagavatula
2019-01-09 10:39   ` [dpdk-dev] [PATCH v4 3/5] config: add thunderx2 machine config Pavan Nikhilesh Bhagavatula
2019-01-09 10:39   ` [dpdk-dev] [PATCH v4 4/5] config: add octeontx2 " Pavan Nikhilesh Bhagavatula
2019-02-12  8:50     ` Phil Yang (Arm Technology China)
2019-01-09 10:39   ` [dpdk-dev] [PATCH v4 5/5] meson: add cross build targets for thunderx2 and octeontx2 Pavan Nikhilesh Bhagavatula
2019-01-14 11:28     ` Thomas Monjalon
2019-01-14 11:35   ` [dpdk-dev] [PATCH v4 1/5] mk: introduce helper to check valid compiler argument Thomas Monjalon
2019-01-14 11:56     ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran
2019-01-14 12:08       ` Thomas Monjalon
2019-02-24 18:11   ` [dpdk-dev] [PATCH v5 1/4] " Jerin Jacob Kollanukkaran
2019-02-24 18:11     ` [dpdk-dev] [PATCH v5 2/4] meson: add infra to support machine specific flags Jerin Jacob Kollanukkaran
2019-02-24 18:11     ` [dpdk-dev] [PATCH v5 3/4] config: add thunderx2 machine config Jerin Jacob Kollanukkaran
2019-02-24 18:11     ` [dpdk-dev] [PATCH v5 4/4] config: add octeontx2 " Jerin Jacob Kollanukkaran
2019-03-18 16:50     ` [dpdk-dev] [PATCH v6 1/4] mk: introduce helper to check valid compiler argument Jerin Jacob Kollanukkaran
2019-03-18 16:50       ` Jerin Jacob Kollanukkaran
2019-03-18 16:50       ` [dpdk-dev] [PATCH v6 2/4] meson: add infra to support machine specific flags Jerin Jacob Kollanukkaran
2019-03-18 16:50         ` Jerin Jacob Kollanukkaran
2019-03-19  9:40         ` Bruce Richardson
2019-03-19  9:40           ` Bruce Richardson
2019-03-29 13:57           ` Thomas Monjalon
2019-03-29 13:57             ` Thomas Monjalon
2019-03-18 16:50       ` [dpdk-dev] [PATCH v6 3/4] config: add thunderx2 machine config Jerin Jacob Kollanukkaran
2019-03-18 16:50         ` Jerin Jacob Kollanukkaran
2019-04-02  8:52         ` Gavin Hu (Arm Technology China)
2019-04-02  8:52           ` Gavin Hu (Arm Technology China)
2019-04-05 18:13         ` Thomas Monjalon
2019-04-05 18:13           ` Thomas Monjalon
2019-04-05 18:47           ` Jerin Jacob Kollanukkaran
2019-04-05 18:47             ` Jerin Jacob Kollanukkaran
2019-04-05 19:09             ` Thomas Monjalon
2019-04-05 19:09               ` Thomas Monjalon
2019-04-06 11:40               ` Jerin Jacob Kollanukkaran
2019-04-06 11:40                 ` Jerin Jacob Kollanukkaran
2019-03-18 16:50       ` [dpdk-dev] [PATCH v6 4/4] config: add octeontx2 " Jerin Jacob Kollanukkaran
2019-03-18 16:50         ` Jerin Jacob Kollanukkaran
2019-04-02  8:54         ` Gavin Hu (Arm Technology China)
2019-04-02  8:54           ` Gavin Hu (Arm Technology China)
2019-04-06 14:27       ` [dpdk-dev] [PATCH v7 1/4] mk: introduce helper to check valid compiler argument jerinjacobk
2019-04-06 14:27         ` jerinjacobk
2019-04-06 14:27         ` [dpdk-dev] [PATCH v7 2/4] meson: add infra to support machine specific flags jerinjacobk
2019-04-06 14:27           ` jerinjacobk
2019-04-10  0:40           ` Yongseok Koh
2019-04-10  0:40             ` Yongseok Koh
2019-04-10  2:15             ` Yongseok Koh
2019-04-10  2:15               ` Yongseok Koh
2019-04-10 14:22               ` Pavan Nikhilesh Bhagavatula
2019-04-10 14:22                 ` Pavan Nikhilesh Bhagavatula
2019-04-06 14:27         ` [dpdk-dev] [PATCH v7 3/4] config: add thunderx2 machine config jerinjacobk
2019-04-06 14:27           ` jerinjacobk
2019-04-08 10:32           ` Thomas Monjalon
2019-04-08 10:32             ` Thomas Monjalon
2019-04-08 12:05             ` Thomas Monjalon
2019-04-08 12:05               ` Thomas Monjalon
2019-04-08 12:11               ` Bruce Richardson
2019-04-08 12:11                 ` Bruce Richardson
2019-04-06 14:27         ` [dpdk-dev] [PATCH v7 4/4] config: add octeontx2 " jerinjacobk
2019-04-06 14:27           ` jerinjacobk
2019-04-10 12:48           ` Thomas Monjalon
2019-04-10 12:48             ` Thomas Monjalon
2019-04-10 12:59             ` Jerin Jacob Kollanukkaran
2019-04-10 12:59               ` Jerin Jacob Kollanukkaran
2019-04-10 16:13         ` [dpdk-dev] [PATCH v8 1/4] mk: introduce helper to check valid compiler argument jerinjacobk
2019-04-10 16:13           ` jerinjacobk
2019-04-10 16:13           ` [dpdk-dev] [PATCH v8 2/4] meson: add infra to support machine specific flags jerinjacobk
2019-04-10 16:13             ` jerinjacobk
2019-04-10 17:37             ` Yongseok Koh
2019-04-10 17:37               ` Yongseok Koh
2019-04-11  6:07               ` Pavan Nikhilesh Bhagavatula
2019-04-11  6:07                 ` Pavan Nikhilesh Bhagavatula
2019-04-11 20:12                 ` Yongseok Koh
2019-04-11 20:12                   ` Yongseok Koh
2019-04-12  2:04                   ` Yongseok Koh
2019-04-12  2:04                     ` Yongseok Koh
2019-04-12  6:07                     ` Jerin Jacob Kollanukkaran
2019-04-12  6:07                       ` Jerin Jacob Kollanukkaran
2019-04-12  6:43                       ` Yongseok Koh
2019-04-12  6:43                         ` Yongseok Koh
2019-04-12  7:00                         ` Jerin Jacob Kollanukkaran
2019-04-12  7:00                           ` Jerin Jacob Kollanukkaran
2019-04-12  7:34                           ` Yongseok Koh
2019-04-12  7:34                             ` Yongseok Koh
2019-04-12  7:09                         ` Yongseok Koh
2019-04-12  7:09                           ` Yongseok Koh
2019-04-12  7:35                           ` Jerin Jacob Kollanukkaran
2019-04-12  7:35                             ` Jerin Jacob Kollanukkaran
2019-04-12  7:47                             ` Yongseok Koh
2019-04-12  7:47                               ` Yongseok Koh
2019-04-11 23:37             ` Thomas Monjalon
2019-04-11 23:37               ` Thomas Monjalon
2019-04-12  1:59               ` Yongseok Koh [this message]
2019-04-12  1:59                 ` Yongseok Koh
2019-04-12  7:12               ` Jerin Jacob Kollanukkaran
2019-04-12  7:12                 ` Jerin Jacob Kollanukkaran
2019-04-12  8:45                 ` Thomas Monjalon
2019-04-12  8:45                   ` Thomas Monjalon
2019-04-13  6:24                   ` Jerin Jacob Kollanukkaran
2019-04-13  6:24                     ` Jerin Jacob Kollanukkaran
2019-04-13 20:42                     ` Thomas Monjalon
2019-04-13 20:42                       ` Thomas Monjalon
2019-04-14 14:40                       ` Pavan Nikhilesh Bhagavatula
2019-04-14 14:40                         ` Pavan Nikhilesh Bhagavatula
2019-04-14 17:44                         ` Thomas Monjalon
2019-04-14 17:44                           ` Thomas Monjalon
2019-04-14 18:19                           ` Jerin Jacob Kollanukkaran
2019-04-14 18:19                             ` Jerin Jacob Kollanukkaran
2019-04-14 18:29                             ` Thomas Monjalon
2019-04-14 18:29                               ` Thomas Monjalon
2019-04-10 16:13           ` [dpdk-dev] [PATCH v8 3/4] config: add thunderx2 machine config jerinjacobk
2019-04-10 16:13             ` jerinjacobk
2019-04-10 16:14           ` [dpdk-dev] [PATCH v8 4/4] config: add octeontx2 " jerinjacobk
2019-04-10 16:14             ` jerinjacobk
2019-04-13 19:01           ` [dpdk-dev] [PATCH v9 1/4] mk: introduce helper to check valid compiler argument jerinj
2019-04-13 19:01             ` jerinj
2019-04-13 19:01             ` [dpdk-dev] [PATCH v9 2/4] meson: add infra to support machine specific flags jerinj
2019-04-13 19:01               ` jerinj
2019-04-13 19:01             ` [dpdk-dev] [PATCH v9 3/4] config: add thunderx2 machine config jerinj
2019-04-13 19:01               ` jerinj
2019-04-13 19:01             ` [dpdk-dev] [PATCH v9 4/4] config: add octeontx2 " jerinj
2019-04-13 19:01               ` jerinj
2019-04-13 20:19             ` [dpdk-dev] [PATCH v10 1/4] mk: introduce helper to check valid compiler argument jerinj
2019-04-13 20:19               ` jerinj
2019-04-13 20:19               ` [dpdk-dev] [PATCH v10 2/4] meson: add infra to support machine specific flags jerinj
2019-04-13 20:19                 ` jerinj
2019-04-13 20:19               ` [dpdk-dev] [PATCH v10 3/4] config: add thunderx2 machine config jerinj
2019-04-13 20:19                 ` jerinj
2019-04-13 20:19               ` [dpdk-dev] [PATCH v10 4/4] config: add octeontx2 " jerinj
2019-04-13 20:19                 ` jerinj
2019-04-15 21:00               ` [dpdk-dev] [PATCH v10 1/4] mk: introduce helper to check valid compiler argument Thomas Monjalon
2019-04-15 21:00                 ` Thomas Monjalon
2019-03-21 10:13     ` [dpdk-dev] [PATCH v5 " Phil Yang (Arm Technology China)
2019-03-21 10:13       ` Phil Yang (Arm Technology China)

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