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From: David Marchand <david.marchand@redhat.com>
To: Feifei Wang <feifei.wang2@arm.com>
Cc: dev@dpdk.org, david.hunt@intel.com, stephen@networkplumber.org,
	 thomas@monjalon.net, nd@arm.com
Subject: Re: [PATCH v6 0/2] Enable PMD power management on Arm
Date: Mon, 20 Feb 2023 13:07:19 +0100	[thread overview]
Message-ID: <CAJFAV8x+Thu9hkykauT6JB2RasXawWGOn_qB1L7GRff788CuJg@mail.gmail.com> (raw)
In-Reply-To: <20230220085109.3463640-1-feifei.wang2@arm.com>

On Mon, Feb 20, 2023 at 9:51 AM Feifei Wang <feifei.wang2@arm.com> wrote:
>
> For Arm aarch, use WFE instructions to enable PMD power management.
>
> Test Results:
> dynamic instructions over 1sec  without wfe     with wfe        percentage
> ampere-altra                    6,298,483,712   9,117,624       -99.855%
> thunderx2                       6,990,909,373   3,247,226       -99.954%
>
> When power efficient PMD is enabled by using WFE on Arm, if no pkts
> received, the instructions that CPU executes is reduced by 99%.
>
> Feifei Wang (2):
>   eal: add 8 bits case for wait scheme
>   eal: add power mgmt support on Arm
>
>  doc/guides/rel_notes/release_23_03.rst |  4 ++
>  lib/eal/arm/include/rte_pause_64.h     | 32 +++++++++++++--
>  lib/eal/arm/rte_cpuflags.c             |  5 +++
>  lib/eal/arm/rte_power_intrinsics.c     | 55 ++++++++++++++++++++++++--
>  4 files changed, 89 insertions(+), 7 deletions(-)

Fixed release notes, squashed patches and applied, thanks.


-- 
David Marchand


  parent reply	other threads:[~2023-02-20 12:07 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-25  6:42 [PATCH v1 0/3] Enable PMD power management on Arm Feifei Wang
2022-08-25  6:42 ` [PATCH v1 1/3] eal: add 8 bits case for wait scheme Feifei Wang
2022-08-25  6:42 ` [PATCH v1 2/3] eal: add power mgmt support on Arm Feifei Wang
2022-08-25  6:42 ` [PATCH v1 3/3] examples/l3fwd-power: enable PMD power mgmt " Feifei Wang
2022-08-29 12:48   ` Hunt, David
2022-10-03  7:12     ` David Marchand
2022-10-11  7:56       ` 回复: " Feifei Wang
2022-10-20 20:41         ` Thomas Monjalon
2022-10-27  9:38           ` 回复: " Feifei Wang
2022-10-20 22:09   ` Stephen Hemminger
2022-10-27  9:43     ` 回复: " Feifei Wang
2022-11-07  7:04 ` [PATCH v2 0/3] Enable PMD power management " Feifei Wang
2022-11-07  7:04   ` [PATCH v2 1/3] eal: add 8 bits case for wait scheme Feifei Wang
2022-11-07  7:04   ` [PATCH v2 2/3] eal: add power mgmt support on Arm Feifei Wang
2022-11-07  7:04   ` [PATCH v2 3/3] examples/l3fwd-power: enable PMD power monitor " Feifei Wang
2022-11-07 16:01     ` Stephen Hemminger
2022-11-08  3:25       ` 回复: " Feifei Wang
2022-11-11  7:26 ` [PATCH v3 0/3] Enable PMD power management " Feifei Wang
2022-11-11  7:26   ` [PATCH v3 1/3] eal: add 8 bits case for wait scheme Feifei Wang
2022-11-11  7:26   ` [PATCH v3 2/3] eal: add power mgmt support on Arm Feifei Wang
2022-11-11  7:26   ` [PATCH v3 3/3] examples/l3fwd-power: enable PMD power monitor " Feifei Wang
2022-11-11  8:22     ` Thomas Monjalon
2022-11-11 10:21       ` 回复: " Feifei Wang
2022-11-11 10:20 ` [PATCH v4 0/4] Enable PMD power management " Feifei Wang
2022-11-11 10:20   ` [PATCH v4 1/4] eal: add 8 bits case for wait scheme Feifei Wang
2022-11-11 10:20   ` [PATCH v4 2/4] eal: add power mgmt support on Arm Feifei Wang
2022-11-11 10:20   ` [PATCH v4 3/4] power: add power monitor support check Feifei Wang
2022-11-11 10:20   ` [PATCH v4 4/4] examples/l3fwd-power: add power monitor wake up API Feifei Wang
2022-12-14  8:14 ` [PATCH v5 0/2] Enable PMD power management on Arm Feifei Wang
2022-12-14  8:14   ` [PATCH v5 1/2] eal: add 8 bits case for wait scheme Feifei Wang
2022-12-14  8:14   ` [PATCH v5 2/2] eal: add power mgmt support on Arm Feifei Wang
2023-02-17 16:23     ` Stephen Hemminger
2023-02-20  1:56       ` 回复: " Feifei Wang
2023-02-17  8:26   ` 回复: [PATCH v5 0/2] Enable PMD power management " Feifei Wang
2023-02-20  8:51 ` [PATCH v6 " Feifei Wang
2023-02-20  8:51   ` [PATCH v6 1/2] eal: add 8 bits case for wait scheme Feifei Wang
2023-02-20  8:51   ` [PATCH v6 2/2] eal: add power mgmt support on Arm Feifei Wang
2023-02-20 12:07   ` David Marchand [this message]
2023-02-21  2:37     ` 回复: [PATCH v6 0/2] Enable PMD power management " Feifei Wang

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