From: Feifei Wang <Feifei.Wang2@arm.com>
To: Feifei Wang <Feifei.Wang2@arm.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, nd <nd@arm.com>, nd <nd@arm.com>
Subject: 回复: [PATCH v5 0/2] Enable PMD power management on Arm
Date: Fri, 17 Feb 2023 08:26:56 +0000 [thread overview]
Message-ID: <AS8PR08MB7718A6560D4EEBCAB6A9EB46C8A19@AS8PR08MB7718.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <20221214081430.1717903-1-feifei.wang2@arm.com>
> -----邮件原件-----
> 发件人: Feifei Wang <feifei.wang2@arm.com>
> 发送时间: Wednesday, December 14, 2022 4:14 PM
> 抄送: dev@dpdk.org; nd <nd@arm.com>; Feifei Wang
> <Feifei.Wang2@arm.com>
> 主题: [PATCH v5 0/2] Enable PMD power management on Arm
>
> 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%.
>
> V2:
> 1. move rte_wake_up API out of signal_exit(David Marchand, Thomas,
> Stephen) 2. Add test results when using wfe on ARM server
>
> v3:
> 1. make code cleaner (Stephen)
>
> v4:
> 1. add support check in API (Thomas)
>
> v5:
> 1. delete v4 check patch and l3fwd-power change. This is due to that WFE
> instructions can be applied into all lcores.
> When all cores are in 'WFE' state, kernal can run normally and receive
> interrupt signal to send it to the l3fwd-power thread.
> Thus core in 'WFE' state can exit from sleeping by interrupt event.
>
>
> Feifei Wang (2):
> eal: add 8 bits case for wait scheme
> eal: add power mgmt support on Arm
>
> lib/eal/arm/include/rte_pause_64.h | 32 +++++++++++--
> lib/eal/arm/rte_cpuflags.c | 5 +++
> lib/eal/arm/rte_power_intrinsics.c | 72
> ++++++++++++++++++++++++++++--
> 3 files changed, 102 insertions(+), 7 deletions(-)
>
> --
> 2.25.1
+ping
Would the maintainers help review this patch?
Thanks very much~
Best Regards
Feifei
next prev parent reply other threads:[~2023-02-17 8:27 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-25 6:42 [PATCH v1 0/3] " 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 ` Feifei Wang [this message]
2023-02-20 8:51 ` [PATCH v6 0/2] Enable PMD power management " 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 ` [PATCH v6 0/2] Enable PMD power management " David Marchand
2023-02-21 2:37 ` 回复: " Feifei Wang
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