From mboxrd@z Thu Jan 1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
by inbox.dpdk.org (Postfix) with ESMTP id 4A302454AC;
Wed, 19 Jun 2024 17:33:36 +0200 (CEST)
Received: from mails.dpdk.org (localhost [127.0.0.1])
by mails.dpdk.org (Postfix) with ESMTP id DBD4641149;
Wed, 19 Jun 2024 17:33:35 +0200 (CEST)
Received: from fout1-smtp.messagingengine.com (fout1-smtp.messagingengine.com
[103.168.172.144])
by mails.dpdk.org (Postfix) with ESMTP id B69C840289
for <dev@dpdk.org>; Wed, 19 Jun 2024 17:32:45 +0200 (CEST)
Received: from compute5.internal (compute5.nyi.internal [10.202.2.45])
by mailfout.nyi.internal (Postfix) with ESMTP id 31BA313801CA;
Wed, 19 Jun 2024 11:32:45 -0400 (EDT)
Received: from mailfrontend1 ([10.202.2.162])
by compute5.internal (MEProxy); Wed, 19 Jun 2024 11:32:45 -0400
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=monjalon.net; h=
cc:cc:content-transfer-encoding:content-type:content-type:date
:date:from:from:in-reply-to:in-reply-to:message-id:mime-version
:references:reply-to:subject:subject:to:to; s=fm2; t=1718811165;
x=1718897565; bh=mJgdnhA4DCA/9mZrWG8ZQm4mvJSglWPoZU1qpTgRQrA=; b=
Q9ciFN+d8fZfr2TaAdG7BGcvzaXM1E5ah9jnocTknWxWZ/I0/dz9ZQwhh5YT/afi
T/BmUhaxBHi+TG+9/IQ/bOhoZJ5QsnUjZwaS8UQ0o2usSE6zK2Eja6EF5IKwQkCD
U3WmjFbEWRdxPiqS6Jr5gZ0OVleDg4Cy6BGVSuROhh1o5CvTO7UUBa1wceZSDIrR
RjFBrStlkHo/Q6qFPih6N5WkTYiH2toejIc6LtpUlh3b0hvyOV9E90BWGzK/B98m
D4MtURM3E0UcaYIIgVkG3EXS2IvQUwIXYJPDBaXRX6r0Zyk1f8+3NuWpkXWqjXK0
rzyb1XqZfWzh98Nbd7zqMA==
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=
messagingengine.com; h=cc:cc:content-transfer-encoding
:content-type:content-type:date:date:feedback-id:feedback-id
:from:from:in-reply-to:in-reply-to:message-id:mime-version
:references:reply-to:subject:subject:to:to:x-me-proxy:x-me-proxy
:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1718811165; x=
1718897565; bh=mJgdnhA4DCA/9mZrWG8ZQm4mvJSglWPoZU1qpTgRQrA=; b=H
tCkfd/gXplA1+R+68EStSyJgG4kgFyZhYq2UtWD42P81hCQR2jhX+XM/u+AU8MVF
0lO4i/iqf/l0CT0kR4eha8y+2VqCUv/J0/WAnlSoNhlxuhG75VuhWCsMsPBQO7NS
tAoYf0+WON+yX6hDOVSiJcD3rqtnF7E1Avx3803/es9qC2C2dG1A838cup5+tc8G
W9UwXJmpoAQFp+B+n2eG+ZxA7gXL3xDdipDMoZY281o+KP9tvS4DEQxEUw+ZdtT4
HEbM3P4eq+ekFfpUWhccqpL/dCz5Zms2ct9mIzUe5dA7EbnrVuANa/d7HkYJLQKc
RYFTM3CQ2nJlwrtaiP9yA==
X-ME-Sender: <xms:G_pyZnPwvraIQwlXgj9XuNG2RuLzNcaaJiyChuSsi_gqhpNbca8SHg>
<xme:G_pyZh_PTQcHwEAOGjAomzIKfVSs4_WnOrt-PMqWHVCgw6pNQFIG1Aid8L3ON4ntp
b_jB7mPYzieMv0XgA>
X-ME-Received: <xmr:G_pyZmRiK859QRSEiQAGfIklGugYG3Z9taG_7Vnl-MPy6LktRxbpBdB5pns9oy3uZz-E45IOeIoyellyYIQriuI>
X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledrfeeftddgkeekucetufdoteggodetrfdotf
fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen
uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne
cujfgurhephffvvefufffkjghfggfgtgesthfuredttddtjeenucfhrhhomhepvfhhohhm
rghsucfoohhnjhgrlhhonhcuoehthhhomhgrshesmhhonhhjrghlohhnrdhnvghtqeenuc
ggtffrrghtthgvrhhnpeejvdeileeigefhgeelkedvleduffejfeeuueduiedvveegudef
veeiueegfedtieenucffohhmrghinhepkhgvrhhnvghlrdhorhhgnecuvehluhhsthgvrh
fuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepthhhohhmrghssehmohhnjhgr
lhhonhdrnhgvth
X-ME-Proxy: <xmx:G_pyZrso8nN3FT3zwGE5w5luWtLwLhD275OlEH7fRI9rOaBhzyLTjw>
<xmx:G_pyZvcdW-HaAwd3rg-3coqC59_8d0RbU4Q2-zvQwCMq17qt-E_JvQ>
<xmx:G_pyZn1IUiPc3lANwrnbGWMOcNxOg3IwUKxPRxKoUJRekkogI-ut1w>
<xmx:G_pyZr-8AqNhCsnGkBrA1YhuS-TLQQKMQy7J3dvz-yOJts7CJ2QjIA>
<xmx:HfpyZgUcsbLJqj5vTHDoOoOSzs3t_BZsLoO4GYWPoEPyA3LTc_8rI0B2>
Feedback-ID: i47234305:Fastmail
Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed,
19 Jun 2024 11:32:41 -0400 (EDT)
From: Thomas Monjalon <thomas@monjalon.net>
To: Huisong Li <lihuisong@huawei.com>
Cc: dev@dpdk.org, mb@smartsharesystems.com, ferruh.yigit@amd.com,
anatoly.burakov@intel.com, david.hunt@intel.com, sivaprasad.tummala@amd.com,
david.marchand@redhat.com, liuyonglong@huawei.com, lihuisong@huawei.com
Subject: Re: [PATCH v3 1/2] power: introduce PM QoS API on CPU wide
Date: Wed, 19 Jun 2024 17:32:37 +0200
Message-ID: <6796230.uz5P2jW1tq@thomas>
In-Reply-To: <20240619063144.20733-2-lihuisong@huawei.com>
References: <20240320105529.5626-1-lihuisong@huawei.com>
<20240619063144.20733-1-lihuisong@huawei.com>
<20240619063144.20733-2-lihuisong@huawei.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 7Bit
Content-Type: text/plain; charset="utf-8"
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <dev.dpdk.org>
List-Unsubscribe: <https://mails.dpdk.org/options/dev>,
<mailto:dev-request@dpdk.org?subject=unsubscribe>
List-Archive: <http://mails.dpdk.org/archives/dev/>
List-Post: <mailto:dev@dpdk.org>
List-Help: <mailto:dev-request@dpdk.org?subject=help>
List-Subscribe: <https://mails.dpdk.org/listinfo/dev>,
<mailto:dev-request@dpdk.org?subject=subscribe>
Errors-To: dev-bounces@dpdk.org
19/06/2024 08:31, Huisong Li:
> --- /dev/null
> +++ b/lib/power/rte_power_qos.h
> @@ -0,0 +1,71 @@
> +/* SPDX-License-Identifier: BSD-3-Clause
> + * Copyright(c) 2024 HiSilicon Limited
> + */
> +
> +#ifndef RTE_POWER_QOS_H
> +#define RTE_POWER_QOS_H
> +
> +#include <rte_compat.h>
> +
> +#ifdef __cplusplus
> +extern "C" {
> +#endif
> +
> +/**
> + * @file rte_power_qos.h
> + *
> + * PM QoS API.
> + *
> + * The CPU-wide resume latency limit has a positive impact on this CPU's idle
> + * state selection in each cpuidle governor.
> + * Please see the PM QoS on CPU wide in the following link:
> + * https://www.kernel.org/doc/html/latest/admin-guide/abi-testing.html?highlight=pm_qos_resume_latency_us#abi-sys-devices-power-pm-qos-resume-latency-us
> + *
> + * The deeper the idle state, the lower the power consumption, but the
> + * longer the resume time. Some service are delay sensitive and very except the
> + * low resume time, like interrupt packet receiving mode.
> + *
> + * In these case, per-CPU PM QoS API can be used to control this CPU's idle
> + * state selection and limit just enter the shallowest idle state to low the
> + * delay after sleep by setting strict resume latency (zero value).
> + */
> +
> +#define RTE_POWER_QOS_STRICT_LATENCY_VALUE 0
> +#define RTE_POWER_QOS_RESUME_LATENCY_NO_CONSTRAINT ((int)(UINT32_MAX >> 1))
stdint.h include is missing