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, stephen@networkplumber.org,
konstantin.ananyev@huawei.com, david.marchand@redhat.com,
fengchengwen@huawei.com, liuyonglong@huawei.com
Subject: Re: [PATCH v15 0/3] power: introduce PM QoS interface
Date: Mon, 11 Nov 2024 11:29:08 +0100 [thread overview]
Message-ID: <8000574.CvnuH1ECHv@thomas> (raw)
In-Reply-To: <20241111022550.14113-1-lihuisong@huawei.com>
11/11/2024 03:25, Huisong Li:
> 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.
>
> And the "/sys/devices/system/cpu/cpuX/power/pm_qos_resume_latency_us" sysfs
> interface is used to set and get the resume latency limit on the cpuX for
> userspace. Please see the description in kernel document[1].
> Each cpuidle governor in Linux select which idle state to enter based on
> this CPU resume latency in their idle task.
>
> The 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
> when wake up from idle state by setting strict resume latency (zero value).
>
> [1] 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
Applied, thanks.
next prev parent reply other threads:[~2024-11-11 10:29 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-20 10:55 [PATCH 0/2] " Huisong Li
2024-03-20 10:55 ` [PATCH 1/2] power: " Huisong Li
2024-03-20 10:55 ` [PATCH 2/2] examples/l3fwd-power: add PM QoS request configuration Huisong Li
2024-03-20 14:05 ` [PATCH 0/2] introduce PM QoS interface Morten Brørup
2024-03-21 3:04 ` lihuisong (C)
2024-03-21 13:30 ` Morten Brørup
2024-03-22 8:54 ` lihuisong (C)
2024-03-22 12:35 ` Morten Brørup
2024-03-26 2:11 ` lihuisong (C)
2024-03-26 8:27 ` Morten Brørup
2024-03-26 12:15 ` lihuisong (C)
2024-03-26 12:46 ` Morten Brørup
2024-03-29 1:59 ` lihuisong (C)
2024-03-22 17:55 ` Tyler Retzlaff
2024-03-26 2:20 ` lihuisong (C)
2024-03-26 16:04 ` Tyler Retzlaff
2024-06-13 11:20 ` [PATCH v2 0/2] power: " Huisong Li
2024-06-13 11:20 ` [PATCH v2 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-06-14 8:04 ` Morten Brørup
2024-06-18 12:19 ` lihuisong (C)
2024-06-18 12:53 ` Morten Brørup
2024-06-13 11:20 ` [PATCH v2 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-06-19 6:31 ` [PATCH v3 0/2] power: introduce PM QoS interface Huisong Li
2024-06-19 6:31 ` [PATCH v3 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-06-19 14:56 ` Stephen Hemminger
2024-06-20 2:22 ` lihuisong (C)
2024-06-19 15:32 ` Thomas Monjalon
2024-06-20 2:32 ` lihuisong (C)
2024-06-19 6:31 ` [PATCH v3 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-06-19 14:54 ` Stephen Hemminger
2024-06-20 2:24 ` lihuisong (C)
2024-06-19 6:59 ` [PATCH v3 0/2] power: introduce PM QoS interface Morten Brørup
2024-06-27 6:00 ` [PATCH v4 " Huisong Li
2024-06-27 6:00 ` [PATCH v4 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-06-27 15:06 ` Stephen Hemminger
2024-06-28 4:07 ` lihuisong (C)
2024-06-27 6:00 ` [PATCH v4 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-07-02 3:50 ` [PATCH v5 0/2] power: introduce PM QoS interface Huisong Li
2024-07-02 3:50 ` [PATCH v5 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-07-03 1:32 ` zhoumin
2024-07-03 2:52 ` lihuisong (C)
2024-07-02 3:50 ` [PATCH v5 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-07-09 2:29 ` [PATCH v6 0/2] power: introduce PM QoS interface Huisong Li
2024-07-09 2:29 ` [PATCH v6 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-07-09 2:29 ` [PATCH v6 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-07-09 3:07 ` Stephen Hemminger
2024-07-09 3:18 ` lihuisong (C)
2024-07-09 6:31 ` [PATCH v7 0/2] power: introduce PM QoS interface Huisong Li
2024-07-09 6:31 ` [PATCH v7 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-07-09 6:31 ` [PATCH v7 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-07-09 7:25 ` [PATCH v8 0/2] power: introduce PM QoS interface Huisong Li
2024-07-09 7:25 ` [PATCH v8 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-07-09 7:25 ` [PATCH v8 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-08-09 9:50 ` [PATCH v9 0/2] power: introduce PM QoS interface Huisong Li
2024-08-09 9:50 ` [PATCH v9 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-09-10 2:00 ` fengchengwen
2024-09-10 9:32 ` lihuisong (C)
2024-09-12 1:14 ` fengchengwen
2024-08-09 9:50 ` [PATCH v9 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-09-10 2:26 ` fengchengwen
2024-09-10 12:07 ` lihuisong (C)
2024-09-12 1:15 ` fengchengwen
2024-09-12 2:38 ` [PATCH v10 0/2] power: introduce PM QoS interface Huisong Li
2024-09-12 2:38 ` [PATCH v10 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-10-13 1:10 ` Stephen Hemminger
2024-10-14 12:19 ` lihuisong (C)
2024-10-15 9:41 ` lihuisong (C)
2024-10-15 15:45 ` Stephen Hemminger
2024-10-17 2:11 ` lihuisong (C)
2024-10-17 3:20 ` Stephen Hemminger
2024-10-17 8:37 ` lihuisong (C)
2024-10-22 3:10 ` lihuisong (C)
2024-10-14 8:29 ` Konstantin Ananyev
2024-10-15 7:47 ` lihuisong (C)
2024-09-12 2:38 ` [PATCH v10 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-10-14 8:24 ` Konstantin Ananyev
2024-10-14 8:46 ` Konstantin Ananyev
2024-10-15 7:32 ` lihuisong (C)
2024-10-16 0:24 ` Konstantin Ananyev
2024-10-17 2:25 ` lihuisong (C)
2024-10-17 11:14 ` Konstantin Ananyev
2024-09-12 3:07 ` [PATCH v10 0/2] power: introduce PM QoS interface fengchengwen
2024-10-12 2:07 ` lihuisong (C)
2024-10-14 15:27 ` Stephen Hemminger
2024-10-15 9:30 ` lihuisong (C)
2024-10-21 11:42 ` [PATCH v11 " Huisong Li
2024-10-21 11:42 ` [PATCH v11 1/2] power: introduce PM QoS API on CPU wide Huisong Li
2024-10-22 9:08 ` Konstantin Ananyev
2024-10-22 9:41 ` lihuisong (C)
2024-10-21 11:42 ` [PATCH v11 2/2] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-10-22 9:10 ` Konstantin Ananyev
2024-10-22 9:44 ` lihuisong (C)
2024-10-22 12:15 ` Konstantin Ananyev
2024-10-23 6:27 ` lihuisong (C)
2024-10-23 4:09 ` [PATCH v12 0/3] power: introduce PM QoS interface Huisong Li
2024-10-23 4:09 ` [PATCH v12 1/3] power: introduce PM QoS API on CPU wide Huisong Li
2024-10-23 4:09 ` [PATCH v12 2/3] examples/l3fwd-power: fix data overflow when parse command line Huisong Li
2024-10-24 16:34 ` Konstantin Ananyev
2024-10-23 4:09 ` [PATCH v12 3/3] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-10-24 16:44 ` Konstantin Ananyev
2024-10-25 3:35 ` lihuisong (C)
2024-10-25 9:18 ` [PATCH v13 0/3] power: introduce PM QoS interface Huisong Li
2024-10-25 9:18 ` [PATCH v13 1/3] power: introduce PM QoS API on CPU wide Huisong Li
2024-10-25 12:08 ` Tummala, Sivaprasad
2024-10-25 9:18 ` [PATCH v13 2/3] examples/l3fwd-power: fix data overflow when parse command line Huisong Li
2024-10-25 11:27 ` fengchengwen
2024-10-29 5:48 ` Tummala, Sivaprasad
2024-10-25 9:18 ` [PATCH v13 3/3] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-10-29 13:28 ` [PATCH v14 0/3] power: introduce PM QoS interface Huisong Li
2024-10-29 13:28 ` [PATCH v14 1/3] power: introduce PM QoS API on CPU wide Huisong Li
2024-10-29 13:28 ` [PATCH v14 2/3] examples/l3fwd-power: fix data overflow when parse command line Huisong Li
2024-10-29 13:28 ` [PATCH v14 3/3] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-10-29 13:45 ` Konstantin Ananyev
2024-11-04 9:13 ` [PATCH v14 0/3] power: introduce PM QoS interface lihuisong (C)
2024-11-11 2:25 ` [PATCH v15 " Huisong Li
2024-11-11 2:25 ` [PATCH v15 1/3] power: introduce PM QoS API on CPU wide Huisong Li
2024-11-11 10:18 ` Thomas Monjalon
2024-11-11 12:47 ` lihuisong (C)
2024-11-11 2:25 ` [PATCH v15 2/3] examples/l3fwd-power: fix data overflow when parse command line Huisong Li
2024-11-11 2:25 ` [PATCH v15 3/3] examples/l3fwd-power: add PM QoS configuration Huisong Li
2024-11-11 10:29 ` Thomas Monjalon [this message]
2024-11-11 9:14 ` [RESEND PATCH v15 0/3] power: introduce PM QoS interface Huisong Li
2024-11-11 9:14 ` [RESEND PATCH v15 1/3] power: introduce PM QoS API on CPU wide Huisong Li
2024-11-11 9:14 ` [RESEND PATCH v15 2/3] examples/l3fwd-power: fix data overflow when parse command line Huisong Li
2024-11-11 9:14 ` [RESEND PATCH v15 3/3] examples/l3fwd-power: add PM QoS configuration Huisong Li
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