DPDK patches and discussions
 help / color / mirror / Atom feed
From: Stephen Hemminger <stephen@networkplumber.org>
To: Feifei Wang <feifei.wang2@arm.com>
Cc: David Hunt <david.hunt@intel.com>,
	dev@dpdk.org, nd@arm.com, Ruifeng Wang <ruifeng.wang@arm.com>
Subject: Re: [PATCH v1 3/3] examples/l3fwd-power: enable PMD power mgmt on Arm
Date: Thu, 20 Oct 2022 15:09:37 -0700	[thread overview]
Message-ID: <20221020150937.1f5b262c@hermes.local> (raw)
In-Reply-To: <20220825064251.2637274-4-feifei.wang2@arm.com>

On Thu, 25 Aug 2022 14:42:51 +0800
Feifei Wang <feifei.wang2@arm.com> wrote:

> diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c
> index 887c6eae3f..2bd0d700f0 100644
> --- a/examples/l3fwd-power/main.c
> +++ b/examples/l3fwd-power/main.c
> @@ -432,8 +432,16 @@ static void
>  signal_exit_now(int sigtype)
>  {
>  
> -	if (sigtype == SIGINT)
> +	if (sigtype == SIGINT) {
> +#if defined(RTE_ARCH_ARM64)
> +	/**
> +	 * wake_up api does not need input parameter on Arm,
> +	 * so 0 is meaningless here.
> +	 */
> +		rte_power_monitor_wakeup(0);
> +#endif
>  		quit_signal = true;
> +	}
>  

This method is problematic. There is no guarantee that power
monitor is async signal safe.


  parent reply	other threads:[~2022-10-20 22:09 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 " 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 [this message]
2022-10-27  9:43     ` 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   ` [PATCH v6 0/2] Enable PMD power management " David Marchand
2023-02-21  2:37     ` 回复: " Feifei Wang

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221020150937.1f5b262c@hermes.local \
    --to=stephen@networkplumber.org \
    --cc=david.hunt@intel.com \
    --cc=dev@dpdk.org \
    --cc=feifei.wang2@arm.com \
    --cc=nd@arm.com \
    --cc=ruifeng.wang@arm.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).