ATH11K Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Kalle Valo <kvalo@codeaurora.org>
To: Mark Herbert <mark.herbert42@gmail.com>
Cc: ath11k@lists.infradead.org
Subject: Re: High battery usage with ath11k on Dell 9310
Date: Mon, 11 Oct 2021 08:41:24 +0300	[thread overview]
Message-ID: <87k0ik2k57.fsf@tynnyri.adurom.net> (raw)
In-Reply-To: <c2c790a6-b86a-6664-e147-bc642e00e325@gmail.com> (Mark Herbert's message of "Sun, 10 Oct 2021 15:24:13 +0300")

Mark Herbert <mark.herbert42@gmail.com> writes:

> Simply disabling wifi  drops 0.8-1 watts from power consumption.
> Comparing almost same model (16 gb RAM vs 32) but based on Intel card
> shows the same difference - Intel based laptop with WiFi connected
> consumes about same as ath11k with Wifi discnnected.
>
> Powertop  newer shows PC states below PC6. Disabling WiFi allows PC8,
> disabling ath11k completely (bios) - PC10.
>
> Wifi enabled
>
>            Pkg(HW)
> C2 (pc2)   18,5%    |
> C3 (pc3)   14,2%    |
> C6 (pc6)   47,5%    |
> C7 (pc7)    0,0%    |
> C8 (pc8)    0,0%    |
> C9 (pc9)    0,0%    |
> C10 (pc10)  0,0%    |
>
> Wfi disabled (by networkmanager/nm-applet)
>
>
>            Pkg(HW)
> C2 (pc2)   10,8%    |
> C3 (pc3)   18,5%    |
> C6 (pc6)    1,1%    |
> C7 (pc7)    0,3%    |
> C8 (pc8)   28,3%    |
> C9 (pc9)    0,0%    |
> C10 (pc10)  0,0%    |
>
> Seems that even on no network activity ath11k forces CPU to stay awake
> and eat battery. There are some background transfer happening as I
> have Viber, thunderbird and firefox opened so I bet they do sent some
> but there is no file transfers, media streams etc. Under the same
> conditions (taking this disk from one 9310 to other 9310 - same
> software, same kernel - just wifi's different) - iwlwifi manages to
> reach PC8-PC10 being connected.  With ath10k on dell XPS-13 9350 intel
> also was saving battery much better than ath10k, bit there was like
> 88% of PC10 with intel and 65% PC10 and 20% PC8 with ath10k. But it
> was not such terribly bad as with ath11.
>
> There is already kernel bug for this, not creating duplicates
>
> https://bugzilla.kernel.org/show_bug.cgi?id=214543

Thanks for the excellent report and including all that information to
the bug report as well, we will investigate this.

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

-- 
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k

  reply	other threads:[~2021-10-11  5:41 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-10 12:24 High battery usage with ath11k on Dell 9310 Mark Herbert
2021-10-11  5:41 ` Kalle Valo [this message]
2021-10-13 16:37 ` Mark Herbert
2021-10-20  8:16   ` Kalle Valo

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=87k0ik2k57.fsf@tynnyri.adurom.net \
    --to=kvalo@codeaurora.org \
    --cc=ath11k@lists.infradead.org \
    --cc=mark.herbert42@gmail.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