slower Debian 11 after upgrade from 10

From	L Dimov <lddimov@yahoo.com>
Newsgroups	linux.debian.user
Subject	slower Debian 11 after upgrade from 10
Date	2021-10-05 05:20 +0200
Message-ID	<D4J9L-5SB-1@gated-at.bofh.it> (permalink)
References	<D4J9L-5SB-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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I am having slower performance on Debian 11 with software only from the "main" repositories after upgrade from 10.It is on a decently powerful Dell laptop with 16 GB memory, 1 TB SSD, 7 processors Intel Core i5-8350U CPU @ 1.70GHz
Based on the recommendation in this post https://lists.debian.org/debian-user/2021/09/msg00549.html to run:dmesg | grep -i firmware
I get this output :

dmesg | grep -i firmware
[    2.072553] i915 0000:00:02.0: firmware: failed to load i915/kbl_dmc_ver1_04.bin (-2)
[    2.072556] firmware_class: See https://wiki.debian.org/Firmware for information about missing firmware
[    2.072558] i915 0000:00:02.0: Direct firmware load for i915/kbl_dmc_ver1_04.bin failed with error -2
[    2.072559] i915 0000:00:02.0: [drm] Failed to load DMC firmware i915/kbl_dmc_ver1_04.bin. Disabling runtime power management.
[    2.072560] i915 0000:00:02.0: [drm] DMC firmware homepage: https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/i915
[   22.385187] platform regulatory.0: firmware: direct-loading firmware regulatory.db
[   22.385337] platform regulatory.0: firmware: direct-loading firmware regulatory.db.p7s
[   22.678761] usb 1-7: firmware: failed to load ar3k/AthrBT_0x31010000.dfu (-2)
[   22.678807] usb 1-7: Direct firmware load for ar3k/AthrBT_0x31010000.dfu failed with error -2
[ 5025.133068] (NULL device *): firmware: direct-loading firmware regulatory.db
[ 5025.133106] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s
[ 6537.815319] (NULL device *): firmware: direct-loading firmware regulatory.db
[ 6537.815329] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s
[ 8190.353783] (NULL device *): firmware: direct-loading firmware regulatory.db
[ 8190.353794] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s
[12454.914080] (NULL device *): firmware: direct-loading firmware regulatory.db
[12454.914095] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s
[17749.614612] (NULL device *): firmware: direct-loading firmware regulatory.db
[17749.614627] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s
[17757.164491] r8152 2-1.2:1.0: firmware: failed to load rtl_nic/rtl8153a-3.fw (-2)
[17757.164494] r8152 2-1.2:1.0: Direct firmware load for rtl_nic/rtl8153a-3.fw failed with error -2
[17757.164496] r8152 2-1.2:1.0: unable to load firmware patch rtl_nic/rtl8153a-3.fw (-2)
[20639.334014] (NULL device *): firmware: direct-loading firmware regulatory.db
[20639.334092] (NULL device *): firmware: direct-loading firmware regulatory.db.p7s

So as far as I can tell, I need i915/kbl_dmc_ver1_04.bin, ar3k/AthrBT_0x31010000.dfu, rtl_nic/rtl8153a-3.fw, and rtl_nic/rtl8153a-3.fw. Is that true? And if yes, how do go about getting them?
Thank you for your help.Luben

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slower Debian 11 after upgrade from 10 L Dimov <lddimov@yahoo.com> - 2021-10-05 05:20 +0200
  Re: slower Debian 11 after upgrade from 10 Greg Wooledge <greg@wooledge.org> - 2021-10-05 05:30 +0200
    Re: slower Debian 11 after upgrade from 10 L Dimov <lddimov@yahoo.com> - 2021-10-05 05:40 +0200
      Re: slower Debian 11 after upgrade from 10 David Christensen <dpchrist@holgerdanske.com> - 2021-10-05 08:00 +0200
        Re: slower Debian 11 after upgrade from 10 David Christensen <dpchrist@holgerdanske.com> - 2021-10-05 08:20 +0200
        Re: slower Debian 11 after upgrade from 10 L Dimov <lddimov@yahoo.com> - 2021-10-05 15:30 +0200
          Re: slower Debian 11 after upgrade from 10 David Christensen <dpchrist@holgerdanske.com> - 2021-10-05 20:40 +0200
  Re: slower Debian 11 after upgrade from 10 "Andrew M.A. Cater" <amacater@einval.com> - 2021-10-05 12:50 +0200
    Re: slower Debian 11 after upgrade from 10 Anssi Saari <as@sci.fi> - 2021-10-05 14:20 +0200
      Re: slower Debian 11 after upgrade from 10 Greg Wooledge <greg@wooledge.org> - 2021-10-05 14:30 +0200
        Re: slower Debian 11 after upgrade from 10 Stefan Monnier <monnier@iro.umontreal.ca> - 2021-10-05 15:10 +0200
    Re: slower Debian 11 after upgrade from 10 L Dimov <lddimov@yahoo.com> - 2021-10-05 15:30 +0200
  Re: slower Debian 11 after upgrade from 10 George Shuklin <george.shuklin@gmail.com> - 2021-10-05 15:30 +0200
  Re: slower Debian 11 after upgrade from 10 piorunz <piorunz@gmx.com> - 2021-10-05 21:00 +0200
    Re: slower Debian 11 after upgrade from 10 L Dimov <lddimov@yahoo.com> - 2021-10-06 04:30 +0200

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