From: Peter Xu <peterx@redhat.com>
To: "Philippe Mathieu-Daudé" <philmd@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>,
David Hildenbrand <david@redhat.com>,
Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
qemu-devel@nongnu.org, Gerd Hoffmann <kraxel@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [PATCH v6 2/2] memory: Have 'info mtree' remove duplicated Address Space information
Date: Fri, 3 Sep 2021 12:39:59 -0400 [thread overview]
Message-ID: <YTJP34IFfGAJ4oDp@t490s> (raw)
In-Reply-To: <20210903160619.699632-3-philmd@redhat.com>
On Fri, Sep 03, 2021 at 06:06:19PM +0200, Philippe Mathieu-Daudé wrote:
> Per Peter Maydell [*]:
>
> 'info mtree' monitor command was designed on the assumption that
> there's really only one or two interesting address spaces, and
> with more recent developments that's just not the case any more.
>
> Similarly about how the FlatView are sorted using a GHashTable,
> sort the AddressSpace objects to remove the duplications (AS
> using the same root MemoryRegion).
>
> This drastically reduces the output of 'info mtree' on some boards.
>
> Before:
>
> $ (echo info mtree; echo q) \
> | qemu-system-aarch64 -S -monitor stdio -M raspi3b \
> | wc -l
> 423
>
> After:
>
> $ (echo info mtree; echo q) \
> | qemu-system-aarch64 -S -monitor stdio -M raspi3b \
> | wc -l
> 106
>
> (qemu) info mtree
> address-space: I/O
> 0000000000000000-000000000000ffff (prio 0, i/o): io
>
> address-space: cpu-memory-0
> address-space: cpu-memory-1
> address-space: cpu-memory-2
> address-space: cpu-memory-3
> address-space: cpu-secure-memory-0
> address-space: cpu-secure-memory-1
> address-space: cpu-secure-memory-2
> address-space: cpu-secure-memory-3
> address-space: memory
> 0000000000000000-ffffffffffffffff (prio 0, i/o): system
> 0000000000000000-000000003fffffff (prio 0, ram): ram
> 000000003f000000-000000003fffffff (prio 1, i/o): bcm2835-peripherals
> 000000003f003000-000000003f00301f (prio 0, i/o): bcm2835-sys-timer
> 000000003f004000-000000003f004fff (prio -1000, i/o): bcm2835-txp
> 000000003f006000-000000003f006fff (prio 0, i/o): mphi
> 000000003f007000-000000003f007fff (prio 0, i/o): bcm2835-dma
> 000000003f00b200-000000003f00b3ff (prio 0, i/o): bcm2835-ic
> 000000003f00b400-000000003f00b43f (prio -1000, i/o): bcm2835-sp804
> 000000003f00b800-000000003f00bbff (prio 0, i/o): bcm2835-mbox
> 000000003f100000-000000003f1001ff (prio 0, i/o): bcm2835-powermgt
> 000000003f101000-000000003f102fff (prio 0, i/o): bcm2835-cprman
> 000000003f104000-000000003f10400f (prio 0, i/o): bcm2835-rng
> 000000003f200000-000000003f200fff (prio 0, i/o): bcm2835_gpio
> 000000003f201000-000000003f201fff (prio 0, i/o): pl011
> 000000003f202000-000000003f202fff (prio 0, i/o): bcm2835-sdhost
> 000000003f203000-000000003f2030ff (prio -1000, i/o): bcm2835-i2s
> 000000003f204000-000000003f20401f (prio -1000, i/o): bcm2835-spi0
> 000000003f205000-000000003f20501f (prio -1000, i/o): bcm2835-i2c0
> 000000003f20f000-000000003f20f07f (prio -1000, i/o): bcm2835-otp
> 000000003f212000-000000003f212007 (prio 0, i/o): bcm2835-thermal
> 000000003f214000-000000003f2140ff (prio -1000, i/o): bcm2835-spis
> 000000003f215000-000000003f2150ff (prio 0, i/o): bcm2835-aux
> 000000003f300000-000000003f3000ff (prio 0, i/o): sdhci
> 000000003f600000-000000003f6000ff (prio -1000, i/o): bcm2835-smi
> 000000003f804000-000000003f80401f (prio -1000, i/o): bcm2835-i2c1
> 000000003f805000-000000003f80501f (prio -1000, i/o): bcm2835-i2c2
> 000000003f900000-000000003f907fff (prio -1000, i/o): bcm2835-dbus
> 000000003f910000-000000003f917fff (prio -1000, i/o): bcm2835-ave0
> 000000003f980000-000000003f990fff (prio 0, i/o): dwc2
> 000000003f980000-000000003f980fff (prio 0, i/o): dwc2-io
> 000000003f981000-000000003f990fff (prio 0, i/o): dwc2-fifo
> 000000003fc00000-000000003fc00fff (prio -1000, i/o): bcm2835-v3d
> 000000003fe00000-000000003fe000ff (prio -1000, i/o): bcm2835-sdramc
> 000000003fe05000-000000003fe050ff (prio 0, i/o): bcm2835-dma-chan15
> 0000000040000000-00000000400000ff (prio 0, i/o): bcm2836-control
>
> address-space: bcm2835-dma-memory
> address-space: bcm2835-fb-memory
> address-space: bcm2835-property-memory
> address-space: dwc2
> 0000000000000000-00000000ffffffff (prio 0, i/o): bcm2835-gpu
> 0000000000000000-000000003fffffff (prio 0, ram): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff
> 0000000040000000-000000007fffffff (prio 0, ram): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff
> 000000007e000000-000000007effffff (prio 1, i/o): alias bcm2835-peripherals @bcm2835-peripherals 0000000000000000-0000000000ffffff
> 0000000080000000-00000000bfffffff (prio 0, ram): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff
> 00000000c0000000-00000000ffffffff (prio 0, ram): alias bcm2835-gpu-ram-alias[*] @ram 0000000000000000-000000003fffffff
>
> address-space: bcm2835-mbox-memory
> 0000000000000000-000000000000008f (prio 0, i/o): bcm2835-mbox
> 0000000000000010-000000000000001f (prio 0, i/o): bcm2835-fb
> 0000000000000080-000000000000008f (prio 0, i/o): bcm2835-property
>
> memory-region: ram
> 0000000000000000-000000003fffffff (prio 0, ram): ram
>
> memory-region: bcm2835-peripherals
> 000000003f000000-000000003fffffff (prio 1, i/o): bcm2835-peripherals
> 000000003f003000-000000003f00301f (prio 0, i/o): bcm2835-sys-timer
> 000000003f004000-000000003f004fff (prio -1000, i/o): bcm2835-txp
> 000000003f006000-000000003f006fff (prio 0, i/o): mphi
> 000000003f007000-000000003f007fff (prio 0, i/o): bcm2835-dma
> 000000003f00b200-000000003f00b3ff (prio 0, i/o): bcm2835-ic
> 000000003f00b400-000000003f00b43f (prio -1000, i/o): bcm2835-sp804
> 000000003f00b800-000000003f00bbff (prio 0, i/o): bcm2835-mbox
> 000000003f100000-000000003f1001ff (prio 0, i/o): bcm2835-powermgt
> 000000003f101000-000000003f102fff (prio 0, i/o): bcm2835-cprman
> 000000003f104000-000000003f10400f (prio 0, i/o): bcm2835-rng
> 000000003f200000-000000003f200fff (prio 0, i/o): bcm2835_gpio
> 000000003f201000-000000003f201fff (prio 0, i/o): pl011
> 000000003f202000-000000003f202fff (prio 0, i/o): bcm2835-sdhost
> 000000003f203000-000000003f2030ff (prio -1000, i/o): bcm2835-i2s
> 000000003f204000-000000003f20401f (prio -1000, i/o): bcm2835-spi0
> 000000003f205000-000000003f20501f (prio -1000, i/o): bcm2835-i2c0
> 000000003f20f000-000000003f20f07f (prio -1000, i/o): bcm2835-otp
> 000000003f212000-000000003f212007 (prio 0, i/o): bcm2835-thermal
> 000000003f214000-000000003f2140ff (prio -1000, i/o): bcm2835-spis
> 000000003f215000-000000003f2150ff (prio 0, i/o): bcm2835-aux
> 000000003f300000-000000003f3000ff (prio 0, i/o): sdhci
> 000000003f600000-000000003f6000ff (prio -1000, i/o): bcm2835-smi
> 000000003f804000-000000003f80401f (prio -1000, i/o): bcm2835-i2c1
> 000000003f805000-000000003f80501f (prio -1000, i/o): bcm2835-i2c2
> 000000003f900000-000000003f907fff (prio -1000, i/o): bcm2835-dbus
> 000000003f910000-000000003f917fff (prio -1000, i/o): bcm2835-ave0
> 000000003f980000-000000003f990fff (prio 0, i/o): dwc2
> 000000003f980000-000000003f980fff (prio 0, i/o): dwc2-io
> 000000003f981000-000000003f990fff (prio 0, i/o): dwc2-fifo
> 000000003fc00000-000000003fc00fff (prio -1000, i/o): bcm2835-v3d
> 000000003fe00000-000000003fe000ff (prio -1000, i/o): bcm2835-sdramc
> 000000003fe05000-000000003fe050ff (prio 0, i/o): bcm2835-dma-chan15
>
> (qemu) q
>
> [*] https://www.mail-archive.com/qemu-devel@nongnu.org/msg829821.html
>
> Suggested-by: Peter Maydell <peter.maydell@linaro.org>
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> Reviewed-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Thanks Phil.
Reviewed-by: Peter Xu <peterx@redhat.com>
--
Peter Xu
prev parent reply other threads:[~2021-09-03 16:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-03 16:06 [PATCH v6 0/2] memory: Have 'info mtree' remove duplicated Address Space information Philippe Mathieu-Daudé
2021-09-03 16:06 ` [PATCH v6 1/2] memory: Split mtree_info() as mtree_info_flatview() + mtree_info_as() Philippe Mathieu-Daudé
2021-09-03 16:06 ` [PATCH v6 2/2] memory: Have 'info mtree' remove duplicated Address Space information Philippe Mathieu-Daudé
2021-09-03 16:39 ` Peter Xu [this message]
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=YTJP34IFfGAJ4oDp@t490s \
--to=peterx@redhat.com \
--cc=david@redhat.com \
--cc=kraxel@redhat.com \
--cc=mark.cave-ayland@ilande.co.uk \
--cc=pbonzini@redhat.com \
--cc=peter.maydell@linaro.org \
--cc=philmd@redhat.com \
--cc=qemu-devel@nongnu.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.