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Re: [Qemu-devel] [PATCH v3 0/9] hmp command IO- and Local APIC dump stat
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/9] hmp command IO- and Local APIC dump state |
Date: |
Mon, 21 Sep 2015 15:59:38 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
On 21/09/2015 12:57, Denis V. Lunev wrote:
> Added the hmp command to query IO- and Local APIC registers state,
> it can be very useful to identify problems related to the emulation devices.
>
> (qemu) info lapic
> dumping local APIC state for CPU 0
>
> LVT0 0x00010700 active-hi edge masked ExtINT (vec 0)
> LVT1 0x00000400 active-hi edge NMI
> LVTPC 0x00010000 active-hi edge masked Fixed (vec 0)
> LVTERR 0x000000fe active-hi edge Fixed (vec
> 254)
> LVTTHMR 0x00010000 active-hi edge masked Fixed (vec 0)
> LVTT 0x000000ef active-hi edge one-shot Fixed (vec
> 239)
> Timer DCR=0x3 (divide by 16) initial_count = 62278
> SPIV 0x000001ff APIC enabled, focus=off, spurious vec 255
> ICR 0x000000fd physical edge de-assert no
s/no/no-shorthand/ or similar.
> ICR2 0x00000001 cpu 1 (X2APIC ID)
> ESR 0x00000000
> ISR
Adding a "(none)" here would be nice.
> IRR 239
>
> APR 0x00 TPR 0x00 DFR 0x0f LDR 0x00 PPR 0x00
>
> (qemu) info ioapic
> ioapic id=0x00 sel=0x2e (redir[15])
> pin 0 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 1 0x0000000000000031 dest=0 vec=49 active-hi edge fixed
> physical
> pin 2 0x0000000000000030 dest=0 vec=48 active-hi edge fixed
> physical
> pin 3 0x0000000000000033 dest=0 vec=51 active-hi edge fixed
> physical
> pin 4 0x0000000000010034 dest=0 vec=52 active-hi edge masked fixed
> physical
> pin 5 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 6 0x0000000000000036 dest=0 vec=54 active-hi edge fixed
> physical
> pin 7 0x0000000000000037 dest=0 vec=55 active-hi edge fixed
> physical
> pin 8 0x0000000000000038 dest=0 vec=56 active-hi edge fixed
> physical
> pin 9 0x0000000000018041 dest=0 vec=65 active-hi level masked fixed
> physical
> pin 10 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 11 0x0300000000008081 dest=3 vec=129 active-hi level fixed
> physical
> pin 12 0x000000000000003c dest=0 vec=60 active-hi edge fixed
> physical
> pin 13 0x000000000000003d dest=0 vec=61 active-hi edge fixed
> physical
> pin 14 0x000000000000003e dest=0 vec=62 active-hi edge fixed
> physical
> pin 15 0x000000000000003f dest=0 vec=63 active-hi edge fixed
> physical
> pin 16 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 17 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 18 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 19 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 20 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 21 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 22 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> pin 23 0x0000000000010000 dest=0 vec=0 active-hi edge masked fixed
> physical
> IRR (none)
I would print IRR as a bitmap here, like ISR/IRR in the local APIC dump.
Similarly, it would be nice to print the "Remote IRR" bits of the
redirection table (printing them as a bitmap with the same format).
>
> Changes from v1:
> - implementation of hmp commands moved to the target-i386 part
> - the cpu_dump_apic_local_state interface moved to the target-i386 part
>
> Changes from v2:
> - lapic and ioapic format dump are fixed for more human readable view
>
> Signed-off-by: Pavel Butsykin <address@hidden>
> Signed-off-by: Denis V. Lunev <address@hidden>
> CC: Paolo Bonzini <address@hidden>
> CC: Andreas Färber <address@hidden>
I would like a second look at the HMP code.
Paolo
> Pavel Butsykin (9):
> apic_internal.h: make some apic_get_* functions externally visible
> apic_internal.h: rename ESR_ILLEGAL_ADDRESS to
> APIC_ESR_ILLEGAL_ADDRESS
> apic_internal.h: added more constants
> apic_internal.h: fix formatting and drop unused consts
> monitor: make monitor_fprintf and mon_get_cpu externally visible
> hmp: added local apic dump state
> ioapic_internal.h: added more constants
> hmp: added io apic dump state
> hmp: implemented io apic dump state for TCG
>
> disas.c | 10 --
> hmp-commands-info.hx | 32 +++++++
> hw/i386/kvm/ioapic.c | 10 ++
> hw/intc/apic.c | 22 +----
> hw/intc/ioapic.c | 12 +++
> hw/intc/ioapic_common.c | 37 ++++++++
> include/hw/i386/apic_internal.h | 96 ++++++++++++++++---
> include/hw/i386/ioapic_internal.h | 7 ++
> include/hw/i386/pc.h | 5 +
> include/monitor/hmp-target.h | 3 +
> include/monitor/monitor.h | 1 +
> monitor.c | 5 +-
> target-i386/cpu.h | 3 +
> target-i386/helper.c | 190
> ++++++++++++++++++++++++++++++++++++++
> target-i386/monitor.c | 17 ++++
> 15 files changed, 407 insertions(+), 43 deletions(-)
>
- [Qemu-devel] [PATCH v3 0/9] hmp command IO- and Local APIC dump state, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 3/9] apic_internal.h: added more constants, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 5/9] monitor: make monitor_fprintf and mon_get_cpu externally visible, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 2/9] apic_internal.h: rename ESR_ILLEGAL_ADDRESS to APIC_ESR_ILLEGAL_ADDRESS, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 1/9] apic_internal.h: make some apic_get_* functions externally visible, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 4/9] apic_internal.h: fix formatting and drop unused consts, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 7/9] ioapic_internal.h: added more constants, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 6/9] hmp: added local apic dump state, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 8/9] hmp: added io apic dump state, Denis V. Lunev, 2015/09/21
- [Qemu-devel] [PATCH 9/9] hmp: implemented io apic dump state for TCG, Denis V. Lunev, 2015/09/21
- Re: [Qemu-devel] [PATCH v3 0/9] hmp command IO- and Local APIC dump state,
Paolo Bonzini <=