On 4/17/20 2:20 AM, Philippe Mathieu-Daudé wrote:
> --enable-debug enables --enable-debug-tcg which is not designed for
> performance. You might want to try '--enable-debug --disable-debug-tcg'.
More importantly, --enable-debug turns off compiler optimization. That is
going to be the biggest hit
On 4/17/20 1:14 PM, Peter Maydell wrote:
> On Fri, 17 Apr 2020 at 12:00, BALATON Zoltan wrote:
>> On Fri, 17 Apr 2020, Peter Maydell wrote:
>>> And yes, debug
>>> is slower (it builds QEMU without optimization enabled
>>> so it's easier to debug QEMU in gdb, and it turns on
>>> various extra sanit
On Fri, 17 Apr 2020, Peter Maydell wrote:
On Fri, 17 Apr 2020 at 01:43, Dennis Clarke via wrote:
Also I did compile qemu with --enable-debug --disable-strip and the
performance is truely horrific. I can only assume that those options
are the cause. Any thoughts from anyone would be wonderful.
On Fri, 17 Apr 2020 at 12:00, BALATON Zoltan wrote:
> On Fri, 17 Apr 2020, Peter Maydell wrote:
> > And yes, debug
> > is slower (it builds QEMU without optimization enabled
> > so it's easier to debug QEMU in gdb, and it turns on
> > various extra sanity checks.)
>
> Last time I've looked I've fo
On 4/17/20 12:50 PM, Dennis Clarke via wrote:
On 4/17/20 9:28 AM, Philippe Mathieu-Daudé wrote:
On 4/17/20 11:19 AM, Peter Maydell wrote:
Thanks for the report. Did this work with older QEMU?
This is very recent, from commit 0418bf78fe8 last month:
Date: Thu Mar 19 16:44:39 2020 +1000
On 4/17/20 9:28 AM, Philippe Mathieu-Daudé wrote:
On 4/17/20 11:19 AM, Peter Maydell wrote:
Thanks for the report. Did this work with older QEMU?
This is very recent, from commit 0418bf78fe8 last month:
Date: Thu Mar 19 16:44:39 2020 +1000
target/ppc: Fix ISA v3.0 (POWER9) slbia impl
On 4/17/20 11:19 AM, Peter Maydell wrote:
>> Thanks for the report. Did this work with older QEMU?
This is very recent, from commit 0418bf78fe8 last month:
Date: Thu Mar 19 16:44:39 2020 +1000
target/ppc: Fix ISA v3.0 (POWER9) slbia implementation
The new ISA v3.0 slbia variants have
Hi Dennis,
On 4/17/20 2:42 AM, Dennis Clarke via wrote:>
> Very strange messages from qemu 5.0.0-rc3 wherein I try to run :
>
> $ /usr/local/bin/qemu-system-ppc64 --version
> QEMU emulator version 4.2.93
> Copyright (c) 2003-2020 Fabrice Bellard and the QEMU Project developers
> $
> $
> $ /usr/loc
On Fri, 17 Apr 2020 at 10:16, David Gibson wrote:
>
> On Fri, Apr 17, 2020 at 10:01:53AM +0100, Peter Maydell wrote:
> > David -- is this a known bug?
>
> Not known to me.
I see Philippe's just posted a patch for it :-)
thanks
-- PMM
On Fri, Apr 17, 2020 at 10:01:53AM +0100, Peter Maydell wrote:
> On Fri, 17 Apr 2020 at 01:43, Dennis Clarke via
> wrote:
> >
> >
> > Very strange messages from qemu 5.0.0-rc3 wherein I try to run :
>
> Thanks for the report. Did this work with older QEMU?
>
> > $ /usr/local/bin/qemu-system-ppc
On Fri, 17 Apr 2020 at 01:43, Dennis Clarke via wrote:
>
>
> Very strange messages from qemu 5.0.0-rc3 wherein I try to run :
Thanks for the report. Did this work with older QEMU?
> $ /usr/local/bin/qemu-system-ppc64 --version
> QEMU emulator version 4.2.93
> Copyright (c) 2003-2020 Fabrice Bell
Very strange messages from qemu 5.0.0-rc3 wherein I try to run :
$ /usr/local/bin/qemu-system-ppc64 --version
QEMU emulator version 4.2.93
Copyright (c) 2003-2020 Fabrice Bellard and the QEMU Project developers
$
$
$ /usr/local/bin/qemu-system-ppc64 \
> -machine pseries-4.1 -cpu power9 -smp 4 -
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