Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-15 Thread Mark Cave-Ayland
Blue Swirl wrote: Guest time can be unreliable, it could also indicate that Linux executes a lot more timer interrupts. Could you retest and measure the wall clock time? I think the C flag change should only increase performance. The next commit may have negative effects because more work is do

Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-10 Thread Blue Swirl
On 5/10/10, Mark Cave-Ayland wrote: > Blue Swirl wrote: > > > > Thanks a lot, with this patch my tests passed! I applied the combined > patch. > > > > Yes, I definitely see an improvement with this patch - at least my Debian > lenny SPARC boot cd doesn't randomly kernel panic any more. It looks a

Re: [Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-10 Thread Mark Cave-Ayland
Blue Swirl wrote: Thanks a lot, with this patch my tests passed! I applied the combined patch. Yes, I definitely see an improvement with this patch - at least my Debian lenny SPARC boot cd doesn't randomly kernel panic any more. It looks as if it now just can't find /init which could just be

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-09 Thread Blue Swirl
On 5/8/10, Igor Kovalenko wrote: > On Thu, May 6, 2010 at 10:51 PM, Blue Swirl wrote: > > On 5/5/10, Igor Kovalenko wrote: > >> On Wed, May 5, 2010 at 12:21 AM, Blue Swirl wrote: > >> > On 5/3/10, Igor Kovalenko wrote: > >> >> On Mon, May 3, 2010 at 11:54 PM, Blue Swirl > wrote: > >>

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-07 Thread Igor Kovalenko
On Thu, May 6, 2010 at 10:51 PM, Blue Swirl wrote: > On 5/5/10, Igor Kovalenko wrote: >> On Wed, May 5, 2010 at 12:21 AM, Blue Swirl wrote: >>  > On 5/3/10, Igor Kovalenko wrote: >>  >> On Mon, May 3, 2010 at 11:54 PM, Blue Swirl wrote: >>  >>  > On 5/3/10, Igor Kovalenko wrote: >>  >>  >> On

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-06 Thread Blue Swirl
On 5/5/10, Igor Kovalenko wrote: > On Wed, May 5, 2010 at 12:21 AM, Blue Swirl wrote: > > On 5/3/10, Igor Kovalenko wrote: > >> On Mon, May 3, 2010 at 11:54 PM, Blue Swirl wrote: > >> > On 5/3/10, Igor Kovalenko wrote: > >> >> On Mon, May 3, 2010 at 11:24 PM, Blue Swirl > wrote: > >>

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-05 Thread Igor Kovalenko
On Wed, May 5, 2010 at 12:21 AM, Blue Swirl wrote: > On 5/3/10, Igor Kovalenko wrote: >> On Mon, May 3, 2010 at 11:54 PM, Blue Swirl wrote: >>  > On 5/3/10, Igor Kovalenko wrote: >>  >> On Mon, May 3, 2010 at 11:24 PM, Blue Swirl wrote: >>  >>  > On 5/3/10, Igor Kovalenko wrote: >>  >>  >> Hi

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-05 Thread Blue Swirl
On 5/3/10, Igor Kovalenko wrote: > On Mon, May 3, 2010 at 11:54 PM, Blue Swirl wrote: > > On 5/3/10, Igor Kovalenko wrote: > >> On Mon, May 3, 2010 at 11:24 PM, Blue Swirl wrote: > >> > On 5/3/10, Igor Kovalenko wrote: > >> >> Hi! > >> >> > >> >> There is an issue with lazy conditio

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Igor Kovalenko
On Mon, May 3, 2010 at 11:54 PM, Blue Swirl wrote: > On 5/3/10, Igor Kovalenko wrote: >> On Mon, May 3, 2010 at 11:24 PM, Blue Swirl wrote: >>  > On 5/3/10, Igor Kovalenko wrote: >>  >> Hi! >>  >> >>  >>  There is an issue with lazy conditional codes evaluation where >>  >>  we return from trap

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Blue Swirl
On 5/3/10, Igor Kovalenko wrote: > On Mon, May 3, 2010 at 11:24 PM, Blue Swirl wrote: > > On 5/3/10, Igor Kovalenko wrote: > >> Hi! > >> > >> There is an issue with lazy conditional codes evaluation where > >> we return from trap handler with mismatching conditionals. > >> > >> I seldo

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Igor Kovalenko
On Mon, May 3, 2010 at 11:24 PM, Blue Swirl wrote: > On 5/3/10, Igor Kovalenko wrote: >> Hi! >> >>  There is an issue with lazy conditional codes evaluation where >>  we return from trap handler with mismatching conditionals. >> >>  I seldom reproduce it here when dragging qemu window while >>  m

[Qemu-devel] Re: sparc64 lazy conditional codes evaluation

2010-05-03 Thread Blue Swirl
On 5/3/10, Igor Kovalenko wrote: > Hi! > > There is an issue with lazy conditional codes evaluation where > we return from trap handler with mismatching conditionals. > > I seldom reproduce it here when dragging qemu window while > machine is working through silo initialization. I use gentoo m