Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation

[Artyom Tarasenko]

On Thu, Sep 10, 2015 at 1:02 PM, Dennis Luehring <address@hidden> wrote:
> Am 10.09.2015 um 12:37 schrieb Dennis Luehring:
>>
>> Am 10.09.2015 um 11:54 schrieb Artyom Tarasenko:
>> > On Thu, Sep 10, 2015 at 11:32 AM, Dennis Luehring<address@hidden>
>> > wrote:
>> >> >Am 10.09.2015 um 09:00 schrieb Artyom Tarasenko:
>> >>>> >>>
>> >>>>> >>> >strangly your branch doesn't changed anything for pure SPARC64
>> >>>>> >>> > in my
>> >>>>> >>> >tests -
>> >>>>> >>> >i've always completely removed the qemu folder and cleanly
>> >>>>> >>> > rebuild
>> >>>>> >>> >(all based on stable shell-scripts)
>> >>> >>
>> >>> >>Can you please show "perf top" of the qemu-system-sparc64 process on
>> >>> >>the host, when your g++ compilation is running?
>> >> >
>> >> >
>> >> >http://pastebin.com/nUkhWTj4
>> > Thanks.
>> > 1.94%  qemu-system-sparc64  [.] gen_intermediate_code_pc
>> >
>> > I suppose this was done on master? Richard's patch 5e3407a removes the
>> > gen_intermediate_code_pc.
>>
>> i didn't include the patches - just git-master and tcg-search-2 branch
>>
>> >
>> > Can you also show the perf top of the tcg-search-2 branch run?
>>
>> perf top from tcg-search-2 branch
>>
>> http://pastebin.com/AtASpQvk
>
>
> cd ~/
> rm -rf qemu
> git clonegit://github.com/rth7680/qemu.git
> git checkout tcg-search-2
> cd qemu
> ./configure --target-list=sparc64-softmmu
> make
>
> what else can i do to get the correct source? there is no other version of
> qemu on my
> system only the always rebuild ~/qemu

I usually build out of tree, this way it's possible to remove the
build directory completely without the necessity to fetch the source
tree.

You can try
make distclean
# ensure that you are in the proper branch:
$  git log -1
commit 98cb3e2ecffd126177f43634b643be81bdc764e7
Author: Richard Henderson <address@hidden>
Date:   Tue Sep 1 20:07:48 2015 -0700
    tcg: Remove tcg_gen_code_search_pc
    It's no longer used, so tidy up everything reached by it.
Artyom

-- 
Regards,
Artyom Tarasenko

SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu