Re: [Qemu-devel] memory trace with qemu

2010-08-11 Thread Eduardo Cruz
: > > > > > >> On 7/26/2010 6:20 AM, Llu?s wrote: > > >> > Eduardo Cruz writes: > [..snip..] > > > >> > > >> In the context of another simulator, we developed a different > > >> technique, which would be quite general and mi

Re: [Qemu-devel] memory trace with qemu

2010-07-26 Thread Eduardo Cruz
es, I need to distinguish between threads of the same process, but I already solved this by hacking the linux context switcher procedure. 2010/7/26 Lluís : > Eduardo Cruz writes: > >> In the modification: >>  Oh! BTW, my current prototype uses code like this on target-x86/translate.

Re: [Qemu-devel] memory trace with qemu

2010-07-26 Thread Eduardo Cruz
nly record the memory access of specific process. I already do this using simics, but it is extremely slow. 2010/7/26 Yufei Chen > > On Mon, Jul 26, 2010 at 6:20 PM, Lluís wrote: > > Eduardo Cruz writes: > > > >> Thanks for your awnsers. Stean, after I find the right pla

Re: [Qemu-devel] memory trace with qemu

2010-07-25 Thread Eduardo Cruz
> >>> Hi... > >>> > >>> On Fri, Jul 23, 2010 at 05:30, Eduardo Cruz > wrote: > >>>> Hello, I need qemu to keep track of all the memory access made by the > guest, > >>>> including read, write and the instruction fetches. &

[Qemu-devel] memory trace with qemu

2010-07-22 Thread Eduardo Cruz
Hello, I need qemu to keep track of all the memory access made by the guest, including read, write and the instruction fetches. I was using Simics to acomplish this task, but it is very slow. I need the virtual address, the size of the operation, the cycle number when it happened and if it is a rea

[Qemu-devel] Qemu linux user mode and multi thread

2010-07-03 Thread Eduardo Cruz
I get the following error message when running an OpenMP hello world application: edua...@eduardo-ubuntu:~/qemu/qemu-0.12.4$ ./x86_64-linux-user/qemu-x86_64 ../a.out ERROR: ioctl(SNDCTL_DSP_MAPINBUF): target=0x80085013 host=0x80105013 ERROR: ioctl(SNDCTL_DSP_MAPOUTBUF): target=0x80085014 host=0x80