Re: [Qemu-devel] QEMU timing requirements

2011-06-26 Thread felix.matenaar@rwth-aachen
On 06/26/2011 06:49 AM, Mulyadi Santosa wrote: On Sun, Jun 26, 2011 at 05:29, felix.matenaar@rwth-aachen wrote: Think I found the problem. It was a bug in my code and because of some weird circumstances, backtrace and addresses seemed to be a segfault in a BBL. glad you find it. care to s

Re: [Qemu-devel] QEMU timing requirements

2011-06-25 Thread Mulyadi Santosa
On Sun, Jun 26, 2011 at 05:29, felix.matenaar@rwth-aachen wrote: > Think I found the problem. It was a bug in my code and because of some weird > circumstances, backtrace and addresses seemed to be a segfault in a BBL. glad you find it. care to share to everyone what's really goin' on? who kn

Re: [Qemu-devel] QEMU timing requirements

2011-06-25 Thread felix.matenaar@rwth-aachen
On 06/25/2011 10:02 PM, Mulyadi Santosa wrote: On Sat, Jun 25, 2011 at 23:28, felix.matenaar@rwth-aachen wrote: No. What I do is using gen_helper_ to compile hooks into call/ret/jmp and memory access. The Heuristics can then hook the events so calculation is done during the execution of a basi

Re: [Qemu-devel] QEMU timing requirements

2011-06-25 Thread Mulyadi Santosa
On Sat, Jun 25, 2011 at 23:28, felix.matenaar@rwth-aachen wrote: > No. What I do is using gen_helper_ to compile hooks into call/ret/jmp and > memory access. The Heuristics can then hook the events so calculation is > done during the execution of a basic block. I thought that it could be > possibl

Re: [Qemu-devel] QEMU timing requirements

2011-06-25 Thread felix.matenaar@rwth-aachen
On 06/25/2011 06:26 AM, Mulyadi Santosa wrote: On Sat, Jun 25, 2011 at 09:34, felix.matenaar@rwth-aachen wrote: Hello, I am currently implementing some heuristics using a patched qemu (i386-softmmu). Two of them take some time for each vm memory access. If I run them both, suddenly qemu segfa

Re: [Qemu-devel] QEMU timing requirements

2011-06-24 Thread Mulyadi Santosa
On Sat, Jun 25, 2011 at 09:34, felix.matenaar@rwth-aachen wrote: > Hello, > > I am currently implementing some heuristics using a patched qemu > (i386-softmmu). Two of them take some time for each vm memory access. If I > run them both, suddenly qemu segfaults while executing a BBL. Using just one

[Qemu-devel] QEMU timing requirements

2011-06-24 Thread felix.matenaar@rwth-aachen
Hello, I am currently implementing some heuristics using a patched qemu (i386-softmmu). Two of them take some time for each vm memory access. If I run them both, suddenly qemu segfaults while executing a BBL. Using just one of them never triggers this problem. Are there any known timing issue