On Wed, Sep 12, 2012 at 6:14 AM, Lluís Vilanova <vilan...@ac.upc.edu> wrote: > Xin Tong writes: > >> i do not know. could be similar. I am doing architecture research. i >> need traces of memory access for programming running under a full >> system environment, so i wrote this. > >> i do nto seem to be able to access the linked provided from the link >> you give me though. > >> https://projects.gso.ac.upc.edu/projects/qemu-dbi/wiki > > Well, if you tried to access it during the last few days, we've been having > some > issues with the server. > > It should all work now. > > The main idea is to have an API similar in spirit to that of PIN [1]. You can > have a look at the instrumentation docs [2] for some simple examples. > > I had some plans to modify QEMU's address translation mechanism to provide a > performant mechanism to retrieve physical addresses (traces of virtual > addresses > are already supported), but that will have to wait until I finish some other > unrelated tasks. > > > [1] http://pintool.org > [2] > https://projects.gso.ac.upc.edu/projects/qemu-dbi/repository/entry/docs/instrumentation.txt#L202
By the way Luis. this is exactly what i am doing. i am writing up a ISPASS paper for this as well. I am also using PIN to verify the instrumentation interface. Xin > > Lluis > > > >> On Tue, Sep 11, 2012 at 6:52 PM, 陳韋任 (Wei-Ren Chen) >> <che...@iis.sinica.edu.tw> wrote: >>>> I have created a set of instrument API on QEMU. one can write client >>>> programs that compile into shared library. the shared library is then >>>> loaded into qemu and extract statistics out of QEMU. >>> >>> Instrument API? Same as what Liuis did? >>> >>> Regards, >>> chenwj >>> >>> [1] http://lists.gnu.org/archive/html/qemu-devel/2012-09/msg00379.html >>> >>> -- >>> Wei-Ren Chen (陳韋任) >>> Computer Systems Lab, Institute of Information Science, >>> Academia Sinica, Taiwan (R.O.C.) >>> Tel:886-2-2788-3799 #1667 >>> Homepage: http://people.cs.nctu.edu.tw/~chenwj > > > -- > "And it's much the same thing with knowledge, for whenever you learn > something new, the whole world becomes that much richer." > -- The Princess of Pure Reason, as told by Norton Juster in The Phantom > Tollbooth
