Dear Stefan, Thanks for your quick answer, I'll look into it.
Regards, Gabor Wacha 2012.04.24. 6:33, "Stefan Weil" <s...@weilnetz.de> ezt írta: > Am 23.04.2012 18:18, schrieb Wacha Gábor: > >> Dear developers, I am a Hungarian student trying to use qemu for >> profiling bare metal ARM programs for my student research. On the following >> page, it is mentioned that one can generate cachegrind output with qemu: >> http://www.monstr.eu/wiki/**doku.php?id=qemu:qemu#run_**with_cachegrind<http://www.monstr.eu/wiki/doku.php?id=qemu:qemu#run_with_cachegrind>Unfortunately >> it does not work (altough I checked out the sources from the >> mentioned git repository), and I found out (using find and grep utilities), >> that cachegrind is not even mentioned in the qemu sources. My question is: >> does this feature exist? If the answer is yes, how can I use it? (And I am >> sorry for my English.) Thanks, Gabor Wacha >> > > Your English is good - much better than my Hungarian :-) > > Standard QEMU cannot produce cachegrind output. > > According to this mail, a derived version of QEMU supports > cachegrind output for CRIS and MicroBlaze emulation: > > http://lists.gnu.org/archive/**html/qemu-devel/2009-06/**msg01415.html<http://lists.gnu.org/archive/html/qemu-devel/2009-06/msg01415.html> > > I cc'ed the author, Edgar Iglesias. Here are the sources: > > http://repo.or.cz/w/qemu/cris-**port.git<http://repo.or.cz/w/qemu/cris-port.git> > > Cachegrind for ARM emulation is not supported and > would have to be implemented in QEMU. > > Profiling could also be done by using the TCG interpreter > and extending the interpreter main loop tcg_qemu_tb_exec > in tci.c. > > Regards, > > Stefan Weil > >
