[Valgrind-users] valgrind analysis of a multi-threaded program

2011-11-24 Thread Peter Toft
Hi masters of the memory problems... I have an annoying problem, where I need some general hints. An you might know already I have been using valgrind (mostly memtool) for a long time - so the basics are ok. My current Linux-program give one valgrind error - at random - every ~0.01% of

Re: [Valgrind-users] hello, I have some question about compilation

2011-11-24 Thread Dallman, John
there is a multicore platform named tile64 http://en.wikipedia.org/wiki/TILE64 Now, I want to let valgrind execute onto this platform, does anyone know the exact way? TILE64 uses a MIPS-based instruction set. The platforms page on the Valgrind website,

Re: [Valgrind-users] hello, I have some question about compilation

2011-11-24 Thread Bart Van Assche
2011/11/24 奕楠 邱 magicmcgrad...@hotmail.com Sorry, recently, my research topic need the support of valgrind tool so, can I put the valgrind source code onto another platform and compile it? there is a multicore platform named tile64 http://en.wikipedia.org/wiki/TILE64 This might help:

Re: [Valgrind-users] valgrind analysis of a multi-threaded program

2011-11-24 Thread Peter Toft
On Thu, 24 Nov 2011 11:34:25 +0100, Julian Seward wrote: Question; Can I ... or should I ... also throw valgrind --tool=helgrind into the game? I have not been using this yet. You can use --tool=helgrind or --tool=drd to check threaded programs for errors. They provide similar

Re: [Valgrind-users] valgrind analysis of a multi-threaded program

2011-11-24 Thread Julian Seward
On Thursday, November 24, 2011, Peter Toft wrote: Since my problem happens very seldom, one follow-up question is whether I can combine --tool=memtool and --tool=drd in one run? No, you can't. But note: it might be that the problem occurs all the time (a race of some kind, for example) but

Re: [Valgrind-users] valgrind analysis of a multi-threaded program

2011-11-24 Thread Peter Toft
On Thu, 24 Nov 2011 14:25:57 +0100, Julian Seward wrote: On Thursday, November 24, 2011, Peter Toft wrote: Since my problem happens very seldom, one follow-up question is whether I can combine --tool=memtool and --tool=drd in one run? No, you can't. But note: it might be that the problem

[Valgrind-users] ARM Thumb unimplemented instruction

2011-11-24 Thread Alexander Graf
Hi list, While trying to debug some gcc breakage, I stumbled over an unimplemented opcode in 3.7.0: ==30077== Command: /usr/lib/gcc/armv7l-suse-linux-gnueabi/4.6/../../../../armv7l-suse-linux-gnueabi/bin/as -march=armv7-a -mfloat-abi=hard -mfpu=vfpv3-d16 -meabi=5 -o /tmp/ccP7oOkQ.o