Daniel Oberski wrote on 02/04/2008 02:21 PM: > Dear R developers > > > I am running an instrumented build of R 2.6.1 on ubuntu, compiled with > option configure --with-valgrind-instrumentation=3. > > If run valgrind R then I get all sorts of warnings. I was wondering > whether I should worry about them or not.
Don't worry about them. Those are benign issues with the system libraries.. insofar as you trust those libraries, which you should... in general. Jeff > > First, when I open R as follows: > > $R -d "valgrind --tool=memcheck --leak-check=full > --show-reachable=yes" --vanilla > > I get a whole bunch of > > > ==888== Invalid read of size 4 > ==888== at 0x4014787: (within /lib/ld-2.5.so) > ... > ==888== Address 0x50794A4 is 44 bytes inside a block of size 47 alloc'd > ==888== at 0x4021620: malloc (vg_replace_malloc.c:149) > ==888== by 0x4006EB4: (within /lib/ld-2.5.so) > ... > > Second, when I exit R I get memory leak reports: > > ==888== LEAK SUMMARY: > ==888== definitely lost: 132 bytes in 17 blocks. > ==888== indirectly lost: 240 bytes in 20 blocks. > ==888== possibly lost: 0 bytes in 0 blocks. > ==888== still reachable: 13,110,032 bytes in 6,340 blocks. > ==888== suppressed: 0 bytes in 0 blocks. > > > I am sorry if this is a stupid question, please be gentle. What should > I make of this? > > I was trying to check my own C program (as a standalone program it > does not produce any valgrind warnings), but now I am not sure what is > going on when using valgrind on R.. > > > Best regards, > daniel > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel -- http://biostat.mc.vanderbilt.edu/JeffreyHorner ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
