Em Tue, Jun 16, 2015 at 12:03:01AM -0700, Stephane Eranian escreveu: > Hi, > > It has been brought to my attention that on systems where the text > of shared libs is not loaded with a zero virtual address, perf report > fails to symbolize > correctly samples. This is true of older versions of perf and also the latest > in tip.git. > > I looked at symbol-elf.c and I did not see a place where the vaddr was taken > into account from the program headers in the case of ET_DYN. I see it for > ET_EXE, though. > > $ readelf -e lib.so > Type: DYN (Shared object file) > .... > Type Offset VirtAddr PhysAddr FileSiz MemSiz Flg Align > LOAD 0x000000 0x0000d000 0x0000d000 0x73657c 0x73657c R E 0x1000 > > If you get samples in the shared lib, they will be off, possibly > attributed to the wrong > functions. > > Could this be fixed quickly?
You tell me, do you have a patch to propose? :-) - Arnaldo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
