I've just discovered the fantastic tool perf on Linux.

I profiled a D program with this but when I call

    perf report

the symbols are not demangled.

I'm aware of `ddemangle` but this only works in batch-processing mode. I could always dump the output to a file for viewing. But it would be great if someone have found a solution to demangle the symbols *before* they are added to the perf database file.