On Mon, May 07, 2018 at 02:24:16PM -0400, Josh Hunt wrote: > Add the ability to specify a DSO in the /tmp/perf-<PID>.map file. > The DSO should be the first line in the file and readable by the > running user. If a valid DSO is found all other contents of the > file will be ignored. This allows things like callchain unwinding > with DWARF to work.
FWIW it's ok, but also obsolete with Kirill's large-pages-in-tmpfs work in newer kernels. With that you can just copy the executable into a 2MB tmpfs and disable the manual huge page copying and everything should work as usually. So essentially it's only a hack for old kernels and old binaries. But doesn't hurt I guess. -Andi
