perf ui/gtk: Add support to accumulated hist stat
perf ui/gtk: Add support to accumulated hist stat

Print accumulated stat of a hist entry if requested.

Signed-off-by: Namhyung Kim <5c915a589b3ddf58cebf14bec41bcc143b37ac3c@kernel.org>
Tested-by: Arun Sharma <c2cb8b536bb785a11a9303a3d5590407e9ac6d77@fb.com>
Tested-by: Rodrigo Campos <6dfa9cecb562e345739f2e4eb69e9ebd0fbff687@sdfg.com.ar>
Cc: Frederic Weisbecker <e8a1bf9163cb25e93cfd6540f223b3872ea7ee55@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-13-git-send-email-5c915a589b3ddf58cebf14bec41bcc143b37ac3c@kernel.org
Signed-off-by: Jiri Olsa <2c6594f608aa3d41e98d48846a6328831f7084ad@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs