Hello, One of our unprivileged daemon process needs process PSS info. That info is usually available in /proc/PID/smaps on per-vma basis, on in /proc/PID/smaps_rollup as a bunch of accumulated per-vma values. The latter one is much faster and simpler to get, but, unlike smaps, smaps_rollup requires PTRACE_MODE_READ, which we don't want to grant to our unprivileged daemon. So the question is - can we get, somehow, accumulated PSS info from a non-privileged process? (Iterating through all process' smaps vma-s consumes quite a bit of CPU time). This is related to another question - why do smaps and smaps_rollup have different permission requirements? -ss
