https://b.hatena.ne.jp/entry/s/patchwork.kernel.org/patch/9892453/ /proc/pid/smaps_rollup is a new proc file that improves the performance of user programs that determine aggregate memory statistics (e.g., total PSS) of a process. Android regularly "samples" the m... https://b.hatena.ne.jp/nabinno/20171014#bookmark-346179891 2017-10-13T23:06:30Z linux kernel https://b.hatena.ne.jp/hiboma/20171013#bookmark-346179891 "/proc/pid/smaps_rollup" 2017-10-13T02:23:07Z