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| author | Daniel Colascione <dancol@google.com> | 2017-07-27 03:33:34 -0700 |
|---|---|---|
| committer | Daniel Colascione <dancol@google.com> | 2017-08-22 13:49:33 -0700 |
| commit | 6c51810b2b64e1a26ee89f8ba1dd7000a936b6cf (patch) | |
| tree | 0484ef01f44f298bd1f1f1e6fd71ac5a4d1abce6 /rs/java/android/renderscript/ProgramStore.java | |
| parent | 0862898a34014389fa6657eb75098510c1bc0d7e (diff) | |
Use /proc/pid/smaps_rollup when available
smaps_rollup saves CPU time by having the kernel sum smaps fields
before formatting each VMA's smaps; this way, user-space gets a single
dummy smaps entry with pre-summed fields, making it much less
expensive to measure PSS of large processes.
This change makes the Android framework attempt to use smaps_rollup
when available; we fall back to regular smaps when it isn't.
Test: pssbench; see log message about using smaps_rollup
Bug: 63439864
Change-Id: I66e207b02626e3287791e1348f35f58a8d94efe9
Diffstat (limited to 'rs/java/android/renderscript/ProgramStore.java')
0 files changed, 0 insertions, 0 deletions