| commit | f729cb5fd654a0f099128734f849800fde9ba525 | [log] [tgz] |
|---|---|---|
| author | Chenbo Feng <fengc@google.com> | Wed Feb 27 19:07:39 2019 -0800 |
| committer | Chenbo Feng <fengc@google.com> | Wed Apr 10 12:59:38 2019 -0700 |
| tree | a2ed488818a4b6fee8a916121c935eda91f1b242 | |
| parent | 8d2a88c50dcd6f629dbb54f2180e1114494e7da9 [diff] |
Ask netd to swap stats map before reading
To avoid protentail race problem between netd and system_server when
reading the network stats map. Always inform netd before reading the
stats and let netd to do a swap between active stats map and inactive
stats map. So the system_server can safely remove the stats after
reading.
Bug: 126620214
Test: android.app.usage.cts.NetworkUsageStatsTest
android.net.cts.TrafficStatsTest
Change-Id: I8fa37c26bec23ffca0b29b679e72ba1189f557f1