内存分析

adb shell dumpsys meminf [-a] [-d] [-c] [-s] [--oom] [process]
  -a: include all available information for each process.
  -d: include dalvik details when dumping process details.
  -c: dump in a compact machine-parseable representation.
  --oom: only show processes organized by oom adj.
  --local: only collect details locally, don't call process.
  --package: interpret process arg as package, dumping all
             processes that have loaded that package.
If [process] is specified it can be the name or
pid of a specific process to dump.