android ion 記憶體洩漏排查
1.檢視各個程序的ION
:/sys/kernel/debug/ion/heaps # cat system-heap
cat system-heap
client pid size
----------------------------------------------------
surfaceflinger 211 6565888
surfaceflinger 211 50413568
fb 1 32538624
----------------------------------------------------
orphaned allocations (info is from last known client):
surfaceflinger 211 7864320 0 1
----------------------------------------------------
total orphaned 7864320
total 90009600
deferred free 0
----------------------------------------------------
0 order 8 highmem pages in pool = 0 total
27 order 8 lowmem pages in pool = 28311552 total
0 order 4 highmem pages in pool = 0 total
8 order 4 lowmem pages in pool = 524288 total
0 order 0 highmem pages in pool = 0 total
4 order 0 lowmem pages in pool = 16384 total
2.每個程序對這個buffer的引用情況:
cat /proc/程序號/fd