一、內存
1、查看單個應用App最大內存限制
Command:adb shell “getprop|grep heapgrowthlimit”
C:\Users\hujiachun>adb shell "getprop|grep heapgrowthlimit" [dalvik.vm.heapgrowthlimit]: [128m]
128M是單個APP最大內存限制,如果Dalvik Heap 的Pss大於128,就會報內存溢出
2、監控某個App內存
Command:adb shell dumpsys meminfo com.meizu.mstore
C:\Users\hujiachun>adb shell dumpsys meminfo com.meizu.mstore
Applications Memory Usage (kB):
Uptime: 5159608 Realtime: 5159608
** MEMINFO in pid 13914 [com.meizu.mstore] **
Pss Private Private Swapped Heap Heap Heap
Total Dirty Clean Dirty Size Alloc Free
------ ------ ------ ------ ------ ------ ------
Native Heap 0 0 0 0 28672 18939 9732
Dalvik Heap 45029 44068 0 0 60986 56981 4005
Dalvik Other 680 680 0 60
Stack 492 492 0 36
Other dev 6 0 4 0
.so mmap 2454 172 284 1728
.apk mmap 509 0 228 0
.ttf mmap 854 0 464 0
.dex mmap 6240 0 6236 0
.oat mmap 5925 0 2564 0
.art mmap 2951 1748 716 8
Other mmap 137 4 104 0
EGL mtrack 14960 14960 0 0
GL mtrack 59264 59264 0 0
Unknown 16331 16256 0 816
TOTAL 155832 137644 10600 2648 89658 75920 13737
Objects
Views: 1242 ViewRootImpl: 1
AppContexts: 4 Activities: 1
Assets: 4 AssetManagers: 4
Local Binders: 31 Proxy Binders: 29
Parcel memory: 15 Parcel count: 60
Death Recipients: 1 OpenSSL Sockets: 0
SQL
MEMORY_USED: 430
PAGECACHE_OVERFLOW: 116 MALLOC_SIZE: 62
DATABASES
pgsz dbsz Lookaside(b) cache Dbname
4 20 83 210/52/9 /data/data/com.meizu.mstore/d
atabases/UsageStats.db
4 24 18 0/42/1 /data/data/com.meizu.mstore/d
atabases/download_task.db
4 24 50 1/43/2 /data/data/com.meizu.mstore/d
atabases/download_app.db
4 24 18 0/42/1 /data/data/com.meizu.mstore/d
atabases/Mstore_Recommend_db
可以通過過濾信息 得到Dalvik Heap 的Pss值,實時監控
二、CPU
Command:adb shell " dumpsys cpuinfo |grep com.meizu.mstore"
C:\Users\hujiachun>adb shell " dumpsys cpuinfo |grep com.meizu.mstore"
1.3% 18957/com.meizu.mstore: 1% user + 0.2% kernel / faults: 171 minor
1.3% 是總消耗CPU
user是用戶消耗
kernel 是內核消耗