Android-How_to_configure_retaine_surfa

customer can check the memory detail as below:

MTP example data after 1 apps launched(snipped)

dumpsys meminfo:

#dumpsys meminfo surfaceflinger

dump surfaceflinger Applications Memory Usage (in Kilobytes):
Uptime: 4564941 Realtime: 4564941
                   Pss  Private  Private  SwapPss     Heap     Heap     Heap
                 Total    Dirty    Clean    Dirty     Size    Alloc     Free
                ------   ------   ------   ------   ------   ------   ------
  Native Heap     2396     2396        0     3216        0        0        0
  Dalvik Heap        0        0        0        0        0        0        0
        Stack       12       12        0       32                           
       Ashmem       60        0        0        0                           
      Gfx dev     2224     2224        0        0                           
    Other dev       12        4        8        0                           
     .so mmap     2446      400      420     1036                           
   Other mmap       23        8       12       20                           
   EGL mtrack    34480    34480        0        0                           
    GL mtrack     1772     1772        0        0                           
      Unknown      176      176        0      460                           
        TOTAL    48365    41472      440     4764        0        0        0
 
 App Summary
                       Pss(KB)
                        ------
           Java Heap:        0
         Native Heap:     2396
                Code:      820
               Stack:       12
            Graphics:    38476
       Private Other:      208
              System:     6453
 
               TOTAL:    48365       TOTAL SWAP PSS:     4764

MTP exampele data after 15 apps launched(snipped)

dumpsys meminfo:

#dumpsys meminfo surfaceflinger

Applications Memory Usage (in Kilobytes):
Uptime: 751405 Realtime: 751405
                   Pss  Private  Private  SwapPss     Heap     Heap     Heap
                 Total    Dirty    Clean    Dirty     Size    Alloc     Free
                ------   ------   ------   ------   ------   ------   ------
  Native Heap     5180     5180        0        0        0        0        0
  Dalvik Heap        0        0        0        0        0        0        0
        Stack       44       44        0        0                           
       Ashmem       60        0        0        0                           
      Gfx dev     1912     1912        0        0                           
    Other dev        8        0        8        0                           
     .so mmap     9526     1436     2444        0                           
   Other mmap       62       28       28        0                           
   EGL mtrack    26180    26180        0        0                           
    GL mtrack     1932     1932        0        0                           
      Unknown      628      628        0        0                           
        TOTAL    45532    37340     2480        0        0        0        0
 
 App Summary
                       Pss(KB)
                        ------
           Java Heap:        0
         Native Heap:     5180
                Code:     3880
               Stack:       44
            Graphics:    30024
       Private Other:      692
              System:     5712
 
               TOTAL:    45532       TOTAL SWAP PSS:        0

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转载自blog.csdn.net/menghaocheng/article/details/83309012