First I'd like to paste some GC log messages here for Honeycomb .

03-08 01:31:54.354: D/dalvikvm(258): GC_CONCURRENT freed 196K, 5% free 
7078K/7431K, paused 3ms+3ms 03-08 01:31:54.494: D/dalvikvm(258): 
GC_FOR_ALLOC freed 4K, 5% free 7073K/7431K, paused 75ms 03-08 01:31:54.494: 
I/dalvikvm-heap(258): Grow heap (frag case) to 7.391MB for 411152-byte 
allocation

I have 4 questions here.

   1. 
   
   I have watch the video "Android Memory Management" in Google i/o 
   2011,but I am still not clear about 5% free 7078K/7431K.It means we use 
   7078K in 7431K heap size,But what does 7431K mean here? Because I notice 
   that 7431K will be up to a large number. Is there any policy for this 
   number?If it means total heap size,it should be 16M or 32M or something 
   like that.
   2. 
   
   Honeycomb also has message like "Grow heap (frag case) to 7.391MB for 
   411152-byte allocation", which Gingerbread does not have.What does it mean?
   3. 
   
   GC log messages in Honeycomb and later does not show external memory 
   information like "external xxxK/xxxK",why?
   4. 
   
   I also notice that in ICS and later version,GC log message also has a 
   total time like "GC_FOR_ALLOC freed 190K, 13% free 5409K/6164K, paused 
   67ms, total 71ms",but here alloc gc's total time is larger than paused 
   time,and sometimes you will notice that total time would be much larger 
   than paused time.Why?
   
   Any help? Thanks.
   

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