workbench出现奇怪现象

发布于 2012-02-26 14:45:16 浏览：4156 订阅该版

```finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000003 000
workbenc 0x19 suspend 0x000006b0 0x00001000 0x00000830 0x000000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000002 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000050 0x00000020 000
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000006 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000                     
finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
info     0x19 suspend 0x00000098 0x00000800                                           
workbenc 0x19 ready   0x00000840 0x00001000 0x00000970 0x00000002 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000001 000
tidle    0x1f ready   0x00000040 0x00000100 0x00000050 0x00000020 000
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x0000000a 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000                     
finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ----------                                           
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000004 000
workbenc 0x19 suspend 0x00000980 0x00001000 0x00000ac8 0x00000009 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000001 000
tidle    0x1f ready   0x00000040 0x00000100 0x00000050 0x00000020 000
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000005 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000                     
finsh>>list_thread()                    
 thread  pri  status      sp     stack size ma                                            
-------- ---- ------- ---------- ---------- ---------- ---------- ---
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000003 000
workbenc 0x19 suspend 0x00000d00 0x00001000 0x00000e30 0x00000003 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000005 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000050 0x0000000d 000
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x0000000a 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000                 
finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---                                                                     
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000003 000
workbenc 0x19 suspend 0x00000d00 0x00001000 0x00000e30 0x00000003 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000005 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000050 0x00000009 000
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000005                                                                
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000                     
finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---                                                                     
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000004 000
workbenc 0x19 ready   0x00000d00 0x00001000 0x00000e30 0x00000008 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000005 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000                                                  
finsh>>       
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000008 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000                     
finsh>>list_thread()                    
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---                                                                     
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000004 000
workbenc 0x19 ready   0x00000e10 0x00001000 0x00000ec8 0x00000003 000
rtgui    0x0f suspend 0x000000b8 0x00000400
rtgui    0x0f suspend 0x000000b8 0x00000400
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000002 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000
finsh>>list_thread()
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000004 000
workbenc 0x19 suspend 0x00000d50 0x00001000 0x00000ec8 0x00000001 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000004 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000050 0x00000005 000
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000007 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000
finsh>>list_thread()
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
info     0x19 suspend 0x00000098 0x00000800 0x000001d0 0x00000004 000
workbenc 0x19 suspend 0x00000da0 0x00001000 0x00000f68 0x00000003 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000003 000
tidle    0x1f ready   0x00000050 0x00000100 0x00000050 0x00000002 000
tshell   0x14 ready   0x00000070 0x00000800 0x00000144 0x00000001 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000
finsh>>```

注意到上面的输出 ，每次当workbench切换一个view的时候，都会出现workbench栈的最大使用增加 max used，每次都回增加20来个字节左右，但是当你在一个界面操作，哪怕你是弹出个窗口再关闭，它的栈都不会 有问题。照这个趋势，我试过，当画面切换次数达到100的时候，即使 是4096也不够开销的。但是不切换画面，它跑的很正常， 不见 有什么增加。。。

9 个回答

grissiom 2012-02-26

这家伙很懒，什么也没写！

xiao苦 2012-03-01

这家伙很懒，什么也没写！

>您能帮忙确认这么几点么？：
>
>1，切换前后 list_mem 下看看有没有内存泄漏。可以多切几次放大效应。
>2，方便调试的话看看哪个函数嵌套变多了。
>
>多谢！

---

finsh>>list_mem()
total memory: 23607824
used memory : 4681936
maximum allocated memory: 4734976
        '"', 34, 0x00000022
finsh>>list_thread()
 thread  pri  status      sp     stack size max used   left tick  error
-------- ---- ------- ---------- ---------- ---------- ---------- ---
slave    0x14 suspend 0x00000080 0x00000800 0x00000080 0x00000005 000
info     0x19 init    0x00000040 0x00000800 0x00000040 0x00000005 000
workbenc 0x19 suspend 0x00000dc0 0x00004000 0x00000f08 0x00000013 000
rtgui    0x0f suspend 0x000000b8 0x00000400 0x000000c0 0x00000004 000
tidle    0x1f ready   0x00000040 0x00000100 0x00000050 0x0000001f 000
tshell   0x14 ready   0x00000070 0x00000800 0x00000158 0x00000009 000
led      0x0b suspend 0x00000058 0x00000200 0x00000058 0x00000001 000
        0, 0x00000000
finsh>>list_mem()
total memory: 23607824
used memory : 4681936
maximum allocated memory: 4734976
        '"', 34, 0x00000022
finsh>>

经过实测，list_mem并没有增加，反而是workbench一直在别，而且加的很恐怖。
怎么看函数嵌套变多了呢？