Неуправляемая утечка памяти процесса W3WP программы .NET5, где занимается память? ⇐ C#

[Anonymous]

Я столкнулся с странной проблемой при анализе утечек памяти в Windbg ... память была потеряна ... < /p>

• Код: Выделить всё

  !address -summary

  показывает mem_commit = 3.3g

Код: Выделить всё

0:048> !address -summary

Mapping file section regions...
Mapping module regions...
Mapping PEB regions...
Mapping TEB and stack regions...
Mapping heap regions...
Mapping page heap regions...
Mapping other regions...
Mapping stack trace database regions...
Mapping activation context regions...

--- Usage Summary ---------------- RgnCount ----------- Total Size -------- %ofBusy %ofTotal
Free                                    447     7df8`acd2e000 ( 125.971 TB)           98.42%
                              1688      207`19afc000 (   2.028 TB)  99.96%    1.58%
Stack                                   234        0`18260000 ( 386.375 MB)   0.02%    0.00%
Heap                                    120        0`168ec000 ( 360.922 MB)   0.02%    0.00%
Image                                  1856        0`0aa00000 ( 170.000 MB)   0.01%    0.00%
Other                                    11        0`001dd000 (   1.863 MB)   0.00%    0.00%
TEB                                      78        0`0009c000 ( 624.000 kB)   0.00%    0.00%
PEB                                       1        0`00001000 (   4.000 kB)   0.00%    0.00%

--- Type Summary (for busy) ------ RgnCount ----------- Total Size -------- %ofBusy %ofTotal
MEM_MAPPED                              387      200`03a66000 (   2.000 TB)  98.59%    1.56%
MEM_PRIVATE                            1745        7`44e5c000 (  29.077 GB)   1.40%    0.02%
MEM_IMAGE                              1856        0`0aa00000 ( 170.000 MB)   0.01%    0.00%

--- State Summary ---------------- RgnCount ----------- Total Size -------- %ofBusy %ofTotal
MEM_FREE                                447     7df8`acd2e000 ( 125.971 TB)           98.42%
MEM_RESERVE                             631      206`7d08b000 (   2.025 TB)  99.84%    1.58%
MEM_COMMIT                             3357        0`d6237000 (   3.346 GB)   0.16%    0.00%

--- Protect Summary (for commit) - RgnCount ----------- Total Size -------- %ofBusy %ofTotal
PAGE_READWRITE                         1587        0`c52ee000 (   3.081 GB)   0.15%    0.00%
PAGE_READONLY                          1147        0`0816b000 ( 129.418 MB)   0.01%    0.00%
PAGE_EXECUTE_READ                       312        0`05f0a000 (  95.039 MB)   0.00%    0.00%
PAGE_EXECUTE_READWRITE                   57        0`019a1000 (  25.629 MB)   0.00%    0.00%
PAGE_NOACCESS                           129        0`013d8000 (  19.844 MB)   0.00%    0.00%
PAGE_READWRITE|PAGE_GUARD                78        0`000ec000 ( 944.000 kB)   0.00%    0.00%
PAGE_WRITECOPY                           47        0`0006f000 ( 444.000 kB)   0.00%    0.00%

--- Largest Region by Usage ----------- Base Address -------- Region Size ----------
Free                                    1c6`45d8f000     7c2e`42281000 ( 124.181 TB)
                              7dfc`a2a6d000      1f8`bfa04000 (   1.972 TB)
Stack                                    45`800c0000        0`0104b000 (  16.293 MB)
Heap                                    1c6`3636f000        0`07d01000 ( 125.004 MB)
Image                                  7ffa`bafbf000        0`00e7a000 (  14.477 MB)
Other                                   1c0`05d40000        0`00181000 (   1.504 MB)
TEB                                      45`f68b0000        0`00002000 (   8.000 kB)
PEB                                      45`f6939000        0`00001000 (   4.000 kB)

< /code>
[list]
[*]!eeheap

показывает общую память кучи 900M。 [GC (798M) + Loader (132M)]
[/list]

Код: Выделить всё

0:048>  !eeheap
Loader Heap:
--------------------------------------
System Domain:     00007ffa7929d0a0
...
Module 00007ffa1e71d6a0: Size: 0x0 (0) bytes.
Module 00007ffa1ec8da48: Size: 0x0 (0) bytes.
Module 00007ffa1ee3cb18: Size: 0x0 (0) bytes.
Module 00007ffa1f439618: Size: 0x0 (0) bytes.
Total size:      Size: 0x0 (0) bytes.
--------------------------------------
Total LoaderHeap size:   Size: 0x7dfd000 (132108288) bytes total, 0x2d4000 (2965504) bytes wasted.
=======================================
Number of GC Heaps: 16
------------------------------
Heap 0 (000001C0069F7AE0)
...
Heap 15 (000001C006E01BA0)
generation 0 starts at 0x000001C5A7770600
generation 1 starts at 0x000001C5A776B898
generation 2 starts at 0x000001C5A7121000
ephemeral segment allocation context: none
segment             begin         allocated              size
000001C5A7120000  000001C5A7121000  000001C5A883B790  0x171a790(24225680)
Large object heap starts at 0x000001C5E7121000
segment             begin         allocated              size
000001C5E7120000  000001C5E7121000  000001C5E774D1E0  0x62c1e0(6472160)
Pinned object heap starts at 0x000001C5F7121000
000001C5F7120000  000001C5F7121000  000001C5F7390EF8  0x26fef8(2555640)
Heap Size:       Size: 0x1fb6868 (33253480) bytes.
------------------------------
GC Heap Size:    Size: 0x2f9480a0 (798261408) bytes.

< /code>
[list]
[*]!eeheap -s

показывает 68 м не управляемой памяти
[/list]

0:048> !heap -s

************************************************************************************************************************
NT HEAP STATS BELOW
************************************************************************************************************************
LFH Key : 0x741d83161cb41a46
Termination on corruption : ENABLED
Heap Flags Reserv Commit Virt Free List UCR Virt Lock Fast
(k) (k) (k) (k) length blocks cont. heap
-------------------------------------------------------------------------------------
000001c0057d0000 00000002 97696 68108 97304 10566 686 18 7 51 LFH
External fragmentation 15 % (686 free blocks)
000001c005750000 00008000 64 4 64 2 1 1 0 0
000001c005b30000 00001002 3516 2564 3124 116 43 3 0 1 LFH
000001c006790000 00001002 60 8 60 5 1 1 0 0
000001c006740000 00001003 60 8 60 6 1 1 0 N/A
000001c007030000 00001002 1472 156 1080 2 14 2 0 0 LFH
000001c007110000 00041002 60 8 60 5 1 1 0 0
000001c617d60000 00041002 452 24 60 0 2 1 0 0 LFH
000001c616060000 00001002 1472 216 1080 22 11 2 0 0 LFH
-------------------------------------------------------------------------------------

< /code>
Заключение: gc heap (798m) + куча загрузчика (132 м) + безвредная куча (68 м) намного меньше 3,3 г памяти процесса. < /p>
, где моя оставшаяся память около 2 г Go? Спасибо всем заранее.

Подробнее здесь: https://stackoverflow.com/questions/697 ... ere-is-the