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Question : Need to understand what nonpaging pool tag is having a memory leak...
Here is what I got from Poolmon... I am not sure which tag would be causing nonpaging issue.
Memory: 8386176K Avail: 5870504K PageFlts: 16030 InRam Krnl: 2728K P:116128K
Commit:2709740K Limit:12376388K Peak:3692408K Pool N:195420K P:118380K
System pool information
Tag Type Allocs Frees Diff Bytes Per Alloc
ASCI Nonp -1293719226 (120946) -1301530695 (120510) 7811469 125119464 ( 6976) 16
MmSt Paged 428286 ( 43) 406167 ( 35) 22119 30806144 ( -96) 1392
WD Paged 1461 ( 0) 1387 ( 0) 74 15630336 ( 0) 211220
Ntff Paged 617641 ( 0) 602585 ( 61) 15056 12285696 (-49776) 816
MmCm Nonp 167754 ( 28) 167583 ( 28) 171 9884944 ( 0) 57806
NAI0 Paged 5040 ( 0) 5036 ( 0) 4 8011776 ( 0) 2002944
NtfF Paged 105184 ( 0) 98510 ( 0) 6674 6246864 ( 0) 936
R100 Paged 45 ( 0) 1 ( 0) 44 5458000 ( 0) 124045
File Nonp 1701555573 (56928) 1701526252 (56911) 29321 4499144 ( 2584) 153 3
NAI0 Nonp -358911224 (271291) -358915501 (271283) 4277 3960144 ( 2704) 925
NDpp Nonp 983 ( 0) 0 ( 0) 983 3921952 ( 0) 3989 940 5
IoNm Paged 1679869778 (56075) 1679850164 (56066) 19614 3390344 ( 1152) 172 2
FMsl Nonp 424293 ( 0) 409509 ( 63) 14784 3075072 (-13104) 208
LSwi Nonp 1 ( 0) 0 ( 0) 1 2576384 ( 0) 2576384
WD Nonp 24539 ( 0) 23788 ( 0) 751 2575184 ( 0) 3429
brcm Nonp 109752 ( 8) 109590 ( 6) 162 2555904 ( 24576) 15777
Ntfr Nonp 218742 ( 0) 181741 ( 0) 37001 2369032 ( 0) 64
Thre Nonp 235689 ( 6) 232140 ( 2) 3549 2214576 ( 2496) 624
NtFs Paged 5038833 ( 65) 5014557 ( 66) 24276 1868480 ( -208) 76
MmCa Nonp 5444801 ( 157) 5428091 ( 150) 16710 1847408 ( 688) 110
Obtb Paged 14757 ( 0) 14048 ( 0) 709 1640992 ( 0) 2314
TCPt Nonp 3480896 ( 106) 3480866 ( 106) 30 1458080 ( 0) 48602
FSim Paged 91426 ( 0) 81303 ( 2) 10123 1295744 ( -256) 128
Mdl Nonp 663905 ( 98) 654940 ( 2) 8965 1258904 ( 12368) 140
bRcm Nonp 169 ( 0) 145 ( 0) 24 1102704 ( 0) 45946 5
ASCI Paged 946751888 (35441) 946749417 (35443) 2471 1093048 ( -576) 442 7
CM16 Paged 1832 ( 0) 1582 ( 0) 250 1077248 ( 0) 4308
NTID Nonp 9192323 ( 280) 9186593 ( 274) 5730 1054456 ( 5760) 184
TPLA Nonp 256 ( 0) 0 ( 0) 256 1048576 ( 0) 4096 2
Ntfo Paged 173636 ( 7) 166978 ( 7) 6658 1020640 ( 0) 153 3
MmCi Nonp 36896 ( 1) 32441 ( 0) 4455 1011168 ( 224) 226 6
MmSm Paged 287004 ( 8) 271799 ( 7) 15205 973120 ( 64) 64 7
Vad Nonp 5567063 ( 213) 5547291 ( 186) 19772 949056 ( 1296) 48 2
Toke Paged 816092022 (26965) 816091077 (26964) 945 947352 ( 592) 1002 5
NtFs Nonp 1865775 ( 10) 1844012 ( 72) 21763 874264 ( -2480) 40 4
Ntfn Nonp 735823 ( 1) 714029 ( 64) 21794 872056 ( -2520) 40
Even Nonp 8760352 ( 408) 8742947 ( 377) 17405 861232 ( 1488) 49 3
CMAl Paged 670 ( 0) 460 ( 0) 210 860160 ( 0) 4096 78
CM35 Paged 30 ( 0) 19 ( 0) 11 794624 ( 0) 72238 7
Key Paged 192183275 (6082) 192175803 (6071) 7472 777040 ( 1144) 103
Ntfc Paged 127002 ( 3) 116409 ( 2) 10593 762696 ( 72) 72 6
Io Nonp 343986428 (10546) 343986167 (10551) 261 716216 (-40960) 2744
CMDa Paged 769995 ( 157) 765459 ( 29) 4536 669408 ( 13184) 147
Wmit Paged 13 ( 0) 2 ( 0) 11 655688 ( 0) 59608
CM39 Paged 15864 ( 0) 13440 ( 0) 2424 652224 ( 0) 269 7
CcSc Nonp 3543719 ( 59) 3541813 ( 55) 1906 609920 ( 1280) 320
Ntf0 Paged 3780177 ( 52) 3761325 ( 56) 18852 603112 ( -96) 31 16
CMVa Paged 23537264 ( 433) 23527206 ( 262) 10058 592216 ( 9288) 58
Pool Nonp 5 ( 0) 3 ( 0) 2 585728 ( 0) 292864
CM17 Paged 479 ( 0) 410 ( 0) 69 565248 ( 0) 8192
Ica Nonp 10526037 ( 350) 10524851 ( 336) 1186 504344 ( 848) 425
McFo Nonp 41083 ( 7) 38599 ( 1) 2484 496800 ( 1200) 200
Vadl Nonp 4258755 ( 148) 4251215 ( 141) 7540 482560 ( 448) 64
Mm Nonp 1175 ( 0) 1100 ( 0) 75 481880 ( 0) 6425 6
Irp Nonp 23481656 ( 3) 23480321 ( 3) 1335 445096 ( 0) 333
FSfm Nonp 92698 ( 0) 82191 ( 2) 10507 420280 ( -80) 40
Port Paged 114098 ( 12) 111836 ( 0) 2262 419712 ( 2208) 185 0
LSwr Nonp 128 ( 0) 0 ( 0) 128 416768 ( 0) 3256
Devi Nonp 9860 ( 3) 9297 ( 3) 563 381536 ( 0) 677
AtmA Paged 98156 ( 4) 92410 ( 4) 5746 378792 ( 0) 65
VadS Nonp 12709663 ( 239) 12697952 ( 227) 11711 374752 ( 384) 32
Ddk Paged 14 ( 0) 12 ( 0) 2 356496 ( 0) 178248 8
NtFS Paged 804637780 (26518) 804636345 (26517) 1435 341216 ( 200) 237
AfdC Nonp 24727 ( 5) 22604 ( 5) 2123 339680 ( 0) 160 7
Sect Paged 8749169 ( 208) 8745632 ( 200) 3537 317288 ( 768) 89
ObNm Paged 963637566 (32422) 963632865 (32416) 4701 316640 ( 872) 67
R100 Nonp 39 ( 0) 2 ( 0) 37 245856 ( 0) 6644
CM26 Paged 180 ( 0) 150 ( 0) 30 245760 ( 0) 8192
Sema Nonp 282997 ( 25) 278712 ( 8) 4285 243624 ( 952) 56
6ADC Nonp 798 ( 0) 758 ( 0) 40 241776 ( 0) 6044
ReEv Nonp 135294 ( 2) 125825 ( 0) 9469 227256 ( 48) 24
ArbA Paged 54 ( 0) 0 ( 0) 54 221184 ( 0) 4096
FSrm Paged 4778 ( 0) 4425 ( 0) 353 212632 ( 0) 602
Hal Nonp 952 ( 0) 941 ( 0) 11 197616 ( 0) 17965
Ntf0 Nonp 3 ( 0) 0 ( 0) 3 196608 ( 0) 65536
CMSc Paged 5955 ( 0) 5209 ( 0) 746 195416 ( 0) 261
TCPC Nonp 19258 ( 0) 16951 ( 2) 2307 194840 ( -160) 84
Gsem Nonp 31235 ( 0) 28857 ( 0) 2378 189536 ( 0) 79
TSwd Paged 12 ( 0) 3 ( 0) 9 188208 ( 0) 20912
ReTa Nonp 32292 ( 0) 28406 ( 0) 3886 187696 ( 0) 48
Proc Nonp 6207 ( 0) 5941 ( 0) 266 176624 ( 0) 664
ObSc Paged 520765 ( 131) 519772 ( 131) 993 175472 ( 0) 176
PD Nonp 84000 ( 0) 82539 ( 0) 1461 171696 ( 0) 117
usbp Nonp 286 ( 0) 225 ( 0) 61 160680 ( 0) 2634
brce Nonp 5548 ( 1) 5406 ( 0) 142 154496 ( 1088) 1088
PRLH Nonp 51083 ( 0) 51047 ( 0) 36 146944 ( 0) 4081
ReSe Nonp 20688 ( 0) 16500 ( 0) 4188 134016 ( 0) 32
NtFf Paged 19 ( 0) 9 ( 0) 10 131360 ( 0) 13136
AmlH Nonp 2 ( 0) 0 ( 0) 2 131072 ( 0) 65536
RceT Nonp 1 ( 0) 0 ( 0) 1 131072 ( 0) 131072
LfsI Paged 2 ( 0) 0 ( 0) 2 131072 ( 0) 65536
Mmpv Nonp 53883 ( 0) 51162 ( 0) 2721 130608 ( 0) 48
CM32 Paged 181 ( 0) 150 ( 0) 31 126976 ( 0) 4096
TCPc Nonp 603930 ( 28) 601310 ( 23) 2620 125760 ( 240) 48
WmIS Paged 1 ( 0) 0 ( 0) 1 118784 ( 0) 118784
Muta Nonp 92712 ( 29) 91027 ( 29) 1685 117040 ( 0) 69
ObDi Paged 101934 ( 78) 97313 ( 74) 4621 110904 ( 96) 24
RxNc Paged 670080 ( 27) 668742 ( 3) 1338 104136 ( 1744) 77
Answer : Need to understand what nonpaging pool tag is having a memory leak...
Quoted from
http://technet2.microsoft.
com/window
sserver/en
/library/
0
d302498-c9
47-4655-95
af-719ae75
acfb51033.
mspx?mfr=t
rue
"Example 3: Detect Memory Leakage
This example outlines a procedure for using Poolmon to detect a memory leak.
1.
Start Poolmon in default mode (no additional parameters).
2.
Press P twice to display allocations from only the paged pool. (The P key toggles the display between paged, non-paged, and both.)
3.
Press B to sort the Bytes column in descending order.
4.
Let Poolmon run for a few hours. Because starting Poolmon changes the data, you must let it run until it reaches a steady state before the data is reliable.
5.
Save the information generated by Poolmon, either as a screenshot, or by copying it from the command window and pasting it into Notepad.
6.
Returning to Poolmon, press P twice again, this time to display only allocations from the non-paged pool.
Repeat steps 3, 5 and 6 approximately every half-hour for at least two hours.
When data collection is complete, examine the Diff (allocations minus frees) and Bytes (number of bytes allocated minus number of bytes freed) values for each tag, and note any that continually increase. Next, stop Poolmon, wait for a few hours, and then restart Poolmon. Examine the allocations that were increasing, and determine whether the bytes are now freed. Allocations that have still not been freed, or have continued to increase in size are the likely culprits."
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