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Re: kern/38019: some kind of undetected deadlock slowly kills NetBSD-4.0_STABLE GENERIC.MP



The following reply was made to PR kern/38019; it has been noted by GNATS.

From: "Greg A. Woods" <woods%planix.com@localhost>
To: NetBSD GNATS <gnats-bugs%NetBSD.org@localhost>
Cc: NetBSD Kernel Bug People <kern-bug-people%netbsd.org@localhost>,
        NetBSD GNATS Administrator <gnats-admin%NetBSD.org@localhost>
Subject: Re: kern/38019: some kind of undetected deadlock slowly kills 
NetBSD-4.0_STABLE GENERIC.MP
Date: Fri, 18 Apr 2008 18:51:35 -0400

 At Sat,  5 Apr 2008 17:00:05 +0000 (UTC), Me-planix.com wrote:
 Subject: Re: kern/38019: some kind of undetected deadlock slowly kills 
NetBSD-4.0_STABLE GENERIC.MP
 > 
 >  Is it possible that the following changes may correct the possible
 >  lockups caused by KVA exhaustion on large-RAM machines without requiring
 >  hacks to KERNBASE and/or manual manipulation of the various tunable
 >  limits such as vm.bufmem_hiwater?  If so I would like to request that
 >  these changes (and any others which are pre- or co-requisite) be pulled
 >  up to netbsd-4.  If desired I can pre-test the pull-up(s) on my machine.
 
 I still haven't heard from anyone about whether or not the following
 changes are the only ones necessary to pull this fix up in its entirety
 to the netbsd-4 branch....
 
 >  ----------------------------
 >  revision 1.193
 >  date: 2008/03/25 23:21:43;  author: yamt;  state: Exp;  lines: +9 -3
 >  - for some ports, especially for ones without pmap_growkernel,
 >    buf_memcalc is used by bootstrap as well.  fix NULL dereference for them.
 >  - limit kva usage for each cache to 20% of vm_map.  XXX a bit arbitrary.
 >  - add a comment.
 >  ----------------------------
 >  revision 1.192
 >  date: 2008/03/23 10:39:52;  author: yamt;  state: Exp;  lines: +9 -9
 >  when calculating some cache sizes, consider the amount of available kva.
 >  PR/33185.
 >  ----------------------------
 
 
 
 My system has now been running a wrstuden-fixsa kernel with an
 outstanding uptime of 16 days.  Today for the first time some gzcat
 processes _temporarily_ got stuck in the vmmapva state in the same way
 as I originally reported when opening this PR.
 
 At that time sysctl vm.bufmem was showing over 300 MB allocated, and
 vmstat -m was showing a utilization of just over 82%.
 
 However somehow things got unstuck and now I see vm.bufmem and the
 "utilization" reported by vmstat -m both steadily decline over a period
 of many minutes.
 
 Note in particular the "Fail" column in the "Memory resource pool
 statistics" of the current "vmstat -m" output below.  Those numbers for
 buf*k increased while the gzcat processes where stuck but haven't
 increased since.
 
 Two things about all of this stand out to me:
 
 1. Each time that I've seen the problem happen while I've been using the
    system there was some involvement of NFS mounts (and though the
    nightly cron jobs do their best to avoid accessing NFS filesystems,
    there's no doubt they do at least some NFS operations).
 
 2. Sometimes the problem clears itself up within a few minutes.
    Sometimes it doesn't even after many hours.  However since running
    the wrstuden-fixsa kernel the system has only locked up "permanently"
    once and this past 16 days uptime is the longest it has enjoyed in
    many months.
 
 I think there's probably some combination of problems causing the
 lockup.  One is perhaps the over-utilization of kva, and the other is
 that sometimes whatever needs to run to free available kva doesn't get a
 chance.  I don't know if the wrstuden-fixsa changes are responsible, or
 if it's just a pure co-incidence.  However if the past patterns of
 things getting slowly wedged repeat themselves (especially with the
 nightly cron jobs) then that might suggest the wrstuden-fixsa changes
 have no effect and that it's simply a matter of kva sometimes running
 out so completely that even whatever threads could run to free some
 space are unable to run.  In any case I think it would be very wise to
 do something better to assure that bufmem and other cache allocations
 don't jeopardize the system under the default configuration.
 
 
 $ /sbin/sysctl vm 
 vm.loadavg: 1.85 1.77 1.15
 vm.nkmempages = 32768
 vm.maxslp = 20
 vm.uspace = 12288
 vm.idlezero = 0
 vm.anonmin = 40
 vm.filemin = 5
 vm.execmin = 40
 vm.anonmax = 80
 vm.filemax = 50
 vm.execmax = 50
 vm.inactivepct = 33
 vm.bufcache = 15
 vm.bufmem = 199446528
 vm.bufmem_lowater = 75486720
 vm.bufmem_hiwater = 603893760
 $ vmstat -m
 Memory statistics by bucket size
     Size   In Use   Free   Requests  HighWater  Couldfree
       16     1147    133     687612    1280          0
       32      355    157   25733710     640          0
       64     1255   2201    4308715     320    2311066
      128     1559      9   25537123     160          0
      256      105     71   13693963      80          0
      512       78     50      86889      40      17320
     1024     1163      5      43242      20          0
     2048      289      9   12761311      10          0
     4096       41      9  200943141       5  119140350
     8192        7      3        333       5          0
    16384        8      0        467       5          0
    32768        4      0         13       5          0
    65536        1      0          1       5          0
   262144        6      0          6       5          0
   524288       10      0         10       5          0
 
 Memory usage type by bucket size
     Size  Type(s)
       16  acpi, USB, namecache, soname, shm, pipe, sysctldata, routetbl, temp,
           pcb, devbuf, ktrace, exec, file desc, VM swap, UVM aobj, kernfs 
mount,
           xform
       32  acpi, USB, ifmedia, ether_multi, ifaddr, soname, blist, fragtbl,
           routetbl, temp, pcb, devbuf, ktrace, exec, kevent, VM swap, UVM aobj,
           MFS node, aacbuf, RAIDframe, tcpcongctl, xform
       64  pci_link, acpi, USB, vnodes, soname, pipe, proc, routetbl, temp, pcb,
           DMA map, devbuf, ktrace, UVM aobj, NFS diroff, NFS req
      128  prop dictionary, pci_link, acpi, USB device, USB, ifaddr, soname,
           ttys, sysctlnode, Export Host, routetbl, temp, pcb, devbuf, ktrace,
           kevent, VM swap, UVM aobj
      256  acpi, ifaddr, vnodes, sysctldata, proc, UFS mount, routetbl, temp,
           DMA map, devbuf, ktrace, exec, kevent, ioctlops, file desc, UVM aobj,
           newblk, NFS daemon, NFS diroff, nfs_export
      512  acpi, vnodes, proc, temp, pcb, devbuf, ktrace, ioctlops, file desc,
           VM page, NFS srvsock, NFS daemon, aacbuf, crypto
     1024  acpi, USB, ttys, sysctlnode, proc, temp, DMA map, devbuf, exec,
           kevent, file desc, file, VM map, UVM aobj, NFS mount, NQNFS Lease
     2048  USB device, ifaddr, sysctlnode, proc, in_multi, UFS mount, temp,
           DMA map, devbuf, ktrace, exec, file desc
     4096  mount, sysctlnode, proc, UFS mount, temp, devbuf, ktrace, file desc,
           RAIDframe
     8192  acpi, sysctlnode, temp, devbuf, file desc
    16384  vmem, sysctlnode, UFS mount, temp, devbuf
    32768  temp, devbuf, aacbuf
    65536  temp
   262144  UFS mount, devbuf, pagedep
   524288  namecache, blist, UFS mount, UFS quota, inodedep, NFS node,
           MSDOSFS mount, ISOFS mount
 
 Memory statistics by type                           Type  Kern
          Type  InUse MemUse HighUse  Limit  Requests Limit Limit Size(s)
 prop dictionary     3     1K      1K 78644K         3    0     0  128
       pci_link     3     1K      1K 78644K         3    0     0  64,128
           acpi  2119   226K    229K 78644K      5978    0     0  
16,32,64,128,256,512,1024,8192
     USB device     4     7K      7K 78644K         4    0     0  128,2048
            USB    13     1K      2K 78644K        14    0     0  
16,32,64,128,1024
        ifmedia    16     1K      1K 78644K        16    0     0  32
    ether_multi     2     1K      1K 78644K         2    0     0  32
         ifaddr    10     4K      4K 78644K        10    0     0  
32,128,256,2048
          mount     7    28K     28K 78644K         8    0     0  4096
         vnodes    75    11K    146K 78644K    778495    0     0  64,256,512
      namecache     4  3073K   3073K 78644K         4    0     0  16,524288
         soname     6     1K      1K 78644K     94377    0     0  16,32,64,128
           ttys    85    56K     56K 78644K        85    0     0  128,1024
            shm     0     0K      1K 78644K        24    0     0  16
           pipe     0     0K      1K 78644K     20202    0     0  16,64
           vmem     4    56K     56K 78644K         4    0     0  16384
          blist     2  1097K   1097K 78644K         2    0     0  32,524288
     sysctldata     1     1K      1K 78644K         3    0     0  16,256
     sysctlnode    88   124K    124K 78644K       111    0     0  
128,1024,2048,4096,8192,16384
           proc    10     6K      8K 78644K        14    0     0  
64,256,512,1024,2048,4096
       in_multi     1     2K      2K 78644K         1    0     0  2048
    Export Host     2     1K      1K 78644K         2    0     0  128
      UFS mount    20  2092K   2092K 78644K        21    0     0  
256,2048,4096,16384,262144,524288
        fragtbl     0     0K      1K 78644K       310    0     0  32
       routetbl    79     5K      5K 78644K       745    0     0  
16,32,64,128,256
           temp    22    66K    120K 78644K 255943798    0     0  
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536
            pcb    45     6K      7K 78644K     94799    0     0  
16,32,64,128,512
        DMA map  1678  1562K   1562K 78644K      1678    0     0  
64,256,1024,2048
         devbuf  1520   452K    452K 78644K    791912    0     0  
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,262144
         ktrace     0     0K     31K 78644K       482    0     0  
16,32,64,128,256,512,2048,4096
           exec     1     1K     17K 78644K  25514567    0     0  
16,32,256,1024,2048
         kevent     9     4K      6K 78644K    154887    0     0  
32,128,256,1024
       ioctlops     0     0K      1K 78644K        39    0     0  256,512
      file desc    12     3K     33K 78644K    392919    0     0  
16,256,512,1024,2048,4096,8192
           file     0     0K      1K 78644K         4    0     0  1024
        VM swap     3     1K      1K 78644K         3    0     0  16,32,128
        VM page     1     1K      1K 78644K         1    0     0  512
         VM map     4     4K      4K 78644K         4    0     0  1024
       UVM aobj     2     2K      2K 78644K        26    0     0  
16,32,64,128,256,1024
      UFS quota     1  1024K   1024K 78644K         1    0     0  524288
       MFS node     1     1K      1K 78644K         1    0     0  32
         newblk     1     1K      1K 78644K         1    0     0  256
       inodedep     1  1024K   1024K 78644K         1    0     0  524288
        pagedep     1   256K    256K 78644K         1    0     0  262144
      NFS mount     1     1K      1K 78644K         1    0     0  1024
    NFS srvsock     1     1K      1K 78644K         1    0     0  512
     NFS daemon     5     3K      3K 78644K         5    0     0  256,512
     NFS diroff     9     1K      1K 78644K        28    0     0  64,256
        NFS req     0     0K      1K 78644K       667    0     0  64
    NQNFS Lease     1     1K      1K 78644K         1    0     0  1024
       NFS node     1  1024K   1024K 78644K         1    0     0  524288
     nfs_export     6     2K      2K 78644K         6    0     0  256
   kernfs mount     1     1K      1K 78644K         1    0     0  16
  MSDOSFS mount     1   512K    512K 78644K         1    0     0  524288
    ISOFS mount     1  1024K   1024K 78644K         1    0     0  524288
         aacbuf   132    53K     53K 78644K       132    0     0  32,512,32768
      RAIDframe    10    37K     37K 78644K        10    0     0  32,4096
     tcpcongctl     2     1K      1K 78644K         2    0     0  32
         crypto     1     1K      1K 78644K         1    0     0  512
          xform     0     0K      1K 78644K       128    0     0  16,32
 
 Memory totals:  In Use    Free    Requests
                 13841K    272K    283796548
 
 Memory resource pool statistics
 Name        Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg 
Idle
 extent        20      255    0      251     1     0     1     1     0   inf    0
 nfsrvdescpl  180    48663    0    48663   707   707     0     1     0   inf    0
 nfsreqcachepl 36       64    0        0     1     0     1     1     0   inf    0
 pnbufpl     1024    39005    0    38999  8341  8339     2     4     0   inf    0
 sigapl      2052 12786185    0 12786100  4588  4503    85   268     0   inf    0
 mclpl       2048      964    0      661   356   188   168   196    16   512    
6
 mbpl         256     1940    0     1597    33     5    28    31     1   inf    0
 buf16k      16384 1042215 490710 1032983 23242 19333 3909  5270     1     1    0
 buf8k       8192    55871 156066  55812  2491  2483     8    23     1     1    0
 buf4k       4096   138168 148124 137993  2527  2516    11    23     1     1    0
 buf2k       2048  1646417 21540 1633857  8421  7536   885  2024     1     1    0
 buf1k       1024        7    0        7     1     0     1     1     1     1    
1
 kmem-4         4   202527    0   202182    32    28     4     8     0   inf    0
 kmem-8         8    19483    0    19407    13    11     2     2     0   inf    0
 kmem-12       12    10135    0    10126     5     4     1     3     0   inf    0
 kmem-16       16    17109    0    17088    19    18     1     2     0   inf    0
 kmem-20       20    91076    0    91073    11    10     1     4     0   inf    0
 kmem-24       24    93193    0    93181   146   145     1    29     0   inf    0
 kmem-28       28    92166    0    92154    39    38     1     6     0   inf    0
 kmem-32       32    11355    0    11349    96    95     1    10     0   inf    0
 kmem-36       36     9281    0     9278    41    40     1     6     0   inf    0
 kmem-40       40     8669    0     8666    31    30     1     6     0   inf    0
 kmem-44       44     8745    0     8745   189   188     1    12     0   inf    
1
 kmem-48       48     8957    0     8944   190   188     2     9     0   inf    0
 kmem-56       56     7580    0     7553   152   147     5    20     0   inf    0
 kmem-64       64    22170    0    21775   467   409    58   120     0   inf    0
 kmem-72       72     5582    0     5552    88    83     5     9     0   inf    0
 kmem-84       84     5698    0     5689   188   186     2     7     0   inf    0
 kmem-100     100     4875    0     4872    59    56     3     6     0   inf    0
 kmem-128     128     4486    0     4447   143   133    10    13     0   inf    0
 propdict     112       63    0        0     2     0     2     2     0   inf    0
 pdict32       64        3    0        0     1     0     1     1     0   inf    0
 pdict16       48        4    0        0     1     0     1     1     0   inf    0
 propnmbr      36        5    0        0     1     0     1     1     0   inf    0
 ataspl        56        8    0        8     1     1     0     1     0   inf    0
 rtentpl      136      387    0      344     2     0     2     2     0   inf    0
 vnodepl      236 11140446    0 10893458 20073     3 20070 20070     0   inf    0
 lockfpl       52   348185    0   348161     1     0     1     1     0   inf    0
 ncachepl      84 392608731   0 392591797 241699 240915 784 6661     0   inf    
7
 biopl        148 35858714    0 35858713   132   118    14    17     0   inf   
13
 bufpl        148  1025552    0  1003526  3621  1373  2248  2635     0   inf    
1
 sockpl       216   110913    0   110801    43    36     7    17     0   inf    0
 ttypl        288       17    0        0     2     0     2     2     0   inf    0
 shmmp         12       24    0       24     1     1     0     1     0   inf    0
 pipepl       124   495934    0   495881    69    67     2     6     0   inf    0
 vmembtpl      28    15344    0    12089    39     1    38    38     0   inf    0
 ptimerspl    140      395    0      371     1     0     1     1     0   inf    0
 ptimerpl     124      396    0      371     1     0     1     1     0   inf    0
 ksiginfo      44 23165357    0 23165357     1     0     1     1     0   inf    
1
 siginfo      128       88    0       88    44    44     0     1     0   inf    0
 savppl        80        1    0        0     1     0     1     1     0   inf    0
 sastackpl     24       16    0        0     1     0     1     1     0   inf    0
 saupcpl     1612   518063    0   518062     1     0     1     1     0   inf    0
 sadatapl      64        1    0        0     1     0     1     1     0   inf    0
 sessionpl     56     6046    0     5996     1     0     1     1     0   inf    0
 rusgepl       72 12786101    0 12786101 30586 30585     1     1     0   inf    
1
 pstatspl     224 12786205    0 12786101   151   144     7    16     0   inf    0
 plimitpl     200     6462    0     6441    34    32     2     2     0   inf    0
 pgrppl        16    91855    0    91795     1     0     1     1     0   inf    0
 procpl       492 12786205    0 12786101   411   395    16    36     0   inf    0
 lwppl        172 12786208    0 12786101   133   127     6    13     0   inf    0
 ktepl         56      481    0      481     2     2     0     2     0   inf    0
 knotepl       72      871    0      839     1     0     1     1     0   inf    0
 kqueuepl     284       34    0       31     1     0     1     1     0   inf    0
 fdescpl      308 12786185    0 12786100   200   192     8    21     0   inf    0
 cwdipl        40 12786185    0 12786100    73    71     2     3     0   inf    0
 filepl        84 201266242   0 201265947  425   418     7    11     0   inf    0
 kauthcredpl  124   546686    0   546655    12    11     1     2     0   inf    0
 rndsample    528  1676876    0  1676871     1     0     1     1     0   inf    0
 ractx         24 13982452    0 13865253  3163  1277  1886  1999     0   inf    
7
 vmmpepl       88 204611349   0 204610029  603   570    33    59     0   inf    
3
 vmsppl       336 12786184    0 12786099   227   218     9    23     0   inf    0
 aobjpl        80       25    0       24     1     0     1     1     0   inf    0
 anonpl        40  1629774    0  1515697  4884  3692  1192  2013     0   inf    0
 amappl        72 97109274    0 97108389   142   123    19    31     0   inf    0
 ufsdirpl     264 11035341    0 11035341  3951  3950     1     1     0   inf    
1
 dino1pl      128 284952247   0 284705279 11282  277 11005 11006     0   inf    0
 ffsinopl     240 284952247   0 284705279 22432 1127 21305 21324     0   inf    
1
 dirrempl      44      360    0      360     5     5     0     2     0   inf    0
 mkdirpl       32       10    0       10     3     3     0     1     0   inf    0
 diraddpl      40      366    0      366     5     5     0     2     0   inf    0
 freefilepl    40      206    0      206     4     4     0     1     0   inf    0
 freeblkspl   176      162    0      162    10    10     0     4     0   inf    0
 allocindirpl  64     1534    0     1534    26    26     0    12     0   inf    0
 indirdeppl    32       25    0       25     3     3     0     1     0   inf    0
 allocdirectpl 80      509    0      509    11    11     0     5     0   inf    0
 bmsafemappl   36       17    0       17     3     3     0     1     0   inf    0
 newblkpl      36     2043    0     2043     5     5     0     1     0   inf    0
 inodedeppl    92      410    0      410    13    13     0     5     0   inf    0
 pagedeppl     72       43    0       43     4     4     0     1     0   inf    0
 sdpcpool     148     2013    0     2013    11    11     0     5     0   inf    0
 nfsvapl      112       79    0       77     1     0     1     1     0   inf    0
 nfsnodepl    388       79    0       77     2     1     1     2     0   inf    0
 tcpcbpl      392     6037    0     5984    69    63     6    24     0   inf    0
 sackholepl    20       22    0       22     4     4     0     1     0   inf    0
 synpl        172     3096    0     3096     9     9     0     1     0   inf    0
 tcpipqepl     44     6785    0     6785    14    13     1     1     0   inf    
1
 ipqepl        44     4181    0     4181     4     4     0     1     0   inf    0
 inmltpl       32        2    0        0     1     0     1     1     0   inf    0
 inpcbpl      108    16124    0    16047    18    15     3     8     0   inf    0
 kvakmem     4096      375    0      269     5     0     5     5     0   inf    0
 kvakernel   4096   393802    0   335000  2080    52  2028  2049     0   inf    0
 pdppl       4096    36177    0    36089 35716 35628    88   269     0   inf    0
 pmappl       100 12786184    0 12786099   108   105     3     7     0   inf    0
 pcgpool      140   360542    0   360501   778   770     8   220     0   inf    0
 phpool-128   164       32    0       28     1     0     1     1     0   inf    0
 phpool-64    100       18    0       15     1     0     1     1     0   inf    0
 phpool-32     68     2300    0      263    36     0    36    36     0   inf    0
 phpool-16     52      836    0      820     1     0     1     1     0   inf    0
 phpool-8      44     2096    0     2004     2     0     2     2     0   inf    0
 phpool-4      40     1433    0     1402     1     0     1     1     0   inf    0
 phpool-0      36    81131    0    76030    57     1    56    57     0   inf    0
 
 In use 333593K, total allocated 569462K; utilization 58.6%
 
 
 
 After about 20 minutes of much lighter activity things read as:
 
 
 $ /sbin/sysctl vm 
 vm.loadavg: 0.04 0.55 0.87
 vm.nkmempages = 32768
 vm.maxslp = 20
 vm.uspace = 12288
 vm.idlezero = 0
 vm.anonmin = 40
 vm.filemin = 5
 vm.execmin = 40
 vm.anonmax = 80
 vm.filemax = 50
 vm.execmax = 50
 vm.inactivepct = 33
 vm.bufcache = 15
 vm.bufmem = 179273728
 vm.bufmem_lowater = 75486720
 vm.bufmem_hiwater = 603893760
 $ vmstat -m       
 Memory statistics by bucket size
     Size   In Use   Free   Requests  HighWater  Couldfree
       16     1147    133     688516    1280          0
       32      355    157   25769331     640          0
       64     1251   2205    4314672     320    2313441
      128     1559      9   25573073     160          0
      256      105     71   13712180      80          0
      512       78     50      86889      40      17320
     1024     1163      5      43251      20          0
     2048      289      9   12779142      10          0
     4096       41      9  202547117       5  120744322
     8192        7      3        333       5          0
    16384        8      0        479       5          0
    32768        4      0         13       5          0
    65536        1      0          1       5          0
   262144        6      0          6       5          0
   524288       10      0         10       5          0
 
 Memory usage type by bucket size
     Size  Type(s)
       16  acpi, USB, namecache, soname, shm, pipe, sysctldata, routetbl, temp,
           pcb, devbuf, ktrace, exec, file desc, VM swap, UVM aobj, kernfs 
mount,
           xform
       32  acpi, USB, ifmedia, ether_multi, ifaddr, soname, blist, fragtbl,
           routetbl, temp, pcb, devbuf, ktrace, exec, kevent, VM swap, UVM aobj,
           MFS node, aacbuf, RAIDframe, tcpcongctl, xform
       64  pci_link, acpi, USB, vnodes, soname, pipe, proc, routetbl, temp, pcb,
           DMA map, devbuf, ktrace, UVM aobj, NFS diroff, NFS req
      128  prop dictionary, pci_link, acpi, USB device, USB, ifaddr, soname,
           ttys, sysctlnode, Export Host, routetbl, temp, pcb, devbuf, ktrace,
           kevent, VM swap, UVM aobj
      256  acpi, ifaddr, vnodes, sysctldata, proc, UFS mount, routetbl, temp,
           DMA map, devbuf, ktrace, exec, kevent, ioctlops, file desc, UVM aobj,
           newblk, NFS daemon, NFS diroff, nfs_export
      512  acpi, vnodes, proc, temp, pcb, devbuf, ktrace, ioctlops, file desc,
           VM page, NFS srvsock, NFS daemon, aacbuf, crypto
     1024  acpi, USB, ttys, sysctlnode, proc, temp, DMA map, devbuf, exec,
           kevent, file desc, file, VM map, UVM aobj, NFS mount, NQNFS Lease
     2048  USB device, ifaddr, sysctlnode, proc, in_multi, UFS mount, temp,
           DMA map, devbuf, ktrace, exec, file desc
     4096  mount, sysctlnode, proc, UFS mount, temp, devbuf, ktrace, file desc,
           RAIDframe
     8192  acpi, sysctlnode, temp, devbuf, file desc
    16384  vmem, sysctlnode, UFS mount, temp, devbuf
    32768  temp, devbuf, aacbuf
    65536  temp
   262144  UFS mount, devbuf, pagedep
   524288  namecache, blist, UFS mount, UFS quota, inodedep, NFS node,
           MSDOSFS mount, ISOFS mount
 
 Memory statistics by type                           Type  Kern
          Type  InUse MemUse HighUse  Limit  Requests Limit Limit Size(s)
 prop dictionary     3     1K      1K 78644K         3    0     0  128
       pci_link     3     1K      1K 78644K         3    0     0  64,128
           acpi  2119   226K    229K 78644K      5978    0     0  
16,32,64,128,256,512,1024,8192
     USB device     4     7K      7K 78644K         4    0     0  128,2048
            USB    13     1K      2K 78644K        14    0     0  
16,32,64,128,1024
        ifmedia    16     1K      1K 78644K        16    0     0  32
    ether_multi     2     1K      1K 78644K         2    0     0  32
         ifaddr    10     4K      4K 78644K        10    0     0  
32,128,256,2048
          mount     7    28K     28K 78644K         8    0     0  4096
         vnodes    73    11K    146K 78644K    783925    0     0  64,256,512
      namecache     4  3073K   3073K 78644K         4    0     0  16,524288
         soname     6     1K      1K 78644K     94527    0     0  16,32,64,128
           ttys    85    56K     56K 78644K        85    0     0  128,1024
            shm     0     0K      1K 78644K        24    0     0  16
           pipe     0     0K      1K 78644K     20213    0     0  16,64
           vmem     4    56K     56K 78644K         4    0     0  16384
          blist     2  1097K   1097K 78644K         2    0     0  32,524288
     sysctldata     1     1K      1K 78644K         3    0     0  16,256
     sysctlnode    88   124K    124K 78644K       111    0     0  
128,1024,2048,4096,8192,16384
           proc    10     6K      8K 78644K        14    0     0  
64,256,512,1024,2048,4096
       in_multi     1     2K      2K 78644K         1    0     0  2048
    Export Host     2     1K      1K 78644K         2    0     0  128
      UFS mount    20  2092K   2092K 78644K        21    0     0  
256,2048,4096,16384,262144,524288
        fragtbl     0     0K      1K 78644K       310    0     0  32
       routetbl    79     5K      5K 78644K       747    0     0  
16,32,64,128,256
           temp    22    66K    120K 78644K 257619550    0     0  
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,65536
            pcb    43     6K      7K 78644K     94949    0     0  
16,32,64,128,512
        DMA map  1678  1562K   1562K 78644K      1678    0     0  
64,256,1024,2048
         devbuf  1520   452K    452K 78644K    793129    0     0  
16,32,64,128,256,512,1024,2048,4096,8192,16384,32768,262144
         ktrace     0     0K     31K 78644K       482    0     0  
16,32,64,128,256,512,2048,4096
           exec     1     1K     17K 78644K  25550206    0     0  
16,32,256,1024,2048
         kevent     9     4K      6K 78644K    154998    0     0  
32,128,256,1024
       ioctlops     0     0K      1K 78644K        39    0     0  256,512
      file desc    12     3K     33K 78644K    392922    0     0  
16,256,512,1024,2048,4096,8192
           file     0     0K      1K 78644K         4    0     0  1024
        VM swap     3     1K      1K 78644K         3    0     0  16,32,128
        VM page     1     1K      1K 78644K         1    0     0  512
         VM map     4     4K      4K 78644K         4    0     0  1024
       UVM aobj     2     2K      2K 78644K        26    0     0  
16,32,64,128,256,1024
      UFS quota     1  1024K   1024K 78644K         1    0     0  524288
       MFS node     1     1K      1K 78644K         1    0     0  32
         newblk     1     1K      1K 78644K         1    0     0  256
       inodedep     1  1024K   1024K 78644K         1    0     0  524288
        pagedep     1   256K    256K 78644K         1    0     0  262144
      NFS mount     1     1K      1K 78644K         1    0     0  1024
    NFS srvsock     1     1K      1K 78644K         1    0     0  512
     NFS daemon     5     3K      3K 78644K         5    0     0  256,512
     NFS diroff     9     1K      1K 78644K        28    0     0  64,256
        NFS req     0     0K      1K 78644K       667    0     0  64
    NQNFS Lease     1     1K      1K 78644K         1    0     0  1024
       NFS node     1  1024K   1024K 78644K         1    0     0  524288
     nfs_export     6     2K      2K 78644K         6    0     0  256
   kernfs mount     1     1K      1K 78644K         1    0     0  16
  MSDOSFS mount     1   512K    512K 78644K         1    0     0  524288
    ISOFS mount     1  1024K   1024K 78644K         1    0     0  524288
         aacbuf   132    53K     53K 78644K       132    0     0  32,512,32768
      RAIDframe    10    37K     37K 78644K        10    0     0  32,4096
     tcpcongctl     2     1K      1K 78644K         2    0     0  32
         crypto     1     1K      1K 78644K         1    0     0  512
          xform     0     0K      1K 78644K       128    0     0  16,32
 
 Memory totals:  In Use    Free    Requests
                 13841K    272K    285515013
 
 Memory resource pool statistics
 Name        Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg 
Idle
 extent        20      255    0      251     1     0     1     1     0   inf    0
 nfsrvdescpl  180    48757    0    48757   713   712     1     1     0   inf    
1
 nfsreqcachepl 36       64    0        0     1     0     1     1     0   inf    0
 pnbufpl     1024    39067    0    39062  8342  8340     2     4     0   inf    0
 sigapl      2052 12804008    0 12803930  4613  4529    84   268     0   inf    
6
 mclpl       2048     1128    0      866   397   250   147   196    16   512    
4
 mbpl         256     2316    0     2000    33     5    28    31     1   inf    0
 buf16k      16384 1049466 490710 1041878 23466 21568 1898  5270     1     1    
1
 buf8k       8192    56149 156066  56125  2500  2491     9    23     1     1    0
 buf4k       4096   138796 148124 138720  2537  2522    15    23     1     1    0
 buf2k       2048  1702230 21540 1675646  9856  8134  1722  2024     1     1    0
 buf1k       1024        7    0        7     1     0     1     1     1     1    
1
 kmem-4         4   202800    0   202458    32    28     4     8     0   inf    0
 kmem-8         8    19522    0    19446    13    11     2     2     0   inf    0
 kmem-12       12    10168    0    10159     5     4     1     3     0   inf    0
 kmem-16       16    17139    0    17115    19    18     1     2     0   inf    0
 kmem-20       20    91145    0    91133    11    10     1     4     0   inf    0
 kmem-24       24    93253    0    93238   146   145     1    29     0   inf    0
 kmem-28       28    92228    0    92216    39    38     1     6     0   inf    0
 kmem-32       32    11398    0    11389    97    96     1    10     0   inf    0
 kmem-36       36     9311    0     9305    41    40     1     6     0   inf    0
 kmem-40       40     8702    0     8696    31    30     1     6     0   inf    0
 kmem-44       44     8778    0     8775   191   190     1    12     0   inf    0
 kmem-48       48     9005    0     8990   192   190     2     9     0   inf    0
 kmem-56       56     7610    0     7580   152   147     5    20     0   inf    0
 kmem-64       64    22276    0    21878   467   409    58   120     0   inf    0
 kmem-72       72     5612    0     5582    89    84     5     9     0   inf    0
 kmem-84       84     5729    0     5723   190   188     2     7     0   inf    
1
 kmem-100     100     4906    0     4897    59    56     3     6     0   inf    0
 kmem-128     128     4508    0     4468   143   133    10    13     0   inf    0
 propdict     112       63    0        0     2     0     2     2     0   inf    0
 pdict32       64        3    0        0     1     0     1     1     0   inf    0
 pdict16       48        4    0        0     1     0     1     1     0   inf    0
 propnmbr      36        5    0        0     1     0     1     1     0   inf    0
 ataspl        56        8    0        8     1     1     0     1     0   inf    0
 rtentpl      136      388    0      345     2     0     2     2     0   inf    0
 vnodepl      236 11373632    0 11081476 20073     4 20069 20070     0   inf    0
 lockfpl       52   348335    0   348311     1     0     1     1     0   inf    0
 ncachepl      84 395218759   0 395209526 245567 245255 312 6661     0   inf   
74
 biopl        148 36602913    0 36602912   149   148     1    17     0   inf    0
 bufpl        148  1081586    0  1047314  3926  1598  2328  2635     0   inf   
14
 sockpl       216   111080    0   110973    44    37     7    17     0   inf    
1
 ttypl        288       17    0        0     2     0     2     2     0   inf    0
 shmmp         12       24    0       24     1     1     0     1     0   inf    0
 pipepl       124   496104    0   496058    69    67     2     6     0   inf    0
 vmembtpl      28    15455    0    12361    39     1    38    38     0   inf    0
 ptimerspl    140      399    0      375     1     0     1     1     0   inf    0
 ptimerpl     124      400    0      375     1     0     1     1     0   inf    0
 ksiginfo      44 23214838    0 23214838     1     0     1     1     0   inf    
1
 siginfo      128       88    0       88    44    44     0     1     0   inf    0
 savppl        80        1    0        0     1     0     1     1     0   inf    0
 sastackpl     24       16    0        0     1     0     1     1     0   inf    0
 saupcpl     1612   518803    0   518802     1     0     1     1     0   inf    0
 sadatapl      64        1    0        0     1     0     1     1     0   inf    0
 sessionpl     56     6065    0     6017     1     0     1     1     0   inf    0
 rusgepl       72 12803933    0 12803933 30586 30585     1     1     0   inf    
1
 pstatspl     224 12804030    0 12803933   151   144     7    16     0   inf    0
 plimitpl     200     6472    0     6451    34    32     2     2     0   inf    0
 pgrppl        16    91900    0    91842     1     0     1     1     0   inf    0
 procpl       492 12804030    0 12803933   411   396    15    36     0   inf    0
 lwppl        172 12804033    0 12803933   133   127     6    13     0   inf    0
 ktepl         56      481    0      481     2     2     0     2     0   inf    0
 knotepl       72      872    0      840     1     0     1     1     0   inf    0
 kqueuepl     284       34    0       31     1     0     1     1     0   inf    0
 fdescpl      308 12804010    0 12803932   200   192     8    21     0   inf    0
 cwdipl        40 12804010    0 12803932    73    72     1     3     0   inf    0
 filepl        84 203293706   0 203293427  425   418     7    11     0   inf    0
 kauthcredpl  124   547368    0   547338    15    13     2     2     0   inf    
1
 rndsample    528  1700406    0  1700401     1     0     1     1     0   inf    0
 ractx         24 14246866    0 14022068  4401  3070  1331  1999     0   inf    0
 vmmpepl       88 206251463   0 206250258  614   584    30    59     0   inf    0
 vmsppl       336 12804009    0 12803931   227   218     9    23     0   inf    0
 aobjpl        80       25    0       24     1     0     1     1     0   inf    0
 anonpl        40  1632093    0  1522873  4884  3692  1192  2013     0   inf    
1
 amappl        72 97944402    0 97943595   142   123    19    31     0   inf    0
 ufsdirpl     264 11223534    0 11223534  3951  3950     1     1     0   inf    
1
 dino1pl      128 286884063   0 286591926 13160 3736  9424 11006     0   inf    0
 ffsinopl     240 286884063   0 286591926 26126 7867 18259 21324     0   inf    0
 dirrempl      44      360    0      360     5     5     0     2     0   inf    0
 mkdirpl       32       10    0       10     3     3     0     1     0   inf    0
 diraddpl      40      366    0      366     5     5     0     2     0   inf    0
 freefilepl    40      206    0      206     4     4     0     1     0   inf    0
 freeblkspl   176      162    0      162    10    10     0     4     0   inf    0
 allocindirpl  64     1534    0     1534    26    26     0    12     0   inf    0
 indirdeppl    32       25    0       25     3     3     0     1     0   inf    0
 allocdirectpl 80      509    0      509    11    11     0     5     0   inf    0
 bmsafemappl   36       17    0       17     3     3     0     1     0   inf    0
 newblkpl      36     2043    0     2043     5     5     0     1     0   inf    0
 inodedeppl    92      410    0      410    13    13     0     5     0   inf    0
 pagedeppl     72       43    0       43     4     4     0     1     0   inf    0
 sdpcpool     148     2013    0     2013    11    11     0     5     0   inf    0
 nfsvapl      112       79    0       78     1     0     1     1     0   inf    0
 nfsnodepl    388       79    0       78     2     1     1     2     0   inf    0
 tcpcbpl      392     6043    0     5993    70    64     6    24     0   inf    
1
 sackholepl    20       22    0       22     4     4     0     1     0   inf    0
 synpl        172     3098    0     3098    10     9     1     1     0   inf    
1
 tcpipqepl     44     6840    0     6840    19    18     1     1     0   inf    
1
 ipqepl        44     4181    0     4181     4     4     0     1     0   inf    0
 inmltpl       32        2    0        0     1     0     1     1     0   inf    0
 inpcbpl      108    16141    0    16067    20    17     3     8     0   inf    
1
 kvakmem     4096      402    0      308     5     0     5     5     0   inf    0
 kvakernel   4096   404844    0   351621  2080    52  2028  2049     0   inf    
6
 pdppl       4096    36221    0    36136 35729 35641    88   269     0   inf    
3
 pmappl       100 12804009    0 12803931   108   105     3     7     0   inf    0
 pcgpool      140   361332    0   361221   786   778     8   220     0   inf    0
 phpool-128   164       32    0       28     1     0     1     1     0   inf    0
 phpool-64    100       18    0       15     1     0     1     1     0   inf    0
 phpool-32     68     2300    0      263    36     0    36    36     0   inf    0
 phpool-16     52      841    0      825     1     0     1     1     0   inf    0
 phpool-8      44     2099    0     2007     2     0     2     2     0   inf    0
 phpool-4      40     1433    0     1402     1     0     1     1     0   inf    0
 phpool-0      36    82864    0    78951    57     1    56    57     0   inf    0
 
 In use 364591K, total allocated 494562K; utilization 73.7%
 
 
 
 
 -- 
                                                Greg A. Woods
                                                Planix, Inc.
 
 <woods%planix.com@localhost>     +1 416 489-5852 x122     
http://www.planix.com/
 


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