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Re: kern/54818: 9.0_RC1 pagedaemon spins



The following reply was made to PR kern/54818; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: ad%netbsd.org@localhost
Cc: gnats-bugs%netbsd.org@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: kern/54818: 9.0_RC1 pagedaemon spins
Date: Thu, 2 Jan 2020 19:25:00 +0900

 >  Could you please try the following?
 >  
 >  	http://www.netbsd.org/~ad/2020/pdaemon-9.diff
 
 I guess uvm/uvm_pdpolicy_clockpro.c part (empty uvmpdpol_scanfini())
 isn't necessary, right?
 
 Unfortunately the spin still occurs with the above diff on load:
 (Firefox with HTML5 video + build.sh -j4 release + serial terminal output)
 
 ---
 load averages:  5.17,  4.40,  3.02;               up 0+03:00:37        18:08:10
 449 threads: 20 idle, 3 runnable, 410 sleeping, 1 stopped, 11 zombie, 4 on CPU
 CPU states: 38.1% user,  0.0% nice, 37.4% system,  1.9% interrupt, 22.5% idle
 Memory: 1540M Act, 752M Inact, 314M Wired, 211M Exec, 756M File, 16M Free
 Swap: 8972M Total, 179M Used, 8793M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/2     17:28 98.88% 98.88% pgdaemon  [system]
  7082    20 tsutsui   25 RUN/3      8:54 46.73% 46.73% Composito firefox
  7082   226 tsutsui   29 parked/1   0:16 20.63% 20.51% -         firefox
  1086     1 tsutsui   79 select/3  37:03 13.48% 13.48% -         X
  7082   227 tsutsui   28 RUN/0      0:14 12.43% 12.35% -         firefox
  7082     1 tsutsui   80 select/0   4:10 10.99% 10.99% -         firefox
  7082   228 tsutsui   31 CPU/0      0:15  9.38%  9.33% -         firefox
  1106     1 tsutsui   84 select/1   6:50  3.56%  3.56% -         ruby26
  2485     1 tsutsui   83 uvn_fp/3   0:00 13.23%  2.93% -         mnews
 
 ---
 load averages:  4.62,  4.56,  3.29;               up 0+03:02:58        18:10:31
 449 threads: 20 idle, 1 runnable, 412 sleeping, 1 stopped, 11 zombie, 4 on CPU
 CPU states: 34.9% user,  0.0% nice, 34.0% system,  0.1% interrupt, 30.9% idle
 Memory: 1516M Act, 746M Inact, 314M Wired, 198M Exec, 678M File, 49M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/1     19:48 98.58% 98.58% pgdaemon  [system]
  7082    20 tsutsui   26 CPU/2     10:09 52.44% 52.44% Composito firefox
  7082   233 tsutsui   29 parked/3   0:19 20.57% 20.51% -         firefox
  7082   235 tsutsui   27 parked/3   0:18 20.42% 20.36% -         firefox
  1086     1 tsutsui   79 select/2  37:28 19.29% 19.29% -         X
  7082   234 tsutsui   30 parked/3   0:17 13.47% 13.43% -         firefox
  7082     1 tsutsui   81 select/2   4:28 12.11% 12.11% -         firefox
 
 ---
 load averages:  4.21,  4.68,  3.72;               up 0+03:07:29        18:15:02
 467 threads: 20 idle, 6 runnable, 423 sleeping, 1 stopped, 13 zombie, 4 on CPU
 CPU states: 51.4% user,  0.0% nice, 40.4% system,  0.1% interrupt,  8.0% idle
 Memory: 1424M Act, 750M Inact, 316M Wired, 215M Exec, 599M File, 135M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/3     24:20 98.93% 98.93% pgdaemon  [system]
  7082    20 tsutsui   27 RUN/0     12:21 53.42% 53.42% Composito firefox
  1086     1 tsutsui   33 CPU/0     38:16 18.75% 18.75% -         X
  7082     1 tsutsui   82 select/1   5:10 15.82% 15.82% -         firefox
  1106     1 tsutsui   85 select/1   7:07  3.17%  3.17% -         ruby26
 13282     1 tsutsui   28 RUN/3      0:00  9.00%  0.44% -         cc1
  1677     1 tsutsui   27 RUN/2      0:00  7.00%  0.34% -         cc1
 24773     1 tsutsui   28 CPU/2      0:00  5.00%  0.24% -         cc1
 
 ---
 
 [ build.sh -j4 release is suspended here]
 
 ---
 load averages:  4.23,  4.65,  3.74;               up 0+03:07:59        18:15:32
 463 threads: 19 idle, 5 runnable, 391 sleeping, 32 stopped, 12 zombie, 4 on CPU
 CPU states: 26.4% user,  0.0% nice, 29.6% system,  1.0% interrupt, 42.9% idle
 Memory: 1450M Act, 751M Inact, 318M Wired, 213M Exec, 609M File, 107M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/3     24:50 98.88% 98.88% pgdaemon  [system]
  7082    20 tsutsui   77 select/0  12:34 44.73% 44.73% Composito firefox
  7082     1 tsutsui   36 parked/2   5:15 12.65% 12.65% -         firefox
  1086     1 tsutsui   30 RUN/0     38:20 12.45% 12.45% -         X
  7082   265 tsutsui   35 parked/3   0:03 14.26% 11.08% -         firefox
  7082   263 tsutsui   34 parked/1   0:04 10.74%  8.35% -         firefox
  7082   264 tsutsui   34 CPU/1      0:03  7.79%  6.05% -         firefox
  1118     2 tsutsui   85 select/0   0:20  5.47%  5.47% -         pulseaudio
     0    99 root     124 syncer/3   0:29  3.56%  3.56% ioflush   [system]
 
 ---
 load averages:  3.26,  4.29,  3.67;               up 0+03:08:59        18:16:32
 465 threads: 20 idle, 1 runnable, 396 sleeping, 32 stopped, 12 zombie, 4 on CPU
 CPU states: 25.4% user,  0.0% nice, 28.5% system,  0.0% interrupt, 45.9% idle
 Memory: 1485M Act, 749M Inact, 316M Wired, 213M Exec, 609M File, 77M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/1     25:50 99.02% 99.02% pgdaemon  [system]
  7082    20 tsutsui   26 CPU/2     13:08 47.66% 47.66% Composito firefox
  7082   263 tsutsui   31 parked/0   0:14 15.36% 15.19% -         firefox
  7082   264 tsutsui   36 parked/2   0:12 15.06% 14.89% -         firefox
  7082     1 tsutsui   36 CPU/3      5:24 14.45% 14.45% -         firefox
  1086     1 tsutsui   83 select/2  38:31 13.04% 13.04% -         X
  7082   265 tsutsui   34 parked/0   0:12  6.02%  5.96% -         firefox
  1106     1 tsutsui   85 select/0   7:11  1.90%  1.90% -         ruby26
 
 ---
 load averages:  2.92,  4.02,  3.61;               up 0+03:10:00        18:17:33
 464 threads: 20 idle, 2 runnable, 394 sleeping, 32 stopped, 12 zombie, 4 on CPU
 CPU states: 15.3% user,  0.0% nice, 27.8% system,  0.0% interrupt, 56.8% idle
 Memory: 1448M Act, 759M Inact, 315M Wired, 213M Exec, 609M File, 103M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/0     26:50 99.02% 99.02% pgdaemon  [system]
  7082    20 tsutsui   29 RUN/3     13:44 52.29% 52.29% Composito firefox
  7082     1 tsutsui   36 CPU/2      5:33 15.87% 15.87% -         firefox
  1086     1 tsutsui   82 select/3  38:42 13.28% 13.28% -         X
  7082   273 tsutsui   38 parked/2   0:02  8.71%  5.66% -         firefox
  7082   274 tsutsui   40 CPU/1      0:02  5.55%  3.61% -         firefox
  7082   177 tsutsui   43 parked/3   0:10  1.56%  1.56% MediaPDec firefox
  7082   170 tsutsui   43 parked/3   0:09  0.73%  0.73% MediaPDec firefox
  7082   163 tsutsui   43 parked/2   0:08  0.24%  0.24% MediaDeco firefox
  1118     2 tsutsui   85 select/2   0:21  0.10%  0.10% -         pulseaudio
  1106     1 tsutsui   85 select/1   7:12  0.00%  0.00% -         ruby26
 
 ---
 load averages:  2.54,  3.69,  3.51;               up 0+03:11:00        18:18:33
 467 threads: 18 idle, 4 runnable, 398 sleeping, 32 stopped, 11 zombie, 4 on CPU
 CPU states: 34.8% user,  0.0% nice, 30.8% system,  0.0% interrupt, 34.3% idle
 Memory: 1495M Act, 750M Inact, 316M Wired, 213M Exec, 609M File, 65M Free
 Swap: 8972M Total, 186M Used, 8786M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/3     27:50 99.02% 99.02% pgdaemon  [system]
  7082    20 tsutsui   76 select/1  14:23 63.96% 63.96% Composito firefox
  1086     1 tsutsui   32 RUN/0     38:54 21.97% 21.97% -         X
  7082   275 tsutsui   34 parked/0   0:11 20.67% 20.31% -         firefox
  7082   274 tsutsui   36 parked/1   0:11 14.61% 14.36% -         firefox
  7082     1 tsutsui   37 parked/2   5:42 13.48% 13.48% -         firefox
  7082   273 tsutsui   34 RUN/0      0:12 11.48% 11.28% -         firefox
  7082   179 tsutsui   43 parked/1   0:03  0.05%  0.05% MediaPlay firefox
  7082   164 tsutsui   43 parked/1   0:03  0.05%  0.05% MediaPlay firefox
  1106     1 tsutsui   85 select/0   7:13  0.00%  0.00% -         ruby26
 
 ---
 load averages:  2.49,  3.45,  3.43;               up 0+03:12:00        18:19:33
 464 threads: 20 idle, 2 runnable, 396 sleeping, 32 stopped, 11 zombie, 3 on CPU
 CPU states: 27.3% user,  0.0% nice, 30.5% system,  0.0% interrupt, 42.1% idle
 Memory: 1435M Act, 751M Inact, 316M Wired, 213M Exec, 553M File, 123M Free
 Swap: 8972M Total, 190M Used, 8782M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/1     28:50 98.97% 98.97% pgdaemon  [system]
  7082    20 tsutsui   76 select/2  14:57 56.69% 56.69% Composito firefox
  7082     1 tsutsui   82 select/3   5:51 17.33% 17.33% -         firefox
  1086     1 tsutsui   34 CPU/0     39:05 16.36% 16.36% -         X
  7082   284 tsutsui   39 parked/0   0:01 10.82%  5.18% -         firefox
  7082   283 tsutsui   38 parked/3   0:01  8.78%  4.20% -         firefox
  1106     1 tsutsui   85 select/0   7:13  1.46%  1.46% -         ruby26
  6548     1 tsutsui   85 select/2   0:02  1.17%  1.17% -         medit
 
 ---
 load averages:  2.54,  3.30,  3.37;               up 0+03:13:00        18:20:33
 462 threads: 19 idle, 2 runnable, 393 sleeping, 32 stopped, 12 zombie, 4 on CPU
 CPU states: 32.6% user,  0.0% nice, 31.7% system,  0.1% interrupt, 35.5% idle
 Memory: 1494M Act, 750M Inact, 316M Wired, 213M Exec, 553M File, 66M Free
 Swap: 8972M Total, 190M Used, 8782M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/2     29:50 99.02% 99.02% pgdaemon  [system]
  7082    20 tsutsui   76 select/1  15:34 57.91% 57.91% Composito firefox
  1086     1 tsutsui   32 CPU/3     39:16 17.43% 17.43% -         X
  7082   285 tsutsui   37 parked/1   0:10 17.44% 16.99% -         firefox
  7082   283 tsutsui   38 RUN/2      0:10 13.98% 13.62% -         firefox
  7082     1 tsutsui   33 parked/3   6:01 13.33% 13.33% -         firefox
  7082   284 tsutsui   41 parked/0   0:09 12.03% 11.72% -         firefox
  1118     2 tsutsui   85 select/1   0:23  0.78%  0.78% -         pulseaudio
   488     1 tsutsui   85 select/3   0:09  0.24%  0.24% -         ibus-ui-gtk3
  1086     3 tsutsui   85 select/1   0:09  0.05%  0.05% -         X
  1106     1 tsutsui   85 select/1   7:14  0.00%  0.00% -         ruby26
 
 ---
 load averages:  2.67,  3.20,  3.33;               up 0+03:14:00        18:21:33
 460 threads: 18 idle, 3 runnable, 390 sleeping, 32 stopped, 13 zombie, 4 on CPU
 CPU states: 27.2% user,  0.0% nice, 31.2% system,  0.0% interrupt, 41.4% idle
 Memory: 1411M Act, 750M Inact, 316M Wired, 213M Exec, 553M File, 149M Free
 Swap: 8972M Total, 190M Used, 8782M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/2     30:50 98.93% 98.93% pgdaemon  [system]
  7082    20 tsutsui   27 RUN/3     16:11 60.21% 60.21% Composito firefox
  1086     1 tsutsui   80 select/0  39:29 16.99% 16.99% -         X
  7082     1 tsutsui   82 select/1   6:12 16.46% 16.46% -         firefox
  7082   178 tsutsui   85 select/3   0:01  1.32%  1.32% -         firefox
  7082   170 tsutsui   43 parked/0   0:10  0.34%  0.34% MediaPDec firefox
  1106     1 tsutsui   85 select/3   7:15  0.00%  0.00% -         ruby26
     0    17 root      43 lnxsys/1   1:31  0.00%  0.00% lnxsyswq  [system]
     0    99 root     124 syncer/3   0:30  0.00%  0.00% ioflush   [system]
  1118     2 tsutsui   85 select/3   0:24  0.00%  0.00% -         pulseaudio
 
 ---
 
 [ firefox + HTML5 video stopped here ]
 
 ---
 load averages:  1.36,  2.72,  3.14;               up 0+03:15:00        18:22:33
 455 threads: 18 idle, 1 runnable, 387 sleeping, 32 stopped, 13 zombie, 4 on CPU
 CPU states:  0.3% user,  0.0% nice, 25.3% system,  0.0% interrupt, 74.3% idle
 Memory: 1340M Act, 669M Inact, 310M Wired, 213M Exec, 554M File, 307M Free
 Swap: 8972M Total, 190M Used, 8782M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/1     31:51 99.02% 99.02% pgdaemon  [system]
  1106     1 tsutsui   85 select/0   7:16  2.64%  2.64% -         ruby26
  7082    20 tsutsui   43 parked/3  16:12  2.54%  2.54% Composito firefox
  1086     1 tsutsui   85 select/0  39:31  1.46%  1.46% -         X
  7082     1 tsutsui   85 select/3   6:15  1.46%  1.46% -         firefox
   918     1 tsutsui   85 ttyraw/2   0:02  0.44%  0.44% -         kermit
     0    17 root      43 lnxsys/0   1:31  0.00%  0.00% lnxsyswq  [system]
     0    99 root     124 syncer/0   0:30  0.00%  0.00% ioflush   [system]
  1118     2 tsutsui   85 select/0   0:24  0.00%  0.00% -         pulseaudio
   160     1 tsutsui   85 select/3   0:18  0.00%  0.00% -         kterm
 
 ---
 load averages:  0.69,  2.27,  2.94;               up 0+03:16:00        18:23:33
 451 threads: 18 idle, 3 runnable, 382 sleeping, 32 stopped, 12 zombie, 4 on CPU
 CPU states:  0.8% user,  0.0% nice, 25.4% system,  0.0% interrupt, 73.8% idle
 Memory: 1342M Act, 664M Inact, 310M Wired, 213M Exec, 556M File, 309M Free
 Swap: 8972M Total, 190M Used, 8782M Free
 
   PID   LID USERNAME PRI STATE      TIME   WCPU    CPU NAME      COMMAND
     0    98 root     126 CPU/1     32:51 99.02% 99.02% pgdaemon  [system]
  1106     1 tsutsui   85 select/2   7:18  4.44%  4.44% -         ruby26
  1086     1 tsutsui   85 select/0  39:31  0.00%  0.00% -         X
  7082    20 tsutsui   43 parked/3  16:12  0.00%  0.00% Composito firefox
  7082     1 tsutsui   85 select/0   6:16  0.00%  0.00% -         firefox
     0    17 root      43 lnxsys/0   1:31  0.00%  0.00% lnxsyswq  [system]
     0    99 root     124 syncer/0   0:30  0.00%  0.00% ioflush   [system]
  1118     2 tsutsui   85 select/0   0:24  0.00%  0.00% -         pulseaudio
   160     1 tsutsui   85 select/3   0:18  0.00%  0.00% -         kterm
   867     4 tsutsui   85 select/0   0:17  0.00%  0.00% -         ibus-daemon
   867     1 tsutsui   85 select/0   0:14  0.00%  0.00% -         ibus-daemon
  1086     3 tsutsui   85 select/0   0:10  0.00%  0.00% -         X
 
 ---
 
  :
 
 ---
 load averages:  0.91,  0.76,  0.74;               up 0+04:07:30        19:15:03
 124 processes: 90 sleeping, 32 stopped, 2 on CPU
 CPU states:  0.0% user,  0.0% nice, 25.0% system,  0.0% interrupt, 74.9% idle
 Memory: 1437M Act, 771M Inact, 308M Wired, 213M Exec, 722M File, 116M Free
 Swap: 8972M Total, 187M Used, 8785M Free
 
   PID USERNAME PRI NICE   SIZE   RES STATE      TIME   WCPU    CPU COMMAND
     0 root     126    0     0K   30M CPU/1     87:28 99.61% 99.61% [system]
  1106 tsutsui   43    0  1079M  378M parked/0  12:25  5.18%  5.18% ruby26
  1086 tsutsui   85    0   197M  102M select/0  41:19  4.25%  4.25% X
  
 ---
 
 vmstat -s 60 output during CPU=~100%:
 ---
      4096 bytes per page
         8 page colors
    832700 pages managed
     60342 pages free
    357560 pages active
    174830 pages inactive
         0 pages paging
     79437 pages wired
     48677 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155348 kernel pool pages
    397762 anonymous pages
    159684 cached file pages
     54381 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48090 swap pages in use
     38097 swap allocations
 571167736 total faults taken
 572025051 traps
   6151654 device interrupts
  76097176 CPU context switches
   7620552 software interrupts
 784213321 system calls
     37949 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153923 forks total
    833401 forks blocked parent
    833401 forks shared address space with parent
  34779238 pagealloc zero wanted and avail
 174312295 pagealloc zero wanted and not avail
      5505 aborts of idle page zeroing
 440945942 pagealloc desired color avail
  41317461 pagealloc desired color not avail
 371972703 pagealloc local cpu avail
 110290700 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    233969 faults relock (232471 ok)
  20588058 anon page faults
     37521 anon retry faults
  42871646 amap copy faults
  15367225 neighbour anon page faults
 506973389 neighbour object page faults
 127416617 locked pager get faults
    196005 unlocked pager get faults
  13246783 anon faults
   7341632 anon copy on write faults
 102744734 object faults
  24669311 promote copy faults
 201209401 promote zero fill faults
       793 times daemon wokeup
    114784 revolutions of the clock hand
   4038337 pages freed by daemon
  10901027 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   3915470 object pages scanned by daemon
   2279625 pages reactivated
      3280 pages found busy by daemon
    115747 total pending pageouts
  11899207 pages deactivated
 1173949525 total name lookups
 1110996690 good hits
  56424088 negative hits
   1018792 bad hits
    599001 false hits
   4635176 miss
    275778 too long
    531266 pass2 hits
   1006000 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
      4096 bytes per page
         8 page colors
    832700 pages managed
      7441 pages free
    391703 pages active
    193576 pages inactive
         0 pages paging
     79401 pages wired
      2499 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155258 kernel pool pages
    398418 anonymous pages
    211804 cached file pages
     54458 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48088 swap pages in use
     38106 swap allocations
 571481759 total faults taken
 572339088 traps
   6190161 device interrupts
  76356058 CPU context switches
   7671880 software interrupts
 784505780 system calls
     37958 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153924 forks total
    833402 forks blocked parent
    833402 forks shared address space with parent
  34785858 pagealloc zero wanted and avail
 174314899 pagealloc zero wanted and not avail
      5608 aborts of idle page zeroing
 441315623 pagealloc desired color avail
  41354429 pagealloc desired color not avail
 372091719 pagealloc local cpu avail
 110578333 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    234000 faults relock (232502 ok)
  20589617 anon page faults
     37530 anon retry faults
  42872364 amap copy faults
  15367225 neighbour anon page faults
 506973825 neighbour object page faults
 127416751 locked pager get faults
    196027 unlocked pager get faults
  13248342 anon faults
   7341632 anon copy on write faults
 102744851 object faults
  24669328 promote copy faults
 201218590 promote zero fill faults
       793 times daemon wokeup
    118887 revolutions of the clock hand
   4291215 pages freed by daemon
  11607144 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   4168348 object pages scanned by daemon
   2412568 pages reactivated
      3303 pages found busy by daemon
    115747 total pending pageouts
  12624344 pages deactivated
 1173953475 total name lookups
 1111000536 good hits
  56424113 negative hits
   1018811 bad hits
    599001 false hits
   4635229 miss
    275785 too long
    531266 pass2 hits
   1006005 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
      4096 bytes per page
         8 page colors
    832700 pages managed
     13293 pages free
    384629 pages active
    194766 pages inactive
         0 pages paging
     79397 pages wired
     11813 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155293 kernel pool pages
    395048 anonymous pages
    208907 cached file pages
     54837 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48072 swap pages in use
     38129 swap allocations
 571546372 total faults taken
 572403707 traps
   6195009 device interrupts
  76397706 CPU context switches
   7687158 software interrupts
 784707192 system calls
     37981 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153926 forks total
    833404 forks blocked parent
    833404 forks shared address space with parent
  34790304 pagealloc zero wanted and avail
 174315985 pagealloc zero wanted and not avail
      5613 aborts of idle page zeroing
 441363218 pagealloc desired color avail
  41356991 pagealloc desired color not avail
 372119451 pagealloc local cpu avail
 110600758 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    234085 faults relock (232586 ok)
  20590298 anon page faults
     37552 anon retry faults
  42872809 amap copy faults
  15367227 neighbour anon page faults
 506974947 neighbour object page faults
 127417227 locked pager get faults
    196089 unlocked pager get faults
  13249022 anon faults
   7341632 anon copy on write faults
 102745137 object faults
  24669518 promote copy faults
 201224091 promote zero fill faults
       793 times daemon wokeup
    118888 revolutions of the clock hand
   4295483 pages freed by daemon
  11611504 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   4172616 object pages scanned by daemon
   2412581 pages reactivated
      3303 pages found busy by daemon
    115747 total pending pageouts
  12628162 pages deactivated
 1173956237 total name lookups
 1111003060 good hits
  56424173 negative hits
   1018820 bad hits
    599001 false hits
   4635300 miss
    275883 too long
    531269 pass2 hits
   1006022 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
      4096 bytes per page
         8 page colors
    832700 pages managed
      7332 pages free
    392330 pages active
    193080 pages inactive
         0 pages paging
     79309 pages wired
      5862 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155375 kernel pool pages
    396569 anonymous pages
    213313 cached file pages
     54837 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48070 swap pages in use
     38303 swap allocations
 571609612 total faults taken
 572466955 traps
   6200615 device interrupts
  76457315 CPU context switches
   7703597 software interrupts
 785023135 system calls
     38152 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153926 forks total
    833404 forks blocked parent
    833404 forks shared address space with parent
  34796650 pagealloc zero wanted and avail
 174319457 pagealloc zero wanted and not avail
      5619 aborts of idle page zeroing
 441434855 pagealloc desired color avail
  41357844 pagealloc desired color not avail
 372163237 pagealloc local cpu avail
 110629462 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    234291 faults relock (232792 ok)
  20591101 anon page faults
     37723 anon retry faults
  42873789 amap copy faults
  15367227 neighbour anon page faults
 506975130 neighbour object page faults
 127417316 locked pager get faults
    196124 unlocked pager get faults
  13249825 anon faults
   7341632 anon copy on write faults
 102745226 object faults
  24669518 promote copy faults
 201233875 promote zero fill faults
       793 times daemon wokeup
    118894 revolutions of the clock hand
   4299298 pages freed by daemon
  11674014 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   4176431 object pages scanned by daemon
   2440817 pages reactivated
      3303 pages found busy by daemon
    115747 total pending pageouts
  12690889 pages deactivated
 1173959731 total name lookups
 1111006292 good hits
  56424233 negative hits
   1018821 bad hits
    599001 false hits
   4635302 miss
    276082 too long
    531269 pass2 hits
   1006026 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
      4096 bytes per page
         8 page colors
    832700 pages managed
      6928 pages free
    392318 pages active
    193483 pages inactive
         0 pages paging
     79309 pages wired
      5501 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155303 kernel pool pages
    396630 anonymous pages
    213643 cached file pages
     54837 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48064 swap pages in use
     38323 swap allocations
 571659315 total faults taken
 572516639 traps
   6206759 device interrupts
  76524523 CPU context switches
   7719472 software interrupts
 785362761 system calls
     38172 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153926 forks total
    833404 forks blocked parent
    833404 forks shared address space with parent
  34798919 pagealloc zero wanted and avail
 174320897 pagealloc zero wanted and not avail
      5634 aborts of idle page zeroing
 441485663 pagealloc desired color avail
  41358775 pagealloc desired color not avail
 372199678 pagealloc local cpu avail
 110644760 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    234328 faults relock (232828 ok)
  20591171 anon page faults
     37742 anon retry faults
  42874205 amap copy faults
  15367228 neighbour anon page faults
 506975191 neighbour object page faults
 127417387 locked pager get faults
    196141 unlocked pager get faults
  13249894 anon faults
   7341632 anon copy on write faults
 102745297 object faults
  24669518 promote copy faults
 201237532 promote zero fill faults
       793 times daemon wokeup
    118894 revolutions of the clock hand
   4299298 pages freed by daemon
  11674014 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   4176431 object pages scanned by daemon
   2440817 pages reactivated
      3303 pages found busy by daemon
    115747 total pending pageouts
  12690889 pages deactivated
 1173964655 total name lookups
 1111010750 good hits
  56424273 negative hits
   1018822 bad hits
    599001 false hits
   4635309 miss
    276500 too long
    531269 pass2 hits
   1006027 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
      4096 bytes per page
         8 page colors
    832700 pages managed
     11139 pages free
    387981 pages active
    193564 pages inactive
         0 pages paging
     79345 pages wired
      9438 zero pages
         1 reserve pagedaemon pages
        20 reserve kernel pages
     13825 boot kernel pages
    155380 kernel pool pages
    401648 anonymous pages
    204405 cached file pages
     54837 cached executable pages
      1024 minimum free pages
      1365 target free pages
    277566 maximum wired pages
         1 swap devices
   2296837 swap pages
     48063 swap pages in use
     38334 swap allocations
 571795544 total faults taken
 572652856 traps
   6217762 device interrupts
  76615644 CPU context switches
   7742758 software interrupts
 785837015 system calls
     38182 pagein requests
      7809 pageout requests
         0 pages swapped in
    123557 pages swapped out
   1153928 forks total
    833405 forks blocked parent
    833405 forks shared address space with parent
  34809731 pagealloc zero wanted and avail
 174330339 pagealloc zero wanted and not avail
      5635 aborts of idle page zeroing
 441623057 pagealloc desired color avail
  41363612 pagealloc desired color not avail
 372299528 pagealloc local cpu avail
 110687141 pagealloc local cpu not avail
        17 faults with no memory
         0 faults with no anons
        15 faults had to wait on pages
         0 faults found released page
    234428 faults relock (232926 ok)
  20592568 anon page faults
     37752 anon retry faults
  42875771 amap copy faults
  15367288 neighbour anon page faults
 506976395 neighbour object page faults
 127417869 locked pager get faults
    196231 unlocked pager get faults
  13251234 anon faults
   7341689 anon copy on write faults
 102745681 object faults
  24669614 promote copy faults
 201257608 promote zero fill faults
       793 times daemon wokeup
    118897 revolutions of the clock hand
   4309683 pages freed by daemon
  11775017 pages scanned by daemon
    122868 anonymous pages scanned by daemon
   4186816 object pages scanned by daemon
   2463970 pages reactivated
      3303 pages found busy by daemon
    115747 total pending pageouts
  12792264 pages deactivated
 1173968522 total name lookups
 1111014253 good hits
  56424377 negative hits
   1018827 bad hits
    599001 false hits
   4635343 miss
    276721 too long
    531269 pass2 hits
   1006029 2passes
           cache hits (94% pos + 4% neg) system 0% per-process
           deletions 0%, falsehits 0%, toolong 0%
 
 
 ---
 Izumi Tsutsui
 


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