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onstat -g glo MT Global Information

The onstat -g glo command provides information on the status of the virtual processors in the system. 

MT global info:
sessions threads  vps      lngspins
32       250      33       113648

          sched calls     thread switches yield 0   yield n   yield forever
total:    80447124        2055860175      2478959126 434990834 731372257
per sec:  4177            4044            171       178       1621

Virtual processor summary:
 class       vps       usercpu   syscpu    total
 cpu         6         805184.57  39823.03  845007.60
 aio         16        201.74    290.89    492.63
 lio         1         3.18      9.19      12.37
 pio         1         2.93      8.37      11.30
 adm         1         206.62    53.20     259.82
 soc         1         393.55    858.41    1251.96
 msc         1         0.29      0.33      0.62
 fifo        1         3.06      8.36      11.42
 regexp      3         21.94     23.94     45.88
 ETX         2         14.46     15.76     30.22
 total       33        806032.34  41091.48  847123.82

Individual virtual processors:
 vp    pid       class       usercpu   syscpu    total     Thread    Eff
 1     1553      cpu         75563.65  7075.69   82639.34  537872.98  15%
 2     1554      adm         206.62    53.20     259.82    0.00       0%
 3     1555      lio         3.18      9.19      12.37     12.37    100%
 4     1556      pio         2.93      8.37      11.30     11.30    100%
 5     1557      aio         131.05    150.91    281.96    31366.27   0%
 6     1558      msc         0.29      0.33      0.62      0.62     100%
 7     1559      fifo        3.06      8.36      11.42     11.42    100%
 8     1560      cpu         277260.40  10227.55  287487.95  721911.53  39%
 9     1561      cpu         150374.96  7107.81   157482.77  539274.35  29%
 10    1562      cpu         109481.14  5412.33   114893.47  446412.82  25%
 11    1563      cpu         96192.64  4969.38   101162.02  398515.17  25%
 12    1564      cpu         96311.78  5030.27   101342.05  381459.40  26%
 13    1565      regexp      7.37      8.14      15.51     15.51    100%
 14    1566      regexp      7.34      7.86      15.20     0.00       0%
 15    1567      regexp      7.23      7.94      15.17     0.00       0%
 16    1568      ETX         7.25      7.89      15.14     0.00       0%
 17    1569      ETX         7.21      7.87      15.08     0.00       0%
 18    1570      aio         11.80     20.35     32.15     28392.68   0%
 19    1571      aio         7.14      11.94     19.08     21794.76   0%
 20    1572      aio         5.51      10.30     15.81     18674.64   0%
 21    1573      aio         5.17      9.20      14.37     16058.98   0%
 22    1574      aio         5.23      8.74      13.97     14587.17   0%
 23    1575      aio         3.78      8.74      12.52     13444.06   0%
 24    1576      aio         4.16      8.20      12.36     12879.65   0%
 25    1577      aio         3.55      8.09      11.64     12401.00   0%
 26    1578      aio         3.52      7.95      11.47     11922.06   0%
 27    1579      aio         3.38      7.70      11.08     11486.18   0%
 28    1580      aio         3.42      7.96      11.38     10871.17   0%
 32    1581      aio         3.54      7.66      11.20     10413.82   0%
 29    1582      aio         3.41      7.72      11.13     11217.40   0%
 30    1583      aio         3.43      7.75      11.18     10143.16   0%
 31    1584      aio         3.65      7.68      11.33     10038.97   0%
 33    1585      soc         393.55    858.41    1251.96   NA         NA
                 tot         806032.34  41091.48  847123.82

Output Description

MT Global Info

Heading Description Format See Also
sessions The total number of active sessions. Dec onstat -g ses
threads The total number of active threads. Dec onstat -g ath
vps The total number of active virtual processors. Dec onstat -g sch
lngspins The number of times a thread had to spin more than 10,000 times to acquire a latch on a resource. Dec onstat -g spi

MT Yield Information

Heading Description Format
sched calls The total/per second calls made by the VPs Dec
thread switches The total/per second number of thread switches performed Dec
yield 0 The total/per second number of yield 0 calls peformed Dec
yield n The total/per second number of yield n calls peformed Dec
yield forever The total/per second number of yield forever calls peformed Dec

Virtual Processor Summary

Heading Description Format
class The type of virtual processor Str
vps The number of instances of this class of vp. Dec
usercpu The total user time this class of vp has spent running on the cpu in seconds. Flt
syscpu The total system time this class of vp has spent running on the cpu in seconds. Flt
total The total number of virtual processors, user time and system time. Flt

Individual Virtual Processors

Heading Description Format
vp The virtual processor number sequentially assigned. Dec
pid The process ID of the oninit process for this virtual processor, Dec
class The class of virtual processor. Str
usercpu The total user time this vp has spent running on the cpu in seconds. Flt
syscpu The total system time this vp has spent running on the cpu in seconds. Flt
total The total number of virtual processors, user time and system time. Flt
Thread The total time the threads ran on the virtual processor. Flt
Eff Efficiency. The ratio of the total CPU time to the total time the threads ran on the virtual processor. Flt

Notes

    A thread performs a yield 0 when it wishes to be told when a request has been completed.

    A thread performs a yield n when it wishes to wait for a specified period before being moved from the sleep queue to the ready queue. The Btree cleaner thread is an example of a thread that yields for a specific number of seconds.

    When removing a CPUVP(s) using onmode -p the CPUVP is not removed in order, instead the least busy CPUVP(s) are selected i.e., less syscpu, usercpu and threads.

    For network connections the cpu time value will not tally with the onstat -g cpu.

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