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onstat -g sch

Prints the number of semaphore operations, spins, and busy waits for each virtual processor.

Example Output

Figure 59. onstat -g sch output
IBM Informix Extended Parallel Server Version 8.50.FN145 -- On-Line -- Up 02:00:03 
-- 101376 Kbytes
VP Scheduler Statistics:
 vp    pid       class       semops    busy waits  spins/wait
 1     2599      cpu         0         0           0         
 2     2602      adm         0         0           0         
 3     2603      cpu         125735    125735      10001     
 4     2604      cpu         125486    125487      10291     
 5     2605      cpu         125585    125585      10001     
 6     2606      lio         811       811         1000      ]
 7     2607      pio         810       810         1000      
 8     2608      aio         1489      1489        1000      
 9     2609      msc         810       810         1000      
 10    2610      fifo        810       810         1000      
 11    2611      fifo        811       811         1000      
 12    2612      aio         812       812         1000      
 13    2613      aio         810       810         1000      
 14    2614      aio         811       811         1000      
Thread Migration Statistics:
 vp  pid     class steal-at steal-sc idlvp-at idlevp-sc Q-ln Polls Idles IdleSec
 1   2599    cpu   125799   184      0        0        0      151   151    2.99
 2   2602    adm   0        0        186      186      0        0     0    0.00
 3   2603    cpu   125596   43       1        0        0        0     0    0.00
 4   2604    cpu   125481   8        2        0        0        0     0    0.00
 5   2605    cpu   125594   17       0        0        0        0     0    0.00
 6   2606    lio   0        0        0        0        0        0     0    0.00
 7   2607    pio   0        0        0        0        0        0     0    0.00
 8   2608    aio   0        0        3        0        0        0     0    0.00
 9   2609    msc   0        0        0        0        0        0     0    0.00
 10  2610    fifo  0        0        0        0        0        0     0    0.00
 11  2611    fifo  0        0        0        0        0        0     0    0.00
 12  2612    aio   0        0        0        0        0        0     0    0.00
 13  2613    aio   0        0        0        0        0        0     0    0.00
 14  2614    aio   0        0        0        0        0        0     0    0.00
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