rq subcommand
The rq subcommand lists threads currently queued on the system run queues.
Format
rq [ bucket | effectiveaddress]
Parameters
| Item | Description |
|---|---|
| bucket | Lists all threads queued in a particular bucket across all run queues. The bucket is equal to the thread priority minus 1. |
| effectiveaddress | Lists all threads queued in the bucket specified by the effective address. |
If the rq subcommand is used with no parameters, a list of all buckets currently containing threads across all run queues is generated. If the rq subcommand is used with parameters, you can restrict the generated list to a particular run queue or to a particular bucket across all run queues.
Other
runq
Examples
The following is an example of how to use the rq subcommand:
KDB(0)> rq
RQ BUCKET HEAD COUNT
02172D04 256 pvthread+000100 1
02172504 256 pvthread+000180 1
02173A1C 70 pvthread+005580 7
02173D04 256 pvthread+000200 1
02173504 256 pvthread+000280 1
KDB(0)> rq 02173A1C //bucket address from the RQ column
LOCAL RUNQ( 2) ENTRY( 70) 02173A1C
SLOT NAME STATE TID PRI RQ CPUID CL WCHAN
pvthread+005580 171>bash RUN 00AB67 045 2 0
pvthread+004D00 154>bash RUN 009A7F 045 2 0
pvthread+006100 194>bash RUN 00C2B7 045 2 0
pvthread+006500 202>bash RUN 00CAC9 045 2 0
pvthread+004C00 152>bash RUN 009851 045 2 0
pvthread+006380 199>bash RUN 00C701 045 2 0
pvthread+006280 197>bash RUN 00C5B7 045 2 0
KDB(0)> rq 256 //bucket number from the RQ column
LOCAL RUNQ( 0) ENTRY(256) 02172D04
SLOT NAME STATE TID PRI RQ CPUID CL WCHAN
pvthread+000100 2>wait RUN 000205 0FF 0 00000 0
LOCAL RUNQ( 1) ENTRY(256) 02172504
SLOT NAME STATE TID PRI RQ CPUID CL WCHAN
pvthread+000180 3>wait RUN 000307 0FF 1 00001 0
LOCAL RUNQ( 2) ENTRY(256) 02173D04
SLOT NAME STATE TID PRI RQ CPUID CL WCHAN
pvthread+000200 4>wait RUN 000409 0FF 2 00002 0
LOCAL RUNQ( 3) ENTRY(256) 02173504
SLOT NAME STATE TID PRI RQ CPUID CL WCHAN
pvthread+000280 5>wait RUN 00050B 0FF 3 00003 0
GLOBAL RUNQ(node 0) ENTRY(256) 02171904
KDB(0)>