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Script File : scenarios/cpus4_mode_case2.scen
verbose : 1
==> 1: #
==> 2: # Show how having a non-preemptive task can create a
==> 3: # priority inversion
==> 4: #
==> 5: rtems_init 4
Thread Heir: 0x09010001 priority=255
Thread Executing: 0x09010001 priority=255
==> 6: task_create -p smp1 4
Creating task with: Preemption: no Timeslicing: no
Task (smp1) created: id=0x0a010001, priority=4
Task (smp1) starting: id=0x0a010001, priority=4
Thread Heir: 0x0a010001 priority=4
Thread Executing: 0x0a010001 priority=4
==> 7: task_create -p smp2 5
Creating task with: Preemption: no Timeslicing: no
Task (smp2) created: id=0x0a010002, priority=5
Task (smp2) starting: id=0x0a010002, priority=5
==> 8: task_create -p smp3 4
Creating task with: Preemption: no Timeslicing: no
Task (smp3) created: id=0x0a010003, priority=4
Task (smp3) starting: id=0x0a010003, priority=4
==> 9: task_create -p smp4 4
Creating task with: Preemption: no Timeslicing: no
Task (smp4) created: id=0x0a010004, priority=4
Task (smp4) starting: id=0x0a010004, priority=4
==> 10: dispatch
=== Invoke Thread Dispatch on CPU 1
Thread Heir: 0x0a010002 priority=5
Thread Executing: 0x09010002 priority=255
Thread Executing: 0x0a010002 priority=5
=== Invoke Thread Dispatch on CPU 2
Thread Heir: 0x0a010003 priority=4
Thread Executing: 0x09010003 priority=255
Thread Executing: 0x0a010003 priority=4
=== Invoke Thread Dispatch on CPU 3
Thread Heir: 0x0a010004 priority=4
Thread Executing: 0x09010004 priority=255
Thread Executing: 0x0a010004 priority=4
==> 11: # GOAL: 0x0a010001 - 0x0a010004 are heir and executing
==> 12: # GOAL: on CPUs 0 - 3 respectively
==> 13: cpus
=== CPU Status
EXECUTING / HEIR / IDLE / SWITCH NEEDED
CPU 0: 0x0a010001 @ 4 / 0x0a010001 @ 4 / 0x09010001 @255 false
CPU 1: 0x0a010002 @ 5 / 0x0a010002 @ 5 / 0x09010002 @255 false
CPU 2: 0x0a010003 @ 4 / 0x0a010003 @ 4 / 0x09010003 @255 false
CPU 3: 0x0a010004 @ 4 / 0x0a010004 @ 4 / 0x09010004 @255 false
=== End of Ready Set of Threads
==> 14:
==> 15: task_create smp5 3
Creating task with: Preemption: yes Timeslicing: no
Thread Heir: 0x0a010001 priority=4
Thread Executing: 0x0a010001 priority=4
Task (smp5) created: id=0x0a010005, priority=3
Task (smp5) starting: id=0x0a010005, priority=3
==> 16: dispatch
==> 17: # GOAL: 0x0a010001 - 0x0a010004 are executing on CPUs 0 - 3.
==> 18: # GOAL: All are also heir EXCEPT 0x0a010005 is heir on CPU 1.
==> 19: # GOAL: **** SHOWS INVERSION - CPU 1 has NO PREEMPT TASK ****
==> 20: cpus
=== CPU Status
EXECUTING / HEIR / IDLE / SWITCH NEEDED
CPU 0: 0x0a010001 @ 4 / 0x0a010001 @ 4 / 0x09010001 @255 false
CPU 1: 0x0a010002 @ 5 / 0x0a010005 @ 3 / 0x09010002 @255 false
CPU 2: 0x0a010003 @ 4 / 0x0a010003 @ 4 / 0x09010003 @255 false
CPU 3: 0x0a010004 @ 4 / 0x0a010004 @ 4 / 0x09010004 @255 false
=== End of Ready Set of Threads
==> 21:
==> 22: current_cpu 1
Changing current CPU from 0 to 1
==> 23: task_mode -P
Thread Heir: 0x0a010005 priority=3
Thread Executing: 0x0a010002 priority=5
Thread Executing: 0x0a010005 priority=3
Previous Mode: Preemption: no Timeslicing: no
Current Mode: Preemption: yes Timeslicing: no
==> 24: dispatch
==> 25: # GOAL: 0x0a010001, 0x0a010005, 0x0a010003, and 0x0a010004 are
==> 26: # GOAL: heir and executing on CPUs 0 - 3
==> 27: cpus
=== CPU Status
EXECUTING / HEIR / IDLE / SWITCH NEEDED
CPU 0: 0x0a010001 @ 4 / 0x0a010001 @ 4 / 0x09010001 @255 false
CPU 1: 0x0a010005 @ 3 / 0x0a010005 @ 3 / 0x09010002 @255 false
CPU 2: 0x0a010003 @ 4 / 0x0a010003 @ 4 / 0x09010003 @255 false
CPU 3: 0x0a010004 @ 4 / 0x0a010004 @ 4 / 0x09010004 @255 false
=== End of Ready Set of Threads
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