[rtems-schedsim commit] schedsim_smppriority_affinity: Add a worst case migration scenario.
Jennifer Averett
jennifer at rtems.org
Fri May 23 19:06:46 UTC 2014
Module: rtems-schedsim
Branch: master
Commit: 25277451a1ddfe9dde5534083d24301b412eac5f
Changeset: http://git.rtems.org/rtems-schedsim/commit/?id=25277451a1ddfe9dde5534083d24301b412eac5f
Author: Jennifer Averett <jennifer.averett at oarcorp.com>
Date: Fri May 23 11:04:53 2014 -0500
schedsim_smppriority_affinity: Add a worst case migration scenario.
---
.../cpus4_affinity_migrate_case3.expected | 135 ++++++++++++++++++++
.../scenarios/cpus4_affinity_migrate_case3.scen | 47 +++++++
2 files changed, 182 insertions(+), 0 deletions(-)
diff --git a/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.expected b/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.expected
new file mode 100644
index 0000000..f3941a1
--- /dev/null
+++ b/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.expected
@@ -0,0 +1,135 @@
+Script File : scenarios/cpus4_affinity_migrate_case3.scen
+verbose : 1
+==> 1: #
+==> 2: # Worst case migration triggered by a set prioriity with
+==> 3: # thread affinity.
+==> 4: #
+==> 5: rtems_init 4
+ CPU 0: Thread Heir 0x09010001 priority=255
+ CPU 0: Thread Executing 0x09010001 priority=255
+ CPU 1: Thread Heir 0x09010002 priority=255
+ CPU 1: Thread Executing 0x09010002 priority=255
+ CPU 2: Thread Heir 0x09010003 priority=255
+ CPU 2: Thread Executing 0x09010003 priority=255
+ CPU 3: Thread Heir 0x09010004 priority=255
+ CPU 3: Thread Executing 0x09010004 priority=255
+==> 6: task_create smp1 7
+Creating task with: Preemption: yes Timeslicing: no
+Task (smp1) created: id=0x0a010001, priority=7
+Task (smp1) starting: id=0x0a010001, priority=7
+ CPU 3: Thread Heir 0x0a010001 priority=7
+ CPU 3: Thread Executing 0x0a010001 priority=7
+==> 7: task_create smp2 8
+Creating task with: Preemption: yes Timeslicing: no
+Task (smp2) created: id=0x0a010002, priority=8
+Task (smp2) starting: id=0x0a010002, priority=8
+ CPU 2: Thread Heir 0x0a010002 priority=8
+ CPU 2: Thread Executing 0x0a010002 priority=8
+==> 8: task_create smp3 5
+Creating task with: Preemption: yes Timeslicing: no
+Task (smp3) created: id=0x0a010003, priority=5
+Task (smp3) starting: id=0x0a010003, priority=5
+ CPU 1: Thread Heir 0x0a010003 priority=5
+ CPU 1: Thread Executing 0x0a010003 priority=5
+==> 9: task_create smp4 6
+Creating task with: Preemption: yes Timeslicing: no
+Task (smp4) created: id=0x0a010004, priority=6
+Task (smp4) starting: id=0x0a010004, priority=6
+ CPU 0: Thread Heir 0x0a010004 priority=6
+ CPU 0: Thread Executing 0x0a010004 priority=6
+==> 10: task_create smp5 9
+Creating task with: Preemption: yes Timeslicing: no
+Task (smp5) created: id=0x0a010005, priority=9
+Task (smp5) starting: id=0x0a010005, priority=9
+==> 11:
+==> 12: # GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+==> 13: # GOAL: on CPUs 3-0 respectively
+==> 14: cpus smp4 smp3 smp2 smp1
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+ CPU 1: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 2: 0x0a010002 @ 8 / 0x0a010002 @ 8 false
+ CPU 3: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+=== End of Ready Set of Threads
+==> 15:
+==> 16: # Tasks are created and distributed across CPUs
+==> 17: task_set_affinity smp5 0x02
+Task (0x0a010005) Set affinity=0x00000002
+==> 18: # GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+==> 19: # GOAL: on CPUs 3-0 respectively
+==> 20: # PRI: 6 5 8 7
+==> 21: cpus smp4 smp3 smp2 smp1
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+ CPU 1: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 2: 0x0a010002 @ 8 / 0x0a010002 @ 8 false
+ CPU 3: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+=== End of Ready Set of Threads
+==> 22:
+==> 23: task_set_affinity smp3 0x03
+Task (0x0a010003) Set affinity=0x00000003
+==> 24: # GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+==> 25: # GOAL: on CPUs 3-0 respectively
+==> 26: # PRI: 6 5 8 7
+==> 27: cpus smp4 smp3 smp2 smp1
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+ CPU 1: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 2: 0x0a010002 @ 8 / 0x0a010002 @ 8 false
+ CPU 3: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+=== End of Ready Set of Threads
+==> 28:
+==> 29: task_set_affinity smp4 0x09
+Task (0x0a010004) Set affinity=0x00000009
+==> 30: # GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+==> 31: # GOAL: on CPUs 3-0 respectively
+==> 32: # PRI: 6 5 8 7
+==> 33: cpus smp4 smp3 smp2 smp1
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+ CPU 1: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 2: 0x0a010002 @ 8 / 0x0a010002 @ 8 false
+ CPU 3: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+=== End of Ready Set of Threads
+==> 34:
+==> 35: task_set_affinity smp1 0x0c
+Task (0x0a010001) Set affinity=0x0000000c
+==> 36: # GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+==> 37: # GOAL: on CPUs 3-0 respectively
+==> 38: # PRI: 6 5 8 7
+==> 39: cpus smp4 smp3 smp2 smp1
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+ CPU 1: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 2: 0x0a010002 @ 8 / 0x0a010002 @ 8 false
+ CPU 3: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+=== End of Ready Set of Threads
+==> 40:
+==> 41: task_priority smp5 4
+ CPU 0: Thread Heir 0x0a010003 priority=5
+ CPU 0: Thread Executing 0x0a010003 priority=5
+ CPU 1: Thread Heir 0x0a010005 priority=4
+ CPU 1: Thread Executing 0x0a010005 priority=4
+ CPU 2: Thread Heir 0x0a010001 priority=7
+ CPU 2: Thread Executing 0x0a010001 priority=7
+ CPU 3: Thread Heir 0x0a010004 priority=6
+ CPU 3: Thread Executing 0x0a010004 priority=6
+Task (0x0a010005) Change Priority from 9 to 4
+==> 42:
+==> 43: # GOAL: want 0x0a010005, 0x0a010003, 0x0a010004, 0x0a010001
+==> 44: # GOAL: to be heir AND executing on CPU 0-3 respectively
+==> 45: # PRI: 5 5 6 7
+==> 46: cpus smp3 smp5 smp1 smp4
+=== CPU Status
+ EXECUTING / HEIR / SWITCH NEEDED
+ CPU 0: 0x0a010003 @ 5 / 0x0a010003 @ 5 false
+ CPU 1: 0x0a010005 @ 4 / 0x0a010005 @ 4 false
+ CPU 2: 0x0a010001 @ 7 / 0x0a010001 @ 7 false
+ CPU 3: 0x0a010004 @ 6 / 0x0a010004 @ 6 false
+=== End of Ready Set of Threads
+==> 47:
diff --git a/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.scen b/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.scen
new file mode 100644
index 0000000..9056704
--- /dev/null
+++ b/schedsim/shell/schedsim_smppriority_affinity/scenarios/cpus4_affinity_migrate_case3.scen
@@ -0,0 +1,47 @@
+#
+# Worst case migration triggered by a set prioriity with
+# thread affinity.
+#
+rtems_init 4
+task_create smp1 7
+task_create smp2 8
+task_create smp3 5
+task_create smp4 6
+task_create smp5 9
+
+# GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+# GOAL: on CPUs 3-0 respectively
+cpus smp4 smp3 smp2 smp1
+
+# Tasks are created and distributed across CPUs
+task_set_affinity smp5 0x02
+# GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+# GOAL: on CPUs 3-0 respectively
+# PRI: 6 5 8 7
+cpus smp4 smp3 smp2 smp1
+
+task_set_affinity smp3 0x03
+# GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+# GOAL: on CPUs 3-0 respectively
+# PRI: 6 5 8 7
+cpus smp4 smp3 smp2 smp1
+
+task_set_affinity smp4 0x09
+# GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+# GOAL: on CPUs 3-0 respectively
+# PRI: 6 5 8 7
+cpus smp4 smp3 smp2 smp1
+
+task_set_affinity smp1 0x0c
+# GOAL: want 0x0a010001 - 0x0a010004 as heir and executings
+# GOAL: on CPUs 3-0 respectively
+# PRI: 6 5 8 7
+cpus smp4 smp3 smp2 smp1
+
+task_priority smp5 4
+
+# GOAL: want 0x0a010005, 0x0a010003, 0x0a010004, 0x0a010001
+# GOAL: to be heir AND executing on CPU 0-3 respectively
+# PRI: 5 5 6 7
+cpus smp3 smp5 smp1 smp4
+
More information about the vc
mailing list