scheduler test: core_test_scn04.1 failed
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Linaro big.LITTLE |
New
|
Undecided
|
Naresh Kamboju |
Bug Description
Fast CPU 3,4 Slow CPU 0,1,2
This starts with a heavy task on big domain without any specific CPU affinity
defined. However the task’s CPU affinity is modified mid way through execution
to little domain CPU forcing a migration to Little domain.
The task gets the CPU immediately.
../../common/
# Set affinity of pid 5309 to cpu 4 3
#load_generator PID=5309 COMMAND=
../../common/
# Set affinity of pid 5309 to cpu 2 1 0 4 3
../../common/
# Set affinity of pid 5309 to cpu 2 1 0
Generated load contains 4 time points.
0 : 45979 -5
800 : 45979 -5
1400 : -1 -5
2147483647 : 0 0
Timer expired 1401 times
#Stop ftrace and store data
#Ran from 2169.91 to 2180.69
Trace events already copied
# TRACE_EVENTS_
#../../
# START STATE discard interval [1221.812763, 1221.820153] size 0.007390 < 3.000000
# START STATE discard interval [1221.821702, 1224.797539] size 2.975837 < 3.000000
# Start state reach at inf
# from start to end -inf must be between 3.000000 and 4.300000
# End state reach at 1224.799501
# End state lasted 3.908510 must be greater than 0.000000
# FAILED start state not found
# Start state big enought (> 3.000000s) found [inf,-inf] = -inf s
# Stop state big enought (> 0.000000s] found [1224.799501,
# ../../common/
# Result: FAILED
#Ran from 2182.75 to 2184.50
FAILED
Changed in linaro-big-little-system: | |
assignee: | nobody → Naresh Kamboju (naresh-kamboju) |
Test case bug: fixed at ARM and expecting a fix patch.