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score: Fix EDF SMP scheduler

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Fix a special case: block a one-to-one scheduled thread while having a
non-empty affine ready queue on the same processor.
This commit is contained in:
Sebastian Huber
2018-09-03 09:37:35 +02:00
parent 3aad9d9b08
commit e0a9336bf9
2 changed files with 48 additions and 1 deletions
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testsuites/smptests/smpschededf02/init.c
+24
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@@ -156,6 +156,30 @@ static const test_action test_actions[] = {
UNBLOCK( 0, 0, IDLE),
SET_AFFINITY( 1, A(1, 0), 0, IDLE),
UNBLOCK( 1, 1, 0),
/*
* Block a one-to-one thread while having a non-empty affine ready queue on
* the same processor.
*/
RESET,
SET_AFFINITY( 1, A(1, 0), IDLE, IDLE),
SET_AFFINITY( 3, A(1, 0), IDLE, IDLE),
UNBLOCK( 0, 0, IDLE),
UNBLOCK( 1, 1, 0),
UNBLOCK( 2, 1, 0),
UNBLOCK( 3, 1, 0),
BLOCK( 1, 2, 0),
BLOCK( 0, 3, 2),
/*
* Make sure that a one-to-one thread does not get the wrong processor
* allocated after selecting the highest ready thread.
*/
RESET,
SET_AFFINITY( 1, A(1, 0), IDLE, IDLE),
SET_AFFINITY( 2, A(1, 0), IDLE, IDLE),
UNBLOCK( 0, 0, IDLE),
UNBLOCK( 1, 1, 0),
UNBLOCK( 2, 1, 0),
BLOCK( 0, 1, IDLE),
RESET
};