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author | Qais Yousef <qais.yousef@arm.com> | 2020-03-02 13:27:19 +0000 |
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committer | Ingo Molnar <mingo@kernel.org> | 2020-03-06 12:57:28 +0100 |
commit | 98ca645f824301bde72e0a51cdc8bdbbea6774a5 (patch) | |
tree | e9777780f3c457a6ef1a703c34ce4859f58de589 /Documentation/dev-tools | |
parent | a1bd02e1f28b1939cac8c64072a0e578c3cbc345 (diff) |
sched/rt: Allow pulling unfitting task
When implemented RT Capacity Awareness; the logic was done such that if
a task was running on a fitting CPU, then it was sticky and we would try
our best to keep it there.
But as Steve suggested, to adhere to the strict priority rules of RT
class; allow pulling an RT task to unfitting CPU to ensure it gets a
chance to run ASAP.
LINK: https://lore.kernel.org/lkml/20200203111451.0d1da58f@oasis.local.home/
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Qais Yousef <qais.yousef@arm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Fixes: 804d402fb6f6 ("sched/rt: Make RT capacity-aware")
Link: https://lkml.kernel.org/r/20200302132721.8353-5-qais.yousef@arm.com
Diffstat (limited to 'Documentation/dev-tools')
0 files changed, 0 insertions, 0 deletions