diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-02-17 16:35:15 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-03-21 11:09:29 +0800 |
| commit | 2cf897f4c832b7de2717bb74e1711b275dce49df (patch) | |
| tree | be80d87679ff53825c12532605a41f1470d1e3c8 /mm | |
| parent | b562e44f507e863c6792946e4e1b1449fbbac85d (diff) | |
sched: use the idle cpu in interruptingidle-steal-from-int
Use the interrupting idle cpu instead of the shallowest one could
save cpu power. After send a task to the idle cpu, the cpu isn't
idle, so after the irq, it won't enter into cpu idle again, instead
the cpu exit from cpu idle and try to wakeup task in the rq.
But need to measure the latency change, since the shallowest idle
cpu's wakeup time could compete with interrupt job.
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions