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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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75fdd658cb
If we failed to find a fitting CPU, in cpupri_find(), we only fallback to the level we found a hit at. But Steve suggested to fallback to a second full scan instead as this could be a better effort. https://lore.kernel.org/lkml/20200304135404.146c56eb@gandalf.local.home/ We trigger the 2nd search unconditionally since the argument about triggering a full search is that the recorded fall back level might have become empty by then. Which means storing any data about what happened would be meaningless and stale. I had a humble try at timing it and it seemed okay for the small 6 CPUs system I was running on https://lore.kernel.org/lkml/20200305124324.42x6ehjxbnjkklnh@e107158-lin.cambridge.arm.com/ On large system this second full scan could be expensive. But there are no users outside capacity awareness for this fitness function at the moment. Heterogeneous systems tend to be small with 8cores in total. Bug: 120440300 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> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Link: https://lkml.kernel.org/r/20200310142219.syxzn5ljpdxqtbgx@e107158-lin.cambridge.arm.com (cherry picked from commit e94f80f6c49020008e6fa0f3d4b806b8595d17d8) Signed-off-by: Qais Yousef <qais.yousef@arm.com> Change-Id: I94a3abf1440f20f57d8fe9ba1bb00e1d05221565 |
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| .. | ||
| autogroup.c | ||
| autogroup.h | ||
| clock.c | ||
| completion.c | ||
| core.c | ||
| cpuacct.c | ||
| cpudeadline.c | ||
| cpudeadline.h | ||
| cpufreq.c | ||
| cpufreq_schedutil.c | ||
| cpupri.c | ||
| cpupri.h | ||
| cputime.c | ||
| deadline.c | ||
| debug.c | ||
| fair.c | ||
| features.h | ||
| idle.c | ||
| isolation.c | ||
| loadavg.c | ||
| Makefile | ||
| membarrier.c | ||
| pelt.c | ||
| pelt.h | ||
| psi.c | ||
| rt.c | ||
| sched-pelt.h | ||
| sched.h | ||
| stats.c | ||
| stats.h | ||
| stop_task.c | ||
| swait.c | ||
| topology.c | ||
| wait.c | ||
| wait_bit.c | ||