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Groups > linux.kernel > #1208146 > unrolled thread
| Started by | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| First post | 2015-08-15 22:00 +0200 |
| Last post | 2015-08-17 20:00 +0200 |
| Articles | 3 — 3 participants |
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Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests Peter Zijlstra <peterz@infradead.org> - 2015-08-15 22:00 +0200
Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests Michael Turquette <mturquette@baylibre.com> - 2015-08-16 06:00 +0200
Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-08-17 20:00 +0200
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Date | 2015-08-15 22:00 +0200 |
| Subject | Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests |
| Message-ID | <pXPMv-2Vm-41@gated-at.bofh.it> |
So this OPP thing, I think that got mentioned once earlier in this patch set, wth is that? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Michael Turquette <mturquette@baylibre.com> |
|---|---|
| Date | 2015-08-16 06:00 +0200 |
| Subject | Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests |
| Message-ID | <pXXgZ-5fc-1@gated-at.bofh.it> |
| In reply to | #1208146 |
Quoting Peter Zijlstra (2015-08-15 05:48:17) > > > So this OPP thing, I think that got mentioned once earlier in this patch > set, wth is that? OPP == OPerating Point == P-state In System-on-chip Land OPP is a very common term, roughly defined as a frequency & voltage pair that makes up a performance state. In other words, OPP is the P-state of the non-ACPI world. Similarly DVFS is sometimes confused as a brand new file system, but it is also a very standardized acronym amongst SoC vendors meaning frequency and voltage scaling. Regards, Mike > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | "Rafael J. Wysocki" <rjw@rjwysocki.net> |
|---|---|
| Date | 2015-08-17 20:00 +0200 |
| Subject | Re: [RFCv5 PATCH 41/46] sched/fair: add triggers for OPP change requests |
| Message-ID | <pYwRt-654-19@gated-at.bofh.it> |
| In reply to | #1208146 |
On Saturday, August 15, 2015 02:48:17 PM Peter Zijlstra wrote: > > So this OPP thing, I think that got mentioned once earlier in this patch > set, wth is that? OPP stands for Operating Performance Points. It is a library for representing working clock-voltage combinations. Described in Documentation/power/opp.txt (but may be outdated as there's some work on it going on). CC Viresh who's working on it right now. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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