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* john stultz <johnstul@us.ibm.com> wrote: > Summary: > This patchset provides a generic timekeeping subsystem that is > independent of the timer interrupt. This allows for robust and correct > behavior in cases of late or lost ticks, avoids interpolation errors, > reduces duplication in arch specific code, and allows or assists > future changes such as high-res timers, dynamic ticks, or realtime > preemption. Additionally, it provides finer nanosecond resolution > values to the clock_gettime functions. > > Why do we need this? i'd like to add the following to the list of reasons as well: the current -hrt patch-queue (high resolution timers, which enables true microsecond-level resolution for POSIX timers and nanosleep()), which is working pretty well in the -rt tree and implements an important feature for Linux, is based on the generic timekeeping subsystem as well. Ingo - 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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