Messages in this thread | | | Date | Wed, 21 Jan 2009 11:33:30 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH NET-NEXT 11/12] time sync: generic infrastructure to map between time stamps generated by a time counter and system time |
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* Patrick Ohly <patrick.ohly@intel.com> wrote:
> Currently only mapping from time counter to system time is implemented. > The interface could have been made more versatile by not depending on a time counter, > but this wasn't done to avoid writing glue code elsewhere. > > The method implemented here is the one used and analyzed under the name > "assisted PTP" in the LCI PTP paper: > http://www.linuxclustersinstitute.org/conferences/archive/2008/PDF/Ohly_92221.pdf > --- > include/linux/clocksync.h | 85 +++++++++++++++++++ > kernel/time/Makefile | 2 +- > kernel/time/clocksync.c | 196 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 282 insertions(+), 1 deletions(-) > create mode 100644 include/linux/clocksync.h > create mode 100644 kernel/time/clocksync.c
hm, these bits have less than casual impact - i think they need to go via the timer tree.
Ingo
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