Rick Jones skrev 2012-12-13 02:57:
It would seem that at least one NIC has the ability to allow one to
schedule the time at which a packet will be transmitted. This is
called launch time support. Someone in Linux-land has started
asking about the prospect of enabling support of that in the
Ulf Samuelsson wrote:
In my proposal, I add a new flag to socket.c:sendto.
While the launchtime is proposed to configurable using
Kconfig, this adds a small performance penalty to every
other packet sent over Ethernet.
An alternative would be to extend the kernel with a new
syscall,
How can my local clock have a negative offset when none of the selected peers
have a negative offset? Is it possible?
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On Dec 18, 2012, at 3:42 PM, Mischanko, Edward T wrote:
How can my local clock have a negative offset when none of the selected peers
have a negative offset? Is it possible?
Sure, it's possible. If your clock started off with a large negative offset
and you didn't initially step it at boot
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Null@BlackList.Anitech-Systems.invalid wrote:
Ulf Samuelsson wrote:
In my proposal, I add a new flag to socket.c:sendto.
While the launchtime is proposed to configurable using
Kconfig, this adds a small performance penalty to every
Brian Utterback brian.utterb...@oracle.com wrote:
On 12/13/2012 5:00 AM, Jonatan Walck wrote:
This is going to be very hard to get it to be useful. Looking at
the specs for the card, the timestamp you give is relative to a
clock that is internal to the controller, and is only accurate to
the
Ulf Samuelsson wrote: BlackLists wrote:
Ulf Samuelsson wrote:
In my proposal, I add a new flag to socket.c:sendto.
While the launchtime is proposed to configurable using
Kconfig, this adds a small performance penalty to every
other packet sent over Ethernet.
An alternative would be to
