On 30.07.2024 15:40, Tariq Toukan wrote: > From: Rahul Rameshbabu <rrameshbabu@xxxxxxxxxx> > > Expose Precision Time Measurement support through related PTP ioctl. > > The performance of PTM on ConnectX-7 was evaluated using both real-time > (RTC) and free-running (FRC) clocks under traffic and no traffic > conditions. Tests with phc2sys measured the maximum offset values at a 50Hz > rate, with and without PTM. > > Results: > > 1. No traffic > +-----+--------+--------+ > | | No-PTM | PTM | > +-----+--------+--------+ > | FRC | 125 ns | <29 ns | > +-----+--------+--------+ > | RTC | 248 ns | <34 ns | > +-----+--------+--------+ > > 2. With traffic > +-----+--------+--------+ > | | No-PTM | PTM | > +-----+--------+--------+ > | FRC | 254 ns | <40 ns | > +-----+--------+--------+ > | RTC | 255 ns | <45 ns | > +-----+--------+--------+ > > Signed-off-by: Rahul Rameshbabu <rrameshbabu@xxxxxxxxxx> > Co-developed-by: Carolina Jubran <cjubran@xxxxxxxxxx> > Signed-off-by: Carolina Jubran <cjubran@xxxxxxxxxx> > Signed-off-by: Tariq Toukan <tariqt@xxxxxxxxxx> > --- Reviewed-by: Wojciech Drewek <wojciech.drewek@xxxxxxxxx> <...>
