PCI Express Precision Time Measurement support

modulename: ptm.ko

configname: CONFIG_PCIE_PTM

Linux Kernel Configuration
└─>Device Drivers
└─>PCI support
└─>PCI Express Precision Time Measurement support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
This enables PCI Express Precision Time Measurement (PTM)
support.

This is only useful if you have devices that support PTM, but it
is safe to enable even if you don't.

source code:
depends
CONFIG_PCI