README

Build For latest kernel:
	make
For 4.16 and below:
	make VERSION=v1

Module load/remove(4.16 and below):
	insmod tx2_uncore_smmu-v1.ko
	rmmod tx2_uncore_smmu-v1.ko

Module load/remove.
	insmod tx2_uncore_smmu.ko
	rmmod tx2_uncore_smmu.ko

To list events => perf list | grep smmu

smmu 0 to 2 are part of SOCKET 0.
smmu 3 to 5 are part of SOCKET 1.

Use sysfs to know which smmu device is connected to your pci device.

example :
ls /sys/bus/platform/devices/arm-smmu-v3.0.auto/iommu/smmu3.0x0000000402300000/devices/

NOTE:
tx2_uncore_smmu.c is a copy of upstream version.
tx2_uncore_smmu-v1.c is a copy of tx2_uncore_smmu.c with changes to port for
distro kernel versions.

The Changes are,
- Removed hotplug support, since it has header dependency.
- modified thunderx2_uncore_validate_event_group to compile with older kernels.