tee-stats is a statistics reporting tool for OP-TEE. It is the client side of the static Trusted Application core/arch/arm/sta/stats.c (which may be enabled by setting CFG_WITH_STATS=y when building OP-TEE).

Currently, it can report information about the TEE kernel heap and optionally clear the max_alloc value. Other statistics exported by stats.c may be added later. Example:

$ tee-stats -c
HEAP: cur_alloc 4864 max_alloc 22704 heap_size 106544
$ tee-stats
HEAP: cur_alloc 4784 max_alloc 4784 heap_size 106544