Hi Wayne,
Yes, the Xorg is never decreases.
nv@nv-nx:~$ tegrastats
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [25%@1344,1%@1344,0%@1344,0%@1344,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38.5C thermal@38C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [4%@1267,2%@1267,18%@1267,12%@1267,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38.5C thermal@38C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [1%@1420,0%@1420,0%@1420,22%@1420,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@37.5C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [1%@1190,1%@1190,0%@1190,22%@1190,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [9%@1190,1%@1190,1%@1190,17%@1190,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [25%@1190,2%@1190,0%@1190,0%@1190,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [26%@1497,1%@1497,0%@1497,0%@1497,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [26%@1190,2%@1190,3%@1190,0%@1190,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C
RAM 4050/7765MB (lfb 488x4MB) SWAP 0/3883MB (cached 0MB) CPU [4%@1190,1%@1190,0%@1190,20%@1190,off,off] EMC_FREQ 0% GR3D_FREQ 0% AO@38C GPU@37C PMIC@50C AUX@37.5C CPU@38C thermal@37.5C