/usr/bin/exynos_fimg2d_perf: invalid option -- '-' usage: /usr/bin/exynos_fimg2d_perf [-ibwh] -i <number of iterations> -b <size of a batch> (default = 3) -w <buffer width> (default = 4096) -h <buffer height> (default = 4096) -M <enable Mathematica styled output>