#!/bin/sh ################################################################################ # # # This script is an example how the cpu idle can be disabled. This might be # # required to debug the CPU. Make sure that the script is executed when the # # kernel console first comes up. # # # # NOTE: The ABI that is used here might change in the future. # # This script is provided as is without any warranty # # # ################################################################################ # Disable low power modes to ensure debug register accessiblity echo 0 > /sys/devices/system/cpu/cpuquiet/tegra_cpuquiet/enable echo 1 > /sys/kernel/debug/cpuidle_t210/fast_cluster_states_enable echo 1 > /sys/kernel/debug/cpuidle_t210/slow_cluster_states_enable # Start the CoreSight clock, e.g. to enable trace components echo 1 > /sys/kernel/debug/clock/csite/state