#!/usr/bin/env bash set -e cd /sys/kernel/debug/tracing echo "" > trace echo 1 > tracing_on echo 1 > /sys/kernel/debug/tracing/events/msm_vidc/enable echo 0xff > /sys/module/videobuf2_core/parameters/debug echo 0x7fffffff > /sys/kernel/debug/msm_vidc/debug_level echo 0xff > /sys/devices/platform/soc/aa00000.qcom,vidc/video4linux/video33/dev_debug cat /sys/kernel/debug/tracing/trace_pipe