1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0 3# description: ftrace - stacktrace filter command 4# requires: set_ftrace_filter 5# flags: instance 6 7echo $FUNCTION_FORK:stacktrace >> set_ftrace_filter 8 9grep -q "$FUNCTION_FORK:stacktrace:unlimited" set_ftrace_filter 10 11(echo "forked"; sleep 1) 12 13grep -q "<stack trace>" trace 14