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