tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc


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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: ftrace - stacktrace filter command
# requires: set_ftrace_filter
# flags: instance

echo $FUNCTION_FORK:stacktrace >> set_ftrace_filter

grep -q "$FUNCTION_FORK:stacktrace:unlimited" set_ftrace_filter

(echo "forked"; sleep 1)

grep -q "<stack trace>" trace