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1#!/bin/sh2# SPDX-License-Identifier: GPL-2.03# description: event trigger - test inter-event histogram trigger trace action with dynamic string param (legacy stack)4# requires: set_event synthetic_events events/sched/sched_process_exec/hist "long[] stack' >> synthetic_events":README5 6fail() { #msg7 echo $18 exit_fail9}10 11echo "Test create synthetic event with stack"12 13# Test the old stacktrace keyword (for backward compatibility)14echo 's:wake_lat pid_t pid; u64 delta; unsigned long[] stack;' > dynamic_events15echo 'hist:keys=next_pid:ts=common_timestamp.usecs,st=stacktrace if prev_state == 1||prev_state == 2' >> events/sched/sched_switch/trigger16echo 'hist:keys=prev_pid:delta=common_timestamp.usecs-$ts,s=$st:onmax($delta).trace(wake_lat,prev_pid,$delta,$s)' >> events/sched/sched_switch/trigger17echo 1 > events/synthetic/wake_lat/enable18sleep 119 20if ! grep -q "=>.*sched" trace; then21 fail "Failed to create synthetic event with stack"22fi23 24exit 025