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android/tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc
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threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test event enable/disable trigger
# flags: instance
do_reset() {
reset_trigger
echo > set_event
clear_trace
}
fail() { #msg
do_reset
echo $1
exit $FAIL
}
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f events/sched/sched_process_fork/trigger ]; then
echo "event trigger is not supported"
exit_unsupported
fi
reset_tracer
do_reset
FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "event enable/disable trigger is not supported"
exit_unsupported
fi
echo "Test enable_event trigger"
echo 0 > events/sched/sched_switch/enable
echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
( echo "forked")
if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
fail "enable_event trigger on sched_process_fork did not work"
fi
reset_trigger
echo "Test disable_event trigger"
echo 1 > events/sched/sched_switch/enable
echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
( echo "forked")
if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
fail "disable_event trigger on sched_process_fork did not work"
fi
reset_trigger
echo "Test semantic error for event enable/disable trigger"
! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
do_reset
exit 0