| 1234567891011121314151617181920212223 |
- #!/bin/sh
- # SPDX-License-Identifier: GPL-2.0
- # description: event trigger - test inter-event histogram trigger trace action with dynamic string param
- # requires: set_event synthetic_events events/sched/sched_process_exec/hist "can be any field, or the special string 'common_stacktrace'":README
- fail() { #msg
- echo $1
- exit_fail
- }
- echo "Test create synthetic event with stack"
- echo 's:wake_lat pid_t pid; u64 delta; unsigned long[] stack;' > dynamic_events
- echo 'hist:keys=next_pid:ts=common_timestamp.usecs,st=common_stacktrace if prev_state == 1||prev_state == 2' >> events/sched/sched_switch/trigger
- echo 'hist:keys=prev_pid:delta=common_timestamp.usecs-$ts,s=$st:onmax($delta).trace(wake_lat,prev_pid,$delta,$s)' >> events/sched/sched_switch/trigger
- echo 1 > events/synthetic/wake_lat/enable
- sleep 1
- if ! grep -q "=>.*sched" trace; then
- fail "Failed to create synthetic event with stack"
- fi
- exit 0
|
