| #!/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 |
