| #!/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 "char name[]' >> synthetic_events":README |
| |
| fail() { #msg |
| echo $1 |
| exit_fail |
| } |
| |
| echo "Test create synthetic event" |
| |
| echo 'ping_test_latency u64 lat; char filename[]' > synthetic_events |
| if [ ! -d events/synthetic/ping_test_latency ]; then |
| fail "Failed to create ping_test_latency synthetic event" |
| fi |
| |
| echo "Test create histogram for synthetic event using trace action and dynamic strings" |
| echo "Test histogram dynamic string variables,simple expression support and trace action" |
| |
| echo 'hist:key=pid:filenamevar=filename:ts0=common_timestamp.usecs' > events/sched/sched_process_exec/trigger |
| echo 'hist:key=pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_process_exec).ping_test_latency($lat,$filenamevar) if comm == "ping"' > events/sched/sched_process_exit/trigger |
| echo 'hist:keys=filename,lat:sort=filename,lat' > events/synthetic/ping_test_latency/trigger |
| |
| ping $LOCALHOST -c 5 |
| |
| if ! grep -q "ping" events/synthetic/ping_test_latency/hist; then |
| fail "Failed to create dynamic string trace action inter-event histogram" |
| fi |
| |
| exit 0 |
