1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: trace_marker trigger - test histogram with synthetic event against kernel event
4# flags:
5
6do_reset() {
7    reset_trigger
8    echo > set_event
9    echo > synthetic_events
10    clear_trace
11}
12
13fail() { #msg
14    do_reset
15    echo $1
16    exit_fail
17}
18
19if [ ! -f set_event ]; then
20    echo "event tracing is not supported"
21    exit_unsupported
22fi
23
24if [ ! -f synthetic_events ]; then
25    echo "synthetic events not supported"
26    exit_unsupported
27fi
28
29if [ ! -d events/ftrace/print ]; then
30    echo "event trace_marker is not supported"
31    exit_unsupported
32fi
33
34if [ ! -d events/sched/sched_waking ]; then
35    echo "event sched_waking is not supported"
36    exit_unsupported
37fi
38
39if [ ! -f events/ftrace/print/trigger ]; then
40    echo "event trigger is not supported"
41    exit_unsupported
42fi
43
44if [ ! -f events/ftrace/print/hist ]; then
45    echo "hist trigger is not supported"
46    exit_unsupported
47fi
48
49do_reset
50
51echo "Test histogram kernel event to trace_marker latency histogram trigger"
52
53echo 'latency u64 lat' > synthetic_events
54echo 'hist:keys=pid:ts0=common_timestamp.usecs' > events/sched/sched_waking/trigger
55echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).latency($lat)' > events/ftrace/print/trigger
56echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger
57sleep 1
58echo "hello" > trace_marker
59
60grep 'hitcount: *1$' events/ftrace/print/hist > /dev/null || \
61    fail "hist trigger did not trigger correct times on trace_marker"
62
63grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
64    fail "hist trigger did not trigger "
65
66do_reset
67
68exit 0
69