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