1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: trace_marker trigger - test histogram with synthetic event
4# flags:
5
6fail() { #msg
7    echo $1
8    exit_fail
9}
10
11if [ ! -f set_event ]; then
12    echo "event tracing is not supported"
13    exit_unsupported
14fi
15
16if [ ! -f synthetic_events ]; then
17    echo "synthetic events not supported"
18    exit_unsupported
19fi
20
21if [ ! -d events/ftrace/print ]; then
22    echo "event trace_marker is not supported"
23    exit_unsupported
24fi
25
26if [ ! -f events/ftrace/print/trigger ]; then
27    echo "event trigger is not supported"
28    exit_unsupported
29fi
30
31if [ ! -f events/ftrace/print/hist ]; then
32    echo "hist trigger is not supported"
33    exit_unsupported
34fi
35
36echo "Test histogram trace_marker to trace_marker latency histogram trigger"
37
38echo 'latency u64 lat' > synthetic_events
39echo 'hist:keys=common_pid:ts0=common_timestamp.usecs if buf == "start"' > events/ftrace/print/trigger
40echo 'hist:keys=common_pid:lat=common_timestamp.usecs-$ts0:onmatch(ftrace.print).latency($lat) if buf == "end"' >> events/ftrace/print/trigger
41echo 'hist:keys=common_pid,lat:sort=lat' > events/synthetic/latency/trigger
42echo -n "start" > trace_marker
43echo -n "end" > trace_marker
44
45cnt=`grep 'hitcount: *1$' events/ftrace/print/hist | wc -l`
46
47if [ $cnt -ne 2 ]; then
48    fail "hist trace_marker trigger did not trigger correctly"
49fi
50
51grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
52    fail "hist trigger did not trigger "
53
54exit 0
55