1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: trace_marker trigger - test snapshot trigger
4# flags: instance
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 snapshot ]; then
17    echo "snapshot is 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
31test_trace() {
32    file=$1
33    x=$2
34
35    cat $file | while read line; do
36	comment=`echo $line | sed -e 's/^#//'`
37	if [ "$line" != "$comment" ]; then
38	    continue
39	fi
40	echo "testing $line for >$x<"
41	match=`echo $line | sed -e "s/>$x<//"`
42	if [ "$line" = "$match" ]; then
43	    fail "$line does not have >$x< in it"
44	fi
45	x=$((x+2))
46    done
47}
48
49echo "Test snapshot trace_marker tigger"
50
51echo 'snapshot' > events/ftrace/print/trigger
52
53# make sure the snapshot is allocated
54
55grep -q 'Snapshot is allocated' snapshot
56
57for i in `seq 1 10` ; do echo "hello >$i<" > trace_marker; done
58
59test_trace trace 1
60test_trace snapshot 2
61
62exit 0
63