1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#!/bin/sh
# PCP QA Test No. 1931
# Exercise the BPF PMDA CO-RE execsnoop module - install, remove and values.
#
# Copyright (c) 2022 Sohaib Mohamed.
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.bpf
_pmdabpf_check
_pmdabpf_require_kernel_version 5 0
_pmdabpf_require_libbpf_version 0 7
status=1 # failure is the default!
signal=$PCP_BINADM_DIR/pmsignal
cat <<EOF >$tmp.conf
# Installed by PCP QA test $seq on `date`
[execsnoop.so]
enabled=true
command = echo
EOF
_pmdabpf_tryload $tmp.conf
_non_filter()
{
grep '"0"' > /dev/null && echo -n 'OK'
}
_cleanup()
{
cd $here
_pmdabpf_cleanup
$sudo rm -rf $tmp $tmp.*
$sudo rm -rf /tmp/qa_execsnoop
}
_prepare_pmda bpf
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
_pmdabpf_install $tmp.conf
_pmdabpf_wait_for_metric
# Generate system activity for the CO-RE execsnoop module
/bin/echo hello world
/bin/echo hello PCP
/bin/echo hello test
/bin/echo "zzzzzzzzzzz" > /dev/null &
/bin/touch /tmp/qa_execsnoop
/bin/ls /tmp/qa_execsnoop
echo "=== report metric values for comm ==="
pminfo -dfmtT bpf.execsnoop.comm 2>&1 | tee -a $seq_full \
| _value_filter_exact '"echo"'
echo "=== report metric values for pid ==="
pminfo -dfmtT bpf.execsnoop.pid 2>&1 | tee -a $seq_full \
| _value_filter_nonzero
echo "=== report metric values for ppid ==="
pminfo -dfmtT bpf.execsnoop.ppid 2>&1 | tee -a $seq_full \
| _value_filter_any
echo "=== report metric values for ret ==="
pminfo -dfmtT bpf.execsnoop.ret 2>&1 | tee -a $seq_full \
| _value_filter_exact 0
echo "=== report metric values for args ==="
pminfo -dfmtT bpf.execsnoop.args 2>&1 | tee -a $seq_full \
| _value_filter_exact '"/bin/echo hello PCP"'
echo "=== catch background task ==="
pminfo -dfmtT bpf.execsnoop.args 2>&1 | tee -a $seq_full \
| _value_filter_exact '"/bin/echo zzzzzzzzzzz"'
echo "=== report non-filter value ==="
pminfo -dfmtT bpf.execsnoop.args 2>&1 | tee -a $seq_full \
| _value_filter_exact '"/tmp/qa_execsnoop"'
_pmdabpf_remove
status=0
exit
|
