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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
#!/bin/sh
# PCP QA Test No. 1178
# Exercise the BCC PMDA tcpperpid module - install, remove and values.
#
# Copyright (c) 2018 Red Hat.
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.bcc
_pmdabcc_check
which curl >/dev/null 2>&1 || _notrun "No curl binary installed"
[ "$(pmpython src/bcc_version_check.python)" = "0.6.1" ] \
&& _notrun "Broken BCC version detected"
case "`uname -srm`"
in
Linux\ 5.2.*)
_notrun "Bad Linux 5.2 kernel headers will cause BPF to fail"
;;
esac
target_ip=1.1.1.1
status=1 # failure is the default!
signal=$PCP_BINADM_DIR/pmsignal
# Some combinations of distro and kernel are known to be "bad"
# for some BPF modules
#
kernel=`uname -r`
echo "$kernel" >>$seq_full
case `admin/whatami`
in
*Fedora\ 32\ *)
_notrun "bcc tcpperpid module will not compile on Fedora 32"
;;
*Ubuntu\ 19.10\ *)
_notrun "bcc tcpperpid module will not compile on Ubuntu 19.10"
;;
*Ubuntu\ 20.04\ *)
# works on 5.4 kernel, not on 5.8.0-1033-azure
#
case "$kernel"
in
5.8.0-*-azure)
_notrun "bcc tcpperpid module will not compile on Ubuntu kernel $kernel"
;;
esac
;;
*openSUSE\ Leap\ 15.1\ *)
_notrun "bcc tcpperpid module will not compile on openSUSE 15.1"
;;
esac
_install_filter()
{
sed \
-e "s/Using BPF source file .\+/Using BPF source file X/g" \
#end
}
cat <<EOF >$tmp.conf
# Installed by PCP QA test $seq on `date`
[pmda]
modules = tcpperpid
prefix = bcc.
[tcpperpid]
module = tcpperpid
cluster = 11
dport = 80
EOF
_pmdabcc_try_compile $tmp.conf
_prepare_pmda bcc
trap "_pmdabcc_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
_pmdabcc_install <$tmp.conf | _install_filter
_pmdabcc_wait_for_metric
# Generate system activity for the BCC tcpperpid module
curl -s http://${target_ip} > /dev/null &
curlpid=$!
pmsleep 3
echo "=== report metric values ==="
pminfo -dfmtT bcc.proc.io.net.total.rx 2>&1 | grep $curl_pid\" | tee -a $seq_full \
| _value_filter_nonzero >$tmp.1
if grep OK <$tmp.1 >/dev/null
then
cat $tmp.1
else
# Twice as the old kprobe based BPF seems to provide
# results occasionally with some delay.
# Safe to remove when no kernel < 4.16 / bcc < 0.6 in use anywhere
pmsleep 2
pminfo -dfmtT bcc.proc.io.net.total.rx 2>&1 | grep $curl_pid\" | tee -a $seq_full \
| _value_filter_nonzero >$tmp.2
if grep OK <$tmp.2 >/dev/null
then
cat $tmp.2
else
cat $tmp.1
cat $tmp.2
fi
fi
_pmdabcc_remove
status=0
exit
|
