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
|
#!/bin/sh
# PCP QA Test No. 1117
# Exercise the BPF PMDA biolatency module - install, remove and values.
#
# Copyright (c) 2018 Andreas Gerstmayr.
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.bpf
_pmdabpf_check
_pmdabpf_require_kernel_version 5 0
status=1 # failure is the default!
signal=$PCP_BINADM_DIR/pmsignal
cat <<EOF >$tmp.conf
# Installed by PCP QA test $seq on `date`
[biolatency.so]
enabled=true
EOF
_pmdabpf_tryload $tmp.conf
write_size=`expr 20 \* 1024 \* 1024` # number of bytes to write into testfile
out_file="$PCP_TMPFILE_DIR/pcp-qa-$seq" # block device required here (no tmpfs)
_label_filter()
{
grep '"0-1"' | grep '"statistic":"histogram"' | grep '"lower_bound":0' | grep 'upper_bound":1' > /dev/null && echo 'OK'
}
_cleanup()
{
cd $here
_pmdabpf_cleanup
$sudo rm -rf $tmp $tmp.* "$out_file"
}
_prepare_pmda bpf
trap "_cleanup; exit \$status" 0 1 2 3 15
_stop_auto_restart pmcd
# real QA test starts here
_pmdabpf_install $tmp.conf
_pmdabpf_wait_for_metric
# Generate system activity for the BPF biolatency module
dd if=/dev/zero of=${out_file} bs=${write_size} count=1 oflag=direct 2>$seq_full
echo "=== report metric values ==="
pminfo -dfmtT bpf.disk.all.latency 2>&1 | tee -a $seq_full \
| _instances_filter_nonzero
echo "=== check metric labels ==="
pminfo -l bpf.disk.all.latency 2>&1 | tee -a $seq_full \
| _label_filter
_pmdabpf_remove
status=0
exit
|
