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|
#!/bin/sh
# PCP QA Test No. 1475
# Exercise the BPF PMDA CO-RE mountsnoop module - install, remove and values.
#
# Copyright (c) 2022 Sohaib Mohamed.
#
seq=`basename $0`
echo "QA output created by $seq"
. ./common.bpf
_pmdabpf_check
_pmdabpf_require_kernel_version 5 0
_pmdabpf_require_libbpf_version 1 0
status=1 # failure is the default!
signal=$PCP_BINADM_DIR/pmsignal
cat <<EOF >$tmp.conf
# Installed by PCP QA test $seq on `date`
[mountsnoop.so]
enabled=true
EOF
_pmdabpf_tryload $tmp.conf
_cleanup()
{
cd $here
_pmdabpf_cleanup
$sudo rm -rf $tmp $tmp.*
}
_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 mountsnoop module
$sudo umount /no/such/dir >>$seq_full 2>&1
echo "=== report metric values for comm ==="
pminfo -dfmtT bpf.mountsnoop.comm 2>&1 | tee -a $seq_full \
| _value_filter_exact '"umount"'
echo "=== report metric values for pid ==="
pminfo -dfmtT bpf.mountsnoop.pid 2>&1 | tee -a $seq_full \
| _value_filter_nonzero
echo "=== report metric values for tid ==="
pminfo -dfmtT bpf.mountsnoop.tid 2>&1 | tee -a $seq_full \
| _value_filter_nonzero
echo "=== report metric values for mnt_ns ==="
pminfo -dfmtT bpf.mountsnoop.mnt_ns 2>&1 | tee -a $seq_full \
| _value_filter_nonzero
echo "=== report metric values for call ==="
pminfo -dfmtT bpf.mountsnoop.call 2>&1 | tee -a $seq_full \
| _value_filter_exact '"umount("/no/such/dir", 0x0.* = -ENOENT"'
_pmdabpf_remove
status=0
exit
|
