#!/bin/sh
# PCP QA Test No. 1795
# Exercise the BPF PMDA CO-RE vfsstat 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`
[vfsstat.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

# Wait for values to appear
pmsleep 2

# Generate system activity for the CO-RE vfsstat module

echo "=== report metric values for create ==="
pminfo -dfmtT bpf.vfsstat.create 2>&1 | tee -a $seq_full \
| _value_filter_any

echo "=== report metric values for read ==="
pminfo -dfmtT bpf.vfsstat.read 2>&1 | tee -a $seq_full \
| _value_filter_any

echo "=== report metric values for write ==="
pminfo -dfmtT bpf.vfsstat.write 2>&1 | tee -a $seq_full \
| _value_filter_any

echo "=== report metric values for fsync ==="
pminfo -dfmtT bpf.vfsstat.fsync 2>&1 | tee -a $seq_full \
| _value_filter_any

echo "=== report metric values for open ==="
pminfo -dfmtT bpf.vfsstat.open 2>&1 | tee -a $seq_full \
| _value_filter_any


_pmdabpf_remove

status=0
exit

