#!/bin/sh
# PCP QA Test No. 974
# Exercise pmdaproc per-process metric extraction.
#
# Copyright (c) 2015-2016 Red Hat.
#

seq=`basename $0`
echo "QA output created by $seq"

# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check

pminfo proc.nprocs >/dev/null 2>&1 || _notrun "proc PMDA not installed"
[ $PCP_PLATFORM = linux ] || _notrun "Linux proc test, only works with Linux"

status=1	# failure is the default!
$sudo rm -rf $tmp.* $seq.full
trap "cd $here; rm -rf $tmp.*; exit \$status" 0 1 2 3 15

_filter()
{
    cat >$tmp.out
    grep -v 'inst \[' $tmp.out
    sed -n -e 's/inst \[[0-9][0-9]*/inst [N/p' $tmp.out \
    | LC_COLLATE=POSIX sort
}

# real QA test starts here
root=$tmp.root
export PROC_STATSPATH=$root
export PROC_PAGESIZE=4096
export PROC_THREADS=0
export PROC_HERTZ=100
pmda=$PCP_PMDAS_DIR/proc/pmda_proc.so,proc_init

for tgz in $here/linux/procpid-*-root-*.tgz
do
    cd $here
    $sudo rm -fr $root
    mkdir $root || _fail "root in use when processing $tgz"
    cd $root
    tar xzf $tgz
    base=`basename $tgz`

    echo "== Extracting subtrees for later use - $base" | tee -a $seq.full
    trees=`pminfo proc | awk -F. '{ print $2 }' | sort -u | egrep -v nproc`
    echo $trees >> $here/$seq.full

    echo "== Checking namespace and metric numbering - $base"
    pminfo -L -K clear -K add,3,$pmda proc \
    | LC_COLLATE=POSIX sort \
    | tee $tmp.names >> $here/$seq.full

    echo "== Checking metric descriptors and a fetch - $base"
    for tree in $trees
    do
	metric=`grep $tree $tmp.names | head -1`
	echo $metric >> $here/$seq.full
	pminfo -L -K clear -K add,3,$pmda -d -f $metric | _filter
    done

    echo && echo "== done" && echo
done

# success, all done
status=0
exit
