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#!/bin/sh
# PCP QA Test No. 972
# Exercise the zswap compressed swap PMDA using dbpmda.
#
# Copyright (c) 2014 Red Hat.
#
seq=`basename $0`
echo "QA output created by $seq"
# get standard environment, filters and checks
. ./common.product
. ./common.filter
. ./common.check
pmda_path="$PCP_PMDAS_DIR/zswap"
pmda_script="$pmda_path/pmdazswap.python"
test -f "$pmda_script" || _notrun "pmdazswap not supported"
python -c "from pcp import pmda" >/dev/null 2>&1
[ $? -eq 0 ] || _notrun "python pcp pmda module not installed"
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()
{
tee -a $seq.full | \
sed \
-e "s;$PCP_PMDAS_DIR;\$PCP_PMDAS_DIR;" \
-e '/pmResult/s/ .* numpmid/ ... numpmid/' \
-e '/[0-9][0-9]:[0-9][0-9]:[0-9][0-9]/s/[^ ]*/TIMESTAMP/' \
test -f zswap.log && cat zswap.log >> $seq.full
}
_setup_zswap_values()
{
mkdir -p $ZSWAP_STATS_PATH || exit
cd $ZSWAP_STATS_PATH
echo 309 > duplicate_entry
echo 1 > pool_limit_hit
echo 2000 > pool_pages
echo 32 > reject_alloc_fail
echo 11 > reject_compress_poor
echo 198 > reject_kmemcache_fail
echo 2 > reject_reclaim_fail
echo 89123 > stored_pages
echo 12435 > written_back_pages
}
domain=125
export ZSWAP_PAGESIZE=4096
export ZSWAP_STATS_PATH="$tmp.zswap"
# real QA test starts here
_setup_zswap_values
PCP_PYTHON_PMNS=root python "$pmda_script" > $tmp.root
echo "== Testing zswap metrics" | tee -a $seq.full
$sudo dbpmda -n $tmp.root -ie <<End-of-File 2>&1 | _filter
open pipe /usr/bin/python $pmda_script
getdesc on
desc zswap.pool_limit_hit
desc zswap.reject_reclaim_fail
desc zswap.reject_alloc_fail
desc zswap.reject_kmemcache_fail
desc zswap.reject_compress_poor
desc zswap.written_back_pages
desc zswap.duplicate_entry
desc zswap.pool_pages
desc zswap.stored_pages
fetch zswap.pool_limit_hit
fetch zswap.reject_reclaim_fail
fetch zswap.reject_alloc_fail
fetch zswap.reject_kmemcache_fail
fetch zswap.reject_compress_poor
fetch zswap.written_back_pages
fetch zswap.duplicate_entry
fetch zswap.pool_pages
fetch zswap.stored_pages
End-of-File
status=0
exit
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