Extend smoke tests set
Signed-off-by: Michal Mielewczyk <michal.mielewczyk@intel.com>
This commit is contained in:
Michal Mielewczyk
330
test/smoke_test/eviction_policy/03
Executable file
330
test/smoke_test/eviction_policy/03
Executable file
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#!/bin/bash
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#
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# Copyright(c) 2012-2019 Intel Corporation
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# SPDX-License-Identifier: BSD-3-Clause-Clear
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#
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# The line below specified that line under it should be used as the test's short description when launching test via run_tests script.
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# The text should not be longer than 80 chars - if it is, the script will strip addititonal characters
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# DESCRIPTION Eviction Policy - LRU, WB
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# USE_IN_NIGHTLY
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# Standard beginning for every test - get the main tests directory and
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# link the cas_lib file for CAS API, then use "start_test $*" to pass params
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# and do other necessary checks and setup.
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TESTS_DIR="$(dirname $0)/../"
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. $TESTS_DIR/cas_lib
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start_test $*
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CACHE_DEVICE_SIZE=350M
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CORE_DEVICE_SIZE=350M
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TEST_DEVICE=${DEVICE_NAME}1-1
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MD5_SUM=
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BLOCK_SIZE="128k"
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#param1 - YES - WB mode, NO - WT mode
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eviction_policy_init() {
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local L_WB=$1
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# Use CACHE_DEVICE and CORE_DEVICE provided by configuration file and remove partitions from those devices
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TARGET_DEVICE_OPTION="$CACHE_DEVICE" remove_partitions
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TARGET_DEVICE_OPTION="$CORE_DEVICE" remove_partitions
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# Create 1 primary partitions on CACHE_DEVICE
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TARGET_DEVICE_OPTION="$CACHE_DEVICE" PARTITION_SIZE_OPTION=$CACHE_DEVICE_SIZE PARTITION_IDS_OPTION="1" make_primary_partitions
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# Make empty cache device, clear previous content, clear previous metadata
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dd if=/dev/zero of="${CACHE_DEVICE}1" bs="4k" count=$CACHE_DEVICE_SIZE &>/dev/null
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# Create 1 primary partitions on CORE_DEVICE
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TARGET_DEVICE_OPTION="$CORE_DEVICE" PARTITION_SIZE_OPTION=$CORE_DEVICE_SIZE PARTITION_IDS_OPTION="1" make_primary_partitions
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# Set WB mode
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if [ "YES" == "$L_WB" ]
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then
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CACHE_MODE_OPTION="wb"
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test_log_trace "Cache mode is WB"
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else
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CACHE_MODE_OPTION="wt"
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test_log_trace "Cache mode is WT"
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fi
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# Start cache on CACHE_DEVICE1
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CACHE_ID_OPTION="1" CACHE_DEVICE_OPTION="${CACHE_DEVICE}1" start_cache
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# Add a core device using CORE_DEVICE1
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CACHE_ID_OPTION="1" CORE_DEVICE_OPTION="${CORE_DEVICE}1" add_core
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}
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eviction_policy_flush() {
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CACHE_ID_OPTION="1" flush_cache
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}
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eviction_policy_deinit() {
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sleep 1
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# Remove the core device from cache
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CACHE_ID_OPTION="1" CORE_ID_OPTION="1" remove_core
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# Clean up after the test
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CACHE_ID_OPTION="1" stop_cache
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test_log_stop
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}
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# Get IO state in bytes
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#param1 - Device to be stated
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eviction_policy_iostat () {
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local SIZE_DEVICE
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local SIZE_WR
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local SIZE_RD
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local SIZE
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if [[ $1 =~ ^/dev/(.*)$ ]] ; then
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SIZE_DEVICE=${BASH_REMATCH[1]}
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else
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test_log_trace "Internal test ERROR ($LINENO)"
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return 1
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fi
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sync
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SIZE_WR=$(iostat -p | grep $SIZE_DEVICE | awk '{ print $6}')
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let SIZE_WR=$SIZE_WR*512
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SIZE_RD=$(iostat -p | grep $SIZE_DEVICE | awk '{ print $5}')
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let SIZE_RD=$SIZE_RD*512
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let SIZE=$SIZE_RD+$SIZE_WR
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echo $SIZE
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}
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# param1 - Device
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# param2 - Seek in bytes
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# param3 - Size in bytes
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eviction_policy_write () {
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local PATTERN=/tmp/cas.pattern
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local L_DEVICE=$1
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local SEEK=$(get_bytes $2)
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SEEK=$(get_pages $SEEK "${BLOCK_SIZE}")
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local SIZE=$(get_bytes $3)
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SIZE=$(get_pages $SIZE "${BLOCK_SIZE}")
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test_log_trace "Write to the device $L_DEVICE, size is $SIZE, seek is $SEEK"
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rm -f $PATTERN
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#
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# Create pattern file
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#
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dd if=/dev/urandom of=$PATTERN bs="${BLOCK_SIZE}" count=$SIZE &>/dev/null
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#
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# Check dd result
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#
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if [ $? != 0 ]
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then
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test_log_trace "Can not create pattern file"
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return 1
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fi
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#
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# Calculte MD5 sum of pattern file
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#
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MD5_SUM=$(md5sum -b $PATTERN | awk '{ print $1 }')
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test_log_trace "MD5 sum $PATTERN of is $MD5_SUM"
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local T_START=$(date '+%s')
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#
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# Copy pattern file into test device
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#
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warmup ${PATTERN} ${L_DEVICE} ${BLOCK_SIZE} $SIZE $SEEK 0
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#
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# Check dd result
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#
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if [ $? != 0 ]
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then
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test_log_trace "Write ERROR, at offset $OFFSET, size is $BLOCK_SIZE, device size is $DEVICE_SIZE"
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return 1
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fi
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local T_STOP=$(date '+%s')
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let T_DURATION=${T_STOP}-${T_START}
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test_log_trace "Write duration is $T_DURATION"
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echo $MD5_SUM
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return 0
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}
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# param1 - Device
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# param2 - Skip in bytes
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# param3 - Size in bytes
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eviction_policy_read () {
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local PATTERN=/tmp/cas.pattern
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local DEVICE=$1
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local SKIP=$(get_bytes $2)
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SKIP=$(get_pages $SKIP "${BLOCK_SIZE}")
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local SIZE=$(get_bytes $3)
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SIZE=$(get_pages $SIZE "${BLOCK_SIZE}")
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test_log_trace "Read from the device $DEVICE, size is $SIZE, skip is $SKIP"
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rm -f $PATTERN
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local T_START=$(date '+%s')
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#
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# Read data from test device to the pattern file
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#
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warmup $DEVICE $PATTERN $BLOCK_SIZE $SIZE 0 $SKIP
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#
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# Check dd result
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#
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if [ $? != 0 ]
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then
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test_log_trace "Can not read from test device"
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return 1
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fi
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local T_STOP=$(date '+%s')
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let T_DURATION=${T_STOP}-${T_START}
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test_log_trace "Read duration is $T_DURATION"
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#
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# Calculte MD5 sum of pattern file
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#
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MD5_SUM=$(md5sum -b $PATTERN | awk '{ print $1 }')
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test_log_trace "MD5 sum of is $MD5_SUM"
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echo $MD5_SUM
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return 0
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}
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#
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# MAIN TEST
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#
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# param1 - Device for test
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# param2 - Core device
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# param3 - Device size [bytes]
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eviction_policy_test () {
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local DEVICE=$1
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local CORE=$2
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local SIZE=$3
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local SIZE_BEFORE
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local SIZE_AFTER
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local SIZE_HALF
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local MD5_SUM_WR_1
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local MD5_SUM_WR_2
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let SIZE_HALF=$SIZE/2
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#
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# Get IO State Before
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#
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SIZE_BEFORE=$(eviction_policy_iostat $CORE)
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#
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# Write first half of device
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#
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MD5_SUM_WR_1=$(eviction_policy_write $DEVICE "0" $SIZE_HALF)
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if [ $? != 0 ]
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then
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test_log_trace "Can not write first half of test device"
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eviction_policy_deinit
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return 1
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fi
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#
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# Write second half of device
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#
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MD5_SUM_WR_2=$(eviction_policy_write $DEVICE $SIZE_HALF $SIZE_HALF)
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if [ $? != 0 ]
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then
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test_log_trace "Can not write first half of test device"
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eviction_policy_deinit
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return 1
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fi
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#
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# Get IO State Before
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#
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SIZE_BEFORE=$(eviction_policy_iostat $CORE)
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#
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# Read second half of device
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#
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MD5_SUM_RD_2=$(eviction_policy_read $DEVICE $SIZE_HALF $SIZE_HALF)
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if [ $? != 0 ]
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then
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test_log_trace "Can not write first half of test device"
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eviction_policy_deinit
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return 1
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fi
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#
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# Get IO State Before
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#
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SIZE_AFTER=$(eviction_policy_iostat $CORE)
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#
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# Read first half of device
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#
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MD5_SUM_RD_1=$(eviction_policy_read $DEVICE 0 $SIZE_HALF)
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if [ $? != 0 ]
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then
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test_log_trace "Can not write first half of test device"
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eviction_policy_deinit
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return 1
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fi
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test_log_trace "First Half WR MD5 sum is $MD5_SUM_WR_1"
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test_log_trace "First Half RD MD5 sum is $MD5_SUM_RD_1"
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test_log_trace "Second Half WR MD5 sum is $MD5_SUM_WR_2"
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test_log_trace "Second Half RD MD5 sum is $MD5_SUM_RD_2"
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test_log_trace "IO stat size of core before read first half is $SIZE_BEFORE"
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test_log_trace "IO stat size of core after read first half is $SIZE_AFTER"
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if [ $MD5_SUM_WR_1 != $MD5_SUM_RD_1 ]
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then
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eviction_policy_deinit
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error "First half checksum error"
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return 1
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fi
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if [ $MD5_SUM_WR_2 != $MD5_SUM_RD_2 ]
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then
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eviction_policy_deinit
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error "Second half checksum error"
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return 1
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fi
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return 0
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}
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#
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# START TEST
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#
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test_log_start
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run_cmd eviction_policy_init "YES"
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run_cmd eviction_policy_test $TEST_DEVICE "${CORE_DEVICE}1" $(get_bytes $CORE_DEVICE_SIZE)
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run_cmd eviction_policy_deinit
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#
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# END TEST
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#
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# Always return 0 at the end of the test - if at any point something has failed
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# in the API functions, test will end and return a proper result.
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# If you need to check other things during the test and end the test earlier, you
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# should end the test using "end_test $retval" function
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end_test 0
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