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Checking /sys/block to find scheduler(s). Issues 1276, 1325 #1394

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Checking /sys/block to find scheduler(s). Issues 1276, 1325 #1394

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39 changes: 28 additions & 11 deletions include/tests_kernel
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Original file line number Diff line number Diff line change
Expand Up @@ -264,22 +264,39 @@
if HasData "${LINUXCONFIGFILE}"; then
if [ -f ${LINUXCONFIGFILE} ]; then PREQS_MET="YES"; fi
fi
FIND_DEVICES=$(${LSBINARY} /sys/block 2>/dev/null)
for DEVICE in ${FIND_DEVICES}; do
BLOCK_DEVICE_SCHEDULER="/sys/block/${DEVICE}/queue/scheduler"
done
if [ -f ${BLOCK_DEVICE_SCHEDULER} ]; then
LINUX_KERNEL_IOSCHED=$(${GREPBINARY} -E '\[[a-z-]+\]' ${BLOCK_DEVICE_SCHEDULER} |cut -d[ -f2|cut -d] -f 1)
PREQS_MET="YES"
fi

Register --test-no KRNL-5730 --os Linux --preqs-met ${PREQS_MET} --weight L --network NO --category security --description "Checking disk I/O kernel scheduler"
if [ ${SKIPTEST} -eq 0 ]; then
if [ ${LINUXCONFIGFILE_ZIPPED} -eq 1 ]; then GREPTOOL="${ZGREPBINARY}"; else GREPTOOL="${GREPBINARY}"; fi
if [ -n "${GREPTOOL}" ]; then
LogText "Test: Checking the default I/O kernel scheduler"
LINUX_KERNEL_IOSCHED=$(${GREPTOOL} "CONFIG_DEFAULT_IOSCHED" ${LINUXCONFIGFILE} | ${AWKBINARY} -F= '{ print $2 }' | ${SEDBINARY} s/\"//g)
if [ -n "${LINUX_KERNEL_IOSCHED}" ]; then
LogText "Result: found IO scheduler '${LINUX_KERNEL_IOSCHED}'"
Display --indent 2 --text "- Checking default I/O kernel scheduler" --result "${STATUS_FOUND}" --color GREEN
Report "linux_kernel_io_scheduler[]=${LINUX_KERNEL_IOSCHED}"
# Only check LINUXCONFIGFILE if we didn't find scheduler in
# /sys/block/
if [ -z "${LINUX_KERNEL_IOSCHED}" ]; then
if [ ${LINUXCONFIGFILE_ZIPPED} -eq 1 ]; then GREPTOOL="${ZGREPBINARY}"; else GREPTOOL="${GREPBINARY}"; fi
if [ -n "${GREPTOOL}" ]; then
LogText "Test: Checking the default I/O kernel scheduler"
LINUX_KERNEL_IOSCHED=$(${GREPTOOL} "CONFIG_DEFAULT_IOSCHED" ${LINUXCONFIGFILE} | ${AWKBINARY} -F= '{ print $2 }' | ${SEDBINARY} s/\"//g)
if [ -n "${LINUX_KERNEL_IOSCHED}" ]; then
LogText "Result: found IO scheduler '${LINUX_KERNEL_IOSCHED}'"
Display --indent 2 --text "- Checking default I/O kernel scheduler" --result "${STATUS_FOUND}" --color GREEN
Report "linux_kernel_io_scheduler[]=${LINUX_KERNEL_IOSCHED}"
else
LogText "Result: no default I/O kernel scheduler found"
Display --indent 2 --text "- Checking default I/O kernel scheduler" --result "${STATUS_NOT_FOUND}" --color WHITE
fi
else
LogText "Result: no default I/O kernel scheduler found"
Display --indent 2 --text "- Checking default I/O kernel scheduler" --result "${STATUS_NOT_FOUND}" --color WHITE
ReportException "${TEST_NO}" "No valid ${GREPBINARY} tool found to search kernel settings"
fi
else
ReportException "${TEST_NO}" "No valid ${GREPBINARY} tool found to search kernel settings"
LogText "Result: found IO scheduler '${LINUX_KERNEL_IOSCHED}'"
Display --indent 2 --text "- Checking default I/O kernel scheduler" --result "${STATUS_FOUND}" --color GREEN
Report "linux_kernel_io_scheduler[]=${LINUX_KERNEL_IOSCHED}"
fi
fi
#
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