qemu-block
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-block] [PATCH v2 1/7] iotests: allow Valgrind checking all QEM


From: Andrey Shinkevich
Subject: Re: [Qemu-block] [PATCH v2 1/7] iotests: allow Valgrind checking all QEMU processes
Date: Thu, 27 Jun 2019 15:08:25 +0000


On 13/06/2019 12:44, Vladimir Sementsov-Ogievskiy wrote:
> 11.06.2019 21:02, Andrey Shinkevich wrote:
>> With the '-valgrind' option, let all the QEMU processes be run under
>> the Valgrind tool. The Valgrind own parameters may be set with its
>> environment variable VALGRIND_OPTS, e.g.
>> VALGRIND_OPTS="--leak-check=yes" ./check -qcow2 -valgrind <test#>
>> or they may be listed in the Valgrind checked file ./.valgrindrc or
>> ~/.valgrindrc like
>> --memcheck:leak-check=no
>> --memcheck:track-origins=yes
>> After including the Valgrind into the QEMU processes wrappers in the
>> common.rc script, the benchmark output for the tests 039 061 137 is to
>> be amended.
>>
>> Signed-off-by: Andrey Shinkevich <address@hidden>
>> ---
>>    tests/qemu-iotests/039.out   | 30 ++++----------------
>>    tests/qemu-iotests/061.out   | 12 ++------
>>    tests/qemu-iotests/137.out   |  6 +---
>>    tests/qemu-iotests/common.rc | 65 
>> ++++++++++++++++++++++++++++++++------------
>>    4 files changed, 56 insertions(+), 57 deletions(-)
>>
>> diff --git a/tests/qemu-iotests/039.out b/tests/qemu-iotests/039.out
>> index 724d7b2..972c6c0 100644
>> --- a/tests/qemu-iotests/039.out
>> +++ b/tests/qemu-iotests/039.out
>> @@ -11,11 +11,7 @@ No errors were found on the image.
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x1
>>    ERROR cluster 5 refcount=0 reference=1
>>    ERROR OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=0
>> @@ -50,11 +46,7 @@ read 512/512 bytes at offset 0
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x1
>>    ERROR cluster 5 refcount=0 reference=1
>>    Rebuilding refcount structure
>> @@ -68,11 +60,7 @@ incompatible_features     0x0
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x0
>>    No errors were found on the image.
>>    
>> @@ -91,11 +79,7 @@ No errors were found on the image.
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x1
>>    ERROR cluster 5 refcount=0 reference=1
>>    ERROR OFLAG_COPIED data cluster: l2_entry=8000000000050000 refcount=0
>> @@ -105,11 +89,7 @@ Data may be corrupted, or further writes to the image 
>> may corrupt it.
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=134217728
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x0
>>    No errors were found on the image.
>>    *** done
>> diff --git a/tests/qemu-iotests/061.out b/tests/qemu-iotests/061.out
>> index 1aa7d37..8cb57eb 100644
>> --- a/tests/qemu-iotests/061.out
>> +++ b/tests/qemu-iotests/061.out
>> @@ -118,11 +118,7 @@ No errors were found on the image.
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
>>    wrote 131072/131072 bytes at offset 0
>>    128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    magic                     0x514649fb
>>    version                   3
>>    backing_file_offset       0x0
>> @@ -280,11 +276,7 @@ No errors were found on the image.
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
>>    wrote 131072/131072 bytes at offset 0
>>    128 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    magic                     0x514649fb
>>    version                   3
>>    backing_file_offset       0x0
>> diff --git a/tests/qemu-iotests/137.out b/tests/qemu-iotests/137.out
>> index 22d59df..7fed5e6 100644
>> --- a/tests/qemu-iotests/137.out
>> +++ b/tests/qemu-iotests/137.out
>> @@ -35,11 +35,7 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
>>    qemu-io: Unsupported value 'blubb' for qcow2 option 'overlap-check'. 
>> Allowed are any of the following: none, constant, cached, all
>>    wrote 512/512 bytes at offset 0
>>    512 bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
>> -./common.rc: Killed                  ( if [ "${VALGRIND_QEMU}" == "y" ]; 
>> then
>> -    exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -else
>> -    exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@";
>> -fi )
>> +./common.rc: Killed                  ( _qemu_proc_wrapper 
>> "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@" )
>>    incompatible_features     0x0
>>    Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864
>>    wrote 65536/65536 bytes at offset 0
>> diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
>> index 93f8738..3caaca4 100644
>> --- a/tests/qemu-iotests/common.rc
>> +++ b/tests/qemu-iotests/common.rc
>> @@ -60,19 +60,52 @@ if ! . ./common.config
>>        exit 1
>>    fi
>>    
>> +_qemu_proc_wrapper()
>> +{
>> +    local VALGRIND_LOGFILE="$1"
>> +    shift
>> +    if [ "${VALGRIND_QEMU}" == "y" ]; then
>> +        exec valgrind --log-file="${VALGRIND_LOGFILE}" --error-exitcode=99 
>> "$@"
>> +    else
>> +        exec "$@"
>> +    fi
>> +}
>> +
>> +_qemu_proc_valgrind_log()
>> +{
>> +    local VALGRIND_LOGFILE="$1"
>> +    local RETVAL="$2"
>> +    if [ "${VALGRIND_QEMU}" == "y" ]; then
>> +        if [ $RETVAL == 99 ]; then
>> +            cat "${VALGRIND_LOGFILE}"
>> +        fi
>> +        rm -f "${VALGRIND_LOGFILE}"
>> +    fi
>> +}
>> +
>>    _qemu_wrapper()
>>    {
>> +    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
>>        (
>>            if [ -n "${QEMU_NEED_PID}" ]; then
>>                echo $BASHPID > "${QEMU_TEST_DIR}/qemu-${_QEMU_HANDLE}.pid"
>>            fi
>> -        exec "$QEMU_PROG" $QEMU_OPTIONS "$@"
>> +        _qemu_proc_wrapper "${VALGRIND_LOGFILE}" "$QEMU_PROG" $QEMU_OPTIONS 
>> "$@"
>>        )
>> +    RETVAL=$?
>> +    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
>> +    return $RETVAL
>>    }
>>    
>>    _qemu_img_wrapper()
>>    {
>> -    (exec "$QEMU_IMG_PROG" $QEMU_IMG_OPTIONS "$@")
>> +    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
>> +    (
>> +        _qemu_proc_wrapper "${VALGRIND_LOGFILE}" "$QEMU_IMG_PROG" 
>> $QEMU_IMG_OPTIONS "$@"
>> +    )
>> +    RETVAL=$?
>> +    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
>> +    return $RETVAL
> 
> 
> this usage of _qemu_proc_wrapper and _qemu_proc_valgrind_log are almost 
> identical in all
> new _qemu* wrappers. Could you create one _qemu_valgrind_wrapper, to not 
> duplicate this code?
> 
> 

I agree that the wrappers look like of the same pattern at a first 
glance. However, they have different conditions inside. The list of 
arguments differs also. Moreover, _qemu_proc_wrapper() and 
_qemu_proc_valgrind_log() are run in different shells. That makes 
implementation of a unified wrapper complicated.

>>    }
>>    
>>    _qemu_io_wrapper()
>> @@ -85,38 +118,36 @@ _qemu_io_wrapper()
>>                QEMU_IO_ARGS="--object secret,id=keysec0,data=$IMGKEYSECRET 
>> $QEMU_IO_ARGS"
>>            fi
>>        fi
>> -    local RETVAL
>>        (
>> -        if [ "${VALGRIND_QEMU}" == "y" ]; then
>> -            exec valgrind --log-file="${VALGRIND_LOGFILE}" 
>> --error-exitcode=99 "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
>> -        else
>> -            exec "$QEMU_IO_PROG" $QEMU_IO_ARGS "$@"
>> -        fi
>> +        _qemu_proc_wrapper "${VALGRIND_LOGFILE}" "$QEMU_IO_PROG" 
>> $QEMU_IO_ARGS "$@"
>>        )
>>        RETVAL=$?
>> -    if [ "${VALGRIND_QEMU}" == "y" ]; then
>> -        if [ $RETVAL == 99 ]; then
>> -            cat "${VALGRIND_LOGFILE}"
>> -        fi
>> -        rm -f "${VALGRIND_LOGFILE}"
>> -    fi
>> -    (exit $RETVAL)
>> +    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
>> +    return $RETVAL
>>    }
>>    
>>    _qemu_nbd_wrapper()
>>    {
>> +    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
>>        (
>>            echo $BASHPID > "${QEMU_TEST_DIR}/qemu-nbd.pid"
>> -        exec "$QEMU_NBD_PROG" $QEMU_NBD_OPTIONS "$@"
>> +        _qemu_proc_wrapper "${VALGRIND_LOGFILE}" "$QEMU_NBD_PROG" 
>> $QEMU_NBD_OPTIONS "$@"
>>        )
>> +    RETVAL=$?
>> +    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
>> +    return $RETVAL
>>    }
>>    
>>    _qemu_vxhs_wrapper()
>>    {
>> +    local VALGRIND_LOGFILE="${TEST_DIR}"/$$.valgrind
>>        (
>>            echo $BASHPID > "${TEST_DIR}/qemu-vxhs.pid"
>> -        exec "$QEMU_VXHS_PROG" $QEMU_VXHS_OPTIONS "$@"
>> +        _qemu_proc_wrapper "${VALGRIND_LOGFILE}" "$QEMU_VXHS_PROG" 
>> $QEMU_VXHS_OPTIONS "$@"
>>        )
>> +    RETVAL=$?
>> +    _qemu_proc_valgrind_log "${VALGRIND_LOGFILE}" $RETVAL
>> +    return $RETVAL
>>    }
>>    
>>    export QEMU=_qemu_wrapper
>>
> 
> 

-- 
With the best regards,
Andrey Shinkevich

reply via email to

[Prev in Thread] Current Thread [Next in Thread]