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mdbx: refine Valgrind support (i.e. avoid false-positives).

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Change-Id: I688b2e905d0b705c34ab29df29bfd0a9bcdde8c9
This commit is contained in:
Leonid Yuriev
2019-10-10 22:11:28 +03:00
parent ab01078cd7
commit 39c1238d8e
6 changed files with 154 additions and 18 deletions
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19
test/long_stochastic.sh
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@@ -8,9 +8,22 @@ set -euo pipefail
UNAME="$(uname -s 2>/dev/null || echo Unknown)"
## NOTE: Valgrind could produce some false-positive warnings
## in multi-process environment with shared memory.
## For instance, when the process "A" explicitly marks a memory
## region as "undefined", the process "B" fill it,
## and after this process "A" read such region, etc.
#VALGRIND="valgrind --trace-children=yes --log-file=valgrind-%p.log --leak-check=full --track-origins=yes --error-exitcode=42 --suppressions=test/valgrind_suppress.txt"
###############################################################################
# 1. clean data from prev runs and examine available RAM
if [[ -v VALGRIND && ! -z "$VALGRIND" ]]; then
rm -f valgrind-*.log
else
VALGRIND=time
fi
WANNA_MOUNT=0
case ${UNAME} in
Linux)
@@ -164,9 +177,9 @@ function probe {
echo "=============================================== $(date)"
echo "${caption}: $*"
rm -f ${TESTDB_DIR}/* \
&& ./mdbx_test --ignore-dbfull --repeat=42 --pathname=${TESTDB_DIR}/long.db "$@" | lz4 > ${TESTDB_DIR}/long.log.lz4 \
&& ./mdbx_chk -nvvv ${TESTDB_DIR}/long.db | tee ${TESTDB_DIR}/long-chk.log \
&& ([ ! -e ${TESTDB_DIR}/long.db-copy ] || ./mdbx_chk -nvvv ${TESTDB_DIR}/long.db-copy | tee ${TESTDB_DIR}/long-chk-copy.log) \
&& ${VALGRIND} ./mdbx_test --ignore-dbfull --repeat=42 --pathname=${TESTDB_DIR}/long.db "$@" | lz4 > ${TESTDB_DIR}/long.log.lz4 \
&& ${VALGRIND} ./mdbx_chk -nvvv ${TESTDB_DIR}/long.db | tee ${TESTDB_DIR}/long-chk.log \
&& ([ ! -e ${TESTDB_DIR}/long.db-copy ] || ${VALGRIND} ./mdbx_chk -nvvv ${TESTDB_DIR}/long.db-copy | tee ${TESTDB_DIR}/long-chk-copy.log) \
|| (echo "FAILED"; exit 1)
}

16
test/valgrind_suppress.txt Normal file
View File

@@ -0,0 +1,16 @@
{
msync-whole-mmap-1
Memcheck:Param
msync(start)
fun:msync
...
fun:mdbx_sync_locked
}
{
msync-whole-mmap-2
Memcheck:Param
msync(start)
fun:msync
...
fun:mdbx_env_sync_ex
}