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README-VALGRIND.md

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Valgrind Output With Suppressed Errors

Example command uses besstandalone -c tests/bes.conf -i tests/contiguous/coads_climatology.dmr in dmrpp-module.

1. Generate Valgrind Output

Output file: vg-dmrpp.txt

cd ../hyrax/bes/modules/dmrpp-module
valgrind --leak-check=full --show-reachable=yes --error-limit=no \
  --gen-suppressions=all --log-file=vg-dmrpp.txt \
  besstandalone -c tests/bes.conf -i tests/contiguous/coads_climatology.dmr

If the log shows Warning: client switching stacks?..., use --max-stackframe to get clean output.

2. Generate Suppression File

Output file: vg-dmrpp.supp

cat vg-dmrpp.txt | /home/opendap/hyrax/bes/parse_valgrind_suppressions.sh > vg-dmrpp.supp

3. Run Valgrind With Suppressions

valgrind -s --leak-check=full --show-reachable=yes --error-limit=no \
  --suppressions=./vg-dmrpp.supp --gen-suppressions=all \
  --log-file=test_bes_make.log \
  besstandalone -c tests/bes.conf -i tests/contiguous/coads_climatology.dmr

You can edit the suppression file to remove repeated lines that match multiple similar errors.

Reference