test-lib: valgrind for only tests matching a pattern

diff --git a/t/README b/t/README
index 9c8f9b19fd743251eb3a02596fa34aed3b611386..bffd4843417ba73973b2a9f817091c0af76996ac 100644 (file)
--- a/t/README
+++ b/t/README
@@ -126,6 +126,11 @@ appropriately before running "make".
        the 't/valgrind/' directory and use the commands under
        't/valgrind/bin/'.
 
+--valgrind-only=<pattern>::
+       Like --valgrind, but the effect is limited to tests with
+       numbers matching <pattern>.  The number matched against is
+       simply the running count of the test within the file.
+
 --tee::
        In addition to printing the test output to the terminal,
        write it to files named 't/test-results/$TEST_NAME.out'.