[stress-tests] Fix typo when finding sysbench binary

We were erroneously looking for the sysbench2 binary.

While there unify naming and add direct links from the documentation
to each mentioned file.

stress-tests/README.md

@@ -11,11 +11,13 @@ This documents normalised stress-testing and references files under
 
 ## VM tests
 
-- `vm-test.sh`: generate a text file to compare CPU and other factors across
-  VM types, providers or instances which may affect DD performance.
+- `[vm-tests.sh][vm-tests.sh]`: generate a text file to compare CPU and other
+  factors across VM types, providers or instances which may affect DD
+  performance.
 
-We can compare the resulting lgos just with, e.g. `vim -d`.
+We can compare the resulting logs just with, e.g. `vim -d`.
 
+[vm-tests.sh]: https://gitlab.com/DD-workspace/DD/-/tree/main/stress-tests/vm-tests.sh
 
 ## DD tests
 
@@ -26,12 +28,17 @@ be interesting to expand them to interact with other services.
 
 This directory contains following files:
 
-- `dd-stress-test.tpl.jmx`: template to generate [JMeter][jm] tests to execute
-- `dd-tests.sh`: helper script that generates the actual test plan files and
-  executes them. See `./dd-tests.sh --help`
-- `dd-test-selenium.sh`: this gives us an idea of how a user would perceive
-  DD to be behaving while under load. Called by `./dd-tests.sh` by default.
+- `[dd-stress-test.tpl.jmx][dd-stress-test.tpl.jmx]`: template to generate
+  [JMeter][jm] tests to execute
+- `[dd-tests.sh][dd-tests.sh]`: helper script that generates the actual test
+  plan files and executes them. See `./dd-tests.sh --help`
+- `[dd-tests-selenium.py][dd-tests-selenium.py]`: this gives us an idea of
+  how a user would perceive DD to be behaving while under load.
+  Called by `./dd-tests.sh` by default.
 
+[dd-stress-test.tpl.jmx]: https://gitlab.com/DD-workspace/DD/-/tree/main/stress-tests/dd-stress-test.tpl.jmx
+[dd-tests.sh]: https://gitlab.com/DD-workspace/DD/-/tree/main/stress-tests/dd-tests.sh
+[dd-tests-selenium.py]: https://gitlab.com/DD-workspace/DD/-/tree/main/stress-tests/dd-tests-selenium.py
 
 ### Results
 

stress-tests/dd-test.sh

@@ -167,7 +167,7 @@ sed -E \
 # Call Selenium test process in parallel
 if [ "${USE_SELENIUM}" = "YES" ]; then
 	printf "\n\nRunning parallel Selenium-based tests:\t%s\tover %s seconds\n\n" "${DD_DOMAIN}" "${duration}"
-	python3 dd-test-selenium.py test --duration "${duration}" --out-dir "${out_dir}/selenium" "${DD_DOMAIN}" 2>&1 > "${out_dir}/selenium.log" &
+	python3 dd-tests-selenium.py test --duration "${duration}" --out-dir "${out_dir}/selenium" "${DD_DOMAIN}" 2>&1 > "${out_dir}/selenium.log" &
 fi
 
 # Execute test

stress-tests/vm-tests.sh

@@ -2,7 +2,7 @@
 
 LOG_FILE="${LOG_FILE:-vm-test.log}"
 
-SYSBENCH="$(command -v sysbench2)"
+SYSBENCH="$(command -v sysbench)"
 
 # Save stderr as well
 exec 2>&1