test/Makefile

   1 ASAN_OPTIONS?=verify_asan_link_order=0:detect_leaks=0:abort_on_error=1:unmap_shadow_on_exit=1:disable_coredump=0
   2 export ASAN_OPTIONS
   3
   4 .PHONY: verify-env
   5 verify-env:
   6 ifndef WS_ROOT
   7         $(error WS_ROOT is not set)
   8 endif
   9 ifndef BR
  10         $(error BR is not set)
  11 endif
  12 ifndef TEST_DIR
  13         $(error TEST_DIR is not set)
  14 endif
  15
  16 export TEST_BR = $(BR)/build-test
  17 export TEST_DOC_BR = $(TEST_BR)/doc
  18 export BUILD_TEST_SRC = $(TEST_BR)/src
  19 FAILED_DIR=/tmp/vpp-failed-unittests/
  20 PLUGIN_TEST_DIRS=$(shell find $(PLUGIN_SRC_DIR) -type d -name test -exec echo -n " -d {}" \;)
  21 CORE_TEST_DIRS=$(shell find $(WS_ROOT)/src -not \( -path $(INTERN_PLUGIN_SRC_DIR) -prune \) -type d -name test -exec echo -n " -d {}" \;)
  22 VPP_TEST_DIRS=$(shell ls -d $(TEST_DIR)$(PLUGIN_TEST_DIRS)$(CORE_TEST_DIRS) $(EXTERN_TESTS))
  23 VPP_TEST_SRC=$(shell for dir in $(VPP_TEST_DIRS) ; do ls $$dir/*.py 2>/dev/null; done)
  24
  25 .PHONY: verify-no-running-vpp
  26
  27 ifdef VPP_ZOMBIE_NOCHECK
  28 VPP_PIDS=
  29 else
  30 VPP_PIDS=$(shell pgrep -d, -x vpp_main)
  31 endif
  32
  33 ifeq ($(DEBUG),gdb)
  34 FORCE_FOREGROUND=1
  35 else ifeq ($(DEBUG),gdbserver)
  36 FORCE_FOREGROUND=1
  37 else ifeq ($(DEBUG),gdb-all)
  38 FORCE_FOREGROUND=1
  39 else ifeq ($(DEBUG),gdbserver-all)
  40 FORCE_FOREGROUND=1
  41 else ifeq ($(DEBUG),core)
  42 FORCE_FOREGROUND=1
  43 else ifeq ($(STEP),yes)
  44 FORCE_FOREGROUND=1
  45 else ifeq ($(STEP),y)
  46 FORCE_FOREGROUND=1
  47 else ifeq ($(STEP),1)
  48 FORCE_FOREGROUND=1
  49 else
  50 FORCE_FOREGROUND=0
  51 endif
  52
  53 ifdef PROFILE_OUTPUT
  54 PROFILE_OUTPUT_OPTS=-o $(PROFILE_OUTPUT)
  55 endif
  56
  57 ifndef PROFILE_SORT_BY
  58 PROFILE_SORT_BY=cumtime
  59 endif
  60
  61 ifeq ($(PROFILE),1)
  62 PYTHON_PROFILE_OPTS=-m cProfile $(PROFILE_OUTPUT_OPTS) -s $(PROFILE_SORT_BY)
  63 FORCE_FOREGROUND=1
  64 endif
  65
  66 verify-no-running-vpp:
  67         @if [ "$(VPP_PIDS)" != "" ]; then \
  68                 echo; \
  69                 echo "*** Existing vpp processes detected (PID(s): $(VPP_PIDS)). Running tests under these conditions is not supported. ***"; \
  70                 echo; \
  71                 ps -fp $(VPP_PIDS);\
  72                 echo; \
  73                 false; \
  74         fi
  75
  76 UNITTEST_EXTRA_OPTS=
  77 UNITTEST_FAILFAST_OPTS=
  78
  79 ifeq ($(FAILFAST),1)
  80 UNITTEST_EXTRA_OPTS=-f
  81 endif
  82
  83 ifneq ($(EXTERN_TESTS),)
  84 UNITTEST_EXTRA_OPTS=$(UNITTEST_FAILFAST_OPTS) -d $(EXTERN_TESTS)
  85 endif
  86
  87 VENV_PATH=$(TEST_BR)/venv
  88
  89 ifeq ($(TEST_DEBUG),1)
  90 VENV_RUN_DIR:=$(VENV_PATH)/run-debug
  91 else
  92 VENV_RUN_DIR:=$(VENV_PATH)/run
  93 endif
  94
  95 ifeq ($(PYTHON),)
  96 PYTHON_INTERP=python3
  97 else
  98 PYTHON_INTERP=$(PYTHON)
  99 endif
 100
 101 empty:=
 102 space:= $(empty) $(empty)
 103 export PYTHONPATH=$(subst $(space),:,$(VPP_TEST_DIRS))
 104 export PYTHONPYCACHEPREFIX=$(TEST_BR)/pycache
 105
 106 PYTHON_VERSION=$(shell $(PYTHON_INTERP) -c 'import sys; print(sys.version_info.major)')
 107 PIP_VERSION=20.1.1
 108 # Keep in sync with requirements.txt
 109 PIP_TOOLS_VERSION=5.1.2
 110 PYTHON_DEPENDS=requirements-$(PYTHON_VERSION).txt
 111 SCAPY_SOURCE=$(shell find $(VENV_PATH)/lib/python* -name site-packages)
 112 BUILD_COV_DIR=$(TEST_BR)/coverage
 113
 114 PIP_TOOLS_INSTALL_DONE=$(VENV_RUN_DIR)/pip-tools-install-$(PYTHON_VERSION)-$(PIP_TOOLS_VERSION).done
 115 PIP_INSTALL_DONE=$(VENV_RUN_DIR)/pip-install-$(PYTHON_VERSION)-$(PIP_VERSION).done
 116 PIP_PATCH_DONE=$(VENV_RUN_DIR)/pip-patch-$(PYTHON_VERSION).done
 117 PAPI_INSTALL_DONE=$(VENV_RUN_DIR)/papi-install-$(PYTHON_VERSION).done
 118 PAPI_PYTHON_SRC_DIR=$(WS_ROOT)/src/vpp-api/python
 119 PAPI_WIPE_DIST=$(WS_ROOT)/src/vpp-api/vapi/__pycache__ \
 120         $(PAPI_PYTHON_SRC_DIR)/build \
 121         $(PAPI_PYTHON_SRC_DIR)/vpp_papi.egg-info \
 122         $(PAPI_PYTHON_SRC_DIR)/vpp_papi/__pycache__
 123
 124 $(PIP_TOOLS_INSTALL_DONE):
 125         @rm -rf $(VENV_PATH)
 126         @mkdir -p $(VENV_RUN_DIR)
 127         @$(PYTHON_INTERP) -m venv $(VENV_PATH)
 128         # pip version pinning
 129         @bash -c "source $(VENV_PATH)/bin/activate && \
 130                   $(PYTHON_INTERP) -m pip install pip===$(PIP_VERSION)"
 131         @bash -c "source $(VENV_PATH)/bin/activate && \
 132                   $(PYTHON_INTERP) -m pip install pip-tools===$(PIP_TOOLS_VERSION)"
 133         @touch $@
 134
 135 $(PYTHON_DEPENDS): requirements.txt
 136         @bash -c "source $(VENV_PATH)/bin/activate && \
 137                   CUSTOM_COMPILE_COMMAND='make test-refresh-deps (or update requirements.txt)' \
 138                   $(PYTHON_INTERP) -m piptools compile -q --generate-hashes requirements.txt --output-file $@"
 139
 140 $(PIP_INSTALL_DONE): $(PIP_TOOLS_INSTALL_DONE) $(PYTHON_DEPENDS)
 141         @bash -c "source $(VENV_PATH)/bin/activate && \
 142                   $(PYTHON_INTERP) -m piptools sync $(PYTHON_DEPENDS)"
 143         @touch $@
 144
 145 $(PIP_PATCH_DONE): $(PIP_INSTALL_DONE)
 146         @echo --- patching ---
 147         @sleep 1 # Ensure python recompiles patched *.py files -> *.pyc
 148         for f in $(CURDIR)/patches/scapy-2.4.3/*.patch ; do \
 149                 echo Applying patch: $$(basename $$f) ; \
 150                 patch --forward -p1 -d $(SCAPY_SOURCE) < $$f ; \
 151                 retCode=$$?; \
 152                 [ $$retCode -gt 1 ] && exit $$retCode; \
 153         done; \
 154         touch $@
 155
 156 $(PAPI_INSTALL_DONE): $(PIP_PATCH_DONE)
 157         @bash -c "source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) -m pip install -e $(PAPI_PYTHON_SRC_DIR)"
 158         @touch $@
 159
 160 .PHONY: refresh-deps
 161 refresh-deps: clean-deps $(PYTHON_DEPENDS)
 162
 163 .PHONY: clean-deps
 164 clean-deps:
 165         @rm -f $(PYTHON_DEPENDS)
 166
 167 INTERN_PLUGIN_SRC_DIR=$(WS_ROOT)/src/plugins
 168 ifneq ($(EXTERN_PLUGIN_SRC_DIR),)
 169 PLUGIN_SRC_DIR=$(EXTERN_PLUGIN_SRC_DIR)
 170 else
 171 PLUGIN_SRC_DIR=$(INTERN_PLUGIN_SRC_DIR)
 172 endif
 173
 174 define retest-func
 175 @env FORCE_FOREGROUND=$(FORCE_FOREGROUND) FAILED_DIR=$(FAILED_DIR) VENV_PATH=$(VENV_PATH) scripts/setsid_wrapper.sh $(FORCE_FOREGROUND) $(VENV_PATH)/bin/activate $(PYTHON_INTERP) $(PYTHON_PROFILE_OPTS) $(BUILD_TEST_SRC)/run_tests.py -d $(BUILD_TEST_SRC) $(UNITTEST_EXTRA_OPTS) || env FAILED_DIR=$(FAILED_DIR) COMPRESS_FAILED_TEST_LOGS=$(COMPRESS_FAILED_TEST_LOGS) scripts/compress_failed.sh
 176 endef
 177
 178 .PHONY: sanity
 179
 180 ifeq ($(SANITY),no)
 181 SANITY_IMPORT_VPP_PAPI_CMD=true
 182 SANITY_RUN_VPP_CMD=true
 183 else
 184 SANITY_IMPORT_VPP_PAPI_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) $(BUILD_TEST_SRC)/sanity_import_vpp_papi.py
 185 SANITY_RUN_VPP_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) $(BUILD_TEST_SRC)/sanity_run_vpp.py
 186 endif
 187
 188 ifndef TEST_JOBS
 189 PARALLEL_ILLEGAL=0
 190 else ifeq ($(FORCE_FOREGROUND),0)
 191 PARALLEL_ILLEGAL=0
 192 else ifeq ($(TEST_JOBS),auto)
 193 PARALLEL_ILLEGAL=0
 194 else ifeq ($(TEST_JOBS),1)
 195 PARALLEL_ILLEGAL=0
 196 else
 197 PARALLEL_ILLEGAL=1
 198 endif
 199
 200 sanity: test-dep verify-no-running-vpp
 201         @bash -c "test $(PARALLEL_ILLEGAL) -eq 0 ||\
 202             (echo \"*******************************************************************\" &&\
 203                  echo \"* Sanity check failed, TEST_JOBS is not 1 or 'auto' and DEBUG, STEP or PROFILE is set\" &&\
 204                  echo \"*******************************************************************\" &&\
 205                  false)"
 206         @bash -c "$(SANITY_IMPORT_VPP_PAPI_CMD) ||\
 207                 (echo \"*******************************************************************\" &&\
 208                  echo \"* Sanity check failed, cannot import vpp_papi\" &&\
 209                  echo \"* to debug: \" &&\
 210                  echo \"* 1. enter test shell:   make test-shell\" &&\
 211                  echo \"* 2. execute debugger:   gdb python -ex 'run sanity_import_vpp_papi.py'\" &&\
 212                  echo \"*******************************************************************\" &&\
 213                  false)"
 214         @bash -c "$(SANITY_RUN_VPP_CMD) ||\
 215                 (echo \"*******************************************************************\" &&\
 216                  echo \"* Sanity check failed, cannot run vpp\" &&\
 217                  echo \"*******************************************************************\" &&\
 218                  false)"
 219
 220 .PHONY: ext-test-apps
 221 ext-test-apps:
 222         make -C ext test-apps
 223
 224 $(BUILD_TEST_SRC): verify-env
 225         @rm -rf $@
 226         @mkdir -p $@
 227         @for file in $(VPP_TEST_SRC); do if [ ! -L $$file ] && [ ! -e $(BUILD_TEST_SRC)/$$(basename $$file) ] ; then ln -s $$file $(BUILD_TEST_SRC) ; fi ; done
 228
 229 $(FAILED_DIR): reset
 230         @mkdir -p $@
 231
 232 .PHONY: test-dep
 233 test-dep: $(BUILD_TEST_SRC) $(PAPI_INSTALL_DONE) $(FAILED_DIR)
 234
 235 .PHONY: test
 236 test: test-dep ext-test-apps sanity
 237         $(call retest-func)
 238
 239 .PHONY: retest
 240 retest: verify-env sanity $(FAILED_DIR)
 241         $(call retest-func)
 242
 243 .PHONY: shell
 244 shell: test-dep
 245         @echo "source $(VENV_PATH)/bin/activate;\
 246                 cd $(BUILD_TEST_SRC);\
 247                 export PYTHONPATH=$(PYTHONPATH);\
 248                 export RND_SEED=$(RND_SEED);\
 249                 echo '***';\
 250                 echo PYTHONPATH=$(PYTHONPATH);\
 251                 echo RND_SEED=$(RND_SEED);\
 252                 echo VPP_BUILD_DIR=$(VPP_BUILD_DIR);\
 253                 echo VPP_BIN=$(VPP_BIN);\
 254                 echo VPP_PLUGIN_PATH=$(VPP_PLUGIN_PATH);\
 255                 echo VPP_TEST_PLUGIN_PATH=$(VPP_TEST_PLUGIN_PATH);\
 256                 echo VPP_INSTALL_PATH=$(VPP_INSTALL_PATH);\
 257                 echo EXTERN_TESTS=$(EXTERN_TESTS);\
 258                 echo EXTERN_PLUGINS=$(EXTERN_PLUGINS);\
 259                 echo EXTERN_COV_DIR=$(EXTERN_COV_DIR);\
 260                 echo LD_LIBRARY_PATH=$(LD_LIBRARY_PATH);\
 261                 echo '***';\
 262                 exec </dev/tty" | bash -i
 263
 264 .PHONY: reset
 265 reset:
 266         @rm -f /dev/shm/vpp-unittest-*
 267         @rm -rf /tmp/vpp-unittest-*
 268         @rm -f /tmp/api_post_mortem.*
 269         @rm -rf $(FAILED_DIR)
 270
 271 .PHONY: wipe
 272 wipe: reset
 273         @make -C ext clean
 274         @rm -rf $(VENV_PATH)
 275         @rm -rf $(patsubst %,%/__pycache__, $(VPP_TEST_DIRS))
 276         @rm -rf  $(BUILD_TEST_SRC)
 277
 278 $(TEST_DOC_BR): $(PIP_INSTALL_DONE)
 279         @mkdir -p $@
 280         @bash -c "source $(VENV_PATH)/bin/activate && make -C doc html"
 281
 282 .PHONY: doc
 283 doc: $(BUILD_TEST_SRC) $(PIP_PATCH_DONE) $(TEST_DOC_BR)
 284         @echo
 285         @echo "Test Documentation URL: $(TEST_DOC_BR)/html/index.html"
 286         @echo "Run 'make test-wipe-doc test-doc' to rebuild the test docs"
 287         @echo
 288
 289 .PHONY: wipe-doc
 290 wipe-doc:
 291         @rm -rf $(TEST_DOC_BR)
 292
 293 $(BUILD_COV_DIR):
 294         @mkdir -p $@
 295
 296 .PHONY: cov
 297 cov: wipe-cov test-dep ext $(BUILD_COV_DIR)
 298         @lcov --zerocounters --directory $(VPP_BUILD_DIR)
 299         @test -z "$(EXTERN_COV_DIR)" || lcov --zerocounters --directory $(EXTERN_COV_DIR)
 300         $(call retest-func)
 301         @lcov --capture --directory $(VPP_BUILD_DIR) --output-file $(BUILD_COV_DIR)/coverage.info
 302         @test -z "$(EXTERN_COV_DIR)" || lcov --capture --directory $(EXTERN_COV_DIR) --output-file $(BUILD_COV_DIR)/extern-coverage.info
 303         @genhtml $(BUILD_COV_DIR)/coverage.info --output-directory $(BUILD_COV_DIR)/html
 304         @test -z "$(EXTERN_COV_DIR)" || genhtml $(BUILD_COV_DIR)/extern-coverage.info --output-directory $(BUILD_COV_DIR)/extern-html
 305         @echo
 306         @echo "Build finished. Code coverage report is in $(BUILD_COV_DIR)/html/index.html"
 307         @test -z "$(EXTERN_COV_DIR)" || echo "Code coverage report for out-of-tree objects is in $(BUILD_COV_DIR)/extern-html/index.html"
 308
 309 .PHONY: wipe-cov
 310 wipe-cov: wipe
 311         @rm -rf $(BUILD_COV_DIR)
 312
 313 .PHONY: wipe-papi
 314 wipe-papi:
 315         @rm -rf $(PAPI_INSTALL_DONE) $(PAPI_WIPE_DIST)
 316
 317 .PHONY: wipe-all
 318 wipe-all: wipe wipe-papi wipe-doc wipe-cov
 319         @rm -rf $(TEST_BR)
 320
 321 .PHONY: checkstyle-diff
 322 checkstyle-diff: $(BUILD_TEST_SRC) $(PIP_INSTALL_DONE)
 323         @bash -c "source $(VENV_PATH)/bin/activate &&\
 324                   $(PYTHON_INTERP) -m pip install pycodestyle"
 325         @bash -c "source $(VENV_PATH)/bin/activate &&\
 326                 cd $(WS_ROOT) && git diff --name-only --no-color --relative HEAD~1 ':!*.patch' | grep '.py$$' | xargs -n 1 -I XXX \
 327                 pycodestyle --show-source --ignore=W504,E126,E241,E226,E305,E704,E741,E722 -v XXX ||\
 328                 (echo \"*********************************************************************\" &&\
 329                  echo \"* Test framework PEP8 compliance check FAILED (checked changed files)\" &&\
 330                  echo \"*********************************************************************\" &&\
 331                  false)"
 332         @echo "*********************************************************************"
 333         @echo "* Test framework PEP8 compliance check passed (checked changed files)"
 334         @echo "*********************************************************************"
 335
 336 .PHONY: checkstyle
 337 checkstyle: $(BUILD_TEST_SRC) $(PIP_INSTALL_DONE)
 338         @bash -c "source $(VENV_PATH)/bin/activate &&\
 339                   $(PYTHON_INTERP) -m pip install pycodestyle"
 340         @bash -c "source $(VENV_PATH)/bin/activate &&\
 341                 pycodestyle --show-source --ignore=W504,E126,E241,E226,E305,E704,E741,E722 -v $(BUILD_TEST_SRC)/*.py ||\
 342                 (echo \"*******************************************************************\" &&\
 343                  echo \"* Test framework PEP8 compliance check FAILED (checked all files)\" &&\
 344                  echo \"*******************************************************************\" &&\
 345                  false)"
 346         @echo "*******************************************************************"
 347         @echo "* Test framework PEP8 compliance check passed (checked all files)"
 348         @echo "*******************************************************************"
 349
 350 .PHONY: help
 351 help:
 352         @echo "Running tests:"
 353         @echo ""
 354         @echo " test                   - build and run (basic) functional tests"
 355         @echo " test-debug             - build and run (basic) functional tests (debug build)"
 356         @echo " test-all               - build and run functional and extended tests"
 357         @echo " test-all-debug         - build and run functional and extended tests (debug build)"
 358         @echo " retest                 - run functional tests"
 359         @echo " retest-debug           - run functional tests (debug build)"
 360         @echo " retest-all             - run functional and extended tests"
 361         @echo " retest-all-debug       - run functional and extended tests (debug build)"
 362         @echo " test-cov               - generate code coverage report for test framework"
 363         @echo " test-gcov                      - build and run functional tests (gcov build)"
 364
 365         @echo " test-wipe              - wipe (temporary) files generated by unit tests"
 366         @echo " test-wipe-cov          - wipe code coverage report for test framework"
 367         @echo " test-wipe-doc          - wipe documentation for test framework"
 368         @echo " test-wipe-papi         - rebuild vpp_papi sources"
 369         @echo " test-wipe-all          - wipe (temporary) files generated by unit tests, docs, and coverage"
 370         @echo " test-shell             - enter shell with test environment"
 371         @echo " test-shell-debug       - enter shell with test environment (debug build)"
 372         @echo " test-checkstyle      - check PEP8 compliance for test framework"
 373         @echo " test-refresh-deps    - refresh the Python dependencies for the tests"
 374         @echo ""
 375         @echo "Arguments controlling test runs:"
 376         @echo " V=[0|1|2]              - set test verbosity level"
 377         @echo "                          0=ERROR, 1=INFO, 2=DEBUG"
 378         @echo " TEST_JOBS=[<n>|auto]   - use <n> parallel processes for test execution or automatic discovery of maximum acceptable processes (default: 1)"
 379         @echo " CACHE_OUTPUT=[0|1]     - cache VPP stdout/stderr and log as one block after test finishes (default: 1)"
 380         @echo " FAILFAST=[0|1]         - fail fast if 1, complete all tests if 0"
 381         @echo " TIMEOUT=<timeout>      - fail test suite if any single test takes longer than <timeout> (in seconds) to finish (default: 600)"
 382         @echo " RETRIES=<n>            - retry failed tests <n> times"
 383         @echo " DEBUG=<type>           - set VPP debugging kind"
 384         @echo "    DEBUG=core          - detect coredump and load it in gdb on crash"
 385         @echo "    DEBUG=gdb           - allow easy debugging by printing VPP PID"
 386         @echo "                          and waiting for user input before running"
 387         @echo "                          and tearing down a testcase"
 388         @echo "    DEBUG=gdbserver     - run gdb inside a gdb server, otherwise"
 389         @echo "                          same as above"
 390         @echo " STEP=[yes|no]          - ease debugging by stepping through a testcase"
 391         @echo " SANITY=[yes|no]        - perform sanity import of vpp-api/sanity vpp run before running tests (default: yes)"
 392         @echo " EXTENDED_TESTS=[1|y]   - used by '[re]test-all' & '[re]test-all-debug' to run extended tests"
 393         @echo " TEST=<filter>          - filter the set of tests:"
 394         @echo "    by file-name        - only run tests from specified file, e.g. TEST=test_bfd selects all tests from test_bfd.py"
 395         @echo "    by file-suffix      - same as file-name, but 'test_' is omitted e.g. TEST=bfd selects all tests from test_bfd.py"
 396         @echo "    by wildcard         - wildcard filter is <file>.<class>.<test function>, each can be replaced by '*'"
 397         @echo "                          e.g. TEST='test_bfd.*.*' is equivalent to above example of filter by file-name"
 398         @echo "                               TEST='bfd.*.*' is equivalent to above example of filter by file-suffix"
 399         @echo "                               TEST='bfd.BFDAPITestCase.*' selects all tests from test_bfd.py which are part of BFDAPITestCase class"
 400         @echo "                               TEST='bfd.BFDAPITestCase.test_add_bfd' selects a single test named test_add_bfd from test_bfd.py/BFDAPITestCase"
 401         @echo "                               TEST='*.*.test_add_bfd' selects all test functions named test_add_bfd from all files/classes"
 402         @echo ""
 403         @echo " VARIANT=<variant>      - specify which march node variant to unit test"
 404         @echo "                          e.g. VARIANT=skx test the skx march variants"
 405         @echo "                          e.g. VARIANT=icl test the icl march variants"
 406         @echo ""
 407         @echo " VPP_ZOMBIE_NOCHECK=1   - skip checking for vpp (zombie) processes (CAUTION)"
 408         @echo " COREDUMP_SIZE=<size>   - pass <size> as unix { coredump-size <size> } argument to vpp"
 409         @echo "                          e.g. COREDUMP_SIZE=4g"
 410         @echo "                               COREDUMP_SIZE=unlimited"
 411         @echo " COREDUMP_COMPRESS=1    - compress core files if not debugging them"
 412         @echo " EXTERN_TESTS=<path>    - path to out-of-tree test_<name>.py files containing test cases"
 413         @echo " EXTERN_PLUGINS=<path>  - path to out-of-tree plugins to be loaded by vpp under test"
 414         @echo " EXTERN_COV_DIR=<path>  - path to out-of-tree prefix, where source, object and .gcda files can be found for coverage report"
 415         @echo ""
 416         @echo " PROFILE=1              - enable profiling of test framework via cProfile module"
 417         @echo " PROFILE_SORT_BY=opt    - sort profiling report by opt - consult cProfile documentation for possible values (default: cumtime)"
 418         @echo " PROFILE_OUTPUT=file    - output profiling info to file - use absolute path (default: stdout)"
 419         @echo ""
 420         @echo " TEST_DEBUG=1           - turn on debugging of the test framework itself (expert)"
 421         @echo ""
 422         @echo " SKIP_AARCH64=1         - skip tests that are failing on the ARM platorm in FD.io CI"
 423         @echo ""
 424         @echo " RND_SEED=seed          - Seed RND with given seed"
 425         @echo ""
 426         @echo "Creating test documentation"
 427         @echo " test-doc               - generate documentation for test framework"
 428         @echo " test-wipe-doc          - wipe documentation for test framework"
 429         @echo ""
 430         @echo "Creating test code coverage report"
 431         @echo " test-cov               - generate code coverage report for test framework"
 432         @echo " test-wipe-cov          - wipe code coverage report for test framework"
 433         @echo ""
 434         @echo "Verifying code-style"
 435         @echo " test-checkstyle        - check PEP8 compliance"
 436         @echo ""