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 = $(TEST_DIR)
  17 FAILED_DIR=/tmp/vpp-failed-unittests/
  18 VPP_TEST_DIRS=$(shell ls -d $(TEST_DIR) $(EXTERN_TESTS))
  19
  20 FORCE_NO_WIPE=0
  21 ifeq ($(DEBUG),gdb)
  22 FORCE_FOREGROUND=1
  23 else ifeq ($(DEBUG),gdbserver)
  24 FORCE_FOREGROUND=1
  25 else ifeq ($(DEBUG),gdb-all)
  26 FORCE_FOREGROUND=1
  27 else ifeq ($(DEBUG),gdbserver-all)
  28 FORCE_FOREGROUND=1
  29 else ifeq ($(DEBUG),core)
  30 FORCE_FOREGROUND=1
  31 else ifeq ($(DEBUG),attach)
  32 FORCE_FOREGROUND=1
  33 FORCE_NO_WIPE=1
  34 else ifeq ($(STEP),yes)
  35 FORCE_FOREGROUND=1
  36 else ifeq ($(STEP),y)
  37 FORCE_FOREGROUND=1
  38 else ifeq ($(STEP),1)
  39 FORCE_FOREGROUND=1
  40 else
  41 FORCE_FOREGROUND=0
  42 endif
  43
  44 ifdef PROFILE_OUTPUT
  45 PROFILE_OUTPUT_OPTS=-o $(PROFILE_OUTPUT)
  46 endif
  47
  48 ifndef PROFILE_SORT_BY
  49 PROFILE_SORT_BY=cumtime
  50 endif
  51
  52 ifeq ($(PROFILE),1)
  53 PYTHON_OPTS="-m cProfile $(PROFILE_OUTPUT_OPTS) -s $(PROFILE_SORT_BY)"
  54 FORCE_FOREGROUND=1
  55 endif
  56
  57 VENV_PATH=$(TEST_DIR)/venv
  58
  59 ifeq ($(TEST_DEBUG),1)
  60 VENV_RUN_DIR:=$(VENV_PATH)/run-debug
  61 else
  62 VENV_RUN_DIR:=$(VENV_PATH)/run
  63 endif
  64
  65 ifeq ($(PYTHON),)
  66 PYTHON_INTERP=python3
  67 else
  68 PYTHON_INTERP=$(PYTHON)
  69 endif
  70
  71 ifeq ($(V),)
  72 V=0
  73 endif
  74
  75 PYTHON_VERSION=$(shell $(PYTHON_INTERP) -c 'import sys; print(sys.version_info.major)')
  76 PIP_VERSION=22.0.3
  77 # Keep in sync with requirements.txt
  78 PIP_TOOLS_VERSION=6.5.0
  79 PIP_SETUPTOOLS_VERSION=60.7.1
  80 PYTHON_DEPENDS=requirements-$(PYTHON_VERSION).txt
  81 SCAPY_SOURCE=$(shell find $(VENV_PATH)/lib/python* -name site-packages)
  82 BUILD_COV_DIR=$(TEST_BR)/coverage
  83
  84 PIP_TOOLS_INSTALL_DONE=$(VENV_RUN_DIR)/pip-tools-install-$(PYTHON_VERSION)-$(PIP_TOOLS_VERSION).done
  85 PIP_INSTALL_DONE=$(VENV_RUN_DIR)/pip-install-$(PYTHON_VERSION)-$(PIP_VERSION).done
  86 PIP_PATCH_DONE=$(VENV_RUN_DIR)/pip-patch-$(PYTHON_VERSION).done
  87 PAPI_INSTALL_DONE=$(VENV_RUN_DIR)/papi-install-$(PYTHON_VERSION).done
  88 PAPI_PYTHON_SRC_DIR=$(WS_ROOT)/src/vpp-api/python
  89 PAPI_WIPE_DIST=$(WS_ROOT)/src/vpp-api/vapi/__pycache__ \
  90         $(PAPI_PYTHON_SRC_DIR)/build \
  91         $(PAPI_PYTHON_SRC_DIR)/vpp_papi.egg-info \
  92         $(PAPI_PYTHON_SRC_DIR)/vpp_papi/__pycache__
  93
  94 $(PIP_TOOLS_INSTALL_DONE):
  95         @rm -rf $(VENV_PATH)
  96         @mkdir -p $(VENV_RUN_DIR)
  97         @$(PYTHON_INTERP) -m venv $(VENV_PATH)
  98         # pip version pinning
  99         @bash -c "source $(VENV_PATH)/bin/activate && \
 100                   python3 -m pip install pip===$(PIP_VERSION)"
 101         @bash -c "source $(VENV_PATH)/bin/activate && \
 102                   python3 -m pip install pip-tools===$(PIP_TOOLS_VERSION)"
 103         @bash -c "source $(VENV_PATH)/bin/activate && \
 104                   python3 -m pip install setuptools===$(PIP_SETUPTOOLS_VERSION)"
 105         @touch $@
 106
 107 $(PYTHON_DEPENDS): requirements.txt
 108         @bash -c "source $(VENV_PATH)/bin/activate && \
 109                   CUSTOM_COMPILE_COMMAND='make test-refresh-deps (or update requirements.txt)' \
 110                   python3 -m piptools compile -q --generate-hashes requirements.txt --output-file $@"
 111
 112 $(PIP_INSTALL_DONE): $(PIP_TOOLS_INSTALL_DONE) $(PYTHON_DEPENDS)
 113         @bash -c "source $(VENV_PATH)/bin/activate && \
 114                   python3 -m piptools sync $(PYTHON_DEPENDS)"
 115         @touch $@
 116
 117 $(PIP_PATCH_DONE): $(PIP_INSTALL_DONE)
 118         @echo --- patching ---
 119         @sleep 1 # Ensure python recompiles patched *.py files -> *.pyc
 120         for f in $(CURDIR)/patches/scapy-2.4.3/*.patch ; do \
 121                 echo Applying patch: $$(basename $$f) ; \
 122                 patch --forward -p1 -d $(SCAPY_SOURCE) < $$f ; \
 123                 retCode=$$?; \
 124                 [ $$retCode -gt 1 ] && exit $$retCode; \
 125         done; \
 126         touch $@
 127
 128 $(PAPI_INSTALL_DONE): $(PIP_PATCH_DONE)
 129         @bash -c "source $(VENV_PATH)/bin/activate && python3 -m pip install -e $(PAPI_PYTHON_SRC_DIR)"
 130         @touch $@
 131
 132 .PHONY: refresh-deps
 133 refresh-deps: clean-deps $(PYTHON_DEPENDS)
 134
 135 .PHONY: clean-deps
 136 clean-deps:
 137         @rm -f $(PYTHON_DEPENDS)
 138
 139 INTERN_PLUGIN_SRC_DIR=$(WS_ROOT)/src/plugins
 140 ifneq ($(EXTERN_PLUGIN_SRC_DIR),)
 141 PLUGIN_SRC_DIR=$(EXTERN_PLUGIN_SRC_DIR)
 142 else
 143 PLUGIN_SRC_DIR=$(INTERN_PLUGIN_SRC_DIR)
 144 endif
 145
 146 .PHONY: sanity
 147
 148 ifndef TEST_JOBS
 149 PARALLEL_ILLEGAL=0
 150 TEST_JOBS=1
 151 else ifeq ($(FORCE_FOREGROUND),0)
 152 PARALLEL_ILLEGAL=0
 153 else ifneq ($(findstring $(TEST_JOBS),1 auto),)
 154 PARALLEL_ILLEGAL=0
 155 else
 156 PARALLEL_ILLEGAL=1
 157 endif
 158
 159 ifneq ($(DEBUG),)
 160 SANITY=no
 161 endif
 162
 163 ifneq ($(findstring $(SANITY),0 n no),)
 164 SANITY_IMPORT_VPP_PAPI_CMD=true
 165 ARG0=
 166 else
 167 SANITY_IMPORT_VPP_PAPI_CMD=source $(VENV_PATH)/bin/activate && $(PYTHON_INTERP) sanity_import_vpp_papi.py
 168 ARG0=--sanity
 169 endif
 170
 171 ARG1=
 172 ifneq ($(findstring $(FAILFAST),1 y yes),)
 173 ARG1=--failfast
 174 endif
 175
 176 ARG2=
 177 ifneq ($(findstring $(EXTENDED_TESTS),1 y yes),)
 178 ARG2=--extended
 179 endif
 180
 181 ARG3=
 182 ifneq ($(EXTERN_TESTS),)
 183 ARG3=--test-src-dir $(EXTERN_TESTS)
 184 endif
 185
 186 ARG4=
 187 ifneq ($(findstring $(FORCE_FOREGROUND),1 y yes),)
 188 ARG4=--force-foreground
 189 endif
 190
 191 ARG5=
 192 ifneq ($(findstring $(COREDUMP_COMPRESS),1 y yes),)
 193 ARG5=--compress-core
 194 endif
 195
 196 ARG6=
 197 ifneq ($(findstring $(STEP),1 y yes),)
 198 ARG6=--step
 199 endif
 200
 201 ARG7=
 202 ifneq ($(findstring $(TESTS_GCOV),1 y yes),)
 203 ARG7=--gcov
 204 endif
 205
 206 ARG8=
 207 ifneq ($(EXTERN_PLUGINS),)
 208 ARG8=--extern-plugin-dir=$(EXTERN_PLUGINS)
 209 endif
 210
 211 ARG9=
 212 ifneq ($(DEBUG),)
 213 ARG9=--debug=$(DEBUG)
 214 endif
 215
 216 ARG10=
 217 ifneq ($(COREDUMP_SIZE),)
 218 ARG10=--coredump-size=$(COREDUMP_SIZE)
 219 endif
 220
 221 ARG11=
 222 ifneq ($(VARIANT),)
 223 ARG11=--variant=$(VARIANT)
 224 endif
 225
 226 ARG12=--cache-vpp-output
 227 ifneq ($(findstring $(CACHE_OUTPUT),0 n no),)
 228 ARG12=
 229 endif
 230
 231 ARG13=
 232 ifneq ($(MAX_VPP_CPUS),)
 233 ARG13=--max-vpp-cpus=$(MAX_VPP_CPUS)
 234 endif
 235
 236 ARG14=
 237 ifneq ($(TIMEOUT),)
 238 ARG14=--timeout=$(TIMEOUT)
 239 endif
 240
 241 ARG15=
 242 ifneq ($(findstring $(TEST_DEBUG),1 y yes),)
 243 ARG15=--debug-framework
 244 endif
 245
 246 ARG16=
 247 ifneq ($(findstring $(API_FUZZ),1 y yes),)
 248 ARG16=--api-fuzz=on
 249 endif
 250
 251 EXTRA_ARGS=$(ARG0) $(ARG1) $(ARG2) $(ARG3) $(ARG4) $(ARG5) $(ARG6) $(ARG7) $(ARG8) $(ARG9) $(ARG10) $(ARG11) $(ARG12) $(ARG13) $(ARG14) $(ARG15) $(ARG16)
 252
 253 RUN_TESTS_ARGS=--failed-dir=$(FAILED_DIR) --verbose=$(V) --jobs=$(TEST_JOBS) --filter=$(TEST) --retries=$(RETRIES) --venv-dir=$(VENV_PATH) --vpp-ws-dir=$(WS_ROOT) --vpp-tag=$(TAG) --rnd-seed=$(RND_SEED) --vpp-worker-count="$(VPP_WORKER_COUNT)" --keep-pcaps $(PLUGIN_PATH_ARGS) $(TEST_PLUGIN_PATH_ARGS) $(EXTRA_ARGS)
 254 RUN_SCRIPT_ARGS=--python-opts=$(PYTHON_OPTS)
 255
 256 define retest-func
 257 @scripts/run.sh $(RUN_SCRIPT_ARGS) $(RUN_TESTS_ARGS) || env FAILED_DIR=$(FAILED_DIR) COMPRESS_FAILED_TEST_LOGS=$(COMPRESS_FAILED_TEST_LOGS) scripts/compress_failed.sh
 258 endef
 259
 260 sanity: test-dep
 261         @bash -c "test $(PARALLEL_ILLEGAL) -eq 0 ||\
 262             (echo \"*******************************************************************\" &&\
 263                  echo \"* Sanity check failed, TEST_JOBS is not 1 or 'auto' and DEBUG, STEP or PROFILE is set\" &&\
 264                  echo \"*******************************************************************\" &&\
 265                  false)"
 266         @bash -c "$(SANITY_IMPORT_VPP_PAPI_CMD) ||\
 267                 (echo \"*******************************************************************\" &&\
 268                  echo \"* Sanity check failed, cannot import vpp_papi\" &&\
 269                  echo \"* to debug: \" &&\
 270                  echo \"* 1. enter test shell:   make test-shell\" &&\
 271                  echo \"* 2. execute debugger:   gdb python -ex 'run sanity_import_vpp_papi.py'\" &&\
 272                  echo \"*******************************************************************\" &&\
 273                  false)"
 274
 275 $(FAILED_DIR): reset
 276         @mkdir -p $@
 277
 278 .PHONY: test-dep
 279 test-dep: $(PAPI_INSTALL_DONE) $(FAILED_DIR)
 280
 281 .PHONY: test
 282 test: test-dep sanity
 283         $(call retest-func)
 284
 285 .PHONY: retest
 286 retest: verify-env sanity $(FAILED_DIR)
 287         $(call retest-func)
 288
 289 .PHONY: shell
 290 shell: test-dep
 291         @echo "source $(VENV_PATH)/bin/activate;\
 292                 export RND_SEED=$(RND_SEED);\
 293                 echo '***';\
 294                 echo PYTHONPATH=$(PYTHONPATH);\
 295                 echo RND_SEED=$(RND_SEED);\
 296                 echo VPP_BUILD_DIR=$(VPP_BUILD_DIR);\
 297                 echo VPP_PLUGIN_PATH=$(VPP_PLUGIN_PATH);\
 298                 echo VPP_TEST_PLUGIN_PATH=$(VPP_TEST_PLUGIN_PATH);\
 299                 echo VPP_INSTALL_PATH=$(VPP_INSTALL_PATH);\
 300                 echo EXTERN_TESTS=$(EXTERN_TESTS);\
 301                 echo EXTERN_PLUGINS=$(EXTERN_PLUGINS);\
 302         echo EXTERN_COV_DIR=$(EXTERN_COV_DIR);\
 303                 echo LD_LIBRARY_PATH=$(LD_LIBRARY_PATH);\
 304                 echo '***';\
 305                 exec </dev/tty" | bash -i
 306
 307 .PHONY: reset
 308 reset:
 309         @rm -f /dev/shm/vpp-unittest-*
 310         @if [ $(FORCE_NO_WIPE) -eq "0" ] ; then rm -rf /tmp/vpp-unittest-*;  fi
 311         @rm -f /tmp/api_post_mortem.*
 312         @rm -rf $(FAILED_DIR)
 313
 314 .PHONY: wipe
 315 wipe: reset
 316         @rm -rf $(VENV_PATH)
 317         @rm -rf $(patsubst %,%/__pycache__, $(VPP_TEST_DIRS))
 318
 319 $(BUILD_COV_DIR):
 320         @mkdir -p $@
 321
 322 .PHONY: cov
 323 cov: wipe-cov test-dep ext $(BUILD_COV_DIR)
 324         @lcov --zerocounters --directory $(VPP_BUILD_DIR)
 325         @test -z "$(EXTERN_COV_DIR)" || lcov --zerocounters --directory $(EXTERN_COV_DIR)
 326         $(call retest-func)
 327         @lcov --capture --directory $(VPP_BUILD_DIR) --output-file $(BUILD_COV_DIR)/coverage.info
 328         @test -z "$(EXTERN_COV_DIR)" || lcov --capture --directory $(EXTERN_COV_DIR) --output-file $(BUILD_COV_DIR)/extern-coverage.info
 329         @genhtml $(BUILD_COV_DIR)/coverage.info --output-directory $(BUILD_COV_DIR)/html
 330         @test -z "$(EXTERN_COV_DIR)" || genhtml $(BUILD_COV_DIR)/extern-coverage.info --output-directory $(BUILD_COV_DIR)/extern-html
 331         @echo
 332         @echo "Build finished. Code coverage report is in $(BUILD_COV_DIR)/html/index.html"
 333         @test -z "$(EXTERN_COV_DIR)" || echo "Code coverage report for out-of-tree objects is in $(BUILD_COV_DIR)/extern-html/index.html"
 334
 335 .PHONY: wipe-cov
 336 wipe-cov: wipe
 337         @rm -rf $(BUILD_COV_DIR)
 338
 339 .PHONY: wipe-papi
 340 wipe-papi:
 341         @rm -rf $(PAPI_INSTALL_DONE) $(PAPI_WIPE_DIST)
 342
 343 .PHONY: wipe-all
 344 wipe-all: wipe wipe-papi wipe-cov
 345         @rm -rf $(TEST_BR)
 346
 347 .PHONY: checkstyle-diff
 348 checkstyle-diff: $(PIP_INSTALL_DONE)
 349         @bash -c "source $(VENV_PATH)/bin/activate &&\
 350                   python3 -m pip install pycodestyle"
 351         @bash -c "source $(VENV_PATH)/bin/activate &&\
 352                 cd $(WS_ROOT) && git diff --name-only --no-color --relative HEAD~1 ':!*.patch' | grep '.py$$' | xargs -I XXX \
 353                 pycodestyle --show-source --ignore=W504,E126,E241,E226,E305,E704,E741,E722 -v XXX ||\
 354                 (echo \"*********************************************************************\" &&\
 355                  echo \"* Test framework PEP8 compliance check FAILED (checked changed files)\" &&\
 356                  echo \"*********************************************************************\" &&\
 357                  false)"
 358         @echo "*********************************************************************"
 359         @echo "* Test framework PEP8 compliance check passed (checked changed files)"
 360         @echo "*********************************************************************"
 361
 362 .PHONY: start-gdb
 363 start-gdb: sanity
 364         @bash -c "source $(VENV_PATH)/bin/activate && python3 -c 'from debug import start_vpp_in_gdb; start_vpp_in_gdb()' $(RUN_TESTS_ARGS)"
 365
 366 .PHONY: checkstyle
 367 checkstyle: $(PIP_INSTALL_DONE)
 368         @bash -c "source $(VENV_PATH)/bin/activate &&\
 369                   python3 -m pip install pycodestyle"
 370         @bash -c "source $(VENV_PATH)/bin/activate &&\
 371                 pycodestyle --show-source --ignore=W504,E126,E241,E226,E305,E704,E741,E722 -v *.py ||\
 372                 (echo \"*******************************************************************\" &&\
 373                  echo \"* Test framework PEP8 compliance check FAILED (checked all files)\" &&\
 374                  echo \"*******************************************************************\" &&\
 375                  false)"
 376         @echo "*******************************************************************"
 377         @echo "* Test framework PEP8 compliance check passed (checked all files)"
 378         @echo "*******************************************************************"
 379
 380 .PHONY: help
 381 help:
 382         @echo "Running tests:"
 383         @echo ""
 384         @echo " test                   - build and run (basic) functional tests"
 385         @echo " test-debug             - build and run (basic) functional tests (debug build)"
 386         @echo " test-all               - build and run functional and extended tests"
 387         @echo " test-all-debug         - build and run functional and extended tests (debug build)"
 388         @echo " retest                 - run functional tests"
 389         @echo " retest-debug           - run functional tests (debug build)"
 390         @echo " retest-all             - run functional and extended tests"
 391         @echo " retest-all-debug       - run functional and extended tests (debug build)"
 392         @echo " test-cov               - generate code coverage report for test framework"
 393         @echo " test-gcov                      - build and run functional tests (gcov build)"
 394         @echo " test-wipe              - wipe (temporary) files generated by unit tests"
 395         @echo " test-wipe-cov          - wipe code coverage report for test framework"
 396         @echo " test-wipe-papi         - rebuild vpp_papi sources"
 397         @echo " test-wipe-all          - wipe (temporary) files generated by unit tests, and coverage"
 398         @echo " test-shell             - enter shell with test environment"
 399         @echo " test-shell-debug       - enter shell with test environment (debug build)"
 400         @echo " test-checkstyle        - check PEP8 compliance for test framework"
 401         @echo " test-refresh-deps      - refresh the Python dependencies for the tests"
 402         @echo ""
 403         @echo "Arguments controlling test runs:"
 404         @echo ""
 405         @echo " V=[0|1|2]              - set test verbosity level"
 406         @echo "                          0=ERROR, 1=INFO, 2=DEBUG"
 407         @echo " TEST_JOBS=[<n>|auto]   - use at most <n> parallel python processes for test execution, if auto, set to number of available cpus (default: 1)"
 408         @echo " MAX_VPP_CPUS=[<n>|auto]- use at most <n> cpus for running vpp main and worker threads, if auto, set to number of available cpus (default: auto)"
 409         @echo " CACHE_OUTPUT=[0|n|no]  - disable cache VPP stdout/stderr and log as one block after test finishes (default: yes)"
 410         @echo " FAILFAST=[1|y|yes]     - fail fast if 1, otherwise complete all tests"
 411         @echo " TIMEOUT=<timeout>      - fail test suite if any single test takes longer than <timeout> (in seconds) to finish (default: 600)"
 412         @echo " RETRIES=<n>            - retry failed tests <n> times"
 413         @echo " DEBUG=<type>           - set VPP debugging kind"
 414         @echo "    DEBUG=core          - detect coredump and load it in gdb on crash"
 415         @echo "    DEBUG=gdb           - allow easy debugging by printing VPP PID"
 416         @echo "                          and waiting for user input before running"
 417         @echo "                          and tearing down a testcase"
 418         @echo "    DEBUG=gdbserver     - run gdb inside a gdb server, otherwise"
 419         @echo "                          same as above"
 420         @echo "    DEBUG=attach        - attach test case to already running vpp in gdb (see test-start-vpp-in-gdb)"
 421         @echo " STEP=[1|y|yes]         - enable stepping through a testcase (for testcase debugging)"
 422         @echo " SANITY=[0|n|no]        - disable sanity import of vpp-api/sanity vpp run before running tests"
 423         @echo " EXTENDED_TESTS=[1|y|yes] - run extended tests"
 424         @echo " TEST=<filter>          - filter the set of tests:"
 425         @echo "    by file-name        - only run tests from specified file, e.g. TEST=test_bfd selects all tests from test_bfd.py"
 426         @echo "    by file-suffix      - same as file-name, but 'test_' is omitted e.g. TEST=bfd selects all tests from test_bfd.py"
 427         @echo "    by wildcard         - wildcard filter is <file>.<class>.<test function>, each can be replaced by '*'"
 428         @echo "                          e.g. TEST='test_bfd.*.*' is equivalent to above example of filter by file-name"
 429         @echo "                               TEST='bfd.*.*' is equivalent to above example of filter by file-suffix"
 430         @echo "                               TEST='bfd.BFDAPITestCase.*' selects all tests from test_bfd.py which are part of BFDAPITestCase class"
 431         @echo "                               TEST='bfd.BFDAPITestCase.test_add_bfd' selects a single test named test_add_bfd from test_bfd.py/BFDAPITestCase"
 432         @echo "                               TEST='*.*.test_add_bfd' selects all test functions named test_add_bfd from all files/classes"
 433         @echo " VARIANT=<variant>      - specify which march node variant to unit test"
 434         @echo "                          e.g. VARIANT=skx test the skx march variants"
 435         @echo "                          e.g. VARIANT=icl test the icl march variants"
 436         @echo " COREDUMP_SIZE=<size>   - pass <size> as unix { coredump-size <size> } argument to vpp"
 437         @echo "                          e.g. COREDUMP_SIZE=4g"
 438         @echo "                               COREDUMP_SIZE=unlimited"
 439         @echo " COREDUMP_COMPRESS=[1|y|yes] - compress core files if not debugging them"
 440         @echo " EXTERN_TESTS=<path>    - path to out-of-tree test_<name>.py files containing test cases"
 441         @echo " EXTERN_PLUGINS=<path>  - path to out-of-tree plugins to be loaded by vpp under test"
 442         @echo " EXTERN_COV_DIR=<path>  - path to out-of-tree prefix, where source, object and .gcda files can be found for coverage report"
 443         @echo " PROFILE=[1|y|yes]      - enable profiling of test framework via cProfile module"
 444         @echo " PROFILE_SORT_BY=opt    - sort profiling report by opt - consult cProfile documentation for possible values (default: cumtime)"
 445         @echo " PROFILE_OUTPUT=file    - output profiling info to file - use absolute path (default: stdout)"
 446         @echo " TEST_DEBUG=[1|y|yes]   - enable debugging of the test framework itself (expert)"
 447         @echo " API_FUZZ=[1|y|yes]     - enable VPP api fuzz testing"
 448         @echo " RND_SEED=<seed>        - Seed RND with given seed"
 449         @echo ""
 450         @echo "Starting VPP in GDB for use with DEBUG=attach:"
 451         @echo ""
 452         @echo " test-start-vpp-in-gdb       - start VPP in gdb (release)"
 453         @echo " test-start-vpp-debug-in-gdb - start VPP in gdb (debug)"
 454         @echo ""
 455         @echo "Creating test code coverage report:"
 456         @echo ""
 457         @echo " test-cov               - generate code coverage report for test framework"
 458         @echo " test-wipe-cov          - wipe code coverage report for test framework"
 459         @echo ""
 460         @echo "Verifying code-style:"
 461         @echo ""
 462         @echo " test-checkstyle        - check PEP8 compliance"
 463         @echo ""