diff options
| -rw-r--r-- | lib/Kconfig.debug | 32 | ||||
| -rw-r--r-- | lib/tests/module/Makefile | 17 | ||||
| -rwxr-xr-x | lib/tests/module/gen_test_kallsyms.sh | 9 | ||||
| -rwxr-xr-x | tools/testing/selftests/module/find_symbol.sh | 4 |
4 files changed, 48 insertions, 14 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f340017585c5..f3d723705879 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -3003,9 +3003,39 @@ config TEST_KALLSYMS_D tristate depends on m +choice + prompt "Kallsym test range" + default TEST_KALLSYMS_LARGE + help + Selecting something other than "Fast" will enable tests which slow + down the build and may crash your build. + +config TEST_KALLSYMS_FAST + bool "Fast builds" + help + You won't really be testing kallsysms, so this just helps fast builds + when allmodconfig is used.. + +config TEST_KALLSYMS_LARGE + bool "Enable testing kallsyms with large exports" + help + This will enable larger number of symbols. This will slow down + your build considerably. + +config TEST_KALLSYMS_MAX + bool "Known kallsysms limits" + help + This will enable exports to the point we know we'll start crashing + builds. + +endchoice + config TEST_KALLSYMS_NUMSYMS int "test kallsyms number of symbols" - default 100 + range 2 10000 + default 2 if TEST_KALLSYMS_FAST + default 100 if TEST_KALLSYMS_LARGE + default 10000 if TEST_KALLSYMS_MAX help The number of symbols to create on TEST_KALLSYMS_A, only one of which module TEST_KALLSYMS_B will use. This also will be used diff --git a/lib/tests/module/Makefile b/lib/tests/module/Makefile index af5c27b996cb..2f3e1a772c2c 100644 --- a/lib/tests/module/Makefile +++ b/lib/tests/module/Makefile @@ -3,13 +3,12 @@ obj-$(CONFIG_TEST_KALLSYMS_B) += test_kallsyms_b.o obj-$(CONFIG_TEST_KALLSYMS_C) += test_kallsyms_c.o obj-$(CONFIG_TEST_KALLSYMS_D) += test_kallsyms_d.o -$(obj)/%.c: FORCE - @$(kecho) " GEN $@" - $(Q)$(srctree)/lib/tests/module/gen_test_kallsyms.sh $@\ - $(CONFIG_TEST_KALLSYMS_NUMSYMS) \ - $(CONFIG_TEST_KALLSYMS_SCALE_FACTOR) +quiet_cmd_gen_test_kallsyms = GEN $@ + cmd_gen_test_kallsyms = $< $@ \ + $(CONFIG_TEST_KALLSYMS_NUMSYMS) \ + $(CONFIG_TEST_KALLSYMS_SCALE_FACTOR) -clean-files += test_kallsyms_a.c -clean-files += test_kallsyms_b.c -clean-files += test_kallsyms_c.c -clean-files += test_kallsyms_d.c +$(obj)/%.c: $(src)/gen_test_kallsyms.sh FORCE + $(call if_changed,gen_test_kallsyms) + +targets += $(foreach x, a b c d, test_kallsyms_$(x).c) diff --git a/lib/tests/module/gen_test_kallsyms.sh b/lib/tests/module/gen_test_kallsyms.sh index 3f2c626350ad..561dcac0f359 100755 --- a/lib/tests/module/gen_test_kallsyms.sh +++ b/lib/tests/module/gen_test_kallsyms.sh @@ -7,6 +7,11 @@ NUM_SYMS=$2 SCALE_FACTOR=$3 TEST_TYPE=$(echo $TARGET | sed -e 's|lib/tests/module/test_kallsyms_||g') TEST_TYPE=$(echo $TEST_TYPE | sed -e 's|.c||g') +FIRST_B_LOOKUP=1 + +if [[ $NUM_SYMS -gt 2 ]]; then + FIRST_B_LOOKUP=$((NUM_SYMS/2)) +fi gen_template_module_header() { @@ -52,10 +57,10 @@ ____END_MODULE gen_template_module_data_b() { - printf "\nextern int auto_test_a_%010d;\n\n" 28 + printf "\nextern int auto_test_a_%010d;\n\n" $FIRST_B_LOOKUP echo "static int auto_runtime_test(void)" echo "{" - printf "\nreturn auto_test_a_%010d;\n" 28 + printf "\nreturn auto_test_a_%010d;\n" $FIRST_B_LOOKUP echo "}" } diff --git a/tools/testing/selftests/module/find_symbol.sh b/tools/testing/selftests/module/find_symbol.sh index 140364d3c49f..2c56805c9b6e 100755 --- a/tools/testing/selftests/module/find_symbol.sh +++ b/tools/testing/selftests/module/find_symbol.sh @@ -44,10 +44,10 @@ load_mod() local ARCH="$(uname -m)" case "${ARCH}" in x86_64) - perf stat $STATS $MODPROBE test_kallsyms_b + perf stat $STATS $MODPROBE $MOD ;; *) - time $MODPROBE test_kallsyms_b + time $MODPROBE $MOD exit 1 ;; esac |