linux-kselftest-5.4-rc3
This Kselftest update for Linux 5.4-rc3 consists fixes for existing tests and the framework. Cristian Marussi's patches add ability to skip targets (tests) and exclude tests that didn't build from run-list. These patches improve the Kselftest results. Ability to skip targets helps avoid running tests that aren't supported in certain environments. As an example, bpf tests from mainline aren't supported on stable kernels and have dependency on bleeding edge llvm. Being able to skip bpf on systems that can't meet this llvm dependency will be helpful. Kselftest can be built and installed from the main Makefile. This change help simplify Kselftest use-cases which addresses request from users. Kees Cook added per test timeout support to limit individual test run-time. -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEPZKym/RZuOCGeA/kCwJExA0NQxwFAl2bntwACgkQCwJExA0N QxznkA//cY2Y3UGMoUx08qnLc97cQb95OXodE3m3fcfyH/NoY6R/RAMx+2NSYhLO kbmpmo+6S94bgekGBzdnki/OzCoVR0d1dkxPImcxXl1zf/fs7eMgZ77Br1nQWfPP 2WfFv7xNYnuws1Ybnz83eN+6ZQ+/AjEbHcqcufWDj/D2AQDTxF/2PXHeD42azJgG 11EAxhCEbSb8x0ZDAeHTELvZ0gIfdWYNmOXFUHgJSW4nVYYhFNcvbq2nukmugkub MMWBcM6B354bAx8EoMSnBQ/1WWYszs0SqkbVce3iDh8z9R/sLFmUthljK9LR0EpW okfJVHF0jGSWdwnruyES8Mp7/65RBu6bkVnbdFcYW1nIw4erfzYacUBXK8WZe88g p5lkY1OlDbPrUcjIN1VpVw4FZt1fktXAwbTIn+xOUI9R5njv94tFNUDaQm3epKwC fKB1jXv8jAZ8Ho2uw4ikLW8mie9Kd9c/8PK8JoEtgXCtAxOv9/wUb6whHPvUOYeu B2G5ITyTJF3yYrTaPliHqb2C5cCVN0XcF5VLKQRR+RpQn4///9duQQcEEOJsKHOC q3SMjjhXRJfgYDLcpIRDn6uqaDwC+giWOaMq6f/QHpmsWL0eT7DJ+8lLCgpV3Bm2 JytbiXpeUigRZCdH0xs+wp23xPRAtKlf7DlGQhOb/v9v4rp/8MY= =vdrT -----END PGP SIGNATURE----- Merge tag 'linux-kselftest-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull Kselftest fixes from Shuah Khan: "Fixes for existing tests and the framework. Cristian Marussi's patches add the ability to skip targets (tests) and exclude tests that didn't build from run-list. These patches improve the Kselftest results. Ability to skip targets helps avoid running tests that aren't supported in certain environments. As an example, bpf tests from mainline aren't supported on stable kernels and have dependency on bleeding edge llvm. Being able to skip bpf on systems that can't meet this llvm dependency will be helpful. Kselftest can be built and installed from the main Makefile. This change help simplify Kselftest use-cases which addresses request from users. Kees Cook added per test timeout support to limit individual test run-time" * tag 'linux-kselftest-5.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests: watchdog: Add command line option to show watchdog_info selftests: watchdog: Validate optional file argument selftests/kselftest/runner.sh: Add 45 second timeout per test kselftest: exclude failed TARGETS from runlist kselftest: add capability to skip chosen TARGETS selftests: Add kselftest-all and kselftest-install targets
This commit is contained in:
Linus Torvalds
Коммит
f54e66ae77
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@ -89,6 +89,22 @@ To build, save output files in a separate directory with KBUILD_OUTPUT ::
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$ export KBUILD_OUTPUT=/tmp/kselftest; make TARGETS="size timers" kselftest
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Additionally you can use the "SKIP_TARGETS" variable on the make command
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line to specify one or more targets to exclude from the TARGETS list.
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To run all tests but a single subsystem::
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$ make -C tools/testing/selftests SKIP_TARGETS=ptrace run_tests
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You can specify multiple tests to skip::
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$ make SKIP_TARGETS="size timers" kselftest
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You can also specify a restricted list of tests to run together with a
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dedicated skiplist::
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$ make TARGETS="bpf breakpoints size timers" SKIP_TARGETS=bpf kselftest
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See the top-level tools/testing/selftests/Makefile for the list of all
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possible targets.
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5
Makefile
5
Makefile
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@ -1217,9 +1217,8 @@ PHONY += kselftest
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kselftest:
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$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests run_tests
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PHONY += kselftest-clean
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kselftest-clean:
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$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests clean
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kselftest-%: FORCE
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$(Q)$(MAKE) -C $(srctree)/tools/testing/selftests $*
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PHONY += kselftest-merge
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kselftest-merge:
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@ -63,6 +63,13 @@ TARGETS += zram
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TARGETS_HOTPLUG = cpu-hotplug
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TARGETS_HOTPLUG += memory-hotplug
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# User can optionally provide a TARGETS skiplist.
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SKIP_TARGETS ?=
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ifneq ($(SKIP_TARGETS),)
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TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
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override TARGETS := $(TMP)
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endif
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# Clear LDFLAGS and MAKEFLAGS if called from main
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# Makefile to avoid test build failures when test
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# Makefile doesn't have explicit build rules.
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@ -171,9 +178,12 @@ run_pstore_crash:
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# 1. output_dir=kernel_src
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# 2. a separate output directory is specified using O= KBUILD_OUTPUT
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# 3. a separate output directory is specified using KBUILD_OUTPUT
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# Avoid conflict with INSTALL_PATH set by the main Makefile
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#
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INSTALL_PATH ?= $(BUILD)/install
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INSTALL_PATH := $(abspath $(INSTALL_PATH))
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KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
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KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
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# Avoid changing the rest of the logic here and lib.mk.
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INSTALL_PATH := $(KSFT_INSTALL_PATH)
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ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
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install: all
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@ -198,11 +208,16 @@ ifdef INSTALL_PATH
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echo " cat /dev/null > \$$logfile" >> $(ALL_SCRIPT)
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echo "fi" >> $(ALL_SCRIPT)
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@# While building run_kselftest.sh skip also non-existent TARGET dirs:
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@# they could be the result of a build failure and should NOT be
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@# included in the generated runlist.
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for TARGET in $(TARGETS); do \
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BUILD_TARGET=$$BUILD/$$TARGET; \
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[ ! -d $$INSTALL_PATH/$$TARGET ] && echo "Skipping non-existent dir: $$TARGET" && continue; \
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echo "[ -w /dev/kmsg ] && echo \"kselftest: Running tests in $$TARGET\" >> /dev/kmsg" >> $(ALL_SCRIPT); \
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echo "cd $$TARGET" >> $(ALL_SCRIPT); \
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echo -n "run_many" >> $(ALL_SCRIPT); \
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echo -n "Emit Tests for $$TARGET\n"; \
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$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET -C $$TARGET emit_tests >> $(ALL_SCRIPT); \
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echo "" >> $(ALL_SCRIPT); \
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echo "cd \$$ROOT" >> $(ALL_SCRIPT); \
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@ -3,9 +3,14 @@
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#
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# Runs a set of tests in a given subdirectory.
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export skip_rc=4
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export timeout_rc=124
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export logfile=/dev/stdout
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export per_test_logging=
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# Defaults for "settings" file fields:
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# "timeout" how many seconds to let each test run before failing.
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export kselftest_default_timeout=45
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# There isn't a shell-agnostic way to find the path of a sourced file,
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# so we must rely on BASE_DIR being set to find other tools.
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if [ -z "$BASE_DIR" ]; then
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@ -24,6 +29,16 @@ tap_prefix()
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fi
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}
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tap_timeout()
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{
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# Make sure tests will time out if utility is available.
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if [ -x /usr/bin/timeout ] ; then
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/usr/bin/timeout "$kselftest_timeout" "$1"
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else
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"$1"
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fi
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}
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run_one()
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{
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DIR="$1"
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@ -32,6 +47,18 @@ run_one()
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BASENAME_TEST=$(basename $TEST)
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# Reset any "settings"-file variables.
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export kselftest_timeout="$kselftest_default_timeout"
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# Load per-test-directory kselftest "settings" file.
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settings="$BASE_DIR/$DIR/settings"
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if [ -r "$settings" ] ; then
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while read line ; do
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field=$(echo "$line" | cut -d= -f1)
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value=$(echo "$line" | cut -d= -f2-)
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eval "kselftest_$field"="$value"
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done < "$settings"
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fi
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TEST_HDR_MSG="selftests: $DIR: $BASENAME_TEST"
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echo "# $TEST_HDR_MSG"
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if [ ! -x "$TEST" ]; then
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@ -44,14 +71,17 @@ run_one()
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echo "not ok $test_num $TEST_HDR_MSG"
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else
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cd `dirname $TEST` > /dev/null
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(((((./$BASENAME_TEST 2>&1; echo $? >&3) |
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((((( tap_timeout ./$BASENAME_TEST 2>&1; echo $? >&3) |
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tap_prefix >&4) 3>&1) |
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(read xs; exit $xs)) 4>>"$logfile" &&
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echo "ok $test_num $TEST_HDR_MSG") ||
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(if [ $? -eq $skip_rc ]; then \
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(rc=$?; \
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if [ $rc -eq $skip_rc ]; then \
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echo "not ok $test_num $TEST_HDR_MSG # SKIP"
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elif [ $rc -eq $timeout_rc ]; then \
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echo "not ok $test_num $TEST_HDR_MSG # TIMEOUT"
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else
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echo "not ok $test_num $TEST_HDR_MSG"
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echo "not ok $test_num $TEST_HDR_MSG # exit=$rc"
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fi)
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cd - >/dev/null
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fi
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@ -24,12 +24,12 @@ main()
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echo "$0: Installing in specified location - $install_loc ..."
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fi
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install_dir=$install_loc/kselftest
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install_dir=$install_loc/kselftest_install
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# Create install directory
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mkdir -p $install_dir
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# Build tests
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INSTALL_PATH=$install_dir make install
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KSFT_INSTALL_PATH=$install_dir make install
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}
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main "$@"
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@ -0,0 +1 @@
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timeout=90
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@ -19,7 +19,7 @@
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int fd;
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const char v = 'V';
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static const char sopts[] = "bdehp:t:Tn:NLf:";
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static const char sopts[] = "bdehp:t:Tn:NLf:i";
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static const struct option lopts[] = {
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{"bootstatus", no_argument, NULL, 'b'},
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{"disable", no_argument, NULL, 'd'},
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@ -32,6 +32,7 @@ static const struct option lopts[] = {
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{"getpretimeout", no_argument, NULL, 'N'},
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{"gettimeleft", no_argument, NULL, 'L'},
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{"file", required_argument, NULL, 'f'},
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{"info", no_argument, NULL, 'i'},
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{NULL, no_argument, NULL, 0x0}
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};
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@ -72,6 +73,7 @@ static void usage(char *progname)
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printf("Usage: %s [options]\n", progname);
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printf(" -f, --file\t\tOpen watchdog device file\n");
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printf("\t\t\tDefault is /dev/watchdog\n");
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printf(" -i, --info\t\tShow watchdog_info\n");
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printf(" -b, --bootstatus\tGet last boot status (Watchdog/POR)\n");
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printf(" -d, --disable\t\tTurn off the watchdog timer\n");
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printf(" -e, --enable\t\tTurn on the watchdog timer\n");
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@ -97,6 +99,7 @@ int main(int argc, char *argv[])
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int c;
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int oneshot = 0;
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char *file = "/dev/watchdog";
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struct watchdog_info info;
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setbuf(stdout, NULL);
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@ -118,6 +121,16 @@ int main(int argc, char *argv[])
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exit(-1);
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}
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/*
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* Validate that `file` is a watchdog device
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*/
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ret = ioctl(fd, WDIOC_GETSUPPORT, &info);
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if (ret) {
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printf("WDIOC_GETSUPPORT error '%s'\n", strerror(errno));
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close(fd);
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exit(ret);
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}
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optind = 0;
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while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) {
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@ -205,6 +218,18 @@ int main(int argc, char *argv[])
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case 'f':
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/* Handled above */
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break;
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case 'i':
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/*
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* watchdog_info was obtained as part of file open
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* validation. So we just show it here.
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*/
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oneshot = 1;
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printf("watchdog_info:\n");
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printf(" identity:\t\t%s\n", info.identity);
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printf(" firmware_version:\t%u\n",
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info.firmware_version);
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printf(" options:\t\t%08x\n", info.options);
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break;
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default:
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usage(argv[0]);
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