---
.github/workflows/cygwin.yml | 22 +-
winsup/testsuite/stress/cygstress | 603 ++++++++++++++++++++++++++++++
2 files changed, 623 insertions(+), 2 deletions(-)
create mode 100755 winsup/testsuite/stress/cygstress
diff --git a/.github/workflows/cygwin.yml b/.github/workflows/cygwin.yml
index 79abf3d0f..871ec3d3a 100644
--- a/.github/workflows/cygwin.yml
+++ b/.github/workflows/cygwin.yml
@@ -201,7 +201,7 @@ jobs:
- name: Avoid actions/checkout post-run step using Cygwin git
run: bash -c 'rm /usr/bin/git.exe'
- windows-test:
+ windows-stress-test:
needs: windows-build
runs-on: windows-latest
@@ -214,11 +214,19 @@ jobs:
name: Windows tests ${{ matrix.pkgarch }}
steps:
+ - run: git config --global core.autocrlf input
+ - uses: actions/checkout@v3
+
# install cygwin
- name: Install Cygwin
uses: cygwin/cygwin-install-action@master
with:
platform: ${{ matrix.pkgarch }}
+ packages: |
+ procps-ng
+ stress-ng
+ unzip
+ wget
# fetch the just-built cygwin installation artifact
- name: Unpack just-built Cygwin artifact
@@ -234,8 +242,18 @@ jobs:
# package of the just-built cygwin version and install it here, but tools
# don't exist (yet) to let us do that...
- # run tests
+ - name: Install SysInternals pskill
+ run: |
+ wget -nv https://download.sysinternals.com/files/PSTools.zip
+ unzip PSTools.zip pskill.exe -d /usr/bin
+ chmod +x /usr/bin/pskill
+ pskill -nobanner -accepteula || true
+ shell: bash --noprofile --norc -o igncr -eo pipefail '{0}'
+
+ # run stress-test
- name: Run tests
run: |
+ export PATH=/usr/bin:$(cygpath ${SYSTEMROOT})/system32
uname -a
+ winsup/testsuite/stress/cygstress CI
shell: bash --noprofile --norc -o igncr -eo pipefail '{0}'
diff --git a/winsup/testsuite/stress/cygstress
b/winsup/testsuite/stress/cygstress
new file mode 100755
index 000000000..493ff3e8b
--- /dev/null
+++ b/winsup/testsuite/stress/cygstress
@@ -0,0 +1,603 @@
+#!/bin/bash
+#
+# Run stress-ng on Cygwin
+#
+# Copyright 2025 Christian Franke
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#
+
+set -e -o pipefail
+
+usage()
+{
+ cat <<EOF
+Usage: ${0##*/} [OPTION...] {CI|WORK|FAIL|test...}
+
+ -n print commands only (dry-run)
+ -f force execution of tests tagged 'heavy' or 'admin'
+ -c LIST set CPU affinity to LIST
+ -k PATH tool to stop hanging tests [default: pskill]
+ -s PATH stress-ng executable [default: stress-ng]
+ -t N run each test for at least N seconds [default: 5]
+ -w N start N workers for each test [default: 2]
+
+ CI run all tests tagged CI
+ WORK run all tests tagged WORKS
+ FAIL run all tests tagged FAILS
+ test... run invidual test(s) (may require '-f')
+EOF
+ exit 1
+}
+
+# Tags:
+# WORKS: works on Cygwin (3.7.0-0.43.g779e46b5b3ee)
+# WORKS,CI: possibly suitable subset for Cygwin CI test.
+# FAILS: fails on Cygwin, see "TODO Cygwin" for details.
+# heavy: heavy resource usage, may work, hang, freeze desktop, require reset,
...
+# admin: requires administrator, may work or not, may be 'heavy' or not.
+# -----: unsupported due to missing API, library, declaration, ...
+
+stress_tests='
+# TEST [ARGS] # Tag # Comment
+ access # FAILS # TODO undecided: "access 004 on chmod mode 400
failed: 13 (Permission denied)"
+ acl # WORKS,CI # (fixed in stress-ng 0.18.12)
+ affinity # WORKS
+ af-alg # ----- # requires AF_ALG
+ aio # WORKS
+ aiol # ----- # requires io_setup(2), io_submit(2), ...
+ alarm # WORKS,CI
+ apparmor # -----
+ atomic # WORKS
+
+ bad-altstack # WORKS
+ bad-ioctl # -----
+ besselmath # WORKS
+ bigheap # heavy
+ binderfs # -----
+ bind-mount # -----
+ bitonicsort # WORKS
+ bitops # WORKS
+ branch # WORKS
+ brk # heavy # allocates memory until OOM
+ bsearch # WORKS
+ bubblesort # WORKS
+
+ cache # WORKS
+ cacheline # WORKS
+ cachehammer # WORKS
+ cap # -----
+ cgroup # -----
+ chattr # -----
+ chdir # WORKS,CI
+ chmod # WORKS,CI
+ chown # FAILS # TODO undecided: "fchown failed, errno=22
(Invalid argument)"
+ chroot # admin
+ clock # WORKS,CI # (fixed in stress-ng 0.18.12: "timer_create
failed for timer ...
+ # ... ''CLOCK_THREAD_CPUTIME_ID'', errno=134")
+ clone # -----
+ close # FAILS # TODO Cygwin: close(2) is not thread-safe
+ context # WORKS,CI # (fixed in Cygwin 3.6.0: signals lost after
swapcontext)
+ copy-file # -----
+ cpu # WORKS
+ cpu-online # -----
+ cpu-sched # FAILS # TODO undecided: "child died: signal 9
''SIGKILL''"
+ # (fixed in Cygwin 3.6.0: signals lost after
SIGSTOP)
+ crypt # WORKS # uses libcrypt
+ cyclic # admin
+
+ daemon # WORKS
+ dccp # -----
+ dekker # WORKS
+ dentry # WORKS
+ dev # FAILS # TODO Cygwin: "*** fatal error in forked process
- pthread_mutex::_fixup_after_fork () ...
+ # ... doesn''t understand PROCESS_SHARED mutex''s"
+ dev-shm # -----
+ dfp # WORKS
+ dir # WORKS
+ dirdeep # heavy # creates deep dir tree
+ dirmany # heavy # creates many dirs/files
+ dnotify # -----
+ dup # WORKS,CI
+ dynlib # -----
+
+ easy-opcode # WORKS
+ eigen # WORKS
+ efivar # -----
+ enosys # -----
+ env # heavy # creates very large environment until OOM
+ epoll # -----
+ eventfd # -----
+ exec # WORKS,CI
+ exit-group # -----
+ expmath # WORKS
+
+ factor # WORKS # uses libgmp
+ fallocate # WORKS,CI
+ fanotify # -----
+ far-branch # WORKS
+ fault # WORKS
+ fcntl # FAILS # TODO Cygwin: "ftruncate failed, errno=21 (Is a
directory)", please see:
+ #
https://sourceware.org/pipermail/cygwin/2025-April/257871.html
+ fd-fork # WORKS,CI
+ fd-race # ----- # TODO stress-ng: drop Linux restriction (but then
it FAILS)
+ fibsearch # WORKS
+ fiemap # -----
+ fifo # WORKS
+ file-ioctl # WORKS,CI
+ filename # FAILS # TODO Cygwin: creates files Cygwin cannot remove
later, please see:
+ #
https://sourceware.org/pipermail/cygwin/2024-September/256451.html
+ filename --filename-opts posix # WORKS,CI # restricts filenames to POSIX
charset
+# filerace # WORKS # TODO this script: add in stress-ng >0.18.12
+ flipflop # WORKS
+ flock # WORKS,CI
+ flushcache # WORKS
+ fma # WORKS
+ fork # WORKS,CI
+ forkheavy # heavy # forks until process table is full
+ fp # WORKS,CI
+ fp-error # WORKS,CI
+ fpunch # FAILS # TODO this script: fixed in stress-ng >0.18.12
+ fractal # WORKS
+ fsize # heavy # creates large files until disk is full
+ fstat # WORKS,CI
+ full # ----- # requires pread/pwrite() working on /dev/full
+ funccall # WORKS
+ funcret # WORKS
+ futex # -----
+
+ get # WORKS
+ getdent # -----
+ getrandom # -----
+ goto # WORKS
+ gpu # -----
+
+ handle # ----- # requires name/open_by_handle_at(2)
+ hash # WORKS
+ hdd # WORKS
+ heapsort # WORKS # uses libbsd
+ hrtimers # WORKS,CI # (fixed in Cygwin 3.5.7: "timer_delete failed")
+ hsearch # WORKS
+ hyperbolic # WORKS
+
+ icache # WORKS
+ icmp-flood # ----- # requires "struct icmphdr", ... in <netinet/*.h>
+ idle-page # ----- # requires /sys/kernel/mm/page_idle/bitmap
+ inode-flags # -----
+ inotify # ----- # requires inotify_*(2)
+ insertionsort # WORKS
+ intmath # WORKS
+ io # WORKS
+ iomix # WORKS
+ ioport # -----
+ ioprio # -----
+ io-uring # -----
+ ipsec-mb # ----- # requires libipsec-mb
+ itimer # WORKS,CI
+
+ jpeg # WORKS # uses libjpeg
+ judy # ----- # requires libJudy (ORPHANED)
+
+ kcmp # -----
+ key # -----
+ kill # WORKS,CI
+ klog # -----
+ kvm # -----
+
+ l1cache # ----- # requires /sys/devices/system/cpu
+ l1cache --l1cache-line-size 32768 --l1cache-ways 8 --l1cache-sets 1 # WORKS
+ landlock # -----
+ lease # -----
+ led # -----
+ link # WORKS,CI
+ list # WORKS
+ llc-affinity # WORKS
+ loadavg # WORKS
+ locka # WORKS
+ lockbus # WORKS
+ lockf # WORKS,CI # (fixed in Cygwin 3.5.5: "NtCreateEvent(lock):
0xC000003" and ...
+ # "can''t handle more than 910 locks per file")
+ lockmix # WORKS
+ lockofd # -----
+ logmath # WORKS,CI # (fixed in Cygwin 3.5.5: signal handler destroys
long double values)
+ longjmp # WORKS,CI # (fixed in Cygwin 3.5.5: signals lost during
setjmp or longjmp)
+ loop # -----
+ lsearch # WORKS
+ lsm # -----
+
+ madvise # WORKS
+ malloc # WORKS,CI
+ matrix # WORKS
+ matrix-3d # WORKS
+ mcontend # WORKS
+ membarrier # -----
+ memcpy # WORKS,CI # (fixed in Cygwin >3.6.0: crash due to set DF in
signal handler)
+ memfd # -----
+ memhotplug # -----
+ memrate # WORKS
+ memthrash # WORKS
+ mergesort # WORKS # uses libbsd
+ metamix # FAILS # TODO Cygwin: "fdatasync on
./tmp-stress-ng-metamix-*/... failed, errno=13"
+ mincore # -----
+ min-nanosleep # WORKS
+ misaligned # WORKS
+ mknod # -----
+ mlock # WORKS
+ mlockmany # heavy # requires --pathological
+ mmap # WORKS,CI
+ mmapaddr # WORKS
+ mmapfork # WORKS
+ mmapfiles # WORKS
+ mmapfixed # WORKS
+ mmaphuge # -----
+ mmapmany # WORKS
+ mmaptorture # heavy
+ module # -----
+ monte-carlo # WORKS
+ mpfr # WORKS # uses libmpfr
+ mprotect # FAILS # TODO Cygwin: crashes or hangs
+ mq # FAILS # TODO Cygwin: "mq_receive failed, errno=1"
+ # (fixed in Cygwin 3.5.6: crash on invalid mq fd)
+ mremap # -----
+ mseal # -----
+ msg # WORKS
+ msync # WORKS
+ msyncmany # WORKS
+ mtx # WORKS
+ munmap # -----
+ mutex # WORKS
+
+ nanosleep # FAILS # TODO undecided: "detected 1 unexpected nanosleep
underruns"
+ netdev # -----
+ netlink-proc # -----
+ netlink-task # -----
+ nice # heavy # TODO Cygwin: may change nice value of other
processes
+ nop # WORKS
+ null # WORKS
+ numa # -----
+
+ oom-pipe # -----
+ opcode # -----
+ open # WORKS,CI
+
+ pagemove # -----
+ pageswap # -----
+ pci # -----
+ personality # -----
+ peterson # WORKS
+ physmmap # -----
+ physpage # -----
+ pidfd # -----
+ ping-sock # -----
+ pipe # WORKS,CI
+ pipeherd # heavy # many forks, may freeze desktop
+ pkey # -----
+ plugin # -----
+ poll # WORKS
+ powmath # WORKS
+ prctl # -----
+ prefetch # WORKS
+ prime # WORKS # uses libgmp
+ prio-inv # ----- # requires <pthread_nt.h>
+ priv-instr # FAILS # TODO Cygwin: crashes or hangs, please see:
+ #
https://sourceware.org/pipermail/cygwin/2025-March/257726.html
+ procfs # ----- # TODO stress-ng: support /proc subset of Cygwin
+ pseek # WORKS,CI # (fixed in Cygwin 3.5.5: "pread: Bad file
descriptor")
+ pthread # WORKS,CI
+ ptr-chase # WORKS
+ ptrace # -----
+ pty # FAILS # TODO stress-ng: do not require
tcdrain/tcflow/TIOCINQ for pty, or ...
+ # ... TODO Cygwin: implement
tcdrain/tcflow/TIOCINQ for pty :-)
+ # (fixed in Cygwin 3.7.0: "No pty allocated,
errno=0")
+ qsort # WORKS
+ quota # -----
+
+ race-sched # WORKS
+ radixsort # WORKS # uses libbsd
+ ramfs # -----
+ rawdev # -----
+ randlist # WORKS
+ rawsock # -----
+ rawpkt # ----- # requires <linux/if_packet.h>, ...
+ rawudp # -----
+ rdrand # WORKS
+ readahead # -----
+ reboot # -----
+ regex # WORKS
+ regs # WORKS
+ remap # -----
+ rename # WORKS,CI
+ resched # heavy
+ resources # heavy
+ revio # WORKS
+ ring-pipe # WORKS
+ rlimit # heavy
+ rmap # WORKS
+ rotate # WORKS
+ rseq # -----
+ rtc # ----- # requires /dev/rtc
+
+ schedmix # WORKS
+ schedpolicy # WORKS,CI
+ sctp # -----
+ seal # -----
+ seccomp # -----
+ secretmem # -----
+ seek # WORKS,CI
+ sem # FAILS # TODO Cygwin: "instance 0 corrupted bogo-ops
counter, 556328 vs 556327"
+ sem-sysv # FAILS # TODO Cygwin: "aborted early, out of system
resources"
+ sendfile # ----- # requires sendfile(2)
+ session # WORKS
+ set # FAILS # TODO stress-ng: "setrlimit failed, ..., expected
-EPERM, instead got errno=22 (Invalid argument)"
+ shellsort # WORKS
+ shm # WORKS,CI
+ shm-sysv # ----- # requires shmat(2), smdt(2)
+ sigabrt # WORKS,CI
+ sigbus # FAILS # TODO Cygwin: "ftruncate file to a single page
failed, errno=13 (Permission denied)"
+ sigchld # FAILS # TODO Cygwin: hangs
+ sigfd # ----- # TODO stress-ng: drop restriction to glibc (WORKS
then)
+ sigfpe # FAILS # TODO undecided: "got SIGFPE error 15
(FPE_INTDEV), expecting 20 (FPE_FLTRES)"
+ sighup # WORKS,CI
+ sigill # FAILS # TODO Cygwin: "terminated on signal: 11",
possibly similar to "priv-instr"
+ sigio # ----- # requires O_ASYNC
+ signal # WORKS,CI
+ signest # FAILS # TODO Cygwin: "terminated on signal: 11"
+ sigpending # WORKS,CI
+ sigpipe # WORKS,CI
+ sigq # WORKS,CI
+ sigrt # WORKS,CI
+ sigsegv # FAILS # TODO Cygwin: crashes or hangs, possibly similar
to "priv-instr"
+ sigsuspend # WORKS,CI
+ sigtrap # WORKS,CI
+ sigurg # WORKS,CI
+ sigvtalrm # WORKS,CI
+ sigxcpu # FAILS # TODO stress-ng: "setrlimit failed, errno=22
(Invalid argument)"
+ sigxfsz # FAILS # TODO stress-ng: "setrlimit failed, errno=22
(Invalid argument)"
+ skiplist # WORKS
+ sleep # WORKS,CI
+ smi # -----
+ sock # WORKS
+ sockabuse # WORKS
+ sockdiag # -----
+ sockfd # -----
+ sockmany # heavy
+ sockpair # WORKS
+ softlockup # admin
+ sparsematrix # WORKS
+ spawn # heavy # TODO Cygwin: "NNN spawns failed (100.00%)", may
crash other processes
+ spinmem # WORKS
+ splice # -----
+ stack # heavy
+ stackmmap # WORKS
+ statmount # -----
+ str # WORKS
+ stream # WORKS # TODO stress-ng: get --stream-l3-size for
/proc/cpuinfo
+ swap # -----
+ switch # WORKS
+ symlink # WORKS,CI
+ sync-file # -----
+ syncload # WORKS
+ sysbadaddr # heavy
+ syscall # FAILS # TODO Cygwin: "terminated on signal: 11"
+ sysinfo # WORKS
+ sysinval # -----
+ sysfs # -----
+
+ tee # ----- # requires tee(2)
+ timer # WORKS,CI
+ timerfd # heavy # TODO undecided: may freeze desktop
+ time-warp # WORKS
+ tlb-shootdown # heavy
+ tmpfs # ----- # requires tmpfs filesystem
+ touch # WORKS
+ tree # WORKS # (fixed in Cygwin >3.6.0: crash due to set DF in
signal handler, see also "memcpy")
+ trig # WORKS
+ tsc # WORKS
+ tsearch # WORKS
+ tun # -----
+
+ udp # WORKS
+ udp-flood # ----- # requires AF_PACKET
+ umask # WORKS
+ umount # -----
+ unlink # WORKS,CI
+ unshare # -----
+ uprobe # -----
+ urandom # WORKS
+ userfaultfd # -----
+ usersyscall # -----
+ utime # WORKS,CI
+
+ vdso # -----
+ veccmp # WORKS
+ vecfp # WORKS
+ vecmath # WORKS
+ vecshuf # WORKS
+ vecwide # WORKS
+ verity # -----
+ vfork # WORKS
+ vforkmany # heavy # forks until process table is full
+ vm # WORKS,CI
+ vm-addr # WORKS
+ vm-rw # -----
+ vm-segv # WORKS
+ vm-splice # -----
+ vma # WORKS
+ vnni # WORKS
+
+ wait # FAILS # TODO Cygwin: hangs in few cases
+ waitcpu # WORKS
+ watchdog # -----
+ wcs # WORKS
+ workload # WORKS,CI # (fixed in Cygwin 3.5.5: hang in mq_send/receive)
+
+ x86cpuid # WORKS
+ x86syscall # -----
+ xattr # FAILS # TODO Cygwin: "fsetxattr succeeded unexpectedly,
created ...
+ # "... attribute with size greater than permitted
size, errno=61"
+ yield # WORKS
+
+ zero # WORKS,CI
+ zlib # WORKS # uses libz
+ zombie # WORKS,CI
+'
+
+# SIGKILL may not work if stress-ng hangs.
+# Use Sysinternals 'pskill' as no 'killall --force' is available,
+killall_force="pskill"
+
+stress_ng="stress-ng"
+timeout=5; workers=2
+dryrun=false; force=false
+taskset=
+
+while :; do case $1 in
+ -c) shift; taskset=$1 ;;
+ -f) force=true ;;
+ -k) shift; killall_force=$1 ;;
+ -n) dryrun=true ;;
+ -s) shift; stress_ng=$1 ;;
+ -t) shift; timeout=$1 ;;
+ -w) shift; workers=$1 ;;
+ -*) usage ;;
+ *) break ;;
+esac; shift || usage; done
+
+run_ci=false; run_work=false; run_fail=false
+run_tests=
+
+for t in "$@"; do case $t in
+ CI) run_ci=true ;; WORK) run_work=true ;; FAIL) run_fail=true ;;
+ [a-z]*[a-z]) run_tests+=" $t" ;;
+ *) usage ;;
+esac; done
+$run_ci || $run_work || $run_fail || [ ${run_tests:+t} ] || usage
+
+command -V "$stress_ng" >/dev/null || exit 1
+command -V "$killall_force" >/dev/null || exit 1
+
+stress_ng_name=${stress_ng##*/}
+tempdir=${TMP:-/tmp}
+
+find_stress()
+{
+ local p=$(procps -C "$stress_ng_name" -o
pid,ppid,s,pri,ni,tt,start,time,args --sort pid)
+ test "$(wc -l <<< "$p")" -gt 1 || return 1
+ echo "$p"
+}
+
+stop_stress()
+{
+ echo '$' "$killall_force" "$stress_ng_name"
+ "$killall_force" "$stress_ng_name" ||:
+}
+
+total=0
+fails=0
+
+# stress TEST [OPTION...]
+stress()
+{
+ local name=$1
+ shift || return 1
+
+ local td="$tempdir/stress-ng.$$.$total.d"
+ local cmd=("$stress_ng" -v -M --oomable --timestamp --verify --temp-path
"$td" -t "$timeout")
+ test -z "$taskset" || cmd+=(--taskset "$taskset")
+ cmd+=(--"$name" "$workers" "$@")
+
+ echo '$' "${cmd[@]}"
+ ! $dryrun || return 0
+
+ (
+ t=$(date +%s); : $((t += timeout + 30)); sleep 1
+ while [ "$(date +%s)" -lt "$t" ]; do sleep 1; done
+ stop_stress & # TODO: without '&', 'exit 0' below is not reached (Hmm...)
+ exit 0
+ ) &
+ local watchdog=$!
+ trap "kill $watchdog 2>/dev/null ||:; exit 130" SIGINT SIGTERM
+
+ mkdir "$td"
+ local rc=0
+ "${cmd[@]}" || rc=$?
+
+ kill $watchdog 2>/dev/null ||:
+ trap - SIGINT SIGTERM
+
+ local ok=true
+ if wait $watchdog; then
+ echo ">>> FAILURE: $name" "$@" "(command hangs)"
+ sleep 2
+ ok=false
+ fi
+
+ local n=0 p
+ if p=$(find_stress); then
+ echo ">>> FAILURE: $name" "$@" "(processes left, exit status $rc):"
+ echo "$p"
+ stop_stress
+ sleep 2
+ ok=false
+ fi
+
+ if ! rmdir "$td" 2>/dev/null; then
+ echo ">>> FAILURE: $name" "$@" "(files left in '$td', exit status $rc)"
+ ok=false
+ fi
+
+ if ! $ok; then
+ echo
+ return 1
+ fi
+ if [ $rc != 0 ]; then
+ echo ">>> FAILURE: $name" "$@" "(exit status $rc)"; echo
+ return 1
+ fi
+ echo ">>> SUCCESS: $name" "$@" ""; echo
+}
+
+if p=$(find_stress); then
+ echo "*** Other $stress_ng_name processes are still running:"
+ echo "$p"
+ $dryrun || exit 1
+fi
+
+while read; do
+ args=${REPLY#*|}
+ name=${args%% *}
+ run_this=false
+ for t in $run_tests; do if [ "$t" = "$name" ]; then
+ run_this=true; break
+ fi; done
+
+ tag=${REPLY%%|*}
+ case $tag in
+ FAILS) $run_this || $run_fail || continue ;;
+ WORKS) $run_this || $run_work || continue ;;
+ WORKS,CI) $run_this || $run_work || $run_ci || continue ;;
+ -----) $run_this || continue ;;
+ admin|heavy)
+ $run_this || continue
+ if ! $force; then
+ echo ">>> SKIPPED $name (tagged '$tag', use '-f' to override)"; echo
+ continue
+ fi ;;
+ *) echo "*** syntax error: '$REPLY'"; exit 1 ;;
+ esac
+
+ : $((++total))
+ stress $args ||: $((++fails))
+done <<<"$(
+ sed -E \
+ -e 's/^ *([-0-9a-z]+)( +-[^#]*[^ #])? +#
*(FAILS|WORKS(,CI)?|admin|heavy|-----) *(#.*)?$/\3|\1\2/' \
+ -e '/^ *(#.*)?$/d' \
+ <<<"$stress_tests"
+)"
+
+if [ $fails -ne 0 ]; then
+ echo ">>> FAILURE: $fails of $total stress test(s) failed"
+ exit 1
+fi
+echo ">>> SUCCESS: All $total stress test(s) succeeded"
+exit 0
--
2.45.1
