ColinIanKing/stress-ng V0.22.01

stress-ng V0.22.01 "capable computer crasher"

on GitHub

New stressors

• bpf: a simple BPF code generator to exercise bpf validation and JITter

Notable fixes:

• use the taskset settings for cpu affinity defaults
• perform cache flushing and ksm scanning at a low rate
• stress-umount: fix child pid check, check pid and not s_pid->pid
• stress-yield: set bogo-ops in polling loop
• stress-af-alg: disable aead for pre-4.9 kernels
• stress-fp-subnormal: enable subnormal computation for x86 and intel compilers

Detailed changelog

Author: Michael Newman

• stress-tbl-numa: fix typo
• stress-regs: fix typo

Author: Qiao Zhao

• stress-vm: fix help text for vm-bytes option

Author: Colin Ian King

• core-cpu-cache: remove debug cache level message from stress_cpu_cache_get
• README.md: move to new git repo https://github.com/stress-ng/stress-ng
• stress-bad-altstack: add missing void * casts on guarded_stack
• stress-workload: fix build issues if WORKLOAD_THREADED is not defined
• stress-udp: only declare variable count for Linux builds
• core-affinity: move stress_set_cpu_affinity_init_if_zero call
• core-affinity: use the taskset settings for cpu affinity defaults
• core-memory: perform cache flushing and ksm scanning at a low rate
• stress-*: fix various typos found using codespell
• stesss-*: add coverage feature flag
• README.md: update contributor list
• core-mwc: add missing implicit cast to char type
• Makefile: expand clang sanitizer flags for more checking
• CITATIONS.md: add two more references
• stess-spec-rollback: unroll loop exactly 4 times
• stress-fp-subnormal: cast 0.0 to target type
• stress-epollmany: mmap various large sized arrays
• stress-bpf: clean up 32 bit pointer to uint64_t cast warning
• stress-sleep: use %zu format for size_t type
• stress-bpf: fix build warning when bpf is not supported
• stress-umount: fix child pid check, check pid and not s_pid->pid
• stress-oom-pipe: use pipe_fds_t type to simplify file descriptor indexing
• stress-poll: initialize pipe fds to -1 and close only opened pipe fds
• stress-sockabuse: close fd on error return path
• stress-zlib: don't subtract pointers from different array objects
• core-stack: don't subtract pointers from different array objects
• README.md: update contributor list
• stress-bpf: fix typos
• stress-icmp: only exercise /proc files on Linux
• stress-udp: periodically exercise /proc/net/udp* files
• stress-sock: periodically exercise /proc/net/sockstat* files
• stress-sysinval: comment out verver syscall
• stress-quota: exercise /proc/sys/fs/quota
• stress-pty: exercise proc files in /proc/sys/kernel/pty/
• stress-icmp-flood: preiodically exercise /proc/net/icmp
• stress-sctp: exercise files in /proc/net/sctp
• core-filesystem: add helper to read files from a directory
• CITATIONS.md: add another reference
• stress-memhotplug: exercise reading of hotplug sysfs files
• stress-hugepages: periodically read sysfs hugepage files
• stress-sigfpe: forgot to check in the SNG_RAISE flag
• stress-sigfpe: raise SIGFPE to exercise direct SIGFPE generation
• stress-pagescatter: unroll read/write loops by x 4
• stress-tree: specify btree loop unrolling count
• stress-fibsearch: unroll initial loop 8 times
• stress-brk: add null checks on sbrk() returns
• stress-ng: add NULL check on description clean up static analysis warning
• stress-zlib: use pr_inf_skip for skipping messages
• stress-waitcpu: use pr_inf_skip for skipping messages
• stress-vm-segv: use pr_inf_skip for skipping messages
• stress-varyload: use pr_inf_skip for skipping messages
• stress-unshare: use pr_inf_skip for skipping messages
• stress-swap: use pr_inf_skip for skipping messages
• stress-sockmany: use pr_inf_skip for skipping messages
• stress-sleep: use pr_inf_skip for skipping messages
• stress-sigxfsz: use pr_inf_skip for skipping messages
• stress-sigxcpu: use pr_inf_skip for skipping messages
• stress-sigrt: use pr_inf_skip for skipping messages
• stress-shm: use pr_inf_skip for skipping messages
• stress-rofs: use pr_inf_skip for skipping messages
• stress-quota: use pr_inf_skip for skipping messages
• stress-ptr-chase: use pr_inf_skip for skipping messages
• stress-prio-inv: use pr_inf_skip for skipping messages
• stress-poll: use pr_inf_skip for skipping messages
• stress-pkey: add missing "stressor" after "skipping" message
• stress-mmapfiles: use pr_inf_skip for skipping messages
• stress-min-nanosleep: use pr_inf_skip for skipping messages
• stress-iomix: use pr_inf_skip instead of pr_fail message
• stress-inode-flags: use pr_inf_skip for skipping messages
• stress-hrtimers: use pr_inf_skip for skipping messages
• stress-fpunch: use pr_inf_skip for skipping messages
• stress-filehole: use pr_inf_skip for skipping messages
• stress-fd-race: use pr_inf_skip for skipping messages
• stress-far-branch: use pr_inf_skip for skipping messages
• stress-eigen: use pr_inf_skip for skipping messages
• stress-cyclic: add missing "skipping stressor" in skip messages
• stress-context: use pr_inf_skip for skipping messages
• stress-cgroup: replace "skipping stressor" with skip string
• stress-cacheline: use pr_inf_skip for skipping messages
• stress-binderfs: update skipping info messages
• stress-acl: use pr_inf_skip for skipping messages
• stress-ping-sock: update skipping info messages
• stress-efivar: allocate data array on stack and not on bss
• stress-workload: dynamically allocate workload threads array
• stress-zlib: use stack allocted buffer for zlib error messages
• stress-sock: allocate buf on stack rather than being in bss
• stress-sockpair: use dynamically allocated socket file descriptors
• stress-sleep: fix free/return order
• stress-dup: replace static fds array with maap'd fds
• stress-sleep: allocate ctxts on heap rather than being a static array
• stress-pthread: declare pthreads and pthread_args on the stack
• stress-userfaultfs: mmap stack rather than having it static on the bss
• stress-zlib: put in/out data buffers on the stack rather than be static
• stress-cpu: use mmap'd data arrays
• core-helper: stress_kernel_release: use base 1000
• Makefile: use -fcode-hoisting for small builds
• core-attribute: disable O3 and forced inlining for small builds
• stress-bpf: optimize memory size for caching instruction
• stress-bpf: remove success/failure rate metrics
• stress-bpf: add bpf load/verification rate metrics
• stress-bpf: minor cleanups with naming and comments
• stress-yield: set bogo-ops in polling loop
• stress-bpf: re-cycle cached bpf instructions
• stress-af-alg: disable aead for pre-4.9 kernels
• core-helper: stress_kernel_release - limit patch level to 99 max
• stress-bpf: add a simple BPF code generator to exercise bpf validation and JIT
• CITATIONS.md: add another paper reference
• stress-fp-subnormal: enable subnormal computation for x86 and intel compilers
• stress-fp-subnormal: generate run time subnormals
• core-net: add build time checks for AF_INET and AF_UNIX
• stress-open: don't open openat2 with pcc
• Add build time check for typeof operator
• stress-xattr: add missing STRESS_ prefix to KB
• stress-kcmp: move memset of addr to clean up build issue
• stress-open: don't open openat2 with tcc
• core-shim: remove redundant shim_enosys call
• stress-set: reduce scope of variable ret
• stress-cap: remove trailing whitespace
• core-shim: remove one more prototype that is now an inline'd function
• stress-fp-subnormal: constify read-only pointers ptr1 and ptr2
• core-shim: remove prototypes that are now inline'd functions
• core-shim: remove redundant long int casts on calls to shim_enosys
• core-filesystem: remove redundant cast on i for fcntl() call
• core-helper: check for HAVE_PREAD before using it
• Add build time detection of struct iovec
• Add build time detection of getrlimit and setrlimit
• core-helper: add STRESS_XSTRINGIFY
• core-numa: prefix NUMA macros with STRESS_ to avoid name clashing
• core-signal: add HAVE_SIGLONGJMP checks
• core-signal.h: remove function prototypes now that these are macros
• stress-ng.h: prefix KB, GB, MB etc with STRESS_
• stress-vm-rw: add build time check for sys/uio.h
• stress-netlink-proc: add build time check for sys/uio.h
• stress-ioprio: add build time check for sys/uio.h
• stress-fd-abuse: add built time check for sys/uio.h for readv
• stress-dev: add built time check for sys/uio.h for preadv2
• core-shim: export shim_enosys
• README.md: add a couple more kernel bug references
• stress-zlib: minor zlib asciidigits speed improvement
• stress-ioport: replace 8 rounds of inb and outb with macros
• stress-intmath: refector repeated structs into a typedef
• stress-tsc: use macros for tsc operations to shrink source
• core-sched: move HAVE_SCHEDULING macro into core-sched.h
• core-numa: add helper to free mask and nodes
• core-madvise: inline stress_madvise_nohugepage
• core-madvise: inline stress_madvise_willneed
• core-madvise: inline stress_madvise_collapse
• core-madvise: inline stress_madvise_mergeable
• core-madvise: inline stress_madvise_random
• core-madvise: inline stress_advice_check
• core-shim: make shim_mlock inlined
• core-shim: make shim_mincore inlined
• core-shim: make shim_sched_yield inlined
• core-madvise: use stress_sort_cmp_str helper for string sorting
• core-net: add stress_net_af_unix_unlink to unlink AF_UNIX file
• core-net: don't use static sockaddr* structs
• stress-ctrig: rework nested if statements
• stress-clock: rework nested if statements
• stress-chyperbolic: rework nested if statements
• stress-chown: rework nested if statements
• stress-chmod: rework nested if statements
• stress-chdir: rework nested if statements
• stress-chattr: rework nested if statements
• stress-cgroup: rework nested if statements
• stress-cap: rework nested if statements
• stress-affinity: rework nested if statements
• stress-acl: rework nested if statements
• stress-acct: rework nested if statements
• kernel-coverage: add more tests options
• CITATIONS.md: remove space between [] and link
• CITATIONS.md: add another research paper reference