ColinIanKing/stress-ng V0.18.02

on GitHub

stress-ng V0.18.02 "punchy process pounder"

New stressors:

• bitops - integer bit operations stressor (from Standford bithacks and Hacker's Delight)
• spinmem: spin memory access stressor (for memory contention)
• fd-race: file descriptor open/access/close race stressor
• sigill - SIGILL signal stressor
• sigvtalrm - SIGVTALRM signal stressor
• sigurg - SIGURG signal stressor

New options:

• rapl - show Intel x86 power utilization using RAPL (Running Average Power Limit)
• raplstat - show periodic Intel x86 power utilization using RAPL

Detailed changelog:

[Chunyu Hu]

• stress-hrtimers: follow sched setting

[Myd Xia]

• stress-ng: add qnx support

[Colin Ian King]

• README.md: remove extraneous spaces in examples
• README.md: Add RAPL power example
• README.md: add a I/O permuted stressor example
• stress-swap: clean up error messages when using stress_get_fs_type
• core-helper: add ZFS magic
• Add ELISA presentation "Improved system stressing with stress-ng"
• Manual: fix spelling mistake "desciptors" -> "descriptors"
• stress-physpage: fix zero fd check on close
• stress-chattr: initialize IOC_GETFLAGS arg before calling ioctl
• stress-sigurg: only use O_ASYNC if it is defined
• stress-pty: include sys/ioctl.h, cleans up cygwin build warning
• stress-sockfd: move rc and nbytes declaration into a code block
• stress-sockfd: add #ifdef around FIONREAD ioctl
• stress-physpage: use stress_mmap_populate for MAP_POPULATE mmaps
• stress-zero: cast ptr to clean up mmap warnings
• stress-sysfs: cast ptr to clean up mmap warnings
• stress-procfs: cast ptr to clean up mmap warnings
• stress-physpage: cast ptr to clean up mmap warnings
• stress-munmap: cast mmap return to munmap_context_t * to clean up pedantic warning
• stress-efivar: cast efi_var to void * for mmap and munmap
• stress-fork: cast unmap_start to void * for munmap calls
• stress-dev-shm: cast addr for mmap, mummap and msync calls
• core-cpuidle: clean up pedantic warning with gcc 10.3.0
• core-sched: remove unused function stress_set_deadline_sched
• Manual: add missing deadline cyclic-policy option, rename ff to fifo
• stress-cyclic: clear up pedantic warnings when no cyclic methods are available
• stress-cyclic: clear up pedantic warnings when no scheduling policies are available
• stress-logmath: fix build issue on Nixos, need lvalue
• stress-expmath: fix build issue on Nixos, need lvalue
• stress-sigurg: ignore return from F_SETFD fcntl call
• stress-gpu: trim newline off infoLog messages
• stress-open: report number of fds to be used after they have been adjusted
• stress-open: shrink number of fds if allocation is too large
• stress-oom-pipe: shrink number of fds if allocation is too large
• stress-sockfd: limit to 1024 * 1024 file descriptors
• stress-fd-race: limit to 1024 * 1024 file descriptors
• stress-userfaultfd: add missing HAVE_POLL_H and HAVE_POLL checks
• stress-sysbadaddr: add missing HAVE_POLL for bad_poll function
• stress-sigurg: remove redundant variable msgs
• stress-fd-race: remove unused variable writes
• stress-mq: only declare fds if poll() is available
• Makefile: disable smi stressor for regression tests
• stress-signest: add missing SIGURG signal
• stress-shm: retry shm mmap without MAP_ANONYMOUS if EINVAL is returned
• stress-fractal: cast info.data to void * for munmap call
• stress-ng: cast mmap return to stress_pid_t *
• stress-fd-race: move stress_fd_race_context_t declaration
• stress-fd-race: add build time check for pthread barrier support
• stress-bad-alt-stack: use zero_stack instead of bad_stack
• stress-ng: use localtime for completion times
• stress-ng: report permuted stressors and show progress
• stress-sigurg: add a SIGURG out-of-band socket signal stressor
• stress-sigpipe: initialize data before loop
• stress-sigpipe: remove need for a parent/child mechanism
• stress-sigill: add a SIGILL illegal instruction signal stressor
• stress-sigvtalrm: fix help information
• stress-*: add CLASS_SIGNAL class flags to stressors that generate signal loads
• stress-sigvtalrm: use user time as run time count check not wallclock time
• stress-sigvtalrm: sanity check signal count after 1 second of run time
• stress-sigvtalrm: add SIGVTALRM signal stressor
• stress-*: add built time check for poll() system call
• stress-fd-race: randomize syscalls on fd's
• README.md: add another link to a research paper
• stress-ng: sanity check if excluded stressor name is valid
• README.md: update number of stressors
• stress-fd-race: add ignore list of files not to exercise
• core-numa: ensure pointer str is initialized to NULL
• stress-fd-race: add a new stressor to race file descriptor access and closing
• core-lock: use #if/#elif rather than many #if/#endif sequences
• core-ftrace: make char * pointer num const
• stress-h*: add syncwait proc state for --sync-start state waits
• stress-*: add syncwait proc state for --sync-start state waits
• core-ignite-cpu: remove unused field cur_freq from struct stress_cpu_setting_t
• core-cpu-cache: rename index to idx to avoid name shadowing on index()
• core-affinity: only set cpu affinity if CPU affinity bits are set
• core-time: stress_duration_to_str: emit 0 secs if no time has been formatted
• stress-brk: add sanity check for sbrk always returning out of memory
• stress-spinmem: add CLASS_CPU_CACHE to class flags
• stress-ramfs: abort early on mount/umount EPERM errors
• stress-ramfs: cater for EPERM on containerized umount failure
• stress-io-uring: cater for EPERM on containerized io-uring setup permission denied
• README.md: make packages list more compact
• stress-umount: cater for EPERM on containerized mount failure
• stress-reboot: cater for EPERM on containerized reboot call failure
• stress-ramfs: cater for EPERM on containerized mount failure
• stress-netlink-proc: fix skipped rc code, it should be EXIT_NO_RESOURCE
• stress-numa: skip stressor on EPERM on get_mempolicy
• stress-netlink-proc: skip stressor on EPERM on bind (containerized)
• stress-key: skip stressor on EPERM on add_key in container
• stress-fp-error: relax fp pedantic error checking for musl-gcc builds
• core-helper: fix macro typo HAVE_COMPILER_MUSC -> HAVE_COMPILER_MUSL
• stress-binderfs: cater for EPERM on containerized mount failure
• stress-cgroup: cater for EPERM on containerized mount failure
• core-thrmal-zone: constify dirent pointer entry
• core-thrash: constify dirent pointer d
• core-mounts: constify pointer mnt
• core-resources: stress_resources_free: constify args parameter
• core-rapl: constify pointer entry
• core-numa: constify pointer str
• core-process: constify pointer ptr
• core-module: constify pointer l
• core-cpu-cache: only define type stress_generic_map_t for Linux builds
• core-cpuidle: constify pointers cpu_d and cpuidle_d
• stress-rdrand: fix build issues where HAVE_SEED_CAPABILITY is not defined
• core-parse-opts: add stress_get_{int|uint} prototypes
• stress-sigabrt: remove volatile from struct pointer sigabrt_info
• README.md: Add Linux Foundation 2024 ELISA presentation link
• core-madvise: use unsigned int for major and minor
• core-perf: add maple_tree/ma_op event
• stress-bind-mount: skip stressor we don't have access
• stress-waitcpu: Fix umwait0 and umwait1
• stress-*: name mmap'd regions to help debugging
• core-helper: add libc version to yaml output
• stress-ng: remove trailing tab
• core-lock: name anonymous mappings
• stress-ng: name anonymous mappings
• core-*: name anonymous mappings
• stress-vma: use stress_set_vma_anon_name to set anon vma name
• stress-vma: add more prctl macro build time checks
• Manual: update vma stressor description, 32 pages now being exercised
• stress-vma: name anonymous pages with prctl
• stress-vma: move stress_vma_continue_flag to enable mapped regions
• stress-ng: remove empty lines, reformat a comment block
• stress-ng: inline helper function stress_get_num_stressors
• stress-ng: inline helper function stress_append_stressor
• stress-ng: munge stessor names using stress_readable_name helper
• stress-ng stress_run_sequential: remove continue if statement
• stress-jpeg: remove debug
• stress-jpeg: fix overflow with brown noise generator
• stress-ng: stress_exclude_unsupported: add check for null stressor->info
• stress-spinmem: new spin write/read parent/child stressor
• stress-ng: add stress_readable_name to munge stressor names into a readable form
• stress-ng: remove stressor id, it's now deprecated
• stress-ng: stress_exclude_unsupported: match stressors by address and not id
• stress-ng: rework if (ss->ignore.run) comparisons
• stress-ng: remove stressor_find_by_name
• stress-ng: remove need to call stressor_find_by_id to find stressor
• stress-netlink-task: add static analysis sanity check on nlmsgbuf_len
• stress-opcode: check for small text lens before proceeding
• stress-signess: use STRESS_BIT_ULL for bitmask setting (part 2)
• bash-completion: refresh with new stressor options
• stress-chroot: add missing ( ) around && errno expressions
• stress-ng: fix SIGTERM on parent causing child to return bogus EXIT_SIGNALED
• stress-sock: set starting port to 2000
• stress-*: use globally defined MIN_PORT, MAX_PORT and cater for port wrap-around
• core*: stress-*: Fix various spelling mistakes and typos
• stress-usersyscall: Fix spelling mistake "syscallls" -> "syscalls"
• stress-chroot: allow EINVAL and ENAMETOOLONG for Haiku chroot syscall
• stress-madvise: add missing help in opts for unsupported builds
• stress-cache: make cache_flags non-clobberable over vfork
• stress-vm: only define stress_vm_flags when required
• stress-lease: use opts instead of opt_set_funcs
• stress-vecfp: use .opts instead of .opt_set_funcs
• stress-plugin: fix plugin-so option for unimplemented stressor build case
• stress-besselmath: update to ops for unsupported build paths
• Manual: fix example code in plugin documentation
• core-thrash: process fdmem seeking in off_t space
• stress-dirmany: check for unlikely very small filenames
• core-helper: stress_exec_text_addr: cater for text end is less or equal the text start
• stress-netlink-task: avoid underflow on nlmsgbuf_len
• stress-prio-inv: compute non-negative nice_div
• core-helper: check for failed sysconf when calculating memory size
• core-shim: ensure underflow never occurs on emulated fallocate writes
• core-parse-opts, stress-*: use stress_unimplemented_method for unimplemented methods
• core-parse-opts: remove debug and cater for zero method options
• stress-signest: use STRESS_BIT_ULL for bitmask setting
• core-parse-opts: remove stress_check_power_of_2
• core-, stress-: use new table-driven option parsing
• README.md: update static build notes for Android
• README.md: update contributor list
• stress-mmap: add MAP_DROPPABLE (Linux 6.11+)
• Makefile.config: add LDFLAGS workaround for older versions of make
• test-lib*: reference the contents of the function arrays
• stress-unlink: no need for mode flags when opening existing file
• stress-bitops: clz(0) -> 32 and not 0, fix this
• stress-bitops: add macro to handle undefined return for the clz(0) case
• stress-bitops: use stashed checksum to ensure all computations are performed
• stress-signest: remove unused function stress_signest_find
• stress-bitops: fix build error with clang-19
• stress-bitops: handle zero cases for ctz and clz, add 0x for PRIx formats
• README.md: add another kernel bug reference
• core-shim: fully define shim'd statx struct
• Manual: Add Bit Twiddling Hacks and Hacker's Delight references
• stress-bitops: Add new bitops stressor --bitops
• core-vmstat: only report raplstat if delay > 0
• README.md: add another kernel bug found with stress-ng
• stress-cgroup: remove tabs at end of lines
• stress-signest: exercise RT signals if they are available
• core-helper: stress_get_signal_name(): add RT signal names
• core-time: fix time reporting where duration > 60 seconds and duration % 60 == 0
• core-rapl: ignore short time measurement or zero power measurements
• stress-ng: add --rapl and --raplstat RAPL power measurements