V0.18.07

stress-ng V0.18.07

New stressors:

• --flipflop: single cacheline coherency scalability stressor

New options:

• --llc-affinity-clflush, force cache flushing, x86 and ppc64 only
• --taskset-random, periodically randomize stressor CPU affinity

Detailed change log:

[Eder Zulian]

• Manual: stress-prio-inv default scheduling policy is fifo

[Ivan Shapovalov]

• Makefile: expand $(*FLAGS) and $(MACHINE) non-recursively

[Julee]

• stress-gpu: fix the gpu-upload option is not effective

[Po-Hsu Lin]

• Makefile: fix machine detection for Ubuntu Bionic s390x VM

[Colin Ian King]

• Makefile: bump version
• stress-file-ioctl: replace long int with long for ioctl macros
• Makefile.machine: remove need for which command
• README.md: add another research paper reference
• core-affinity: add die, core, cluster parsing options for affinity lists
• core-helper: refactor, add helper function to check for zero'd buffer
• stress-flipflop: use PRIu64 format specifiers for uint64_t values
• core-affinity: rename str to arg to avoid name shadowing on token string str
• stress-vma: don't use void * pointer arithmetic
• stress-flipflop: add sanity check to avoid static analysis warnings
• core-shim: fix order of int declaration for vlen in shim_process_madvise
• core-affinity: swap args in calloc call
• stress-softlock: re-work drop_niceness to cater for POSIX conformant nice() returns
• stress-opcode: add missing const cast
• stress-flipflop: constify casts in stress_flipflop_uint64_cmp
• core-affinity: make stress_package_set static
• core-, stress-: replace local static nowt pointer with global g_nowt
• core-affinity: fix off-by 1 when printing max packages available
• core-affinity: parse package list, e.g 0-3,7-11
• core-affinity: parse affinity list, allow packageN to be specified
• core-affinity: parse affinity list with mix of ranges and odd,even,random,all
• Makefile.config: add built time check for cpu_set_t
• core-setting: add missing \n in string type output
• stress-flip-flop: add new single cacheline coherency scalability stressor
• stress-l1cache: unroll loops to improve throughput
• stress-*: handle nice returns in a portable way
• README.md: add another paper citation
• core-shim: add new Linux 6.13 xattrat system calls
• stress-shm-sysv: requires sys/ipc.h and sys_shm.h so check for these
• stress-llc-affinity: add cache line flushing option --llc-affinity-clflush
• stress-gpu: rename option OPT_gpu_uploads to OPT_gpu_uploads (2)
• README.md: update contributors list
• stress-gpu: rename option OPT_gpu_uploads to OPT_gpu_uploads
• stress-ng: use generalized signal handler setup
• kernel-coverage: add --keep-going to workaround gcov errors
• stress-vma: fix stress_mmapaddr_get_addr to return validated non-mapped addresses
• stress-vma: retry address randomization if address is in text or heap sections
• stress-vma: add missing comments
• stress-vma: try access test on all pages of mmap
• stress-vma: ensure test alloc is the correct number of pages in size
• stress-vma: fix incorrect func name in comment block
• core-perf: add some more perf events based on recent kernels
• Revert "stress-pthread: disable pthread_sigqueue call for CYGWIN"
• README.md: add another Cygwin fix to an issue found with stress-ng
• stress-workload: add a few more permutations of fma computation
• README.md: update bug report, replace link with git commit SHA link
• core-nt-store: improve double nt stores on x86
• stress-opcode: x86: generate random length of opcode prefix ops
• stress-rawdev: use %jd format specifiers for intmax_t
• Makefile: use a smaller set of -W settings for PEDANTIC icc builds
• core-klog: add another const in err_exceptions[]
• core-helper: add some missing comment blocks
• core-shim: remove comment about use of pragma
• core-shim: remove extraneous ( in comment
• core-shim: use arch specific cacheflush system calls
• core-rapl: only emit "perhaps run as root" message if not running as root
• README.md: Update contributors list
• stress-cacheline: unroll loops, improve performance by 33%
• stress-bitonic: unroll test and verify loops for improved speed
• stress-bubblesort: unroll loops to improve performance
• core-, stress-: replace short with short int, long with long int
• stress-ng: add --taskset-random option to randomize stressor CPU affinity
• core-job: rename stress_chop to stress_str_chop
• stress-vm: fix early termination of prime-incdec stressor
• README.md: add reiserfs bug report
• Manual: fix spelling mistake "optiob" -> "option"
• stress-prefetch: use K instead of KB for cache size
• stress-vma: use read rather than write on 8 bit pointer
• core-helper: add backtrace dumping, call when SIGABRT occurs
• core-affinity: --taskset: add "all" and "random" keywords
• stress-l1cache: fix reverse method, fix incorrect setting of data loop
• stress-brk: ensure the failure sbrk errno is being checked
• core-target-clones: add more power9,10,11 target clone build time constraints
• core-shim: limit _FORTIFY_SOURCE to 2 for ALT linux gcc for ppoll workaround
• core-shim: use shim'd types for shim_poll args
• core-shim: add shim to ppoll() and workaround fortification issues
• README.md: add another kernel commit to the 2024 kernel bug list
• stress-fp-error: remove duplicated sqrt
• core-, stress-: fflush opened writable files