Operating system Linux CPU x86_64 Big endian no Compiler gcc Cross compile no Static build no Wordsize 64 zlib no fcntl(F_FULLFSYNC) no Linux AIO support no Linux AIO support rw flags no POSIX AIO support yes POSIX AIO support needs -lrt yes POSIX AIO fsync yes POSIX pshared support yes pthread_condattr_setclock() yes pthread_sigmask() yes pthread_getaffinity_np() yes Solaris AIO support no __sync_fetch_and_add yes __sync_synchronize yes __sync_val_compare_and_swap yes libverbs yes rdmacm yes librpma no libprotobuf_c no asprintf() yes vasprintf() yes Linux fallocate yes POSIX fadvise yes POSIX fallocate yes sched_setaffinity(3 arg) yes sched_setaffinity(2 arg) no clock_gettime yes CLOCK_MONOTONIC yes clockid_t yes gettimeofday yes fdatasync yes pipe() yes pipe2() yes pread() yes sync_file_range yes ASharedMemory_create no EXT4 move extent yes Linux splice(2) yes libnuma yes libnuma v2 yes strsep yes strcasestr yes strlcat no getopt_long_only() yes inet_aton yes socklen_t yes __thread yes RUSAGE_THREAD yes SCHED_IDLE yes TCP_NODELAY yes vsock yes Net engine window_size yes TCP_MAXSEG yes RLIMIT_MEMLOCK yes pwritev/preadv yes pwritev2/preadv2 yes IPv6 helpers yes http engine no Rados engine yes Rados Block Device engine yes rbd_poll yes rbd_invalidate_cache yes setvbuf yes Gluster API engine no s390_z196_facilities no HDFS engine no MTD yes libpmem yes libpmem1_5 yes libpmem2 no PMDK dev-dax engine yes PMDK libpmem engine yes DDN's Infinite Memory Engine no iscsi engine no NBD engine no DAOS File System (dfs) Engine yes NFS engine no lex/yacc for arithmetic no getmntent yes getmntinfo no Static Assert yes bool yes strndup yes Valgrind headers no Zoned block device support yes Zoned block device capacity yes libzbc engine no NVMe uring command support no xnvme engine no isal no libblkio engine no march_armv8_a_crc_crypto no cuda no libcufile no Build march=native yes CUnit no __kernel_rwf_t yes -Wimplicit-fallthrough=2 yes -Wno-stringop-truncation yes MADV_HUGEPAGE yes gettid yes statx(2)/libc yes statx(2)/syscall yes Windows PDB generation no timerfd_create yes Consider installing zlib1g-dev (zlib-devel) as some fio features depend on it. Lib-based ioengines dynamic no TCMalloc support no seed_buckets 4