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| author | Jens Axboe <axboe@kernel.dk> | 2023-01-25 08:01:30 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-01-25 08:01:30 -0700 |
| commit | 1e8ec88fd5f3ab4b7bbd0119708d94fd64a4e7ad (patch) | |
| tree | 90bd89e5110ee9f1d5c7bbd13d886ca82eec6559 /os | |
| parent | 5ca54c1ba2db849dfaef5fe3aec60329b3df0bd1 (diff) | |
| download | fio-master.tar.gz fio-master.tar.bz2 | |
Before:
jensaxboe@Jenss-MacBook-Pro fio % ./fio --crctest=crc32c
crc32c: 440.18 MiB/sec
After:
ensaxboe@Jenss-MacBook-Pro fio % ./fio --crctest=crc32c
crc32c: 23923.00 MiB/sec
We know we have it on osx on arm hardware, enabling it is pretty
straightforward with that assumption.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'os')
| -rw-r--r-- | os/os-mac.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/os/os-mac.h b/os/os-mac.h index ec2cc1e5..c9103c45 100644 --- a/os/os-mac.h +++ b/os/os-mac.h @@ -14,12 +14,14 @@ #include <machine/endian.h> #include <libkern/OSByteOrder.h> +#include "../arch/arch.h" #include "../file.h" #define FIO_USE_GENERIC_INIT_RANDOM_STATE #define FIO_HAVE_GETTID #define FIO_HAVE_CHARDEV_SIZE #define FIO_HAVE_NATIVE_FALLOCATE +#define FIO_HAVE_CPU_HAS #define OS_MAP_ANON MAP_ANON @@ -106,4 +108,12 @@ static inline bool fio_fallocate(struct fio_file *f, uint64_t offset, uint64_t l return false; } +static inline bool os_cpu_has(cpu_features feature) +{ + /* just check for arm on OSX for now, we know that has it */ + if (feature != CPU_ARM64_CRC32C) + return false; + return FIO_ARCH == arch_aarch64; +} + #endif |