diff options
Diffstat (limited to 'storage/tokudb/PerconaFT/portability/toku_time.h')
| -rw-r--r-- | storage/tokudb/PerconaFT/portability/toku_time.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/portability/toku_time.h b/storage/tokudb/PerconaFT/portability/toku_time.h index 11a3f3aa2b9..a1278ef0337 100644 --- a/storage/tokudb/PerconaFT/portability/toku_time.h +++ b/storage/tokudb/PerconaFT/portability/toku_time.h @@ -98,9 +98,17 @@ double tokutime_to_seconds(tokutime_t) __attribute__((__visibility__("default") // Get the value of tokutime for right now. We want this to be fast, so we expose the implementation as RDTSC. static inline tokutime_t toku_time_now(void) { +#if defined(__x86_64__) || defined(__i386__) uint32_t lo, hi; __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi)); return (uint64_t)hi << 32 | lo; +#elif defined (__aarch64__) + uint64_t result; + __asm __volatile__ ("mrs %[rt], cntvct_el0" : [rt] "=r" (result)); + return result; +#else +#error No timer implementation for this platform +#endif } static inline uint64_t toku_current_time_microsec(void) { |