* is recommended to express the seconds in offset_s, otherwise there
* will be a loss of precision caused by the limited size of the double
* mantissa.
+ * This offset can be negative.
*/
static inline
-uint64_t clock_offset_ns(struct ctf_clock *clock)
+int64_t clock_offset_ns(struct ctf_clock *clock)
{
return clock->offset_s * 1000000000ULL
+ clock_cycles_to_ns(clock, clock->offset);