/* No extended timestamp */
if (event->timestamp < (tf->buffer.tsc & tf->tsc_mask))
tf->buffer.tsc = ((tf->buffer.tsc & ~tf->tsc_mask) /* overflow */
/* No extended timestamp */
if (event->timestamp < (tf->buffer.tsc & tf->tsc_mask))
tf->buffer.tsc = ((tf->buffer.tsc & ~tf->tsc_mask) /* overflow */