TRACES_PER_BLOCK
u64 block_timestamp, last_block_timestamp, tmp_trace_block[TRACES_PER_BLOCK];
get_block_timestamp(tracer, &tmp_trace_block[TRACES_PER_BLOCK - 1]);
(TRACES_PER_BLOCK - 1) * trace_event_size;
for (i = 0; i < TRACES_PER_BLOCK ; i++) {
&tmp_trace_block[TRACES_PER_BLOCK - 1]);