our_sz           3443 tools/perf/util/header.c 	size_t our_sz = sizeof(f_attr->attr);
our_sz           3465 tools/perf/util/header.c 	} else if (sz > our_sz) {
our_sz           3467 tools/perf/util/header.c 			 " (%zu bytes extra)\n", sz - our_sz);