1name: block_io_start 2ID: 497 3format: 4 field:unsigned short common_type; offset:0; size:2; signed:0; 5 field:unsigned char common_flags; offset:2; size:1; signed:0; 6 field:unsigned char common_preempt_count; offset:3; size:1; signed:0; 7 field:int common_pid; offset:4; size:4; signed:1; 8 9 field:dev_t dev; offset:8; size:4; signed:0; 10 field:sector_t sector; offset:16; size:8; signed:0; 11 field:unsigned int nr_sector; offset:24; size:4; signed:0; 12 field:unsigned int bytes; offset:28; size:4; signed:0; 13 field:unsigned short ioprio; offset:32; size:2; signed:0; 14 field:char rwbs[10]; offset:34; size:10; signed:0; 15 field:char comm[16]; offset:44; size:16; signed:0; 16 field:__data_loc char[] cmd; offset:60; size:4; signed:0; 17 18print fmt: "%d,%d %s %u (%s) %llu + %u %s,%u,%u [%s]", ((unsigned int) ((REC->dev) >> 20)), ((unsigned int) ((REC->dev) & ((1U << 20) - 1))), REC->rwbs, REC->bytes, __get_str(cmd), (unsigned long long)REC->sector, REC->nr_sector, __print_symbolic((((REC->ioprio) >> 13) & (8 - 1)), { IOPRIO_CLASS_NONE, "none" }, { IOPRIO_CLASS_RT, "rt" }, { IOPRIO_CLASS_BE, "be" }, { IOPRIO_CLASS_IDLE, "idle" }, { IOPRIO_CLASS_INVALID, "invalid"}), (((REC->ioprio) >> 3) & ((1 << 10) - 1)), ((REC->ioprio) & ((1 << 3) - 1)), REC->comm 19