| /* SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) */ |
| #ifndef __BIOTOP_H |
| #define __BIOTOP_H |
| |
| #define REQ_OP_BITS 8 |
| #define REQ_OP_MASK ((1 << REQ_OP_BITS) - 1) |
| |
| #define TASK_COMM_LEN 16 |
| |
| /* for saving the timestamp and __data_len of each request */ |
| struct start_req_t { |
| __u64 ts; |
| __u64 data_len; |
| }; |
| |
| /* for saving process info by request */ |
| struct who_t { |
| __u32 pid; |
| char name[TASK_COMM_LEN]; |
| }; |
| |
| /* the key for the output summary */ |
| struct info_t { |
| __u32 pid; |
| int rwflag; |
| int major; |
| int minor; |
| char name[TASK_COMM_LEN]; |
| }; |
| |
| /* the value of the output summary */ |
| struct val_t { |
| __u64 bytes; |
| __u64 us; |
| __u32 io; |
| }; |
| |
| #endif /* __BIOTOP_H */ |