|  | /* | 
|  | * This file is auto-generated. Modifications will be lost. | 
|  | * | 
|  | * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ | 
|  | * for more information. | 
|  | */ | 
|  | #ifndef _TRACE_MMAP_H_ | 
|  | #define _TRACE_MMAP_H_ | 
|  | #include <linux/types.h> | 
|  | struct trace_buffer_meta { | 
|  | __u32 meta_page_size; | 
|  | __u32 meta_struct_len; | 
|  | __u32 subbuf_size; | 
|  | __u32 nr_subbufs; | 
|  | struct { | 
|  | __u64 lost_events; | 
|  | __u32 id; | 
|  | __u32 read; | 
|  | } reader; | 
|  | __u64 flags; | 
|  | __u64 entries; | 
|  | __u64 overrun; | 
|  | __u64 read; | 
|  | __u64 Reserved1; | 
|  | __u64 Reserved2; | 
|  | }; | 
|  | #define TRACE_MMAP_IOCTL_GET_READER _IO('R', 0x20) | 
|  | #endif |