1 /*
2  * This file is auto-generated. Modifications will be lost.
3  *
4  * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
5  * for more information.
6  */
7 #ifndef _TRACE_MMAP_H_
8 #define _TRACE_MMAP_H_
9 #include <linux/types.h>
10 struct trace_buffer_meta {
11   __u32 meta_page_size;
12   __u32 meta_struct_len;
13   __u32 subbuf_size;
14   __u32 nr_subbufs;
15   struct {
16     __u64 lost_events;
17     __u32 id;
18     __u32 read;
19   } reader;
20   __u64 flags;
21   __u64 entries;
22   __u64 overrun;
23   __u64 read;
24   __u64 Reserved1;
25   __u64 Reserved2;
26 };
27 #define TRACE_MMAP_IOCTL_GET_READER _IO('R', 0x20)
28 #endif
29