xref: /OK3568_Linux_fs/kernel/include/trace/hooks/logbuf.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #undef TRACE_SYSTEM
3*4882a593Smuzhiyun #define TRACE_SYSTEM logbuf
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #define TRACE_INCLUDE_PATH trace/hooks
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #if !defined(_TRACE_HOOK_LOGBUF_H) || defined(TRACE_HEADER_MULTI_READ)
8*4882a593Smuzhiyun #define _TRACE_HOOK_LOGBUF_H
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun #include <linux/tracepoint.h>
11*4882a593Smuzhiyun #include <trace/hooks/vendor_hooks.h>
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun #if defined(__GENKSYMS__) || !IS_ENABLED(CONFIG_PRINTK)
14*4882a593Smuzhiyun struct printk_record;
15*4882a593Smuzhiyun struct printk_ringbuffer;
16*4882a593Smuzhiyun #else
17*4882a593Smuzhiyun /* struct printk_record, struct printk_ringbuffer */
18*4882a593Smuzhiyun #include <../kernel/printk/printk_ringbuffer.h>
19*4882a593Smuzhiyun #endif /* __GENKSYMS__ */
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun DECLARE_HOOK(android_vh_logbuf,
22*4882a593Smuzhiyun 	TP_PROTO(struct printk_ringbuffer *rb, struct printk_record *r),
23*4882a593Smuzhiyun 	TP_ARGS(rb, r))
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun DECLARE_HOOK(android_vh_logbuf_pr_cont,
26*4882a593Smuzhiyun 	TP_PROTO(struct printk_record *r, size_t text_len),
27*4882a593Smuzhiyun 	TP_ARGS(r, text_len))
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun #endif /* _TRACE_HOOK_LOGBUF_H */
30*4882a593Smuzhiyun /* This part must be outside protection */
31*4882a593Smuzhiyun #include <trace/define_trace.h>
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