Merge branch 'akpm' (patches from Andrew)
[platform/kernel/linux-rpi.git] / drivers / base / trace.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Device core Trace Support
4  * Copyright (C) 2021, Intel Corporation
5  *
6  * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
7  */
8
9 #undef TRACE_SYSTEM
10 #define TRACE_SYSTEM dev
11
12 #if !defined(__DEV_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
13 #define __DEV_TRACE_H
14
15 #include <linux/device.h>
16 #include <linux/tracepoint.h>
17 #include <linux/types.h>
18
19 DECLARE_EVENT_CLASS(devres,
20         TP_PROTO(struct device *dev, const char *op, void *node, const char *name, size_t size),
21         TP_ARGS(dev, op, node, name, size),
22         TP_STRUCT__entry(
23                 __string(devname, dev_name(dev))
24                 __field(struct device *, dev)
25                 __field(const char *, op)
26                 __field(void *, node)
27                 __field(const char *, name)
28                 __field(size_t, size)
29         ),
30         TP_fast_assign(
31                 __assign_str(devname, dev_name(dev));
32                 __entry->op = op;
33                 __entry->node = node;
34                 __entry->name = name;
35                 __entry->size = size;
36         ),
37         TP_printk("%s %3s %p %s (%zu bytes)", __get_str(devname),
38                   __entry->op, __entry->node, __entry->name, __entry->size)
39 );
40
41 DEFINE_EVENT(devres, devres_log,
42         TP_PROTO(struct device *dev, const char *op, void *node, const char *name, size_t size),
43         TP_ARGS(dev, op, node, name, size)
44 );
45
46 #endif /* __DEV_TRACE_H */
47
48 /* this part has to be here */
49
50 #undef TRACE_INCLUDE_PATH
51 #define TRACE_INCLUDE_PATH .
52
53 #undef TRACE_INCLUDE_FILE
54 #define TRACE_INCLUDE_FILE trace
55
56 #include <trace/define_trace.h>