Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/trace/define_custom_trace.h
26282 views
1
/* SPDX-License-Identifier: GPL-2.0 */

2
/*

3
 * Trace files that want to automate creation of all tracepoints defined

4
 * in their file should include this file. The following are macros that the

5
 * trace file may define:

6
 *

7
 * TRACE_SYSTEM defines the system the tracepoint is for

8
 *

9
 * TRACE_INCLUDE_FILE if the file name is something other than TRACE_SYSTEM.h

10
 *     This macro may be defined to tell define_trace.h what file to include.

11
 *     Note, leave off the ".h".

12
 *

13
 * TRACE_INCLUDE_PATH if the path is something other than core kernel include/trace

14
 *     then this macro can define the path to use. Note, the path is relative to

15
 *     define_trace.h, not the file including it. Full path names for out of tree

16
 *     modules must be used.

17
 */

18


19
#ifdef CREATE_CUSTOM_TRACE_EVENTS

20


21
/* Prevent recursion */

22
#undef CREATE_CUSTOM_TRACE_EVENTS

23


24
#include <linux/stringify.h>

25


26
#undef TRACE_CUSTOM_EVENT

27
#define TRACE_CUSTOM_EVENT(name, proto, args, tstruct, assign, print)

28


29
#undef DEFINE_CUSTOM_EVENT

30
#define DEFINE_CUSTOM_EVENT(template, name, proto, args)

31


32
#undef TRACE_INCLUDE

33
#undef __TRACE_INCLUDE

34


35
#ifndef TRACE_INCLUDE_FILE

36
# define TRACE_INCLUDE_FILE TRACE_SYSTEM

37
# define UNDEF_TRACE_INCLUDE_FILE

38
#endif

39


40
#ifndef TRACE_INCLUDE_PATH

41
# define __TRACE_INCLUDE(system) <trace/events/system.h>

42
# define UNDEF_TRACE_INCLUDE_PATH

43
#else

44
# define __TRACE_INCLUDE(system) __stringify(TRACE_INCLUDE_PATH/system.h)

45
#endif

46


47
# define TRACE_INCLUDE(system) __TRACE_INCLUDE(system)

48


49
/* Let the trace headers be reread */

50
#define TRACE_CUSTOM_MULTI_READ

51


52
#include TRACE_INCLUDE(TRACE_INCLUDE_FILE)

53


54
#ifdef TRACEPOINTS_ENABLED

55
#include <trace/trace_custom_events.h>

56
#endif

57


58
#undef TRACE_CUSTOM_EVENT

59
#undef DECLARE_CUSTOM_EVENT_CLASS

60
#undef DEFINE_CUSTOM_EVENT

61
#undef TRACE_CUSTOM_MULTI_READ

62


63
/* Only undef what we defined in this file */

64
#ifdef UNDEF_TRACE_INCLUDE_FILE

65
# undef TRACE_INCLUDE_FILE

66
# undef UNDEF_TRACE_INCLUDE_FILE

67
#endif

68


69
#ifdef UNDEF_TRACE_INCLUDE_PATH

70
# undef TRACE_INCLUDE_PATH

71
# undef UNDEF_TRACE_INCLUDE_PATH

72
#endif

73


74
/* We may be processing more files */

75
#define CREATE_CUSTOM_TRACE_POINTS

76


77
#endif /* CREATE_CUSTOM_TRACE_POINTS */

78


79