1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_TOOL_H
3 #define __PERF_TOOL_H
4 
5 #include <stdbool.h>
6 
7 #include <linux/types.h>
8 
9 struct perf_session;
10 union perf_event;
11 struct evlist;
12 struct evsel;
13 struct perf_sample;
14 struct perf_tool;
15 struct machine;
16 struct ordered_events;
17 
18 typedef int (*event_sample)(const struct perf_tool *tool, union perf_event *event,
19 			    struct perf_sample *sample,
20 			    struct evsel *evsel, struct machine *machine);
21 
22 typedef int (*event_op)(const struct perf_tool *tool, union perf_event *event,
23 			struct perf_sample *sample, struct machine *machine);
24 
25 typedef int (*event_attr_op)(const struct perf_tool *tool,
26 			     union perf_event *event,
27 			     struct evlist **pevlist);
28 
29 typedef int (*event_op2)(struct perf_session *session, union perf_event *event);
30 typedef s64 (*event_op3)(struct perf_session *session, union perf_event *event);
31 typedef int (*event_op4)(struct perf_session *session, union perf_event *event, u64 data,
32 			 const char *str);
33 
34 typedef int (*event_oe)(const struct perf_tool *tool, union perf_event *event,
35 			struct ordered_events *oe);
36 
37 enum show_feature_header {
38 	SHOW_FEAT_NO_HEADER = 0,
39 	SHOW_FEAT_HEADER,
40 	SHOW_FEAT_HEADER_FULL_INFO,
41 };
42 
43 struct perf_tool {
44 	event_sample	sample,
45 			read;
46 	event_op	mmap,
47 			mmap2,
48 			comm,
49 			namespaces,
50 			cgroup,
51 			fork,
52 			exit,
53 			lost,
54 			lost_samples,
55 			aux,
56 			itrace_start,
57 			aux_output_hw_id,
58 			context_switch,
59 			throttle,
60 			unthrottle,
61 			ksymbol,
62 			bpf,
63 			text_poke;
64 
65 	event_attr_op	attr;
66 	event_attr_op	event_update;
67 	event_op2	tracing_data;
68 	event_oe	finished_round;
69 	event_op2	build_id,
70 			id_index,
71 			auxtrace_info,
72 			auxtrace_error,
73 			time_conv,
74 			thread_map,
75 			cpu_map,
76 			stat_config,
77 			stat,
78 			stat_round,
79 			feature,
80 			finished_init;
81 	event_op4	compressed;
82 	event_op3	auxtrace;
83 	bool		ordered_events;
84 	bool		ordering_requires_timestamps;
85 	bool		namespace_events;
86 	bool		cgroup_events;
87 	bool		no_warn;
88 	bool		dont_split_sample_group;
89 	enum show_feature_header show_feat_hdr;
90 };
91 
92 void perf_tool__init(struct perf_tool *tool, bool ordered_events);
93 
94 bool perf_tool__compressed_is_stub(const struct perf_tool *tool);
95 
96 int process_event_sample_stub(const struct perf_tool *tool,
97 			      union perf_event *event,
98 			      struct perf_sample *sample,
99 			      struct evsel *evsel,
100 			      struct machine *machine);
101 
102 #endif /* __PERF_TOOL_H */
103