aboutsummaryrefslogtreecommitdiffstats
path: root/tools/perf/util/probe-event.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/probe-event.h')
-rw-r--r--tools/perf/util/probe-event.h130
1 files changed, 117 insertions, 13 deletions
diff --git a/tools/perf/util/probe-event.h b/tools/perf/util/probe-event.h
index 711287d4bae..e9db1a214ca 100644
--- a/tools/perf/util/probe-event.h
+++ b/tools/perf/util/probe-event.h
@@ -2,21 +2,125 @@
2#define _PROBE_EVENT_H 2#define _PROBE_EVENT_H
3 3
4#include <stdbool.h> 4#include <stdbool.h>
5#include "probe-finder.h"
6#include "strlist.h" 5#include "strlist.h"
7 6
8extern void parse_line_range_desc(const char *arg, struct line_range *lr); 7extern bool probe_event_dry_run;
9extern void parse_perf_probe_event(const char *str, struct probe_point *pp, 8
10 bool *need_dwarf); 9/* kprobe-tracer tracing point */
11extern int synthesize_perf_probe_point(struct probe_point *pp); 10struct kprobe_trace_point {
12extern int synthesize_perf_probe_event(struct probe_point *pp); 11 char *symbol; /* Base symbol */
13extern void parse_trace_kprobe_event(const char *str, struct probe_point *pp); 12 unsigned long offset; /* Offset from symbol */
14extern int synthesize_trace_kprobe_event(struct probe_point *pp); 13 bool retprobe; /* Return probe flag */
15extern void add_trace_kprobe_events(struct probe_point *probes, int nr_probes, 14};
16 bool force_add); 15
17extern void del_trace_kprobe_events(struct strlist *dellist); 16/* kprobe-tracer tracing argument referencing offset */
18extern void show_perf_probe_events(void); 17struct kprobe_trace_arg_ref {
19extern void show_line_range(struct line_range *lr); 18 struct kprobe_trace_arg_ref *next; /* Next reference */
19 long offset; /* Offset value */
20};
21
22/* kprobe-tracer tracing argument */
23struct kprobe_trace_arg {
24 char *name; /* Argument name */
25 char *value; /* Base value */
26 char *type; /* Type name */
27 struct kprobe_trace_arg_ref *ref; /* Referencing offset */
28};
29
30/* kprobe-tracer tracing event (point + arg) */
31struct kprobe_trace_event {
32 char *event; /* Event name */
33 char *group; /* Group name */
34 struct kprobe_trace_point point; /* Trace point */
35 int nargs; /* Number of args */
36 struct kprobe_trace_arg *args; /* Arguments */
37};
38
39/* Perf probe probing point */
40struct perf_probe_point {
41 char *file; /* File path */
42 char *function; /* Function name */
43 int line; /* Line number */
44 bool retprobe; /* Return probe flag */
45 char *lazy_line; /* Lazy matching pattern */
46 unsigned long offset; /* Offset from function entry */
47};
48
49/* Perf probe probing argument field chain */
50struct perf_probe_arg_field {
51 struct perf_probe_arg_field *next; /* Next field */
52 char *name; /* Name of the field */
53 bool ref; /* Referencing flag */
54};
55
56/* Perf probe probing argument */
57struct perf_probe_arg {
58 char *name; /* Argument name */
59 char *var; /* Variable name */
60 char *type; /* Type name */
61 struct perf_probe_arg_field *field; /* Structure fields */
62};
63
64/* Perf probe probing event (point + arg) */
65struct perf_probe_event {
66 char *event; /* Event name */
67 char *group; /* Group name */
68 struct perf_probe_point point; /* Probe point */
69 int nargs; /* Number of arguments */
70 struct perf_probe_arg *args; /* Arguments */
71};
72
73
74/* Line number container */
75struct line_node {
76 struct list_head list;
77 int line;
78};
79
80/* Line range */
81struct line_range {
82 char *file; /* File name */
83 char *function; /* Function name */
84 int start; /* Start line number */
85 int end; /* End line number */
86 int offset; /* Start line offset */
87 char *path; /* Real path name */
88 struct list_head line_list; /* Visible lines */
89};
90
91/* Command string to events */
92extern int parse_perf_probe_command(const char *cmd,
93 struct perf_probe_event *pev);
94extern int parse_kprobe_trace_command(const char *cmd,
95 struct kprobe_trace_event *tev);
96
97/* Events to command string */
98extern char *synthesize_perf_probe_command(struct perf_probe_event *pev);
99extern char *synthesize_kprobe_trace_command(struct kprobe_trace_event *tev);
100extern int synthesize_perf_probe_arg(struct perf_probe_arg *pa, char *buf,
101 size_t len);
102
103/* Check the perf_probe_event needs debuginfo */
104extern bool perf_probe_event_need_dwarf(struct perf_probe_event *pev);
105
106/* Convert from kprobe_trace_event to perf_probe_event */
107extern int convert_to_perf_probe_event(struct kprobe_trace_event *tev,
108 struct perf_probe_event *pev);
109
110/* Release event contents */
111extern void clear_perf_probe_event(struct perf_probe_event *pev);
112extern void clear_kprobe_trace_event(struct kprobe_trace_event *tev);
113
114/* Command string to line-range */
115extern int parse_line_range_desc(const char *cmd, struct line_range *lr);
116
117
118extern int add_perf_probe_events(struct perf_probe_event *pevs, int npevs,
119 bool force_add, int max_probe_points);
120extern int del_perf_probe_events(struct strlist *dellist);
121extern int show_perf_probe_events(void);
122extern int show_line_range(struct line_range *lr);
123
20 124
21/* Maximum index number of event-name postfix */ 125/* Maximum index number of event-name postfix */
22#define MAX_EVENT_INDEX 1024 126#define MAX_EVENT_INDEX 1024
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-25 13:33:55 -0500