blob: a34cd15733b8f0102211b3d34dfe21cb1785eb31 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#ifndef __PERF_FTRACE_H__
#define __PERF_FTRACE_H__
#include <linux/list.h>
#include "target.h"
struct evlist;
struct perf_ftrace {
struct evlist *evlist;
struct target target;
const char *tracer;
struct list_head filters;
struct list_head notrace;
struct list_head graph_funcs;
struct list_head nograph_funcs;
unsigned long percpu_buffer_size;
bool inherit;
bool use_nsec;
int graph_depth;
int func_stack_trace;
int func_irq_info;
int graph_nosleep_time;
int graph_noirqs;
int graph_verbose;
int graph_thresh;
unsigned int initial_delay;
};
struct filter_entry {
struct list_head list;
char name[];
};
#define NUM_BUCKET 22 /* 20 + 2 (for outliers in both direction) */
#ifdef HAVE_BPF_SKEL
int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace);
int perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace,
int buckets[]);
int perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace);
#else /* !HAVE_BPF_SKEL */
static inline int
perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace __maybe_unused,
int buckets[] __maybe_unused)
{
return -1;
}
static inline int
perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace __maybe_unused)
{
return -1;
}
#endif /* HAVE_BPF_SKEL */
#endif /* __PERF_FTRACE_H__ */
|
