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177f4eac NK |
1 | #ifndef __PERF_FTRACE_H__ |
2 | #define __PERF_FTRACE_H__ | |
3 | ||
4 | #include <linux/list.h> | |
5 | ||
6 | #include "target.h" | |
7 | ||
8 | struct evlist; | |
9 | ||
10 | struct perf_ftrace { | |
11 | struct evlist *evlist; | |
12 | struct target target; | |
13 | const char *tracer; | |
14 | struct list_head filters; | |
15 | struct list_head notrace; | |
16 | struct list_head graph_funcs; | |
17 | struct list_head nograph_funcs; | |
18 | unsigned long percpu_buffer_size; | |
19 | bool inherit; | |
84005bb6 | 20 | bool use_nsec; |
177f4eac NK |
21 | int graph_depth; |
22 | int func_stack_trace; | |
23 | int func_irq_info; | |
24 | int graph_nosleep_time; | |
25 | int graph_noirqs; | |
26 | int graph_verbose; | |
27 | int graph_thresh; | |
177f4eac NK |
28 | }; |
29 | ||
30 | struct filter_entry { | |
31 | struct list_head list; | |
32 | char name[]; | |
33 | }; | |
34 | ||
35 | #define NUM_BUCKET 22 /* 20 + 2 (for outliers in both direction) */ | |
36 | ||
37 | #ifdef HAVE_BPF_SKEL | |
38 | ||
39 | int perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace); | |
40 | int perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace); | |
41 | int perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace); | |
42 | int perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace, | |
43 | int buckets[]); | |
44 | int perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace); | |
45 | ||
46 | #else /* !HAVE_BPF_SKEL */ | |
47 | ||
48 | static inline int | |
49 | perf_ftrace__latency_prepare_bpf(struct perf_ftrace *ftrace __maybe_unused) | |
50 | { | |
51 | return -1; | |
52 | } | |
53 | ||
54 | static inline int | |
55 | perf_ftrace__latency_start_bpf(struct perf_ftrace *ftrace __maybe_unused) | |
56 | { | |
57 | return -1; | |
58 | } | |
59 | ||
60 | static inline int | |
61 | perf_ftrace__latency_stop_bpf(struct perf_ftrace *ftrace __maybe_unused) | |
62 | { | |
63 | return -1; | |
64 | } | |
65 | ||
66 | static inline int | |
67 | perf_ftrace__latency_read_bpf(struct perf_ftrace *ftrace __maybe_unused, | |
68 | int buckets[] __maybe_unused) | |
69 | { | |
70 | return -1; | |
71 | } | |
72 | ||
73 | static inline int | |
74 | perf_ftrace__latency_cleanup_bpf(struct perf_ftrace *ftrace __maybe_unused) | |
75 | { | |
76 | return -1; | |
77 | } | |
78 | ||
79 | #endif /* HAVE_BPF_SKEL */ | |
80 | ||
81 | #endif /* __PERF_FTRACE_H__ */ |