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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef PERF_UTIL_BPF_FILTER_H
3#define PERF_UTIL_BPF_FILTER_H
4
5#include <linux/list.h>
6
7#include "bpf_skel/sample-filter.h"
8
9struct perf_bpf_filter_expr {
10 struct list_head list;
11 struct list_head groups;
12 enum perf_bpf_filter_op op;
13 int part;
14 enum perf_bpf_filter_term term;
15 unsigned long val;
16};
17
18struct evsel;
19struct target;
20
21/* path in BPF-fs for the pinned program and maps */
22#define PERF_BPF_FILTER_PIN_PATH "perf_filter"
23
24#ifdef HAVE_BPF_SKEL
25struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(enum perf_bpf_filter_term term,
26 int part,
27 enum perf_bpf_filter_op op,
28 unsigned long val);
29int perf_bpf_filter__parse(struct list_head *expr_head, const char *str);
30int perf_bpf_filter__prepare(struct evsel *evsel, struct target *target);
31int perf_bpf_filter__destroy(struct evsel *evsel);
32u64 perf_bpf_filter__lost_count(struct evsel *evsel);
33int perf_bpf_filter__pin(void);
34int perf_bpf_filter__unpin(void);
35
36#else /* !HAVE_BPF_SKEL */
37
38static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused,
39 const char *str __maybe_unused)
40{
41 return -EOPNOTSUPP;
42}
43static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused,
44 struct target *target __maybe_unused)
45{
46 return -EOPNOTSUPP;
47}
48static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused)
49{
50 return -EOPNOTSUPP;
51}
52static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused)
53{
54 return 0;
55}
56static inline int perf_bpf_filter__pin(void)
57{
58 return -EOPNOTSUPP;
59}
60static inline int perf_bpf_filter__unpin(void)
61{
62 return -EOPNOTSUPP;
63}
64#endif /* HAVE_BPF_SKEL*/
65#endif /* PERF_UTIL_BPF_FILTER_H */