tools/perf/util/bpf-filter.h

   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
   9 struct 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         unsigned long sample_flags;
  15         unsigned long val;
  16 };
  17
  18 struct evsel;
  19
  20 #ifdef HAVE_BPF_SKEL
  21 struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(unsigned long sample_flags, int part,
  22                                                        enum perf_bpf_filter_op op,
  23                                                        unsigned long val);
  24 int perf_bpf_filter__parse(struct list_head *expr_head, const char *str);
  25 int perf_bpf_filter__prepare(struct evsel *evsel);
  26 int perf_bpf_filter__destroy(struct evsel *evsel);
  27 u64 perf_bpf_filter__lost_count(struct evsel *evsel);
  28
  29 #else /* !HAVE_BPF_SKEL */
  30
  31 static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused,
  32                                          const char *str __maybe_unused)
  33 {
  34         return -EOPNOTSUPP;
  35 }
  36 static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused)
  37 {
  38         return -EOPNOTSUPP;
  39 }
  40 static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused)
  41 {
  42         return -EOPNOTSUPP;
  43 }
  44 static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused)
  45 {
  46         return 0;
  47 }
  48 #endif /* HAVE_BPF_SKEL*/
  49 #endif /* PERF_UTIL_BPF_FILTER_H */