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 enum perf_bpf_filter_term term; 15 unsigned long val; 16 }; 17 18 struct evsel; 19 struct 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 25 struct 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); 29 int perf_bpf_filter__parse(struct list_head *expr_head, const char *str); 30 int perf_bpf_filter__prepare(struct evsel *evsel, struct target *target); 31 int perf_bpf_filter__destroy(struct evsel *evsel); 32 u64 perf_bpf_filter__lost_count(struct evsel *evsel); 33 int perf_bpf_filter__pin(void); 34 int perf_bpf_filter__unpin(void); 35 36 #else /* !HAVE_BPF_SKEL */ 37 perf_bpf_filter__parse(struct list_head * expr_head __maybe_unused,const char * str __maybe_unused)38 static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused, 39 const char *str __maybe_unused) 40 { 41 return -EOPNOTSUPP; 42 } perf_bpf_filter__prepare(struct evsel * evsel __maybe_unused,struct target * target __maybe_unused)43 static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused, 44 struct target *target __maybe_unused) 45 { 46 return -EOPNOTSUPP; 47 } perf_bpf_filter__destroy(struct evsel * evsel __maybe_unused)48 static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused) 49 { 50 return -EOPNOTSUPP; 51 } perf_bpf_filter__lost_count(struct evsel * evsel __maybe_unused)52 static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused) 53 { 54 return 0; 55 } perf_bpf_filter__pin(void)56 static inline int perf_bpf_filter__pin(void) 57 { 58 return -EOPNOTSUPP; 59 } perf_bpf_filter__unpin(void)60 static inline int perf_bpf_filter__unpin(void) 61 { 62 return -EOPNOTSUPP; 63 } 64 #endif /* HAVE_BPF_SKEL*/ 65 #endif /* PERF_UTIL_BPF_FILTER_H */ 66