/* SPDX-License-Identifier: GPL-2.0 */ #ifndef PERF_UTIL_BPF_FILTER_H #define PERF_UTIL_BPF_FILTER_H #include <linux/list.h> #include "bpf_skel/sample-filter.h" #include "util/debug.h" struct perf_bpf_filter_expr { struct list_head list; struct list_head groups; enum perf_bpf_filter_op op; int part; enum perf_bpf_filter_term term; unsigned long val; }; struct evsel; struct target; /* path in BPF-fs for the pinned program and maps */ #define PERF_BPF_FILTER_PIN_PATH "perf_filter" #ifdef HAVE_BPF_SKEL struct perf_bpf_filter_expr *perf_bpf_filter_expr__new(enum perf_bpf_filter_term term, int part, enum perf_bpf_filter_op op, unsigned long val); int perf_bpf_filter__parse(struct list_head *expr_head, const char *str); int perf_bpf_filter__prepare(struct evsel *evsel, struct target *target); int perf_bpf_filter__destroy(struct evsel *evsel); u64 perf_bpf_filter__lost_count(struct evsel *evsel); int perf_bpf_filter__pin(void); int perf_bpf_filter__unpin(void); #else /* !HAVE_BPF_SKEL */ static inline int perf_bpf_filter__parse(struct list_head *expr_head __maybe_unused, const char *str __maybe_unused) { pr_err("Error: BPF filter is requested but perf is not built with BPF.\n" "\tPlease make sure to build with libbpf and BPF skeleton.\n"); return -EOPNOTSUPP; } static inline int perf_bpf_filter__prepare(struct evsel *evsel __maybe_unused, struct target *target __maybe_unused) { return -EOPNOTSUPP; } static inline int perf_bpf_filter__destroy(struct evsel *evsel __maybe_unused) { return -EOPNOTSUPP; } static inline u64 perf_bpf_filter__lost_count(struct evsel *evsel __maybe_unused) { return 0; } static inline int perf_bpf_filter__pin(void) { return -EOPNOTSUPP; } static inline int perf_bpf_filter__unpin(void) { return -EOPNOTSUPP; } #endif /* HAVE_BPF_SKEL*/ #endif /* PERF_UTIL_BPF_FILTER_H */