1 files changed, 72 insertions, 0 deletions
diff --git a/tools/perf/util/bpf_counter.h b/tools/perf/util/bpf_counter.h
new file mode 100644
index 000000000000..2eca210e5dc1
--- /dev/null
+++ b/tools/perf/util/bpf_counter.h
@@ -0,0 +1,72 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PERF_BPF_COUNTER_H
+#define __PERF_BPF_COUNTER_H 1
+
+#include <linux/list.h>
+
+struct evsel;
+struct target;
+struct bpf_counter;
+
+typedef int (*bpf_counter_evsel_op)(struct evsel *evsel);
+typedef int (*bpf_counter_evsel_target_op)(struct evsel *evsel,
+					   struct target *target);
+typedef int (*bpf_counter_evsel_install_pe_op)(struct evsel *evsel,
+					       int cpu,
+					       int fd);
+
+struct bpf_counter_ops {
+	bpf_counter_evsel_target_op load;
+	bpf_counter_evsel_op enable;
+	bpf_counter_evsel_op read;
+	bpf_counter_evsel_op destroy;
+	bpf_counter_evsel_install_pe_op install_pe;
+};
+
+struct bpf_counter {
+	void *skel;
+	struct list_head list;
+};
+
+#ifdef HAVE_BPF_SKEL
+
+int bpf_counter__load(struct evsel *evsel, struct target *target);
+int bpf_counter__enable(struct evsel *evsel);
+int bpf_counter__read(struct evsel *evsel);
+void bpf_counter__destroy(struct evsel *evsel);
+int bpf_counter__install_pe(struct evsel *evsel, int cpu, int fd);
+
+#else /* HAVE_BPF_SKEL */
+
+#include<linux/err.h>
+
+static inline int bpf_counter__load(struct evsel *evsel __maybe_unused,
+				    struct target *target __maybe_unused)
+{
+	return 0;
+}
+
+static inline int bpf_counter__enable(struct evsel *evsel __maybe_unused)
+{
+	return 0;
+}
+
+static inline int bpf_counter__read(struct evsel *evsel __maybe_unused)
+{
+	return -EAGAIN;
+}
+
+static inline void bpf_counter__destroy(struct evsel *evsel __maybe_unused)
+{
+}
+
+static inline int bpf_counter__install_pe(struct evsel *evsel __maybe_unused,
+					  int cpu __maybe_unused,
+					  int fd __maybe_unused)
+{
+	return 0;
+}
+
+#endif /* HAVE_BPF_SKEL */
+
+#endif /* __PERF_BPF_COUNTER_H */