summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/bpf/trace_helpers.h
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/bpf/trace_helpers.h')
-rw-r--r--tools/testing/selftests/bpf/trace_helpers.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/trace_helpers.h b/tools/testing/selftests/bpf/trace_helpers.h
new file mode 100644
index 000000000000..36d90e3b1ea9
--- /dev/null
+++ b/tools/testing/selftests/bpf/trace_helpers.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __TRACE_HELPER_H
+#define __TRACE_HELPER_H
+
+#include <libbpf.h>
+
+struct ksym {
+ long addr;
+ char *name;
+};
+
+int load_kallsyms(void);
+struct ksym *ksym_search(long key);
+
+typedef enum bpf_perf_event_ret (*perf_event_print_fn)(void *data, int size);
+
+int perf_event_mmap(int fd);
+/* return LIBBPF_PERF_EVENT_DONE or LIBBPF_PERF_EVENT_ERROR */
+int perf_event_poller(int fd, perf_event_print_fn output_fn);
+#endif