aboutsummaryrefslogtreecommitdiff
path: root/tools/testing/selftests/bpf/trace_helpers.h
diff options
context:
space:
mode:
authorThomas Gleixner <[email protected]>2018-06-22 21:20:35 +0200
committerThomas Gleixner <[email protected]>2018-06-22 21:20:35 +0200
commit7731b8bc94e599c9a79e428f3359ff2c34b7576a (patch)
tree879f18ccbe274122f2d4f095b43cbc7f953e0ada /tools/testing/selftests/bpf/trace_helpers.h
parent48e315618dc4dc8904182cd221e3d395d5d97005 (diff)
parent9ffc59d57228d74809700be6f7ecb1db10292f05 (diff)
Merge branch 'linus' into x86/urgent
Required to queue a dependent fix.
Diffstat (limited to 'tools/testing/selftests/bpf/trace_helpers.h')
-rw-r--r--tools/testing/selftests/bpf/trace_helpers.h21
1 files changed, 21 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..3b4bcf7f5084
--- /dev/null
+++ b/tools/testing/selftests/bpf/trace_helpers.h
@@ -0,0 +1,21 @@
+/* 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);
+long ksym_get_addr(const char *name);
+
+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