From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/tools/testing/selftests/bpf/trace_helpers.h | 14 +++++---------
1 files changed, 5 insertions(+), 9 deletions(-)
diff --git a/kernel/tools/testing/selftests/bpf/trace_helpers.h b/kernel/tools/testing/selftests/bpf/trace_helpers.h
index 18924f2..f62fdef 100644
--- a/kernel/tools/testing/selftests/bpf/trace_helpers.h
+++ b/kernel/tools/testing/selftests/bpf/trace_helpers.h
@@ -2,8 +2,7 @@
#ifndef __TRACE_HELPER_H
#define __TRACE_HELPER_H
-#include <libbpf.h>
-#include <linux/perf_event.h>
+#include <bpf/libbpf.h>
struct ksym {
long addr;
@@ -14,12 +13,9 @@
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);
+/* open kallsyms and find addresses on the fly, faster than load + search. */
+int kallsyms_find(const char *sym, unsigned long long *addr);
-int perf_event_mmap(int fd);
-int perf_event_mmap_header(int fd, struct perf_event_mmap_page **header);
-/* return LIBBPF_PERF_EVENT_DONE or LIBBPF_PERF_EVENT_ERROR */
-int perf_event_poller(int fd, perf_event_print_fn output_fn);
-int perf_event_poller_multi(int *fds, struct perf_event_mmap_page **headers,
- int num_fds, perf_event_print_fn output_fn);
+void read_trace_pipe(void);
+
#endif
--
Gitblit v1.6.2