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Linux kernel mirror (for testing)
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __TRACE_HELPER_H
3#define __TRACE_HELPER_H
4
5#include <libbpf.h>
6#include <linux/perf_event.h>
7
8struct ksym {
9 long addr;
10 char *name;
11};
12
13int load_kallsyms(void);
14struct ksym *ksym_search(long key);
15long ksym_get_addr(const char *name);
16
17typedef enum bpf_perf_event_ret (*perf_event_print_fn)(void *data, int size);
18
19int perf_event_mmap(int fd);
20int perf_event_mmap_header(int fd, struct perf_event_mmap_page **header);
21/* return LIBBPF_PERF_EVENT_DONE or LIBBPF_PERF_EVENT_ERROR */
22int perf_event_poller(int fd, perf_event_print_fn output_fn);
23int perf_event_poller_multi(int *fds, struct perf_event_mmap_page **headers,
24 int num_fds, perf_event_print_fn output_fn);
25#endif