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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _PERF_SYS_H
3#define _PERF_SYS_H
4
5#include <unistd.h>
6#include <sys/types.h>
7#include <sys/syscall.h>
8#include <linux/compiler.h>
9
10struct perf_event_attr;
11
12extern bool test_attr__enabled;
13void test_attr__ready(void);
14void test_attr__init(void);
15void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
16 int fd, int group_fd, unsigned long flags);
17
18#define HAVE_ATTR_TEST
19
20static inline int
21sys_perf_event_open(struct perf_event_attr *attr,
22 pid_t pid, int cpu, int group_fd,
23 unsigned long flags)
24{
25 int fd;
26
27 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
28 group_fd, flags);
29
30#ifdef HAVE_ATTR_TEST
31 if (unlikely(test_attr__enabled))
32 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
33#endif
34 return fd;
35}
36
37#endif /* _PERF_SYS_H */