Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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#ifndef HAVE_ATTR_TEST
19#define HAVE_ATTR_TEST 1
20#endif
21
22static inline int
23sys_perf_event_open(struct perf_event_attr *attr,
24 pid_t pid, int cpu, int group_fd,
25 unsigned long flags)
26{
27 int fd;
28
29 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
30 group_fd, flags);
31
32#if HAVE_ATTR_TEST
33 if (unlikely(test_attr__enabled))
34 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
35#endif
36 return fd;
37}
38
39#endif /* _PERF_SYS_H */