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/types.h>
 9#include <linux/compiler.h>
10#include <linux/perf_event.h>
11#include <asm/barrier.h>
12
13#ifdef __powerpc__
14#define CPUINFO_PROC	{"cpu"}
15#endif
16
17#ifdef __s390__
18#define CPUINFO_PROC	{"vendor_id"}
19#endif
20
21#ifdef __sh__
22#define CPUINFO_PROC	{"cpu type"}
23#endif
24
25#ifdef __hppa__
26#define CPUINFO_PROC	{"cpu"}
27#endif
28
29#ifdef __sparc__
30#define CPUINFO_PROC	{"cpu"}
31#endif
32
33#ifdef __alpha__
34#define CPUINFO_PROC	{"cpu model"}
35#endif
36
37#ifdef __arm__
38#define CPUINFO_PROC	{"model name", "Processor"}
39#endif
40
41#ifdef __mips__
42#define CPUINFO_PROC	{"cpu model"}
43#endif
44
45#ifdef __arc__
46#define CPUINFO_PROC	{"Processor"}
47#endif
48
49#ifdef __xtensa__
50#define CPUINFO_PROC	{"core ID"}
51#endif
52
53#ifndef CPUINFO_PROC
54#define CPUINFO_PROC	{ "model name", }
55#endif
56
57static inline int
58sys_perf_event_open(struct perf_event_attr *attr,
59		      pid_t pid, int cpu, int group_fd,
60		      unsigned long flags)
61{
62	int fd;
63
64	fd = syscall(__NR_perf_event_open, attr, pid, cpu,
65		     group_fd, flags);
66
67#ifdef HAVE_ATTR_TEST
68	if (unlikely(test_attr__enabled))
69		test_attr__open(attr, pid, cpu, fd, group_fd, flags);
70#endif
71	return fd;
72}
73
74#endif /* _PERF_SYS_H */

 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 */