xref: /linux/tools/perf/perf-sys.h (revision 680e6ffa15103ab610c0fc1241d2f98c801b13e2)
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 
57 static inline int
58 sys_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 */
75