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-rw-r--r--tools/perf/perf-sys.h22
-rw-r--r--tools/perf/perf.h40
2 files changed, 33 insertions, 29 deletions
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 4c22c2a66b6c..5268a1481d23 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -1,6 +1,11 @@
1#ifndef _PERF_SYS_H 1#ifndef _PERF_SYS_H
2#define _PERF_SYS_H 2#define _PERF_SYS_H
3 3
4#include <unistd.h>
5#include <sys/types.h>
6#include <sys/syscall.h>
7#include <linux/types.h>
8#include <linux/perf_event.h>
4#include <asm/unistd.h> 9#include <asm/unistd.h>
5 10
6#if defined(__i386__) 11#if defined(__i386__)
@@ -165,4 +170,21 @@
165#define cpu_relax() barrier() 170#define cpu_relax() barrier()
166#endif 171#endif
167 172
173static inline int
174sys_perf_event_open(struct perf_event_attr *attr,
175 pid_t pid, int cpu, int group_fd,
176 unsigned long flags)
177{
178 int fd;
179
180 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
181 group_fd, flags);
182
183#ifdef HAVE_ATTR_TEST
184 if (unlikely(test_attr__enabled))
185 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
186#endif
187 return fd;
188}
189
168#endif /* _PERF_SYS_H */ 190#endif /* _PERF_SYS_H */
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index ee959659b778..813571b07246 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -1,18 +1,21 @@
1#ifndef _PERF_PERF_H 1#ifndef _PERF_PERF_H
2#define _PERF_PERF_H 2#define _PERF_PERF_H
3 3
4#include "perf-sys.h"
5
6#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
7
8#include <time.h> 4#include <time.h>
9#include <unistd.h> 5#include <stdbool.h>
10#include <sys/types.h>
11#include <sys/syscall.h>
12
13#include <linux/types.h> 6#include <linux/types.h>
14#include <linux/perf_event.h> 7#include <linux/perf_event.h>
15 8
9extern bool test_attr__enabled;
10void test_attr__init(void);
11void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
12 int fd, int group_fd, unsigned long flags);
13
14#define HAVE_ATTR_TEST
15#include "perf-sys.h"
16
17#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x))
18
16#ifndef NSEC_PER_SEC 19#ifndef NSEC_PER_SEC
17# define NSEC_PER_SEC 1000000000ULL 20# define NSEC_PER_SEC 1000000000ULL
18#endif 21#endif
@@ -28,27 +31,6 @@ static inline unsigned long long rdclock(void)
28 return ts.tv_sec * 1000000000ULL + ts.tv_nsec; 31 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
29} 32}
30 33
31extern bool test_attr__enabled;
32void test_attr__init(void);
33void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
34 int fd, int group_fd, unsigned long flags);
35
36static inline int
37sys_perf_event_open(struct perf_event_attr *attr,
38 pid_t pid, int cpu, int group_fd,
39 unsigned long flags)
40{
41 int fd;
42
43 fd = syscall(__NR_perf_event_open, attr, pid, cpu,
44 group_fd, flags);
45
46 if (unlikely(test_attr__enabled))
47 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
48
49 return fd;
50}
51
52#define MAX_NR_CPUS 256 34#define MAX_NR_CPUS 256
53 35
54extern const char *input_name; 36extern const char *input_name;