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-rw-r--r--Documentation/perf_counter/Makefile1
-rw-r--r--Documentation/perf_counter/builtin-record.c64
-rw-r--r--Documentation/perf_counter/builtin-stat.c59
-rw-r--r--Documentation/perf_counter/builtin-top.c63
-rw-r--r--Documentation/perf_counter/perf.h64
5 files changed, 70 insertions, 181 deletions
diff --git a/Documentation/perf_counter/Makefile b/Documentation/perf_counter/Makefile
index 877cf5dedb55..481e4c26cd45 100644
--- a/Documentation/perf_counter/Makefile
+++ b/Documentation/perf_counter/Makefile
@@ -287,6 +287,7 @@ export PERL_PATH
287LIB_FILE=libperf.a 287LIB_FILE=libperf.a
288 288
289LIB_H += ../../include/linux/perf_counter.h 289LIB_H += ../../include/linux/perf_counter.h
290LIB_H += perf.h
290LIB_H += util/levenshtein.h 291LIB_H += util/levenshtein.h
291LIB_H += util/parse-options.h 292LIB_H += util/parse-options.h
292LIB_H += util/quote.h 293LIB_H += util/quote.h
diff --git a/Documentation/perf_counter/builtin-record.c b/Documentation/perf_counter/builtin-record.c
index 9cff266fb614..59f1d87f41e9 100644
--- a/Documentation/perf_counter/builtin-record.c
+++ b/Documentation/perf_counter/builtin-record.c
@@ -1,6 +1,7 @@
1 1
2 2
3#define _GNU_SOURCE 3#include "util/util.h"
4
4#include <sys/types.h> 5#include <sys/types.h>
5#include <sys/stat.h> 6#include <sys/stat.h>
6#include <sys/time.h> 7#include <sys/time.h>
@@ -32,66 +33,7 @@
32 33
33#include "../../include/linux/perf_counter.h" 34#include "../../include/linux/perf_counter.h"
34 35
35 36#include "perf.h"
36/*
37 * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
38 * counters in the current task.
39 */
40#define PR_TASK_PERF_COUNTERS_DISABLE 31
41#define PR_TASK_PERF_COUNTERS_ENABLE 32
42
43#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
44
45#define rdclock() \
46({ \
47 struct timespec ts; \
48 \
49 clock_gettime(CLOCK_MONOTONIC, &ts); \
50 ts.tv_sec * 1000000000ULL + ts.tv_nsec; \
51})
52
53/*
54 * Pick up some kernel type conventions:
55 */
56#define __user
57#define asmlinkage
58
59#ifdef __x86_64__
60#define __NR_perf_counter_open 298
61#define rmb() asm volatile("lfence" ::: "memory")
62#define cpu_relax() asm volatile("rep; nop" ::: "memory");
63#endif
64
65#ifdef __i386__
66#define __NR_perf_counter_open 336
67#define rmb() asm volatile("lfence" ::: "memory")
68#define cpu_relax() asm volatile("rep; nop" ::: "memory");
69#endif
70
71#ifdef __powerpc__
72#define __NR_perf_counter_open 319
73#define rmb() asm volatile ("sync" ::: "memory")
74#define cpu_relax() asm volatile ("" ::: "memory");
75#endif
76
77#define unlikely(x) __builtin_expect(!!(x), 0)
78#define min(x, y) ({ \
79 typeof(x) _min1 = (x); \
80 typeof(y) _min2 = (y); \
81 (void) (&_min1 == &_min2); \
82 _min1 < _min2 ? _min1 : _min2; })
83
84extern asmlinkage int sys_perf_counter_open(
85 struct perf_counter_hw_event *hw_event_uptr __user,
86 pid_t pid,
87 int cpu,
88 int group_fd,
89 unsigned long flags);
90
91#define MAX_COUNTERS 64
92#define MAX_NR_CPUS 256
93
94#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))
95 37
96static int nr_counters = 0; 38static int nr_counters = 0;
97static __u64 event_id[MAX_COUNTERS] = { }; 39static __u64 event_id[MAX_COUNTERS] = { };
diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index 9fbc66173de7..6de38d256883 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -85,64 +85,7 @@
85 85
86#include "../../include/linux/perf_counter.h" 86#include "../../include/linux/perf_counter.h"
87 87
88 88#include "perf.h"
89/*
90 * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
91 * counters in the current task.
92 */
93#define PR_TASK_PERF_COUNTERS_DISABLE 31
94#define PR_TASK_PERF_COUNTERS_ENABLE 32
95
96#define rdclock() \
97({ \
98 struct timespec ts; \
99 \
100 clock_gettime(CLOCK_MONOTONIC, &ts); \
101 ts.tv_sec * 1000000000ULL + ts.tv_nsec; \
102})
103
104/*
105 * Pick up some kernel type conventions:
106 */
107#define __user
108#define asmlinkage
109
110#ifdef __x86_64__
111#define __NR_perf_counter_open 298
112#define rmb() asm volatile("lfence" ::: "memory")
113#define cpu_relax() asm volatile("rep; nop" ::: "memory");
114#endif
115
116#ifdef __i386__
117#define __NR_perf_counter_open 336
118#define rmb() asm volatile("lfence" ::: "memory")
119#define cpu_relax() asm volatile("rep; nop" ::: "memory");
120#endif
121
122#ifdef __powerpc__
123#define __NR_perf_counter_open 319
124#define rmb() asm volatile ("sync" ::: "memory")
125#define cpu_relax() asm volatile ("" ::: "memory");
126#endif
127
128#define unlikely(x) __builtin_expect(!!(x), 0)
129#define min(x, y) ({ \
130 typeof(x) _min1 = (x); \
131 typeof(y) _min2 = (y); \
132 (void) (&_min1 == &_min2); \
133 _min1 < _min2 ? _min1 : _min2; })
134
135extern asmlinkage int sys_perf_counter_open(
136 struct perf_counter_hw_event *hw_event_uptr __user,
137 pid_t pid,
138 int cpu,
139 int group_fd,
140 unsigned long flags);
141
142#define MAX_COUNTERS 64
143#define MAX_NR_CPUS 256
144
145#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))
146 89
147static int system_wide = 0; 90static int system_wide = 0;
148 91
diff --git a/Documentation/perf_counter/builtin-top.c b/Documentation/perf_counter/builtin-top.c
index b6d989e7b196..cd6f61d73418 100644
--- a/Documentation/perf_counter/builtin-top.c
+++ b/Documentation/perf_counter/builtin-top.c
@@ -66,68 +66,7 @@
66 66
67#include "../../include/linux/perf_counter.h" 67#include "../../include/linux/perf_counter.h"
68 68
69 69#include "perf.h"
70/*
71 * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
72 * counters in the current task.
73 */
74#define PR_TASK_PERF_COUNTERS_DISABLE 31
75#define PR_TASK_PERF_COUNTERS_ENABLE 32
76
77#define rdclock() \
78({ \
79 struct timespec ts; \
80 \
81 clock_gettime(CLOCK_MONOTONIC, &ts); \
82 ts.tv_sec * 1000000000ULL + ts.tv_nsec; \
83})
84
85/*
86 * Pick up some kernel type conventions:
87 */
88#define __user
89#define asmlinkage
90
91#ifdef __x86_64__
92#define __NR_perf_counter_open 298
93#define rmb() asm volatile("lfence" ::: "memory")
94#define cpu_relax() asm volatile("rep; nop" ::: "memory");
95#endif
96
97#ifdef __i386__
98#define __NR_perf_counter_open 336
99#define rmb() asm volatile("lfence" ::: "memory")
100#define cpu_relax() asm volatile("rep; nop" ::: "memory");
101#endif
102
103#ifdef __powerpc__
104#define __NR_perf_counter_open 319
105#define rmb() asm volatile ("sync" ::: "memory")
106#define cpu_relax() asm volatile ("" ::: "memory");
107#endif
108
109#define unlikely(x) __builtin_expect(!!(x), 0)
110#define min(x, y) ({ \
111 typeof(x) _min1 = (x); \
112 typeof(y) _min2 = (y); \
113 (void) (&_min1 == &_min2); \
114 _min1 < _min2 ? _min1 : _min2; })
115
116asmlinkage int sys_perf_counter_open(
117 struct perf_counter_hw_event *hw_event_uptr __user,
118 pid_t pid,
119 int cpu,
120 int group_fd,
121 unsigned long flags)
122{
123 return syscall(
124 __NR_perf_counter_open, hw_event_uptr, pid, cpu, group_fd, flags);
125}
126
127#define MAX_COUNTERS 64
128#define MAX_NR_CPUS 256
129
130#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))
131 70
132static int system_wide = 0; 71static int system_wide = 0;
133 72
diff --git a/Documentation/perf_counter/perf.h b/Documentation/perf_counter/perf.h
new file mode 100644
index 000000000000..391fcc73148a
--- /dev/null
+++ b/Documentation/perf_counter/perf.h
@@ -0,0 +1,64 @@
1#ifndef _PERF_PERF_H
2#define _PERF_PERF_H
3
4/*
5 * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
6 * counters in the current task.
7 */
8#define PR_TASK_PERF_COUNTERS_DISABLE 31
9#define PR_TASK_PERF_COUNTERS_ENABLE 32
10
11#define rdclock() \
12({ \
13 struct timespec ts; \
14 \
15 clock_gettime(CLOCK_MONOTONIC, &ts); \
16 ts.tv_sec * 1000000000ULL + ts.tv_nsec; \
17})
18
19/*
20 * Pick up some kernel type conventions:
21 */
22#define __user
23#define asmlinkage
24
25#ifdef __x86_64__
26#define __NR_perf_counter_open 298
27#define rmb() asm volatile("lfence" ::: "memory")
28#define cpu_relax() asm volatile("rep; nop" ::: "memory");
29#endif
30
31#ifdef __i386__
32#define __NR_perf_counter_open 336
33#define rmb() asm volatile("lfence" ::: "memory")
34#define cpu_relax() asm volatile("rep; nop" ::: "memory");
35#endif
36
37#ifdef __powerpc__
38#define __NR_perf_counter_open 319
39#define rmb() asm volatile ("sync" ::: "memory")
40#define cpu_relax() asm volatile ("" ::: "memory");
41#endif
42
43#define unlikely(x) __builtin_expect(!!(x), 0)
44#define min(x, y) ({ \
45 typeof(x) _min1 = (x); \
46 typeof(y) _min2 = (y); \
47 (void) (&_min1 == &_min2); \
48 _min1 < _min2 ? _min1 : _min2; })
49
50static inline int
51sys_perf_counter_open(struct perf_counter_hw_event *hw_event_uptr,
52 pid_t pid, int cpu, int group_fd,
53 unsigned long flags)
54{
55 return syscall(__NR_perf_counter_open, hw_event_uptr, pid, cpu,
56 group_fd, flags);
57}
58
59#define MAX_COUNTERS 64
60#define MAX_NR_CPUS 256
61
62#define EID(type, id) (((__u64)(type) << PERF_COUNTER_TYPE_SHIFT) | (id))
63
64#endif
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