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6eda5838 TG |
1 | #ifndef _PERF_PERF_H |
2 | #define _PERF_PERF_H | |
3 | ||
1a482f38 PZ |
4 | #if defined(__x86_64__) || defined(__i386__) |
5 | #include "../../arch/x86/include/asm/unistd.h" | |
6 | #define rmb() asm volatile("lfence" ::: "memory") | |
7 | #define cpu_relax() asm volatile("rep; nop" ::: "memory"); | |
8 | #endif | |
9 | ||
10 | #ifdef __powerpc__ | |
11 | #include "../../arch/powerpc/include/asm/unistd.h" | |
12 | #define rmb() asm volatile ("sync" ::: "memory") | |
13 | #define cpu_relax() asm volatile ("" ::: "memory"); | |
14 | #endif | |
15 | ||
12310e9c MS |
16 | #ifdef __s390__ |
17 | #include "../../arch/s390/include/asm/unistd.h" | |
18 | #define rmb() asm volatile("bcr 15,0" ::: "memory") | |
19 | #define cpu_relax() asm volatile("" ::: "memory"); | |
20 | #endif | |
21 | ||
1a482f38 PZ |
22 | #include <time.h> |
23 | #include <unistd.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/syscall.h> | |
26 | ||
27 | #include "../../include/linux/perf_counter.h" | |
7c6a1c65 | 28 | #include "util/types.h" |
1a482f38 | 29 | |
6eda5838 TG |
30 | /* |
31 | * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all | |
32 | * counters in the current task. | |
33 | */ | |
34 | #define PR_TASK_PERF_COUNTERS_DISABLE 31 | |
35 | #define PR_TASK_PERF_COUNTERS_ENABLE 32 | |
36 | ||
a92e7023 TG |
37 | #ifndef NSEC_PER_SEC |
38 | # define NSEC_PER_SEC 1000000000ULL | |
39 | #endif | |
40 | ||
41 | static inline unsigned long long rdclock(void) | |
42 | { | |
43 | struct timespec ts; | |
44 | ||
45 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
46 | return ts.tv_sec * 1000000000ULL + ts.tv_nsec; | |
47 | } | |
6eda5838 TG |
48 | |
49 | /* | |
50 | * Pick up some kernel type conventions: | |
51 | */ | |
52 | #define __user | |
53 | #define asmlinkage | |
54 | ||
f37a291c IM |
55 | #define __used __attribute__((__unused__)) |
56 | ||
6eda5838 TG |
57 | #define unlikely(x) __builtin_expect(!!(x), 0) |
58 | #define min(x, y) ({ \ | |
59 | typeof(x) _min1 = (x); \ | |
60 | typeof(y) _min2 = (y); \ | |
61 | (void) (&_min1 == &_min2); \ | |
62 | _min1 < _min2 ? _min1 : _min2; }) | |
63 | ||
64 | static inline int | |
974802ea | 65 | sys_perf_counter_open(struct perf_counter_attr *attr, |
6eda5838 TG |
66 | pid_t pid, int cpu, int group_fd, |
67 | unsigned long flags) | |
68 | { | |
974802ea PZ |
69 | attr->size = sizeof(*attr); |
70 | return syscall(__NR_perf_counter_open, attr, pid, cpu, | |
6eda5838 TG |
71 | group_fd, flags); |
72 | } | |
73 | ||
85a9f920 IM |
74 | #define MAX_COUNTERS 256 |
75 | #define MAX_NR_CPUS 256 | |
6eda5838 | 76 | |
8cb76d99 FW |
77 | struct ip_callchain { |
78 | u64 nr; | |
79 | u64 ips[0]; | |
f5970550 PZ |
80 | }; |
81 | ||
6eda5838 | 82 | #endif |