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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 | ||
16 | #include <time.h> | |
17 | #include <unistd.h> | |
18 | #include <sys/types.h> | |
19 | #include <sys/syscall.h> | |
20 | ||
21 | #include "../../include/linux/perf_counter.h" | |
7c6a1c65 | 22 | #include "util/types.h" |
1a482f38 | 23 | |
6eda5838 TG |
24 | /* |
25 | * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all | |
26 | * counters in the current task. | |
27 | */ | |
28 | #define PR_TASK_PERF_COUNTERS_DISABLE 31 | |
29 | #define PR_TASK_PERF_COUNTERS_ENABLE 32 | |
30 | ||
a92e7023 TG |
31 | #ifndef NSEC_PER_SEC |
32 | # define NSEC_PER_SEC 1000000000ULL | |
33 | #endif | |
34 | ||
35 | static inline unsigned long long rdclock(void) | |
36 | { | |
37 | struct timespec ts; | |
38 | ||
39 | clock_gettime(CLOCK_MONOTONIC, &ts); | |
40 | return ts.tv_sec * 1000000000ULL + ts.tv_nsec; | |
41 | } | |
6eda5838 TG |
42 | |
43 | /* | |
44 | * Pick up some kernel type conventions: | |
45 | */ | |
46 | #define __user | |
47 | #define asmlinkage | |
48 | ||
6eda5838 TG |
49 | #define unlikely(x) __builtin_expect(!!(x), 0) |
50 | #define min(x, y) ({ \ | |
51 | typeof(x) _min1 = (x); \ | |
52 | typeof(y) _min2 = (y); \ | |
53 | (void) (&_min1 == &_min2); \ | |
54 | _min1 < _min2 ? _min1 : _min2; }) | |
55 | ||
56 | static inline int | |
974802ea | 57 | sys_perf_counter_open(struct perf_counter_attr *attr, |
6eda5838 TG |
58 | pid_t pid, int cpu, int group_fd, |
59 | unsigned long flags) | |
60 | { | |
974802ea PZ |
61 | attr->size = sizeof(*attr); |
62 | return syscall(__NR_perf_counter_open, attr, pid, cpu, | |
6eda5838 TG |
63 | group_fd, flags); |
64 | } | |
65 | ||
85a9f920 IM |
66 | #define MAX_COUNTERS 256 |
67 | #define MAX_NR_CPUS 256 | |
6eda5838 | 68 | |
6eda5838 | 69 | #endif |