5 #include "../../arch/x86/include/asm/unistd.h"
6 #define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
7 #define cpu_relax() asm volatile("rep; nop" ::: "memory");
10 #if defined(__x86_64__)
11 #include "../../arch/x86/include/asm/unistd.h"
12 #define rmb() asm volatile("lfence" ::: "memory")
13 #define cpu_relax() asm volatile("rep; nop" ::: "memory");
17 #include "../../arch/powerpc/include/asm/unistd.h"
18 #define rmb() asm volatile ("sync" ::: "memory")
19 #define cpu_relax() asm volatile ("" ::: "memory");
23 #include "../../arch/s390/include/asm/unistd.h"
24 #define rmb() asm volatile("bcr 15,0" ::: "memory")
25 #define cpu_relax() asm volatile("" ::: "memory");
29 #include "../../arch/sh/include/asm/unistd.h"
30 #if defined(__SH4A__) || defined(__SH5__)
31 # define rmb() asm volatile("synco" ::: "memory")
33 # define rmb() asm volatile("" ::: "memory")
35 #define cpu_relax() asm volatile("" ::: "memory")
39 #include "../../arch/parisc/include/asm/unistd.h"
40 #define rmb() asm volatile("" ::: "memory")
41 #define cpu_relax() asm volatile("" ::: "memory");
46 #include <sys/types.h>
47 #include <sys/syscall.h>
49 #include "../../include/linux/perf_counter.h"
50 #include "util/types.h"
51 #include "util/debug.h"
54 * prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
55 * counters in the current task.
57 #define PR_TASK_PERF_COUNTERS_DISABLE 31
58 #define PR_TASK_PERF_COUNTERS_ENABLE 32
61 # define NSEC_PER_SEC 1000000000ULL
64 static inline unsigned long long rdclock(void)
68 clock_gettime(CLOCK_MONOTONIC, &ts);
69 return ts.tv_sec * 1000000000ULL + ts.tv_nsec;
73 * Pick up some kernel type conventions:
78 #define __used __attribute__((__unused__))
80 #define unlikely(x) __builtin_expect(!!(x), 0)
81 #define min(x, y) ({ \
82 typeof(x) _min1 = (x); \
83 typeof(y) _min2 = (y); \
84 (void) (&_min1 == &_min2); \
85 _min1 < _min2 ? _min1 : _min2; })
88 sys_perf_counter_open(struct perf_counter_attr *attr,
89 pid_t pid, int cpu, int group_fd,
92 attr->size = sizeof(*attr);
93 return syscall(__NR_perf_counter_open, attr, pid, cpu,
97 #define MAX_COUNTERS 256
98 #define MAX_NR_CPUS 256
100 struct ip_callchain {