#ifndef _PERF_PERF_H#define _PERF_PERF_H struct winsize; void get_term_dimensions(struct winsize *ws); #if defined(__i386__)#include "../../arch/x86/include/asm/unistd.h"#define rmb()		asm volatile("lock; addl $0,0(%%esp)" ::: "memory")#define cpu_relax()	asm volatile("rep; nop" ::: "memory");#define CPUINFO_PROC	"model name"#ifndef __NR_perf_event_open# define __NR_perf_event_open 336#endif#endif #if defined(__x86_64__)#include "../../arch/x86/include/asm/unistd.h"#define rmb()		asm volatile("lfence" ::: "memory")#define cpu_relax()	asm volatile("rep; nop" ::: "memory");#define CPUINFO_PROC	"model name"#ifndef __NR_perf_event_open# define __NR_perf_event_open 298#endif#endif #ifdef __powerpc__#include "../../arch/powerpc/include/asm/unistd.h"#define rmb()		asm volatile ("sync" ::: "memory")#define cpu_relax()	asm volatile ("" ::: "memory");#define CPUINFO_PROC	"cpu"#endif #ifdef __s390__#include "../../arch/s390/include/asm/unistd.h"#define rmb()		asm volatile("bcr 15,0" ::: "memory")#define cpu_relax()	asm volatile("" ::: "memory");#endif #ifdef __sh__#include "../../arch/sh/include/asm/unistd.h"#if defined(__SH4A__) || defined(__SH5__)# define rmb()		asm volatile("synco" ::: "memory")#else# define rmb()		asm volatile("" ::: "memory")#endif#define cpu_relax()	asm volatile("" ::: "memory")#define CPUINFO_PROC	"cpu type"#endif #ifdef __hppa__#include "../../arch/parisc/include/asm/unistd.h"#define rmb()		asm volatile("" ::: "memory")#define cpu_relax()	asm volatile("" ::: "memory");#define CPUINFO_PROC	"cpu"#endif #ifdef __sparc__#include "../../arch/sparc/include/asm/unistd.h"#define rmb()		asm volatile("":::"memory")#define cpu_relax()	asm volatile("":::"memory")#define CPUINFO_PROC	"cpu"#endif #ifdef __alpha__#include "../../arch/alpha/include/asm/unistd.h"#define rmb()		asm volatile("mb" ::: "memory")#define cpu_relax()	asm volatile("" ::: "memory")#define CPUINFO_PROC	"cpu model"#endif #ifdef __ia64__#include "../../arch/ia64/include/asm/unistd.h"#define rmb()		asm volatile ("mf" ::: "memory")#define cpu_relax()	asm volatile ("hint @pause" ::: "memory")#define CPUINFO_PROC	"model name"#endif #ifdef __arm__#include "../../arch/arm/include/asm/unistd.h"/* * Use the __kuser_memory_barrier helper in the CPU helper page. See * arch/arm/kernel/entry-armv.S in the kernel source for details. */#define rmb()		((void(*)(void))0xffff0fa0)()#define cpu_relax()	asm volatile("":::"memory")#define CPUINFO_PROC	"Processor"#endif #ifdef __mips__#include "../../arch/mips/include/asm/unistd.h"#define rmb()		asm volatile(					\				".set	mips2\n\t"			\				"sync\n\t"				\				".set	mips0"				\				: /* no output */			\				: /* no input */			\				: "memory")#define cpu_relax()	asm volatile("" ::: "memory")#define CPUINFO_PROC	"cpu model"#endif #include <time.h>#include <unistd.h>#include <sys/types.h>#include <sys/syscall.h> #include "../../include/linux/perf_event.h"#include "util/types.h"#include <stdbool.h> struct perf_mmap {	void			*base;	int			mask;	unsigned int		prev;}; static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm){	struct perf_event_mmap_page *pc = mm->base;	int head = pc->data_head;	rmb();	return head;} static inline void perf_mmap__write_tail(struct perf_mmap *md,					 unsigned long tail){	struct perf_event_mmap_page *pc = md->base; 	/*	 * ensure all reads are done before we write the tail out.	 */	/* mb(); */	pc->data_tail = tail;} /* * prctl(PR_TASK_PERF_EVENTS_DISABLE) will (cheaply) disable all * counters in the current task. */#define PR_TASK_PERF_EVENTS_DISABLE   31#define PR_TASK_PERF_EVENTS_ENABLE    32 #ifndef NSEC_PER_SEC# define NSEC_PER_SEC			1000000000ULL#endif static inline unsigned long long rdclock(void){	struct timespec ts; 	clock_gettime(CLOCK_MONOTONIC, &ts);	return ts.tv_sec * 1000000000ULL + ts.tv_nsec;} /* * Pick up some kernel type conventions: */#define __user#define asmlinkage #define unlikely(x)	__builtin_expect(!!(x), 0)#define min(x, y) ({				\	typeof(x) _min1 = (x);			\	typeof(y) _min2 = (y);			\	(void) (&_min1 == &_min2);		\	_min1 < _min2 ? _min1 : _min2; }) static inline intsys_perf_event_open(struct perf_event_attr *attr,		      pid_t pid, int cpu, int group_fd,		      unsigned long flags){	return syscall(__NR_perf_event_open, attr, pid, cpu,		       group_fd, flags);} #define MAX_COUNTERS			256#define MAX_NR_CPUS			256 struct ip_callchain {	u64 nr;	u64 ips[0];}; struct branch_flags {	u64 mispred:1;	u64 predicted:1;	u64 reserved:62;}; struct branch_entry {	u64				from;	u64				to;	struct branch_flags flags;}; struct branch_stack {	u64				nr;	struct branch_entry	entries[0];}; extern bool perf_host, perf_guest;extern const char perf_version_string[]; void pthread__unblock_sigwinch(void); #include "util/target.h" struct perf_record_opts {	struct perf_target target;	bool	     call_graph;	bool	     group;	bool	     inherit_stat;	bool	     no_delay;	bool	     no_inherit;	bool	     no_samples;	bool	     pipe_output;	bool	     raw_samples;	bool	     sample_address;	bool	     sample_time;	bool	     sample_id_all_missing;	bool	     exclude_guest_missing;	bool	     period;	unsigned int freq;	unsigned int mmap_pages;	unsigned int user_freq;	u64          branch_stack;	u64	     default_interval;	u64	     user_interval;}; #endif