102 lines
1.8 KiB
C
102 lines
1.8 KiB
C
|
#ifndef _PERF_SYS_H
|
||
|
|
#define _PERF_SYS_H
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/syscall.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/compiler.h>
|
||
|
|
#include <linux/perf_event.h>
|
||
|
|
#include <asm/barrier.h>
|
||
|
|
|
||
|
|
#if defined(__i386__)
|
||
|
|
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
|
||
|
|
#define CPUINFO_PROC {"model name"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__x86_64__)
|
||
|
|
#define cpu_relax() asm volatile("rep; nop" ::: "memory");
|
||
|
|
#define CPUINFO_PROC {"model name"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __powerpc__
|
||
|
|
#define CPUINFO_PROC {"cpu"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __s390__
|
||
|
|
#define CPUINFO_PROC {"vendor_id"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __sh__
|
||
|
|
#define CPUINFO_PROC {"cpu type"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __hppa__
|
||
|
|
#define CPUINFO_PROC {"cpu"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __sparc__
|
||
|
|
#define CPUINFO_PROC {"cpu"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __alpha__
|
||
|
|
#define CPUINFO_PROC {"cpu model"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __ia64__
|
||
|
|
#define cpu_relax() asm volatile ("hint @pause" ::: "memory")
|
||
|
|
#define CPUINFO_PROC {"model name"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __arm__
|
||
|
|
#define CPUINFO_PROC {"model name", "Processor"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __aarch64__
|
||
|
|
#define cpu_relax() asm volatile("yield" ::: "memory")
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __mips__
|
||
|
|
#define CPUINFO_PROC {"cpu model"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __arc__
|
||
|
|
#define CPUINFO_PROC {"Processor"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __metag__
|
||
|
|
#define CPUINFO_PROC {"CPU"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __xtensa__
|
||
|
|
#define CPUINFO_PROC {"core ID"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef __tile__
|
||
|
|
#define cpu_relax() asm volatile ("mfspr zero, PASS" ::: "memory")
|
||
|
|
#define CPUINFO_PROC {"model name"}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef cpu_relax
|
||
|
|
#define cpu_relax() barrier()
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static inline int
|
||
|
|
sys_perf_event_open(struct perf_event_attr *attr,
|
||
|
|
pid_t pid, int cpu, int group_fd,
|
||
|
|
unsigned long flags)
|
||
|
|
{
|
||
|
|
int fd;
|
||
|
|
|
||
|
|
fd = syscall(__NR_perf_event_open, attr, pid, cpu,
|
||
|
|
group_fd, flags);
|
||
|
|
|
||
|
|
#ifdef HAVE_ATTR_TEST
|
||
|
|
if (unlikely(test_attr__enabled))
|
||
|
|
test_attr__open(attr, pid, cpu, fd, group_fd, flags);
|
||
|
|
#endif
|
||
|
|
return fd;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _PERF_SYS_H */
|