| #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/perf_event.h> |
| #include <asm/barrier.h> |
| |
| #if defined(__i386__) |
| #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 |
| #ifndef __NR_futex |
| # define __NR_futex 240 |
| #endif |
| #ifndef __NR_gettid |
| # define __NR_gettid 224 |
| #endif |
| #endif |
| |
| #if defined(__x86_64__) |
| #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 |
| #ifndef __NR_futex |
| # define __NR_futex 202 |
| #endif |
| #ifndef __NR_gettid |
| # define __NR_gettid 186 |
| #endif |
| #endif |
| |
| #ifdef __powerpc__ |
| #include "../../arch/powerpc/include/uapi/asm/unistd.h" |
| #define CPUINFO_PROC {"cpu"} |
| #endif |
| |
| #ifdef __s390__ |
| #define CPUINFO_PROC {"vendor_id"} |
| #endif |
| |
| #ifdef __sh__ |
| #define CPUINFO_PROC {"cpu type"} |
| #endif |
| |
| #ifdef __hppa__ |
| #define mb() asm volatile("" ::: "memory") |
| #define wmb() asm volatile("" ::: "memory") |
| #define rmb() asm volatile("" ::: "memory") |
| #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 mb() asm volatile("" ::: "memory") |
| #define wmb() asm volatile("" ::: "memory") |
| #define rmb() asm volatile("" ::: "memory") |
| #define CPUINFO_PROC {"Processor"} |
| #endif |
| |
| #ifdef __metag__ |
| #define mb() asm volatile("" ::: "memory") |
| #define wmb() asm volatile("" ::: "memory") |
| #define rmb() asm volatile("" ::: "memory") |
| #define CPUINFO_PROC {"CPU"} |
| #endif |
| |
| #ifdef __xtensa__ |
| #define CPUINFO_PROC {"core ID"} |
| #endif |
| |
| #ifdef __tile__ |
| #define mb() asm volatile ("mf" ::: "memory") |
| #define wmb() asm volatile ("mf" ::: "memory") |
| #define rmb() asm volatile ("mf" ::: "memory") |
| #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 */ |