tools/perf/perf-sys.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _PERF_SYS_H
   3 #define _PERF_SYS_H
   4
   5 #include <unistd.h>
   6 #include <sys/types.h>
   7 #include <sys/syscall.h>
   8 #include <linux/types.h>
   9 #include <linux/compiler.h>
  10 #include <linux/perf_event.h>
  11 #include <asm/barrier.h>
  12
  13 #ifdef __powerpc__
  14 #define CPUINFO_PROC    {"cpu"}
  15 #endif
  16
  17 #ifdef __s390__
  18 #define CPUINFO_PROC    {"vendor_id"}
  19 #endif
  20
  21 #ifdef __sh__
  22 #define CPUINFO_PROC    {"cpu type"}
  23 #endif
  24
  25 #ifdef __hppa__
  26 #define CPUINFO_PROC    {"cpu"}
  27 #endif
  28
  29 #ifdef __sparc__
  30 #define CPUINFO_PROC    {"cpu"}
  31 #endif
  32
  33 #ifdef __alpha__
  34 #define CPUINFO_PROC    {"cpu model"}
  35 #endif
  36
  37 #ifdef __arm__
  38 #define CPUINFO_PROC    {"model name", "Processor"}
  39 #endif
  40
  41 #ifdef __mips__
  42 #define CPUINFO_PROC    {"cpu model"}
  43 #endif
  44
  45 #ifdef __arc__
  46 #define CPUINFO_PROC    {"Processor"}
  47 #endif
  48
  49 #ifdef __xtensa__
  50 #define CPUINFO_PROC    {"core ID"}
  51 #endif
  52
  53 #ifndef CPUINFO_PROC
  54 #define CPUINFO_PROC    { "model name", }
  55 #endif
  56
  57 static inline int
  58 sys_perf_event_open(struct perf_event_attr *attr,
  59                       pid_t pid, int cpu, int group_fd,
  60                       unsigned long flags)
  61 {
  62         int fd;
  63
  64         fd = syscall(__NR_perf_event_open, attr, pid, cpu,
  65                      group_fd, flags);
  66
  67 #ifdef HAVE_ATTR_TEST
  68         if (unlikely(test_attr__enabled))
  69                 test_attr__open(attr, pid, cpu, fd, group_fd, flags);
  70 #endif
  71         return fd;
  72 }
  73
  74 #endif /* _PERF_SYS_H */