root/tools/perf/util/util.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef GIT_COMPAT_UTIL_H
   3 #define GIT_COMPAT_UTIL_H
   4 
   5 #define _BSD_SOURCE 1
   6 /* glibc 2.20 deprecates _BSD_SOURCE in favour of _DEFAULT_SOURCE */
   7 #define _DEFAULT_SOURCE 1
   8 
   9 #include <fcntl.h>
  10 #include <stdbool.h>
  11 #include <stddef.h>
  12 #include <linux/compiler.h>
  13 #include <sys/types.h>
  14 
  15 /* General helper functions */
  16 void usage(const char *err) __noreturn;
  17 void die(const char *err, ...) __noreturn __printf(1, 2);
  18 
  19 struct dirent;
  20 struct strlist;
  21 
  22 int mkdir_p(char *path, mode_t mode);
  23 int rm_rf(const char *path);
  24 int rm_rf_perf_data(const char *path);
  25 struct strlist *lsdir(const char *name, bool (*filter)(const char *, struct dirent *));
  26 bool lsdir_no_dot_filter(const char *name, struct dirent *d);
  27 
  28 size_t hex_width(u64 v);
  29 
  30 int sysctl__max_stack(void);
  31 
  32 int fetch_kernel_version(unsigned int *puint,
  33                          char *str, size_t str_sz);
  34 #define KVER_VERSION(x)         (((x) >> 16) & 0xff)
  35 #define KVER_PATCHLEVEL(x)      (((x) >> 8) & 0xff)
  36 #define KVER_SUBLEVEL(x)        ((x) & 0xff)
  37 #define KVER_FMT        "%d.%d.%d"
  38 #define KVER_PARAM(x)   KVER_VERSION(x), KVER_PATCHLEVEL(x), KVER_SUBLEVEL(x)
  39 
  40 const char *perf_tip(const char *dirpath);
  41 
  42 #ifndef HAVE_SCHED_GETCPU_SUPPORT
  43 int sched_getcpu(void);
  44 #endif
  45 
  46 extern bool perf_singlethreaded;
  47 
  48 void perf_set_singlethreaded(void);
  49 void perf_set_multithreaded(void);
  50 
  51 char *perf_exe(char *buf, int len);
  52 
  53 #ifndef O_CLOEXEC
  54 #ifdef __sparc__
  55 #define O_CLOEXEC      0x400000
  56 #elif defined(__alpha__) || defined(__hppa__)
  57 #define O_CLOEXEC      010000000
  58 #else
  59 #define O_CLOEXEC      02000000
  60 #endif
  61 #endif
  62 
  63 #endif /* GIT_COMPAT_UTIL_H */