tools/perf/util/cache.h

   1 #ifndef __PERF_CACHE_H
   2 #define __PERF_CACHE_H
   3
   4 #include <stdbool.h>
   5 #include "util.h"
   6 #include "strbuf.h"
   7 #include <subcmd/pager.h>
   8 #include "../perf.h"
   9 #include "../ui/ui.h"
  10
  11 #include <linux/string.h>
  12
  13 #define CMD_EXEC_PATH "--exec-path"
  14 #define CMD_PERF_DIR "--perf-dir="
  15 #define CMD_WORK_TREE "--work-tree="
  16 #define CMD_DEBUGFS_DIR "--debugfs-dir="
  17
  18 #define PERF_DIR_ENVIRONMENT "PERF_DIR"
  19 #define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
  20 #define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
  21 #define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
  22 #define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
  23 #define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
  24 #define PERF_PAGER_ENVIRONMENT "PERF_PAGER"
  25
  26 extern const char *config_exclusive_filename;
  27
  28 typedef int (*config_fn_t)(const char *, const char *, void *);
  29 int perf_default_config(const char *, const char *, void *);
  30 int perf_config(config_fn_t fn, void *);
  31 int perf_config_int(const char *, const char *);
  32 u64 perf_config_u64(const char *, const char *);
  33 int perf_config_bool(const char *, const char *);
  34 int config_error_nonbool(const char *);
  35 const char *perf_config_dirname(const char *, const char *);
  36 const char *perf_etc_perfconfig(void);
  37
  38 char *alias_lookup(const char *alias);
  39 int split_cmdline(char *cmdline, const char ***argv);
  40
  41 #define alloc_nr(x) (((x)+16)*3/2)
  42
  43 /*
  44  * Realloc the buffer pointed at by variable 'x' so that it can hold
  45  * at least 'nr' entries; the number of entries currently allocated
  46  * is 'alloc', using the standard growing factor alloc_nr() macro.
  47  *
  48  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
  49  */
  50 #define ALLOC_GROW(x, nr, alloc) \
  51         do { \
  52                 if ((nr) > alloc) { \
  53                         if (alloc_nr(alloc) < (nr)) \
  54                                 alloc = (nr); \
  55                         else \
  56                                 alloc = alloc_nr(alloc); \
  57                         x = xrealloc((x), alloc * sizeof(*(x))); \
  58                 } \
  59         } while(0)
  60
  61
  62 static inline int is_absolute_path(const char *path)
  63 {
  64         return path[0] == '/';
  65 }
  66
  67 char *strip_path_suffix(const char *path, const char *suffix);
  68
  69 char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  70 char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  71
  72 #endif /* __PERF_CACHE_H */