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 typedef int (*config_fn_t)(const char *, const char *, void *);
  27 extern int perf_default_config(const char *, const char *, void *);
  28 extern int perf_config(config_fn_t fn, void *);
  29 extern int perf_config_int(const char *, const char *);
  30 extern u64 perf_config_u64(const char *, const char *);
  31 extern int perf_config_bool(const char *, const char *);
  32 extern int config_error_nonbool(const char *);
  33 extern const char *perf_config_dirname(const char *, const char *);
  34
  35 char *alias_lookup(const char *alias);
  36 int split_cmdline(char *cmdline, const char ***argv);
  37
  38 #define alloc_nr(x) (((x)+16)*3/2)
  39
  40 /*
  41  * Realloc the buffer pointed at by variable 'x' so that it can hold
  42  * at least 'nr' entries; the number of entries currently allocated
  43  * is 'alloc', using the standard growing factor alloc_nr() macro.
  44  *
  45  * DO NOT USE any expression with side-effect for 'x' or 'alloc'.
  46  */
  47 #define ALLOC_GROW(x, nr, alloc) \
  48         do { \
  49                 if ((nr) > alloc) { \
  50                         if (alloc_nr(alloc) < (nr)) \
  51                                 alloc = (nr); \
  52                         else \
  53                                 alloc = alloc_nr(alloc); \
  54                         x = xrealloc((x), alloc * sizeof(*(x))); \
  55                 } \
  56         } while(0)
  57
  58
  59 static inline int is_absolute_path(const char *path)
  60 {
  61         return path[0] == '/';
  62 }
  63
  64 const char *make_nonrelative_path(const char *path);
  65 char *strip_path_suffix(const char *path, const char *suffix);
  66
  67 extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  68 extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  69
  70 extern char *perf_pathdup(const char *fmt, ...)
  71         __attribute__((format (printf, 1, 2)));
  72
  73 #endif /* __PERF_CACHE_H */