LXR linux/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
  26extern const char *config_exclusive_filename;
  27
  28typedef int (*config_fn_t)(const char *, const char *, void *);
  29int perf_default_config(const char *, const char *, void *);
  30int perf_config(config_fn_t fn, void *);
  31int perf_config_int(const char *, const char *);
  32u64 perf_config_u64(const char *, const char *);
  33int perf_config_bool(const char *, const char *);
  34int config_error_nonbool(const char *);
  35const char *perf_config_dirname(const char *, const char *);
  36const char *perf_etc_perfconfig(void);
  37
  38char *alias_lookup(const char *alias);
  39int 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
  62static inline int is_absolute_path(const char *path)
  63{
  64        return path[0] == '/';
  65}
  66
  67char *strip_path_suffix(const char *path, const char *suffix);
  68
  69char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  70char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
  71
  72#endif /* __PERF_CACHE_H */
  73