xref: /openbmc/linux/tools/perf/util/cache.h (revision b802fb99)
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 */
74