xref: /openbmc/linux/tools/perf/util/cache.h (revision 110e6f26)
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 */
73