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As tracefs may be mounted instead of debugfs to get to the event directories, have perf know about tracefs, and use that file system over debugfs if it is present. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193553.340946602@goodmis.org [ Fixed up error messages about tracefs pointed out by Namhyung ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
#ifndef __PERF_CACHE_H
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#define __PERF_CACHE_H
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#include <stdbool.h>
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#include "util.h"
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#include "strbuf.h"
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#include "../perf.h"
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#include "../ui/ui.h"
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#define CMD_EXEC_PATH "--exec-path"
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#define CMD_PERF_DIR "--perf-dir="
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#define CMD_WORK_TREE "--work-tree="
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#define CMD_DEBUGFS_DIR "--debugfs-dir="
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#define PERF_DIR_ENVIRONMENT "PERF_DIR"
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#define PERF_WORK_TREE_ENVIRONMENT "PERF_WORK_TREE"
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#define EXEC_PATH_ENVIRONMENT "PERF_EXEC_PATH"
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#define DEFAULT_PERF_DIR_ENVIRONMENT ".perf"
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#define PERF_DEBUGFS_ENVIRONMENT "PERF_DEBUGFS_DIR"
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#define PERF_TRACEFS_ENVIRONMENT "PERF_TRACEFS_DIR"
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typedef int (*config_fn_t)(const char *, const char *, void *);
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extern int perf_default_config(const char *, const char *, void *);
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extern int perf_config(config_fn_t fn, void *);
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extern int perf_config_int(const char *, const char *);
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extern u64 perf_config_u64(const char *, const char *);
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extern int perf_config_bool(const char *, const char *);
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extern int config_error_nonbool(const char *);
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extern const char *perf_config_dirname(const char *, const char *);
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/* pager.c */
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extern void setup_pager(void);
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extern const char *pager_program;
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extern int pager_in_use(void);
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extern int pager_use_color;
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char *alias_lookup(const char *alias);
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int split_cmdline(char *cmdline, const char ***argv);
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#define alloc_nr(x) (((x)+16)*3/2)
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/*
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* Realloc the buffer pointed at by variable 'x' so that it can hold
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* at least 'nr' entries; the number of entries currently allocated
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* is 'alloc', using the standard growing factor alloc_nr() macro.
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*
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* DO NOT USE any expression with side-effect for 'x' or 'alloc'.
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*/
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#define ALLOC_GROW(x, nr, alloc) \
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do { \
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if ((nr) > alloc) { \
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if (alloc_nr(alloc) < (nr)) \
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alloc = (nr); \
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else \
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alloc = alloc_nr(alloc); \
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x = xrealloc((x), alloc * sizeof(*(x))); \
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} \
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} while(0)
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static inline int is_absolute_path(const char *path)
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{
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return path[0] == '/';
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}
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const char *make_nonrelative_path(const char *path);
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char *strip_path_suffix(const char *path, const char *suffix);
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extern char *mkpath(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
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extern char *perf_path(const char *fmt, ...) __attribute__((format (printf, 1, 2)));
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extern char *perf_pathdup(const char *fmt, ...)
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__attribute__((format (printf, 1, 2)));
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#ifndef __UCLIBC__
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/* Matches the libc/libbsd function attribute so we declare this unconditionally: */
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extern size_t strlcpy(char *dest, const char *src, size_t size);
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#endif
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#endif /* __PERF_CACHE_H */
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