forked from Minki/linux
66bd8424cc
So that we can have a quicker start on perf top and even speedups in the other tools, as we can have maps with no hits, so no need to load its symtabs. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Mike Galbraith <efault@gmx.de> LKML-Reference: <1256773881-4191-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
85 lines
2.0 KiB
C
85 lines
2.0 KiB
C
#ifndef __PERF_SYMBOL
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#define __PERF_SYMBOL 1
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#include <linux/types.h>
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#include <stdbool.h>
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#include "types.h"
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include "event.h"
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#ifdef HAVE_CPLUS_DEMANGLE
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extern char *cplus_demangle(const char *, int);
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static inline char *bfd_demangle(void __used *v, const char *c, int i)
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{
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return cplus_demangle(c, i);
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}
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#else
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#ifdef NO_DEMANGLE
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static inline char *bfd_demangle(void __used *v, const char __used *c,
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int __used i)
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{
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return NULL;
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}
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#else
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#include <bfd.h>
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#endif
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#endif
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#ifndef DMGL_PARAMS
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#define DMGL_PARAMS (1 << 0) /* Include function args */
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#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
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#endif
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struct symbol {
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struct rb_node rb_node;
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u64 start;
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u64 end;
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char name[0];
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};
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struct dso {
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struct list_head node;
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struct rb_root syms;
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struct symbol *(*find_symbol)(struct dso *, u64 ip);
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unsigned int sym_priv_size;
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unsigned char adjust_symbols;
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unsigned char slen_calculated;
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bool loaded;
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unsigned char origin;
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const char *short_name;
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char *long_name;
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char name[0];
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};
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struct dso *dso__new(const char *name, unsigned int sym_priv_size);
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void dso__delete(struct dso *self);
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static inline void *dso__sym_priv(struct dso *self, struct symbol *sym)
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{
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return ((void *)sym) - self->sym_priv_size;
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}
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struct symbol *dso__find_symbol(struct dso *self, u64 ip);
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int dsos__load_kernel(const char *vmlinux, unsigned int sym_priv_size,
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symbol_filter_t filter, int modules);
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struct dso *dsos__findnew(const char *name, unsigned int sym_priv_size);
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int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
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void dsos__fprintf(FILE *fp);
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size_t dso__fprintf(struct dso *self, FILE *fp);
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char dso__symtab_origin(const struct dso *self);
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int load_kernel(unsigned int sym_priv_size, symbol_filter_t filter);
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void symbol__init(void);
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extern struct list_head dsos;
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extern struct map *kernel_map;
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extern struct dso *vdso;
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extern const char *vmlinux_name;
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extern int modules;
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#endif /* __PERF_SYMBOL */
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