f1617b4059
[root@doppio linux-2.6-tip]# perf record -a sleep 2s;perf buildid-list|tail [ perf record: Woken up 1 times to write data ] [ perf record: Captured and wrote 0.162 MB perf.data (~7078 samples) ] 881588fa57b3c1696bc91e5e804a11304f093535 [cfg80211] 4d47ce1da9d16bad00c962c072451b7c681e82df [snd_page_alloc] 5146377e89a7caac617f9782f1a02e46263d3a31 [rfkill] 2153b937bff0d345fea83b63a2e1d3138569f83d [i915] 4e6fb1bb97362e3ee4d306988b9ad6912d5fb9ae [drm_kms_helper] f56ef2bf853e3a798f0d8d51f797622e5dc4420e [drm] b0d157a3b5c4e017329ffc07c64623cd6ad65e95 [i2c_algo_bit] 8125374b905ef9fa8b65d98e166b008ad952f198 [i2c_core] fc875c6e5a90e7b915e9d445d0efc859e1b2678c [video] 4b43c5006589f977e9762fdfc7ac1a92b72fca52 [output] [root@doppio linux-2.6-tip]# elfutils libdwfl/linux-kernel-modules.c was used as reference, as suggested by Roland McGrath. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Roland McGrath <roland@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1258582853-8579-3-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
#ifndef __PERF_SYMBOL
|
|
#define __PERF_SYMBOL 1
|
|
|
|
#include <linux/types.h>
|
|
#include <stdbool.h>
|
|
#include "types.h"
|
|
#include <linux/list.h>
|
|
#include <linux/rbtree.h>
|
|
#include "event.h"
|
|
|
|
#ifdef HAVE_CPLUS_DEMANGLE
|
|
extern char *cplus_demangle(const char *, int);
|
|
|
|
static inline char *bfd_demangle(void __used *v, const char *c, int i)
|
|
{
|
|
return cplus_demangle(c, i);
|
|
}
|
|
#else
|
|
#ifdef NO_DEMANGLE
|
|
static inline char *bfd_demangle(void __used *v, const char __used *c,
|
|
int __used i)
|
|
{
|
|
return NULL;
|
|
}
|
|
#else
|
|
#include <bfd.h>
|
|
#endif
|
|
#endif
|
|
|
|
/*
|
|
* libelf 0.8.x and earlier do not support ELF_C_READ_MMAP;
|
|
* for newer versions we can use mmap to reduce memory usage:
|
|
*/
|
|
#ifdef LIBELF_NO_MMAP
|
|
# define PERF_ELF_C_READ_MMAP ELF_C_READ
|
|
#else
|
|
# define PERF_ELF_C_READ_MMAP ELF_C_READ_MMAP
|
|
#endif
|
|
|
|
#ifndef DMGL_PARAMS
|
|
#define DMGL_PARAMS (1 << 0) /* Include function args */
|
|
#define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */
|
|
#endif
|
|
|
|
struct symbol {
|
|
struct rb_node rb_node;
|
|
u64 start;
|
|
u64 end;
|
|
char name[0];
|
|
};
|
|
|
|
extern unsigned int symbol__priv_size;
|
|
|
|
static inline void *symbol__priv(struct symbol *self)
|
|
{
|
|
return ((void *)self) - symbol__priv_size;
|
|
}
|
|
|
|
struct dso {
|
|
struct list_head node;
|
|
struct rb_root syms;
|
|
struct symbol *(*find_symbol)(struct dso *, u64 ip);
|
|
u8 adjust_symbols:1;
|
|
u8 slen_calculated:1;
|
|
u8 loaded:1;
|
|
u8 has_build_id:1;
|
|
unsigned char origin;
|
|
u8 build_id[BUILD_ID_SIZE];
|
|
u16 long_name_len;
|
|
const char *short_name;
|
|
char *long_name;
|
|
char name[0];
|
|
};
|
|
|
|
struct dso *dso__new(const char *name);
|
|
void dso__delete(struct dso *self);
|
|
|
|
struct symbol *dso__find_symbol(struct dso *self, u64 ip);
|
|
|
|
int dsos__load_kernel(const char *vmlinux, symbol_filter_t filter, int modules);
|
|
int dsos__load_modules(void);
|
|
struct dso *dsos__findnew(const char *name);
|
|
int dso__load(struct dso *self, struct map *map, symbol_filter_t filter);
|
|
void dsos__fprintf(FILE *fp);
|
|
size_t dsos__fprintf_buildid(FILE *fp);
|
|
|
|
size_t dso__fprintf_buildid(struct dso *self, FILE *fp);
|
|
size_t dso__fprintf(struct dso *self, FILE *fp);
|
|
char dso__symtab_origin(const struct dso *self);
|
|
void dso__set_build_id(struct dso *self, void *build_id);
|
|
|
|
int filename__read_build_id(const char *filename, void *bf, size_t size);
|
|
int sysfs__read_build_id(const char *filename, void *bf, size_t size);
|
|
bool dsos__read_build_ids(void);
|
|
int build_id__sprintf(u8 *self, int len, char *bf);
|
|
|
|
int load_kernel(symbol_filter_t filter);
|
|
|
|
void symbol__init(unsigned int priv_size);
|
|
|
|
extern struct list_head dsos;
|
|
extern struct map *kernel_map;
|
|
extern struct dso *vdso;
|
|
extern const char *vmlinux_name;
|
|
extern int modules;
|
|
#endif /* __PERF_SYMBOL */
|