3846df2e0a
Be more clear about DSO long names and tell from which file
kernel symbols were obtained, all in --verbose mode:
[root@mica ~]# perf report -v > /dev/null
Looking at the vmlinux_path (5 entries long)
Using /lib/modules/2.6.33-rc8-tip-00777-g0918527-dirty/build/vmlinux for symbols
[root@mica ~]# mv /lib/modules/2.6.33-rc8-tip-00777-g0918527-dirty/build/vmlinux /tmp/dd
[root@mica ~]# perf report -v > /dev/null
Looking at the vmlinux_path (5 entries long)
Using /proc/kallsyms for symbols
[root@mica ~]#
Signed-off-by: Arnaldo Carvalho de Melo <acme@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: <1266866139-6361-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
#ifndef __PERF_MAP_H
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#define __PERF_MAP_H
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#include <linux/compiler.h>
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <linux/types.h>
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enum map_type {
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MAP__FUNCTION = 0,
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MAP__VARIABLE,
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};
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#define MAP__NR_TYPES (MAP__VARIABLE + 1)
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extern const char *map_type__name[MAP__NR_TYPES];
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struct dso;
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struct ref_reloc_sym;
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struct map_groups;
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struct map {
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union {
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struct rb_node rb_node;
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struct list_head node;
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};
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u64 start;
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u64 end;
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enum map_type type;
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u64 pgoff;
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/* ip -> dso rip */
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u64 (*map_ip)(struct map *, u64);
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/* dso rip -> ip */
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u64 (*unmap_ip)(struct map *, u64);
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struct dso *dso;
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};
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struct kmap {
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struct ref_reloc_sym *ref_reloc_sym;
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struct map_groups *kmaps;
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};
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static inline struct kmap *map__kmap(struct map *self)
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{
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return (struct kmap *)(self + 1);
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}
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static inline u64 map__map_ip(struct map *map, u64 ip)
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{
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return ip - map->start + map->pgoff;
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}
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static inline u64 map__unmap_ip(struct map *map, u64 ip)
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{
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return ip + map->start - map->pgoff;
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}
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static inline u64 identity__map_ip(struct map *map __used, u64 ip)
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{
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return ip;
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}
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/* rip/ip <-> addr suitable for passing to `objdump --start-address=` */
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u64 map__rip_2objdump(struct map *map, u64 rip);
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u64 map__objdump_2ip(struct map *map, u64 addr);
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struct symbol;
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struct mmap_event;
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typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
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void map__init(struct map *self, enum map_type type,
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u64 start, u64 end, u64 pgoff, struct dso *dso);
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struct map *map__new(struct mmap_event *event, enum map_type,
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char *cwd, int cwdlen);
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void map__delete(struct map *self);
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struct map *map__clone(struct map *self);
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int map__overlap(struct map *l, struct map *r);
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size_t map__fprintf(struct map *self, FILE *fp);
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int map__load(struct map *self, symbol_filter_t filter);
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struct symbol *map__find_symbol(struct map *self,
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u64 addr, symbol_filter_t filter);
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struct symbol *map__find_symbol_by_name(struct map *self, const char *name,
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symbol_filter_t filter);
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void map__fixup_start(struct map *self);
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void map__fixup_end(struct map *self);
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void map__reloc_vmlinux(struct map *self);
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#endif /* __PERF_MAP_H */
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