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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2009-05-28 14:55:13 -0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-05-28 23:25:43 +0200 |
| commit | 0085c954140d27937ada29d139c16341075d45e4 (patch) | |
| tree | cb7a8e94077a26f7eb567eba832436df037f8f13 /Documentation/perf_counter/util/symbol.h | |
| parent | a2928c42a5d69328c3578b41bd4d72f6658cf7dc (diff) | |
| download | lwn-0085c954140d27937ada29d139c16341075d45e4.tar.gz lwn-0085c954140d27937ada29d139c16341075d45e4.zip | |
perf_counter tools: struct symbol priv area
When creating a dso instance allow asking that all symbols in this dso
have a private area just before the symbol.
perf top will use this for its counters, etc.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <20090528175513.GD4747@ghostprotocols.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/perf_counter/util/symbol.h')
| -rw-r--r-- | Documentation/perf_counter/util/symbol.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/perf_counter/util/symbol.h b/Documentation/perf_counter/util/symbol.h index 6dffe76a28f0..9e120af9c71f 100644 --- a/Documentation/perf_counter/util/symbol.h +++ b/Documentation/perf_counter/util/symbol.h @@ -15,12 +15,18 @@ struct symbol { struct dso { struct list_head node; struct rb_root syms; + unsigned int sym_priv_size; char name[0]; }; -struct dso *dso__new(const char *name); +struct dso *dso__new(const char *name, unsigned int sym_priv_size); void dso__delete(struct dso *self); +static inline void *dso__sym_priv(struct dso *self, struct symbol *sym) +{ + return ((void *)sym) - self->sym_priv_size; +} + struct symbol *dso__find_symbol(struct dso *self, uint64_t ip); int dso__load_kallsyms(struct dso *self); |