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perf annotate-data: Add a cache for global variable types

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They are often searched by many different places.  Let's add a cache
for them to reduce the duplicate DWARF access.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20240319055115.4063940-23-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2024-03-18 22:51:14 -07:00
committed by Arnaldo Carvalho de Melo
parent b3c95109c1
commit 55ee3d005d
4 changed files with 118 additions and 4 deletions
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7
tools/perf/util/annotate-data.h
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@@ -153,6 +153,9 @@ int annotated_data_type__update_samples(struct annotated_data_type *adt,
/* Release all data type information in the tree */
void annotated_data_type__tree_delete(struct rb_root *root);
/* Release all global variable information in the tree */
void global_var_type__tree_delete(struct rb_root *root);
#else /* HAVE_DWARF_SUPPORT */
static inline struct annotated_data_type *
@@ -175,6 +178,10 @@ static inline void annotated_data_type__tree_delete(struct rb_root *root __maybe
{
}
static inline void global_var_type__tree_delete(struct rb_root *root __maybe_unused)
{
}
#endif /* HAVE_DWARF_SUPPORT */
#endif /* _PERF_ANNOTATE_DATA_H */