diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2024-03-04 15:08:13 -0800 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2024-03-06 20:25:20 -0800 |
| commit | 80154575849778e40d9d87aa7ab14491ac401948 (patch) | |
| tree | 46620ceb5805f2654fc035f22edd9122483c1cd7 /tools/perf/util/annotate.h | |
| parent | d3e7cad6f36d9e80307b05bf31959597f9b6cd62 (diff) | |
perf annotate: Calculate instruction overhead using hashmap
Use annotated_source.samples hashmap instead of addr array in the
struct sym_hist.
Reviewed-by: Ian Rogers <irogers@google.com>
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240304230815.1440583-3-namhyung@kernel.org
Diffstat (limited to 'tools/perf/util/annotate.h')
| -rw-r--r-- | tools/perf/util/annotate.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h index a2b0c8210740..3362980a5d3d 100644 --- a/tools/perf/util/annotate.h +++ b/tools/perf/util/annotate.h @@ -356,6 +356,17 @@ static inline struct sym_hist *annotation__histogram(struct annotation *notes, i return annotated_source__histogram(notes->src, idx); } +static inline struct sym_hist_entry * +annotated_source__hist_entry(struct annotated_source *src, int idx, u64 offset) +{ + struct sym_hist_entry *entry; + long key = offset << 16 | idx; + + if (!hashmap__find(src->samples, key, &entry)) + return NULL; + return entry; +} + static inline struct annotation *symbol__annotation(struct symbol *sym) { return (void *)sym - symbol_conf.priv_size; |