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SubjectRe: [PATCH] perf tools: Preserve identifier id in OCaml demangler
Em Fri, Feb 26, 2021 at 02:52:23AM -0500, Fabian Hemmer escreveu:
> Some OCaml developers reported that this bit of information is sometimes
> useful for disambiguating functions for which the OCaml compiler assigns
> the same name, e.g. nested or inlined functions.

Sorry for the delay in processing, applied.

- Arnaldo

> Signed-off-by: Fabian Hemmer <copy@copy.sh>
> ---
> tools/perf/tests/demangle-ocaml-test.c | 6 +++---
> tools/perf/util/demangle-ocaml.c | 12 ------------
> 2 files changed, 3 insertions(+), 15 deletions(-)
>
> diff --git a/tools/perf/tests/demangle-ocaml-test.c b/tools/perf/tests/demangle-ocaml-test.c
> index a273ed5163d7..1d232c2e2190 100644
> --- a/tools/perf/tests/demangle-ocaml-test.c
> +++ b/tools/perf/tests/demangle-ocaml-test.c
> @@ -19,11 +19,11 @@ int test__demangle_ocaml(struct test *test __maybe_unused, int subtest __maybe_u
> { "main",
> NULL },
> { "camlStdlib__array__map_154",
> - "Stdlib.array.map" },
> + "Stdlib.array.map_154" },
> { "camlStdlib__anon_fn$5bstdlib$2eml$3a334$2c0$2d$2d54$5d_1453",
> - "Stdlib.anon_fn[stdlib.ml:334,0--54]" },
> + "Stdlib.anon_fn[stdlib.ml:334,0--54]_1453" },
> { "camlStdlib__bytes__$2b$2b_2205",
> - "Stdlib.bytes.++" },
> + "Stdlib.bytes.++_2205" },
> };
>
> for (i = 0; i < sizeof(test_cases) / sizeof(test_cases[0]); i++) {
> diff --git a/tools/perf/util/demangle-ocaml.c b/tools/perf/util/demangle-ocaml.c
> index 3df14e67c622..9d707bb60b4b 100644
> --- a/tools/perf/util/demangle-ocaml.c
> +++ b/tools/perf/util/demangle-ocaml.c
> @@ -64,17 +64,5 @@ ocaml_demangle_sym(const char *sym)
> }
> result[j] = '\0';
>
> - /* scan backwards to remove an "_" followed by decimal digits */
> - if (j != 0 && isdigit(result[j - 1])) {
> - while (--j) {
> - if (!isdigit(result[j])) {
> - break;
> - }
> - }
> - if (result[j] == '_') {
> - result[j] = '\0';
> - }
> - }
> -
> return result;
> }
> --
> 2.30.1
>

--

- Arnaldo

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