From: Ian Rogers <irogers@google.com>
To: "Peter Zijlstra" <peterz@infradead.org>,
"Ingo Molnar" <mingo@redhat.com>,
"Arnaldo Carvalho de Melo" <acme@kernel.org>,
"Namhyung Kim" <namhyung@kernel.org>,
"Mark Rutland" <mark.rutland@arm.com>,
"Alexander Shishkin" <alexander.shishkin@linux.intel.com>,
"Jiri Olsa" <jolsa@kernel.org>,
"Adrian Hunter" <adrian.hunter@intel.com>,
"Kan Liang" <kan.liang@linux.intel.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn Roy Baron" <bjorn3_gh@protonmail.com>,
"Benno Lossin" <benno.lossin@proton.me>,
"Andreas Hindborg" <a.hindborg@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"Trevor Gross" <tmgross@umich.edu>,
"Danilo Krummrich" <dakr@kernel.org>,
"Nathan Chancellor" <nathan@kernel.org>,
"Nick Desaulniers" <nick.desaulniers+lkml@gmail.com>,
"Bill Wendling" <morbo@google.com>,
"Justin Stitt" <justinstitt@google.com>,
"James Clark" <james.clark@linaro.org>,
"Howard Chu" <howardchu95@gmail.com>,
"Jiapeng Chong" <jiapeng.chong@linux.alibaba.com>,
"Ravi Bangoria" <ravi.bangoria@amd.com>,
"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
"Stephen Brennan" <stephen.s.brennan@oracle.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
rust-for-linux@vger.kernel.org, llvm@lists.linux.dev,
"Daniel Xu" <dxu@dxuuu.xyz>,
"Ariel Ben-Yehuda" <ariel.byd@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Subject: [PATCH v2 0/6] Use rustc-demangle for Rust demangling
Date: Tue, 29 Apr 2025 17:41:22 -0700 [thread overview]
Message-ID: <20250430004128.474388-1-irogers@google.com> (raw)
Discussion of improved Rust demangling started with:
https://lore.kernel.org/lkml/jgxfnphfo3nzlfipnuuzdlfc4ehbr2tnh2evz3mdhynd6wvrsu@fcz6vrvepybb/
that led to implementing a Rust v0 demangler:
https://lore.kernel.org/lkml/20250129193037.573431-1-irogers@google.com/
Discussion on that patch series led to the rust-lang issue:
https://github.com/rust-lang/rust/issues/60705
where the pre-existing Rust C demangler, authored by Ariel Ben-Yehuda
<ariel.byd@gmail.com>, was mentioned. There wasn't progress on that
issue and so I've pulled that work into perf as discussed on the
issue.
v2: Changes to references from arielb1 to "Ariel Ben Yehuda
<ariel.byd@gmail.com>", license tidying as suggested by Miguel
Ojeda" <ojeda@kernel.org>. Don't change from alternate demangling
flag from false to true in the test change, make it true from the
beginning (patch 2).
Ian Rogers (6):
perf demangle-rust: Add rustc-demangle C demangler
perf symbol-elf: Integrate rust-v0 demangling
perf demangle-rust: Remove previous legacy rust decoder
perf test demangle-rust: Add Rust demangling test
perf test demangle-java: Switch to using dso__demangle_sym
perf test demangle-ocaml: Switch to using dso__demangle_sym
tools/perf/tests/Build | 1 +
tools/perf/tests/builtin-test.c | 1 +
tools/perf/tests/demangle-java-test.c | 17 +-
tools/perf/tests/demangle-ocaml-test.c | 7 +-
tools/perf/tests/demangle-rust-v0-test.c | 74 +
tools/perf/tests/tests.h | 1 +
tools/perf/util/Build | 5 +-
tools/perf/util/demangle-rust-v0.c | 2042 ++++++++++++++++++++++
tools/perf/util/demangle-rust-v0.h | 88 +
tools/perf/util/demangle-rust.c | 269 ---
tools/perf/util/demangle-rust.h | 8 -
tools/perf/util/symbol-elf.c | 49 +-
12 files changed, 2257 insertions(+), 305 deletions(-)
create mode 100644 tools/perf/tests/demangle-rust-v0-test.c
create mode 100644 tools/perf/util/demangle-rust-v0.c
create mode 100644 tools/perf/util/demangle-rust-v0.h
delete mode 100644 tools/perf/util/demangle-rust.c
delete mode 100644 tools/perf/util/demangle-rust.h
--
2.49.0.901.g37484f566f-goog
next reply other threads:[~2025-04-30 0:41 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-30 0:41 Ian Rogers [this message]
2025-04-30 0:41 ` [PATCH v2 1/6] perf demangle-rust: Add rustc-demangle C demangler Ian Rogers
2025-04-30 3:37 ` Miguel Ojeda
2025-04-30 14:48 ` Ian Rogers
2025-04-30 0:41 ` [PATCH v2 2/6] perf symbol-elf: Integrate rust-v0 demangling Ian Rogers
2025-04-30 0:41 ` [PATCH v2 3/6] perf demangle-rust: Remove previous legacy rust decoder Ian Rogers
2025-04-30 0:41 ` [PATCH v2 4/6] perf test demangle-rust: Add Rust demangling test Ian Rogers
2025-04-30 0:41 ` [PATCH v2 5/6] perf test demangle-java: Switch to using dso__demangle_sym Ian Rogers
2025-04-30 0:41 ` [PATCH v2 6/6] perf test demangle-ocaml: " Ian Rogers
2025-05-09 20:03 ` [PATCH v2 0/6] Use rustc-demangle for Rust demangling Arnaldo Carvalho de Melo
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