linux-kernel - [PATCH v2 0/5] perf trace: Augment enum arguments with BTF

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Date: Wed, 19 Jun 2024 16:20:37 +0800
From: Howard Chu <howardchu95@...il.com>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Jiri Olsa <jolsa@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Kan Liang <kan.liang@...ux.intel.com>,
	linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org
Subject: [PATCH v2 0/5] perf trace: Augment enum arguments with BTF

changes in v2:
- Move inline landlock_add_rule c code to tests/workloads
- Rename 'enum_aug_prereq' to 'check_vmlinux'

Augment enum arguments in perf trace, including syscall arguments and
non-syscall tracepoint arguments. The augmentation is implemented using
BTF.

This patch series also includes a bug fix by Arnaldo Carvalho de Melo 
<acme@...hat.com>, which makes more syscalls to be traceable by perf trace.

Test is included.

Howard Chu (5):
  perf trace: Fix iteration of syscall ids in syscalltbl->entries
  perf trace: Augment enum syscall arguments with BTF
  perf trace: Augment enum tracepoint arguments with BTF
  perf trace: Filter enum arguments with enum names
  perf trace: Add test for enum augmentation

 tools/perf/builtin-trace.c                    | 214 ++++++++++++++++--
 tools/perf/tests/builtin-test.c               |   1 +
 tools/perf/tests/shell/trace_btf_enum.sh      |  57 +++++
 tools/perf/tests/tests.h                      |   1 +
 tools/perf/tests/workloads/Build              |   1 +
 .../perf/tests/workloads/landlock_add_rule.c  |  32 +++
 tools/perf/util/syscalltbl.c                  |   7 +
 tools/perf/util/syscalltbl.h                  |   1 +
 8 files changed, 289 insertions(+), 25 deletions(-)
 create mode 100755 tools/perf/tests/shell/trace_btf_enum.sh
 create mode 100644 tools/perf/tests/workloads/landlock_add_rule.c

-- 
2.45.2