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Message-Id: <20240625172603.900667-1-irogers@google.com> Date: Tue, 25 Jun 2024 10:25:37 -0700 From: Ian Rogers <irogers@...gle.com> To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Mark Rutland <mark.rutland@....com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>, John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>, James Clark <james.clark@....com>, Mike Leach <mike.leach@...aro.org>, Leo Yan <leo.yan@...ux.dev>, Suzuki K Poulose <suzuki.poulose@....com>, Yicong Yang <yangyicong@...ilicon.com>, Jonathan Cameron <jonathan.cameron@...wei.com>, Nick Terrell <terrelln@...com>, Nick Desaulniers <ndesaulniers@...gle.com>, Oliver Upton <oliver.upton@...ux.dev>, Anshuman Khandual <anshuman.khandual@....com>, Song Liu <song@...nel.org>, Ilkka Koskinen <ilkka@...amperecomputing.com>, Huacai Chen <chenhuacai@...nel.org>, Yanteng Si <siyanteng@...ngson.cn>, Sun Haiyong <sunhaiyong@...ngson.cn>, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: [PATCH v1 00/26] Constify tool pointers struct perf_tool provides a set of function pointers that are called through when processing perf data. To make filling the pointers less cumbersome, if they are NULL perf_tools__fill_defaults will add default do nothing implementations. This change refactors struct perf_tool to have an init function that provides the default implementation. The special use of NULL and perf_tools__fill_defaults are removed. As a consequence the tool pointers can then all be made const, which better reflects the behavior a particular perf command would expect of the tool and to some extent can reduce the cognitive load on someone working on a command. Ian Rogers (26): perf tool: Constify tool pointers perf tool: Move fill defaults into tool.c perf tool: Add perf_tool__init perf kmem: Use perf_tool__init perf buildid-list: Use perf_tool__init perf kvm: Use perf_tool__init perf lock: Use perf_tool__init perf evlist: Use perf_tool__init perf record: Use perf_tool__init perf c2c: Use perf_tool__init perf script: Use perf_tool__init perf inject: Use perf_tool__init perf report: Use perf_tool__init perf stat: Use perf_tool__init perf annotate: Use perf_tool__init perf sched: Use perf_tool__init perf mem: Use perf_tool__init perf timechart: Use perf_tool__init perf diff: Use perf_tool__init perf data convert json: Use perf_tool__init perf data convert ctf: Use perf_tool__init perf auxevent: Add explicit dummy tool initialization perf test event_update: Ensure tools is initialized perf kwork: Use perf_tool__init perf tool: Remove perf_tool__fill_defaults perf session: Constify tool tools/perf/arch/x86/util/event.c | 4 +- tools/perf/bench/synthesize.c | 2 +- tools/perf/builtin-annotate.c | 44 ++-- tools/perf/builtin-buildid-list.c | 10 + tools/perf/builtin-c2c.c | 33 ++- tools/perf/builtin-diff.c | 30 ++- tools/perf/builtin-evlist.c | 10 +- tools/perf/builtin-inject.c | 159 +++++++------ tools/perf/builtin-kmem.c | 20 +- tools/perf/builtin-kvm.c | 19 +- tools/perf/builtin-kwork.c | 33 ++- tools/perf/builtin-lock.c | 41 ++-- tools/perf/builtin-mem.c | 37 +-- tools/perf/builtin-record.c | 49 ++-- tools/perf/builtin-report.c | 67 +++--- tools/perf/builtin-sched.c | 50 ++-- tools/perf/builtin-script.c | 106 ++++----- tools/perf/builtin-stat.c | 26 +-- tools/perf/builtin-timechart.c | 25 +- tools/perf/builtin-top.c | 2 +- tools/perf/builtin-trace.c | 4 +- tools/perf/tests/cpumap.c | 6 +- tools/perf/tests/dlfilter-test.c | 2 +- tools/perf/tests/dwarf-unwind.c | 2 +- tools/perf/tests/event_update.c | 9 +- tools/perf/tests/stat.c | 6 +- tools/perf/tests/thread-map.c | 2 +- tools/perf/util/Build | 1 + tools/perf/util/arm-spe.c | 9 +- tools/perf/util/auxtrace.c | 12 +- tools/perf/util/auxtrace.h | 20 +- tools/perf/util/bpf-event.c | 4 +- tools/perf/util/build-id.c | 34 +-- tools/perf/util/build-id.h | 8 +- tools/perf/util/cs-etm.c | 9 +- tools/perf/util/data-convert-bt.c | 34 ++- tools/perf/util/data-convert-json.c | 47 ++-- tools/perf/util/event.c | 54 +++-- tools/perf/util/event.h | 38 ++-- tools/perf/util/header.c | 6 +- tools/perf/util/header.h | 4 +- tools/perf/util/hisi-ptt.c | 6 +- tools/perf/util/intel-bts.c | 9 +- tools/perf/util/intel-pt.c | 10 +- tools/perf/util/jitdump.c | 4 +- tools/perf/util/s390-cpumsf.c | 7 +- tools/perf/util/session.c | 342 ++-------------------------- tools/perf/util/session.h | 6 +- tools/perf/util/synthetic-events.c | 80 +++---- tools/perf/util/synthetic-events.h | 70 +++--- tools/perf/util/tool.c | 294 ++++++++++++++++++++++++ tools/perf/util/tool.h | 18 +- tools/perf/util/tsc.c | 2 +- 53 files changed, 945 insertions(+), 981 deletions(-) create mode 100644 tools/perf/util/tool.c -- 2.45.2.741.gdbec12cfda-goog
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