[PATCH v7 11/27] perf record: Use perf_tool__init
From: Ian Rogers <irogers@google.com>
Date: 2024-08-12 20:47:51
Also in:
linux-perf-users, lkml
Subsystem:
performance events subsystem, the rest · Maintainers:
Peter Zijlstra, Ingo Molnar, Arnaldo Carvalho de Melo, Namhyung Kim, Linus Torvalds
Use perf_tool__init so that more uses of struct perf_tool can be const and not relying on perf_tool__fill_defaults. Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/builtin-record.c | 33 ++++++++++++++++++++------------- tools/perf/util/tool.c | 10 +++++----- tools/perf/util/tool.h | 6 ++++++ 3 files changed, 31 insertions(+), 18 deletions(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 46410eb3a76b..39367709fd99 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c@@ -194,6 +194,15 @@ static const char *affinity_tags[PERF_AFFINITY_MAX] = { "SYS", "NODE", "CPU" }; +static int build_id__process_mmap(const struct perf_tool *tool, union perf_event *event, + struct perf_sample *sample, struct machine *machine); +static int build_id__process_mmap2(const struct perf_tool *tool, union perf_event *event, + struct perf_sample *sample, struct machine *machine); +static int process_timestamp_boundary(const struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct machine *machine); + #ifndef HAVE_GETTID static inline pid_t gettid(void) {
@@ -1459,7 +1468,7 @@ static int process_buildids(struct record *rec) * first/last samples. */ if (rec->buildid_all && !rec->timestamp_boundary) - rec->tool.sample = NULL; + rec->tool.sample = process_event_sample_stub; return perf_session__process_events(session); }
@@ -2387,6 +2396,16 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) signal(SIGUSR2, SIG_IGN); } + perf_tool__init(tool, /*ordered_events=*/true); + tool->sample = process_sample_event; + tool->fork = perf_event__process_fork; + tool->exit = perf_event__process_exit; + tool->comm = perf_event__process_comm; + tool->namespaces = perf_event__process_namespaces; + tool->mmap = build_id__process_mmap; + tool->mmap2 = build_id__process_mmap2; + tool->itrace_start = process_timestamp_boundary; + tool->aux = process_timestamp_boundary; session = perf_session__new(data, tool); if (IS_ERR(session)) { pr_err("Perf session creation failed.\n");
@@ -3327,18 +3346,6 @@ static struct record record = { .ctl_fd_ack = -1, .synth = PERF_SYNTH_ALL, }, - .tool = { - .sample = process_sample_event, - .fork = perf_event__process_fork, - .exit = perf_event__process_exit, - .comm = perf_event__process_comm, - .namespaces = perf_event__process_namespaces, - .mmap = build_id__process_mmap, - .mmap2 = build_id__process_mmap2, - .itrace_start = process_timestamp_boundary, - .aux = process_timestamp_boundary, - .ordered_events = true, - }, }; const char record_callchain_help[] = CALLCHAIN_RECORD_HELP
diff --git a/tools/perf/util/tool.c b/tools/perf/util/tool.c
index cbd9b888bd73..a4ca16e5eefe 100644
--- a/tools/perf/util/tool.c
+++ b/tools/perf/util/tool.c@@ -99,11 +99,11 @@ static int process_event_synth_event_update_stub(const struct perf_tool *tool __ return 0; } -static int process_event_sample_stub(const struct perf_tool *tool __maybe_unused, - union perf_event *event __maybe_unused, - struct perf_sample *sample __maybe_unused, - struct evsel *evsel __maybe_unused, - struct machine *machine __maybe_unused) +int process_event_sample_stub(const struct perf_tool *tool __maybe_unused, + union perf_event *event __maybe_unused, + struct perf_sample *sample __maybe_unused, + struct evsel *evsel __maybe_unused, + struct machine *machine __maybe_unused) { dump_printf(": unhandled!\n"); return 0;
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index 7c7ce395e573..c7fea58729a5 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h@@ -94,4 +94,10 @@ void perf_tool__fill_defaults(struct perf_tool *tool); bool perf_tool__compressed_is_stub(const struct perf_tool *tool); +int process_event_sample_stub(const struct perf_tool *tool, + union perf_event *event, + struct perf_sample *sample, + struct evsel *evsel, + struct machine *machine); + #endif /* __PERF_TOOL_H */
--
2.46.0.76.ge559c4bf1a-goog