[v4,12/28] perf record: Use perf_tool__init

Commit Message

Ian Rogers July 11, 2024, 5:59 p.m. UTC

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 <[e-mail]>
---
 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(-)

Patch

diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index e8677f9e1ccb..4b9309b4c07e 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -193,6 +193,15 @@  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)
 {
@@ -1458,7 +1467,7 @@  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);
 }
@@ -2386,6 +2395,16 @@  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");
@@ -3326,18 +3345,6 @@  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 897c6c44b6b2..fb7e32d98dda 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -93,4 +93,10 @@  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 */