[PATCH v4 06/28] perf tool: Add perf_tool__init

[Ian Rogers]

Add init function that behaves like perf_tool__fill_defaults but
assumes all values haven't been initialized.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/util/tool.c | 58 ++++++++++++++++++++++++++++++++++++++++++
 tools/perf/util/tool.h |  1 +
 2 files changed, 59 insertions(+)

diff --git a/tools/perf/util/tool.c b/tools/perf/util/tool.c
index 17219ecb8fa6..cbd9b888bd73 100644
--- a/tools/perf/util/tool.c
+++ b/tools/perf/util/tool.c
@@ -230,6 +230,64 @@ static int perf_session__process_compressed_event_stub(struct perf_session *sess
 	return 0;
 }
 
+void perf_tool__init(struct perf_tool *tool, bool ordered_events)
+{
+	tool->ordered_events = ordered_events;
+	tool->ordering_requires_timestamps = false;
+	tool->namespace_events = false;
+	tool->cgroup_events = false;
+	tool->no_warn = false;
+	tool->show_feat_hdr = SHOW_FEAT_NO_HEADER;
+
+	tool->sample = process_event_sample_stub;
+	tool->mmap = process_event_stub;
+	tool->mmap2 = process_event_stub;
+	tool->comm = process_event_stub;
+	tool->namespaces = process_event_stub;
+	tool->cgroup = process_event_stub;
+	tool->fork = process_event_stub;
+	tool->exit = process_event_stub;
+	tool->lost = perf_event__process_lost;
+	tool->lost_samples = perf_event__process_lost_samples;
+	tool->aux = perf_event__process_aux;
+	tool->itrace_start = perf_event__process_itrace_start;
+	tool->context_switch = perf_event__process_switch;
+	tool->ksymbol = perf_event__process_ksymbol;
+	tool->bpf = perf_event__process_bpf;
+	tool->text_poke = perf_event__process_text_poke;
+	tool->aux_output_hw_id = perf_event__process_aux_output_hw_id;
+	tool->read = process_event_sample_stub;
+	tool->throttle = process_event_stub;
+	tool->unthrottle = process_event_stub;
+	tool->attr = process_event_synth_attr_stub;
+	tool->event_update = process_event_synth_event_update_stub;
+	tool->tracing_data = process_event_synth_tracing_data_stub;
+	tool->build_id = process_event_op2_stub;
+
+	if (ordered_events)
+		tool->finished_round = perf_event__process_finished_round;
+	else
+		tool->finished_round = process_finished_round_stub;
+
+	tool->id_index = process_event_op2_stub;
+	tool->auxtrace_info = process_event_op2_stub;
+	tool->auxtrace = process_event_auxtrace_stub;
+	tool->auxtrace_error = process_event_op2_stub;
+	tool->thread_map = process_event_thread_map_stub;
+	tool->cpu_map = process_event_cpu_map_stub;
+	tool->stat_config = process_event_stat_config_stub;
+	tool->stat = process_stat_stub;
+	tool->stat_round = process_stat_round_stub;
+	tool->time_conv = process_event_time_conv_stub;
+	tool->feature = process_event_op2_stub;
+#ifdef HAVE_ZSTD_SUPPORT
+	tool->compressed = perf_session__process_compressed_event;
+#else
+	tool->compressed = perf_session__process_compressed_event_stub;
+#endif
+	tool->finished_init = process_event_op2_stub;
+}
+
 void perf_tool__fill_defaults(struct perf_tool *tool)
 {
 	if (tool->sample == NULL)
diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h
index 7913b698033a..897c6c44b6b2 100644
--- a/tools/perf/util/tool.h
+++ b/tools/perf/util/tool.h
@@ -88,6 +88,7 @@ struct perf_tool {
 	enum show_feature_header show_feat_hdr;
 };
 
+void perf_tool__init(struct perf_tool *tool, bool ordered_events);
 void perf_tool__fill_defaults(struct perf_tool *tool);
 
 bool perf_tool__compressed_is_stub(const struct perf_tool *tool);
-- 
2.45.2.993.g49e7a77208-goog