perf c2c: Use perf_tool__init()

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>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Jonathan Cameron <jonathan.cameron@huawei.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linux.dev>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Nick Terrell <terrelln@fb.com>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: Sun Haiyong <sunhaiyong@loongson.cn>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Yicong Yang <yangyicong@hisilicon.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://lore.kernel.org/r/20240812204720.631678-13-irogers@google.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-c2c.c

@@ -385,24 +385,6 @@ static int process_sample_event(const struct perf_tool *tool __maybe_unused,
 	goto out;
 }
 
-static struct perf_c2c c2c = {
-	.tool = {
-		.sample		= process_sample_event,
-		.mmap		= perf_event__process_mmap,
-		.mmap2		= perf_event__process_mmap2,
-		.comm		= perf_event__process_comm,
-		.exit		= perf_event__process_exit,
-		.fork		= perf_event__process_fork,
-		.lost		= perf_event__process_lost,
-		.attr		= perf_event__process_attr,
-		.auxtrace_info  = perf_event__process_auxtrace_info,
-		.auxtrace       = perf_event__process_auxtrace,
-		.auxtrace_error = perf_event__process_auxtrace_error,
-		.ordered_events	= true,
-		.ordering_requires_timestamps = true,
-	},
-};
-
 static const char * const c2c_usage[] = {
 	"perf c2c {record|report}",
 	NULL
@@ -3070,6 +3052,19 @@ static int perf_c2c__report(int argc, const char **argv)
 	data.path  = input_name;
 	data.force = symbol_conf.force;
 
+	perf_tool__init(&c2c.tool, /*ordered_events=*/true);
+	c2c.tool.sample		= process_sample_event;
+	c2c.tool.mmap		= perf_event__process_mmap;
+	c2c.tool.mmap2		= perf_event__process_mmap2;
+	c2c.tool.comm		= perf_event__process_comm;
+	c2c.tool.exit		= perf_event__process_exit;
+	c2c.tool.fork		= perf_event__process_fork;
+	c2c.tool.lost		= perf_event__process_lost;
+	c2c.tool.attr		= perf_event__process_attr;
+	c2c.tool.auxtrace_info  = perf_event__process_auxtrace_info;
+	c2c.tool.auxtrace       = perf_event__process_auxtrace;
+	c2c.tool.auxtrace_error = perf_event__process_auxtrace_error;
+	c2c.tool.ordering_requires_timestamps = true;
 	session = perf_session__new(&data, &c2c.tool);
 	if (IS_ERR(session)) {
 		err = PTR_ERR(session);