linux-kernel - [PATCH v2 08/27] perf kvm: Use perf_tool_

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Date: Wed, 26 Jun 2024 13:36:10 -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 v2 08/27] perf kvm: 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@...gle.com>
---
 tools/perf/builtin-kvm.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index a3b903cf4311..692267b1b7e8 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -1603,19 +1603,17 @@ static int read_events(struct perf_kvm_stat *kvm)
 {
 	int ret;
 
-	struct perf_tool eops = {
-		.sample			= process_sample_event,
-		.comm			= perf_event__process_comm,
-		.namespaces		= perf_event__process_namespaces,
-		.ordered_events		= true,
-	};
 	struct perf_data file = {
 		.path  = kvm->file_name,
 		.mode  = PERF_DATA_MODE_READ,
 		.force = kvm->force,
 	};
 
-	kvm->tool = eops;
+	perf_tool__init(&kvm->tool, /*ordered_events=*/true);
+	kvm->tool.sample	= process_sample_event;
+	kvm->tool.comm		= perf_event__process_comm;
+	kvm->tool.namespaces	= perf_event__process_namespaces;
+
 	kvm->session = perf_session__new(&file, &kvm->tool);
 	if (IS_ERR(kvm->session)) {
 		pr_err("Initializing perf session failed\n");
@@ -1919,14 +1917,13 @@ static int kvm_events_live(struct perf_kvm_stat *kvm,
 
 
 	/* event handling */
+	perf_tool__init(&kvm->tool, /*ordered_events=*/true);
 	kvm->tool.sample = process_sample_event;
 	kvm->tool.comm   = perf_event__process_comm;
 	kvm->tool.exit   = perf_event__process_exit;
 	kvm->tool.fork   = perf_event__process_fork;
 	kvm->tool.lost   = process_lost_event;
 	kvm->tool.namespaces  = perf_event__process_namespaces;
-	kvm->tool.ordered_events = true;
-	perf_tool__fill_defaults(&kvm->tool);
 
 	/* set defaults */
 	kvm->display_time = 1;
-- 
2.45.2.741.gdbec12cfda-goog