linux-kernel - [PATCH v1 4/6] perf annotate: Skip annotating data types to lea instructions

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Message-ID: <20250725202809.1230085-5-zecheng@google.com>
Date: Fri, 25 Jul 2025 20:28:07 +0000
From: Zecheng Li <zecheng@...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>, 
	"Liang, Kan" <kan.liang@...ux.intel.com>, Masami Hiramatsu <mhiramat@...nel.org>
Cc: Zecheng Li <zli94@...u.edu>, Xu Liu <xliuprof@...gle.com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Zecheng Li <zecheng@...gle.com>
Subject: [PATCH v1 4/6] perf annotate: Skip annotating data types to lea instructions

Remove type annotation on lea instructions since they are not accessing
memory. It should be counted as `no_mem_ops`.

Signed-off-by: Zecheng Li <zecheng@...gle.com>
---
 tools/perf/util/annotate.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0dd475a744b6..0d6f85ab9170 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2729,6 +2729,11 @@ __hist_entry__get_data_type(struct hist_entry *he, struct arch *arch,
 		return &stackop_type;
 	}
 
+	if (!strncmp(dl->ins.name, "lea", 3)) {
+		istat->bad++;
+		return NULL;
+	}
+
 	for_each_insn_op_loc(&loc, i, op_loc) {
 		struct data_loc_info dloc = {
 			.arch = arch,
-- 
2.50.1.470.g6ba607880d-goog