linux-kernel - [PATCH v2 2/5] perf tools: Fix split kallsyms DSO counting

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Message-ID: <20251202235718.1018752-3-namhyung@kernel.org>
Date: Tue,  2 Dec 2025 15:57:15 -0800
From: Namhyung Kim <namhyung@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	James Clark <james.clark@...aro.org>
Cc: Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-perf-users@...r.kernel.org
Subject: [PATCH v2 2/5] perf tools: Fix split kallsyms DSO counting

It's counted twice as it's increased after calling maps__insert().  I
guess we want to increase it only after it's added properly.

Fixes: 2e538c4a1847291cf ("perf tools: Improve kernel/modules symbol lookup")
Reviewed-by: Ian Rogers <irogers@...gle.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
---
 tools/perf/util/symbol.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 5a38435d90c96092..8eea49c50453d13a 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -960,11 +960,11 @@ static int maps__split_kallsyms(struct maps *kmaps, struct dso *dso, u64 delta,
 			if (dso__kernel(dso) == DSO_SPACE__KERNEL_GUEST)
 				snprintf(dso_name, sizeof(dso_name),
 					"[guest.kernel].%d",
-					kernel_range++);
+					kernel_range);
 			else
 				snprintf(dso_name, sizeof(dso_name),
 					"[kernel].%d",
-					kernel_range++);
+					kernel_range);
 
 			ndso = dso__new(dso_name);
 			map__zput(curr_map);
-- 
2.52.0.158.g65b55ccf14-goog