linux-kernel - [PATCH v1 01/17] perf kvm: Fix debug assertion

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Message-ID: <20251122081929.7588-2-irogers@google.com>
Date: Sat, 22 Nov 2025 00:19:13 -0800
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>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	James Clark <james.clark@...aro.org>, Collin Funk <collin.funk1@...il.com>, 
	Dmitry Vyukov <dvyukov@...gle.com>, Andi Kleen <ak@...ux.intel.com>, 
	Thomas Falcon <thomas.falcon@...el.com>, Leo Yan <leo.yan@....com>, 
	Yicong Yang <yangyicong@...ilicon.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Masami Hiramatsu (Google)" <mhiramat@...nel.org>, Stephen Brennan <stephen.s.brennan@...cle.com>, 
	Haibo Xu <haibo1.xu@...el.com>, linux-kernel@...r.kernel.org, 
	linux-perf-users@...r.kernel.org
Subject: [PATCH v1 01/17] perf kvm: Fix debug assertion

There are 2 slots left for kvm_add_default_arch_event, fix the
assertion so that debug builds don't fail the assert and to agree with
the comment.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/builtin-kvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index f0f285763f19..c61369d54dd9 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -2014,7 +2014,7 @@ static int __cmd_record(const char *file_name, int argc, const char **argv)
 	for (j = 1; j < argc; j++, i++)
 		rec_argv[i] = STRDUP_FAIL_EXIT(argv[j]);
 
-	BUG_ON(i != rec_argc);
+	BUG_ON(i + 2 != rec_argc);
 
 	ret = kvm_add_default_arch_event(&i, rec_argv);
 	if (ret)
-- 
2.52.0.rc2.455.g230fcf2819-goog