linux-kernel - [PATCH v2 4/4] perf tests: Remove dependency on lscpu

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Date: Wed, 10 Apr 2024 11:34:55 +0100
From: James Clark <james.clark@....com>
To: linux-perf-users@...r.kernel.org,
	irogers@...gle.com,
	namhyung@...nel.org
Cc: James Clark <james.clark@....com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	"Liang, Kan" <kan.liang@...ux.intel.com>,
	Athira Rajeev <atrajeev@...ux.vnet.ibm.com>,
	Spoorthy S <spoorts2@...ibm.com>,
	Leo Yan <leo.yan@...ux.dev>,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 4/4] perf tests: Remove dependency on lscpu

This check can be done with uname which is more portable. At the same
time re-arrange it into a standard if statement so that it's more
readable.

Signed-off-by: James Clark <james.clark@....com>
---
 tools/perf/tests/shell/test_arm_callgraph_fp.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
index 83b53591b1ea..61898e256616 100755
--- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh
+++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh
@@ -6,7 +6,9 @@ shelldir=$(dirname "$0")
 # shellcheck source=lib/perf_has_symbol.sh
 . "${shelldir}"/lib/perf_has_symbol.sh
 
-lscpu | grep -q "aarch64" || exit 2
+if [ "$(uname -m)" != "aarch64" ]; then
+	exit 2
+fi
 
 if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF
 then
-- 
2.34.1