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From: Ian Rogers <irogers@google.com>
To: Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Arnaldo Carvalho de Melo <acme@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	James Clark <james.clark@arm.com>,
	Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Subject: [PATCH v2 3/4] perf test: Use common python setup library
Date: Wed, 29 Nov 2023 13:34:27 -0800	[thread overview]
Message-ID: <20231129213428.2227448-3-irogers@google.com> (raw)
In-Reply-To: <20231129213428.2227448-1-irogers@google.com>

Avoid replicated logic by having a common library to set the PYTHON
environment variable.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/tests/shell/lib/setup_python.sh       | 16 ++++++++++++++++
 tools/perf/tests/shell/stat+json_output.sh       | 16 +++-------------
 tools/perf/tests/shell/stat_metrics_values.sh    | 14 ++++----------
 .../tests/shell/test_perf_data_converter_json.sh | 13 +++----------
 4 files changed, 26 insertions(+), 33 deletions(-)
 create mode 100644 tools/perf/tests/shell/lib/setup_python.sh

diff --git a/tools/perf/tests/shell/lib/setup_python.sh b/tools/perf/tests/shell/lib/setup_python.sh
new file mode 100644
index 000000000000..c2fce1793538
--- /dev/null
+++ b/tools/perf/tests/shell/lib/setup_python.sh
@@ -0,0 +1,16 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+if [ "x$PYTHON" = "x" ]
+then
+  python3 --version >/dev/null 2>&1 && PYTHON=python3
+fi
+if [ "x$PYTHON" = "x" ]
+then
+  python --version >/dev/null 2>&1 && PYTHON=python
+fi
+if [ "x$PYTHON" = "x" ]
+then
+  echo Skipping test, python not detected please set environment variable PYTHON.
+  exit 2
+fi
diff --git a/tools/perf/tests/shell/stat+json_output.sh b/tools/perf/tests/shell/stat+json_output.sh
index 196e22672c50..3bc900533a5d 100755
--- a/tools/perf/tests/shell/stat+json_output.sh
+++ b/tools/perf/tests/shell/stat+json_output.sh
@@ -8,20 +8,10 @@ set -e
 
 skip_test=0
 
+shelldir=$(dirname "$0")
+# shellcheck source=lib/setup_python.sh
+. "${shelldir}"/lib/setup_python.sh
 pythonchecker=$(dirname $0)/lib/perf_json_output_lint.py
-if [ "x$PYTHON" == "x" ]
-then
-	if which python3 > /dev/null
-	then
-		PYTHON=python3
-	elif which python > /dev/null
-	then
-		PYTHON=python
-	else
-		echo Skipping test, python not detected please set environment variable PYTHON.
-		exit 2
-	fi
-fi
 
 stat_output=$(mktemp /tmp/__perf_test.stat_output.json.XXXXX)
 
diff --git a/tools/perf/tests/shell/stat_metrics_values.sh b/tools/perf/tests/shell/stat_metrics_values.sh
index ad94c936de7e..7ca172599aa6 100755
--- a/tools/perf/tests/shell/stat_metrics_values.sh
+++ b/tools/perf/tests/shell/stat_metrics_values.sh
@@ -1,16 +1,10 @@
 #!/bin/bash
 # perf metrics value validation
 # SPDX-License-Identifier: GPL-2.0
-if [ "x$PYTHON" == "x" ]
-then
-	if which python3 > /dev/null
-	then
-		PYTHON=python3
-	else
-		echo Skipping test, python3 not detected please set environment variable PYTHON.
-		exit 2
-	fi
-fi
+
+shelldir=$(dirname "$0")
+# shellcheck source=lib/setup_python.sh
+. "${shelldir}"/lib/setup_python.sh
 
 grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; }
 
diff --git a/tools/perf/tests/shell/test_perf_data_converter_json.sh b/tools/perf/tests/shell/test_perf_data_converter_json.sh
index 6ded58f98f55..c4f1b59d116f 100755
--- a/tools/perf/tests/shell/test_perf_data_converter_json.sh
+++ b/tools/perf/tests/shell/test_perf_data_converter_json.sh
@@ -6,16 +6,9 @@ set -e
 
 err=0
 
-if [ "$PYTHON" = "" ] ; then
-	if which python3 > /dev/null ; then
-		PYTHON=python3
-	elif which python > /dev/null ; then
-		PYTHON=python
-	else
-		echo Skipping test, python not detected please set environment variable PYTHON.
-		exit 2
-	fi
-fi
+shelldir=$(dirname "$0")
+# shellcheck source=lib/setup_python.sh
+. "${shelldir}"/lib/setup_python.sh
 
 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
 result=$(mktemp /tmp/__perf_test.output.json.XXXXX)
-- 
2.43.0.rc1.413.gea7ed67945-goog


  parent reply	other threads:[~2023-11-29 21:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-29 21:34 [PATCH v2 1/4] perf build: Shellcheck support for OUTPUT directory Ian Rogers
2023-11-29 21:34 ` [PATCH v2 2/4] perf list: Fix json segfault Ian Rogers
2023-11-29 21:34 ` Ian Rogers [this message]
2023-11-29 21:34 ` [PATCH v2 4/4] perf test: Add basic list test Ian Rogers
2023-11-30  5:47 ` [PATCH v2 1/4] perf build: Shellcheck support for OUTPUT directory Athira Rajeev
2023-12-01  6:19 ` Athira Rajeev
2023-12-04 19:45   ` Arnaldo Carvalho de Melo
2023-12-05  7:33     ` Athira Rajeev

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