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From:   Meng Li <li.meng@amd.com>
To:     Shuah Khan <skhan@linuxfoundation.org>,
        Huang Rui <ray.huang@amd.com>, <linux-pm@vger.kernel.org>
CC:     "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
        Nathan Fontenot <nathan.fontenot@amd.com>,
        Deepak Sharma <deepak.sharma@amd.com>,
        "Alex Deucher" <alexander.deucher@amd.com>,
        Mario Limonciello <mario.limonciello@amd.com>,
        Jinzhou Su <Jinzhou.Su@amd.com>,
        Perry Yuan <Perry.Yuan@amd.com>,
        Xiaojian Du <Xiaojian.Du@amd.com>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Borislav Petkov <bp@alien8.de>, <linux-kernel@vger.kernel.org>,
        Meng Li <li.meng@amd.com>
Subject: [PATCH V1 1/4] selftests: amd-pstate: Modify amd-pstate-ut.sh to basic.sh.
Date:   Wed, 6 Jul 2022 15:36:19 +0800
Message-ID: <20220706073622.672135-2-li.meng@amd.com>
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Modify amd-pstate-ut.sh to basic.sh.
The purpose of this modification is to facilitate the subsequent
addition of gitsource, tbench and other tests.

Signed-off-by: Meng Li <li.meng@amd.com>
---
 tools/testing/selftests/amd-pstate/Makefile   |   3 +-
 .../selftests/amd-pstate/amd-pstate-ut.sh     |  55 --------
 tools/testing/selftests/amd-pstate/basic.sh   |  38 +++++
 tools/testing/selftests/amd-pstate/main.sh    | 131 ++++++++++++++++++
 tools/testing/selftests/amd-pstate/run.sh     |  15 ++
 5 files changed, 186 insertions(+), 56 deletions(-)
 delete mode 100755 tools/testing/selftests/amd-pstate/amd-pstate-ut.sh
 create mode 100755 tools/testing/selftests/amd-pstate/basic.sh
 create mode 100755 tools/testing/selftests/amd-pstate/main.sh
 create mode 100755 tools/testing/selftests/amd-pstate/run.sh

diff --git a/tools/testing/selftests/amd-pstate/Makefile b/tools/testing/selftests/amd-pstate/Makefile
index 199867f44b32..167ab51ec290 100644
--- a/tools/testing/selftests/amd-pstate/Makefile
+++ b/tools/testing/selftests/amd-pstate/Makefile
@@ -4,6 +4,7 @@
 # No binaries, but make sure arg-less "make" doesn't trigger "run_tests"
 all:
 
-TEST_PROGS := amd-pstate-ut.sh
+TEST_PROGS := run.sh
+TEST_FILES := main.sh basic.sh
 
 include ../lib.mk
diff --git a/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh
deleted file mode 100755
index 273364650285..000000000000
--- a/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh
+++ /dev/null
@@ -1,55 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0
-
-# amd-pstate-ut is a test module for testing the amd-pstate driver.
-# It can only run on x86 architectures and current cpufreq driver
-# must be amd-pstate.
-# (1) It can help all users to verify their processor support
-# (SBIOS/Firmware or Hardware).
-# (2) Kernel can have a basic function test to avoid the kernel
-# regression during the update.
-# (3) We can introduce more functional or performance tests to align
-# the result together, it will benefit power and performance scale optimization.
-
-# Kselftest framework requirement - SKIP code is 4.
-ksft_skip=4
-
-# amd-pstate-ut only run on x86/x86_64 AMD systems.
-ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/')
-VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}')
-
-if ! echo "$ARCH" | grep -q x86; then
-	echo "$0 # Skipped: Test can only run on x86 architectures."
-	exit $ksft_skip
-fi
-
-if ! echo "$VENDOR" | grep -iq amd; then
-	echo "$0 # Skipped: Test can only run on AMD CPU."
-	echo "$0 # Current cpu vendor is $VENDOR."
-	exit $ksft_skip
-fi
-
-scaling_driver=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_driver)
-if [ "$scaling_driver" != "amd-pstate" ]; then
-	echo "$0 # Skipped: Test can only run on amd-pstate driver."
-	echo "$0 # Current cpufreq scaling drvier is $scaling_driver."
-	exit $ksft_skip
-fi
-
-msg="Skip all tests:"
-if [ ! -w /dev ]; then
-    echo $msg please run this as root >&2
-    exit $ksft_skip
-fi
-
-if ! /sbin/modprobe -q -n amd-pstate-ut; then
-	echo "amd-pstate-ut: module amd-pstate-ut is not found [SKIP]"
-	exit $ksft_skip
-fi
-if /sbin/modprobe -q amd-pstate-ut; then
-	/sbin/modprobe -q -r amd-pstate-ut
-	echo "amd-pstate-ut: ok"
-else
-	echo "amd-pstate-ut: [FAIL]"
-	exit 1
-fi
diff --git a/tools/testing/selftests/amd-pstate/basic.sh b/tools/testing/selftests/amd-pstate/basic.sh
new file mode 100755
index 000000000000..e4c43193e4a3
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/basic.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+# amd-pstate-ut is a test module for testing the amd-pstate driver.
+# It can only run on x86 architectures and current cpufreq driver
+# must be amd-pstate.
+# (1) It can help all users to verify their processor support
+# (SBIOS/Firmware or Hardware).
+# (2) Kernel can have a basic function test to avoid the kernel
+# regression during the update.
+# (3) We can introduce more functional or performance tests to align
+# the result together, it will benefit power and performance scale optimization.
+
+# protect against multiple inclusion
+if [ $FILE_BASIC ]; then
+	return 0
+else
+	FILE_BASIC=DONE
+fi
+
+amd_pstate_basic()
+{
+	printf "\n---------------------------------------------\n"
+	printf "*** Running AMD P-state ut                ***"
+	printf "\n---------------------------------------------\n"
+
+	if ! /sbin/modprobe -q -n amd-pstate-ut; then
+		echo "amd-pstate-ut: module amd-pstate-ut is not found [SKIP]"
+		exit $ksft_skip
+	fi
+	if /sbin/modprobe -q amd-pstate-ut; then
+		/sbin/modprobe -q -r amd-pstate-ut
+		echo "amd-pstate-basic: ok"
+	else
+		echo "amd-pstate-basic: [FAIL]"
+		exit 1
+	fi
+}
diff --git a/tools/testing/selftests/amd-pstate/main.sh b/tools/testing/selftests/amd-pstate/main.sh
new file mode 100755
index 000000000000..1c28b5d7b4c5
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/main.sh
@@ -0,0 +1,131 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# protect against multiple inclusion
+if [ $FILE_MAIN ]; then
+	return 0
+else
+	FILE_MAIN=DONE
+fi
+
+source basic.sh
+
+# amd-pstate-ut only run on x86/x86_64 AMD systems.
+ARCH=$(uname -m 2>/dev/null | sed -e 's/i.86/x86/' -e 's/x86_64/x86/')
+VENDOR=$(cat /proc/cpuinfo | grep -m 1 'vendor_id' | awk '{print $NF}')
+
+FUNC=all
+OUTFILE=selftest
+
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+# All amd-pstate tests
+amd_pstate_all()
+{
+	printf "\n=============================================\n"
+	printf "***** Running AMD P-state Sanity Tests  *****\n"
+	printf "=============================================\n\n"
+
+	# unit test for amd-pstate kernel driver
+	amd_pstate_basic
+}
+
+helpme()
+{
+	printf "Usage: $0 [OPTION...]
+	[-h <help>]
+	[-o <output-file-for-dump>]
+	[-c <all: All testing,
+	     basic: Basic testing.>]
+	\n"
+	exit 2
+}
+
+parse_arguments()
+{
+	while getopts ho:c: arg
+	do
+		case $arg in
+			h) # --help
+				helpme
+				;;
+
+			c) # --func_type (Function to perform: basic (default: all))
+				FUNC=$OPTARG
+				;;
+
+			o) # --output-file (Output file to store dumps)
+				OUTFILE=$OPTARG
+				;;
+
+			\?)
+				helpme
+				;;
+		esac
+	done
+}
+
+prerequisite()
+{
+	if ! echo "$ARCH" | grep -q x86; then
+		echo "$0 # Skipped: Test can only run on x86 architectures."
+		exit $ksft_skip
+	fi
+
+	if ! echo "$VENDOR" | grep -iq amd; then
+		echo "$0 # Skipped: Test can only run on AMD CPU."
+		echo "$0 # Current cpu vendor is $VENDOR."
+		exit $ksft_skip
+	fi
+
+	scaling_driver=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_driver)
+	if [ "$scaling_driver" != "amd-pstate" ]; then
+		echo "$0 # Skipped: Test can only run on amd-pstate driver."
+		echo "$0 # Current cpufreq scaling drvier is $scaling_driver."
+		exit $ksft_skip
+	fi
+
+	msg="Skip all tests:"
+	if [ ! -w /dev ]; then
+		echo $msg please run this as root >&2
+		exit $ksft_skip
+	fi
+}
+
+do_test()
+{
+	case "$FUNC" in
+		"all")
+		amd_pstate_all
+		;;
+
+		"basic")
+		amd_pstate_basic
+		;;
+
+		*)
+		echo "Invalid [-f] function type"
+		helpme
+		;;
+	esac
+}
+
+# clear dumps
+pre_clear_dumps()
+{
+	case "$FUNC" in
+		"all")
+		rm -rf $OUTFILE*
+		;;
+
+		"basic")
+		;;
+
+	esac
+}
+
+post_clear_dumps()
+{
+	rm -rf $OUTFILE.log
+}
diff --git a/tools/testing/selftests/amd-pstate/run.sh b/tools/testing/selftests/amd-pstate/run.sh
new file mode 100755
index 000000000000..247e80bfee44
--- /dev/null
+++ b/tools/testing/selftests/amd-pstate/run.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+source main.sh
+
+# Parse arguments
+parse_arguments $@
+
+# Make sure all requirements are met
+prerequisite
+
+# Run requested functions
+pre_clear_dumps
+do_test | tee -a $OUTFILE.log
+post_clear_dumps
-- 
2.25.1