Add a common directory for all the functions we will use later in the test
scripts.
Signed-off-by: Daniel Lezcano <daniel.lezc...@linaro.org>
---
include/functions.sh | 251 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 251 insertions(+), 0 deletions(-)
create mode 100644 include/functions.sh
diff --git a/include/functions.sh b/include/functions.sh
new file mode 100644
index 0000000..67c356a
--- /dev/null
+++ b/include/functions.sh
@@ -0,0 +1,251 @@
+#!/bin/bash
+#
+# PM-QA validation test suite for the power management on ARM
+#
+# Copyright (C) 2011, Linaro Limited.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
USA.
+#
+# Contributors:
+# Daniel Lezcano <daniel.lezc...@linaro.org> (IBM Corporation)
+# - initial API and implementation
+#
+
+CPU_PATH="/sys/devices/system/cpu"
+TEST_NAME=$(basename ${0%.sh})
+PREFIX=$TEST_NAME
+BLOCK=$(basename $(pwd))
+
+setprefix_cpu() {
+ PREFIX=$BLOCK:$TEST_NAME/$1
+}
+
+log_begin() {
+ printf "%-75s" "$PREFIX $@ ... "
+}
+
+log_end() {
+ printf "$*\n"
+}
+
+log_skip() {
+ log_begin "$@"
+ log_end "SKIP"
+}
+
+for_each_cpu() {
+
+ local func=$1
+ shift 1
+
+ cpus=$(ls $CPU_PATH | grep "cpu[0-9].*")
+
+ for cpu in $cpus; do
+ setprefix_cpu $cpu
+ $func $cpu $@
+ done
+
+ return 0
+}
+
+for_each_governor() {
+
+ local cpu=$1
+ local func=$2
+ local dirpath=$CPU_PATH/$cpu/cpufreq
+ local governors=$(cat $dirpath/scaling_available_governors)
+ shift 2
+
+ for governor in $governors; do
+ $func $cpu $governor $@
+ done
+
+ return 0
+}
+
+for_each_frequency() {
+
+ local cpu=$1
+ local func=$2
+ local dirpath=$CPU_PATH/$cpu/cpufreq
+ local frequencies=$(cat $dirpath/scaling_available_frequencies)
+ shift 2
+
+ for frequency in $frequencies; do
+ $func $cpu $frequency $@
+ done
+
+ return 0
+}
+
+set_governor() {
+
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq/scaling_governor
+ local newgov=$2
+
+ echo $newgov > $dirpath
+}
+
+get_governor() {
+
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq/scaling_governor
+
+ cat $dirpath
+}
+
+wait_latency() {
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq
+ local latency=$(cat $dirpath/cpuinfo_transition_latency)
+ local nrfreq=$(cat $dirpath/scaling_available_frequencies | wc -w)
+
+ nrfreq=$((nrfreq + 1))
+ ../utils/nanosleep $(($nrfreq * $latency))
+}
+
+frequnit() {
+ local freq=$1
+ local ghz=$(echo "scale=1;($freq / 1000000)" | bc -l)
+ local mhz=$(echo "scale=1;($freq / 1000)" | bc -l)
+
+ res=$(echo "($ghz > 1.0)" | bc -l)
+ if [ "$res" = "1" ]; then
+ echo $ghz GHz
+ return 0
+ fi
+
+ res=$(echo "($mhz > 1.0)" | bc -l)
+ if [ "$res" = "1" ];then
+ echo $mhz MHz
+ return 0
+ fi
+
+ echo $freq KHz
+}
+
+set_frequency() {
+
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq
+ local newfreq=$2
+ local setfreqpath=$dirpath/scaling_setspeed
+
+ echo $newfreq > $setfreqpath
+ wait_latency $cpu
+}
+
+get_frequency() {
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq/scaling_cur_freq
+ cat $dirpath
+}
+
+get_max_frequency() {
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq/scaling_max_freq
+ cat $dirpath
+}
+
+get_min_frequency() {
+ local cpu=$1
+ local dirpath=$CPU_PATH/$cpu/cpufreq/scaling_min_freq
+ cat $dirpath
+}
+
+check() {
+
+ local descr=$1
+ local func=$2
+ shift 2;
+
+ log_begin "checking $descr"
+
+ $func $@
+ if [ $? != 0 ]; then
+ log_end "FAIL"
+ return 1
+ fi
+
+ log_end "PASS"
+
+ return 0
+}
+
+check_cpufreq_files() {
+
+ local dirpath=$CPU_PATH/$1/cpufreq
+ shift 1
+
+ for i in $@; do
+ check "$i exists" "test -f" $dirpath/$i || return 1
+ done
+
+ return 0
+}
+
+save_governors() {
+
+ governors_backup=
+ local index=0
+
+ for i in $(ls $CPU_PATH | grep "cpu[0-9].*"); do
+ governors_backup[$index]=$(cat $CPU_PATH/$i/cpufreq/scaling_governor)
+ index=$((index + 1))
+ done
+}
+
+restore_governors() {
+
+ local index=0
+ local oldgov=
+
+ for i in $(ls $CPU_PATH | grep "cpu[0-9].*"); do
+ oldgov=${governors_backup[$index]}
+ echo $oldgov > $CPU_PATH/$i/cpufreq/scaling_governor
+ index=$((index + 1))
+ done
+}
+
+save_frequencies() {
+
+ frequencies_backup=
+ local index=0
+ local cpus=$(ls $CPU_PATH | grep "cpu[0-9].*")
+ local cpu=
+
+ for cpu in $cpus; do
+ frequencies_backup[$index]=$(cat
$CPU_PATH/$cpu/cpufreq/scaling_cur_freq)
+ index=$((index + 1))
+ done
+}
+
+restore_frequencies() {
+
+ local index=0
+ local oldfreq=
+ local cpus=$(ls $CPU_PATH | grep "cpu[0-9].*")
+
+ for cpu in $cpus; do
+ oldfreq=${frequencies_backup[$index]}
+ echo $oldfreq > $CPU_PATH/$cpu/cpufreq/scaling_setspeed
+ index=$((index + 1))
+ done
+}
+
+sigtrap() {
+ exit 255
+}
\ No newline at end of file
--
1.7.4.1
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