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Message-Id: <20181205113104.71319-1-huntbag@linux.vnet.ibm.com>
Date: Wed, 5 Dec 2018 17:01:04 +0530
From: Abhishek Goel <huntbag@...ux.vnet.ibm.com>
To: trenn@...e.de, linux-pm@...r.kernel.org, shuah@...nel.org,
linux-kernel@...r.kernel.org
Cc: ego@...ux.vnet.ibm.com, akshay.adiga@...ux.vnet.ibm.com,
Abhishek Goel <huntbag@...ux.vnet.ibm.com>,
Bharath Thodla <bharath.thodla@...ibm.com>
Subject: [PATCH] cpupower : Auto-completion for cpupower tool
This script adds support for auto-completion for cpupower tool.
Added support for auto-completion of all the eight commands for
cpupower tool and their all subsequent sub-commands, wherever
possible.
A sample output after applying this script -
root@...ntu:~# cpupower f<TAB>
root@...ntu:~# cpupower frequency-<TAB>
frequency-info frequency-set
root@...ntu:~# cpupower frequency-set -
-d --freq --governor --min --related
-f -g --max -r -u
root@...ntu:~# cpupower frequency-set -g <TAB>
conservative ondemand performance powersave schedutil userspace
root@...ntu:~# cpupower frequency-set -f <TAB>
2061000 2194000 2327000 2460000 2593000 2726000 2859000
2094000 2227000 2360000 2493000 2626000 2759000 2892000
2128000 2261000 2394000 2527000 2660000 2793000 2926000
2161000 2294000 2427000 2560000 2693000 2826000 2959000
root@...ntu:~# cpupower frequency-set -f 206<TAB>
root@...ntu:~# cpupower frequency-set -f 2061000
Signed-off-by: Abhishek Goel <huntbag@...ux.vnet.ibm.com>
Signed-off-by: Bharath Thodla <bharath.thodla@...ibm.com>
Tested-by: Thomas Renninger <trenn@...e.de>
---
tools/power/cpupower/Makefile | 6 +-
tools/power/cpupower/cpupower-completion.sh | 128 ++++++++++++++++++++
2 files changed, 133 insertions(+), 1 deletion(-)
create mode 100644 tools/power/cpupower/cpupower-completion.sh
diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile
index 1dd5f4fcf..8c3adac6b 100644
--- a/tools/power/cpupower/Makefile
+++ b/tools/power/cpupower/Makefile
@@ -89,6 +89,7 @@ endif
localedir ?= /usr/share/locale
docdir ?= /usr/share/doc/packages/cpupower
confdir ?= /etc/
+bash_completion_dir ?= /usr/share/bash-completion/completions
# Toolchain: what tools do we use, and what options do they need:
@@ -96,7 +97,8 @@ CP = cp -fpR
INSTALL = /usr/bin/install -c
INSTALL_PROGRAM = ${INSTALL}
INSTALL_DATA = ${INSTALL} -m 644
-INSTALL_SCRIPT = ${INSTALL_PROGRAM}
+#bash completion scripts get sourced and so they should be rw only.
+INSTALL_SCRIPT = ${INSTALL} -m 644
# If you are running a cross compiler, you may want to set this
# to something more interesting, like "arm-linux-". If you want
@@ -288,6 +290,8 @@ install-lib:
install-tools:
$(INSTALL) -d $(DESTDIR)${bindir}
$(INSTALL_PROGRAM) $(OUTPUT)cpupower $(DESTDIR)${bindir}
+ $(INSTALL) -d $(DESTDIR)${bash_completion_dir}
+ $(INSTALL_SCRIPT) cpupower-completion.sh '$(DESTDIR)${bash_completion_dir}/cpupower'
install-man:
$(INSTALL_DATA) -D man/cpupower.1 $(DESTDIR)${mandir}/man1/cpupower.1
diff --git a/tools/power/cpupower/cpupower-completion.sh b/tools/power/cpupower/cpupower-completion.sh
new file mode 100644
index 000000000..e10839cfc
--- /dev/null
+++ b/tools/power/cpupower/cpupower-completion.sh
@@ -0,0 +1,128 @@
+# -*- shell-script -*-
+# bash completion script for cpupower
+# Taken from git.git's completion script.
+
+_cpupower_commands="frequency-info frequency-set idle-info idle-set set info monitor"
+
+_frequency_info ()
+{
+ local flags="-f -w -l -d -p -g -a -s -y -o -m -n --freq --hwfreq --hwlimits --driver --policy --governors --related-cpus --affected-cpus --stats --latency --proc --human --no-rounding"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ frequency-info) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_frequency_set ()
+{
+ local flags="-f -g --freq --governor -d --min -u --max -r --related"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ -f| --freq | -d | --min | -u | --max)
+ if [ -d /sys/devices/system/cpu/cpufreq/ ] ; then
+ COMPREPLY=($(compgen -W '$(cat $(ls -d /sys/devices/system/cpu/cpufreq/policy* | head -1)/scaling_available_frequencies)' -- "$cur"))
+ fi ;;
+ -g| --governor)
+ if [ -d /sys/devices/system/cpu/cpufreq/ ] ; then
+ COMPREPLY=($(compgen -W '$(cat $(ls -d /sys/devices/system/cpu/cpufreq/policy* | head -1)/scaling_available_governors)' -- "$cur"))
+ fi;;
+ frequency-set) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_idle_info()
+{
+ local flags="-f --silent"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ idle-info) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_idle_set()
+{
+ local flags="-d --disable -e --enable -D --disable-by-latency -E --enable-all"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ idle-set) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_set()
+{
+ local flags="--perf-bias, -b"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ set) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_monitor()
+{
+ local flags="-l -m -i -c -v"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev" in
+ monitor) COMPREPLY=($(compgen -W "$flags" -- "$cur")) ;;
+ esac
+}
+
+_taskset()
+{
+ local prev_to_prev="${COMP_WORDS[COMP_CWORD-2]}"
+ local prev="${COMP_WORDS[COMP_CWORD-1]}"
+ local cur="${COMP_WORDS[COMP_CWORD]}"
+ case "$prev_to_prev" in
+ -c|--cpu) COMPREPLY=($(compgen -W "$_cpupower_commands" -- "$cur")) ;;
+ esac
+ case "$prev" in
+ frequency-info) _frequency_info ;;
+ frequency-set) _frequency_set ;;
+ idle-info) _idle_info ;;
+ idle-set) _idle_set ;;
+ set) _set ;;
+ monitor) _monitor ;;
+ esac
+
+}
+
+_cpupower ()
+{
+ local i
+ local c=1
+ local command
+
+ while test $c -lt $COMP_CWORD; do
+ if test $c == 1; then
+ command="${COMP_WORDS[c]}"
+ fi
+ c=$((++c))
+ done
+
+ # Complete name of subcommand if the user has not finished typing it yet.
+ if test $c -eq $COMP_CWORD -a -z "$command"; then
+ COMPREPLY=($(compgen -W "help -v --version -c --cpu $_cpupower_commands" -- "${COMP_WORDS[COMP_CWORD]}"))
+ return
+ fi
+
+ # Complete arguments to subcommands.
+ case "$command" in
+ -v|--version) return ;;
+ -c|--cpu) _taskset ;;
+ help) COMPREPLY=($(compgen -W "$_cpupower_commands" -- "${COMP_WORDS[COMP_CWORD]}")) ;;
+ frequency-info) _frequency_info ;;
+ frequency-set) _frequency_set ;;
+ idle-info) _idle_info ;;
+ idle-set) _idle_set ;;
+ set) _set ;;
+ monitor) _monitor ;;
+ esac
+}
+
+complete -o bashdefault -o default -F _cpupower cpupower 2>/dev/null \
+ || complete -o default -F _cpupower cpupower
--
2.17.1
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