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perf build: Add shellcheck to tools/perf scripts

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Address shell check errors/warnings in perf-archive.sh and
perf-completion.sh.

Reviewed-by: James Clark <james.clark@arm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Link: https://lore.kernel.org/r/20240409023216.2342032-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2024-04-08 19:32:13 -07:00 committed by Arnaldo Carvalho de Melo
parent 20b0027ca1
commit 646e22eb87
3 changed files with 31 additions and 8 deletions
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14
tools/perf/Build
View File

@ -59,3 +59,17 @@ perf-y += ui/
perf-y += scripts/
gtk-y += ui/gtk/
ifdef SHELLCHECK
SHELL_TESTS := $(wildcard *.sh)
TEST_LOGS := $(SHELL_TESTS:%=%.shellcheck_log)
else
SHELL_TESTS :=
TEST_LOGS :=
endif
$(OUTPUT)%.shellcheck_log: %
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)shellcheck -s bash -a -S warning "$<" > $@ || (cat $@ && rm $@ && false)
perf-y += $(TEST_LOGS)

2
tools/perf/perf-archive.sh
View File

@ -34,7 +34,7 @@ if [ $UNPACK -eq 1 ]; then
TARGET=`find . -regex "\./perf.*\.tar\.bz2"`
TARGET_NUM=`echo -n "$TARGET" | grep -c '^'`
if [ -z "$TARGET" -o $TARGET_NUM -gt 1 ]; then
if [ -z "$TARGET" ] || [ $TARGET_NUM -gt 1 ]; then
echo -e "Error: $TARGET_NUM files found for unpacking:\n$TARGET"
echo "Provide the requested file as an argument"
exit 1

23
tools/perf/perf-completion.sh
View File

@ -108,6 +108,8 @@ __perf__ltrim_colon_completions()
__perfcomp ()
{
# Expansion of spaces to array is deliberate.
# shellcheck disable=SC2207
COMPREPLY=( $( compgen -W "$1" -- "$2" ) )
}
@ -127,13 +129,13 @@ __perf_prev_skip_opts ()
let i=cword-1
cmds_=$($cmd $1 --list-cmds)
prev_skip_opts=()
prev_skip_opts=""
while [ $i -ge 0 ]; do
if [[ ${words[i]} == $1 ]]; then
if [[ ${words[i]} == "$1" ]]; then
return
fi
for cmd_ in $cmds_; do
if [[ ${words[i]} == $cmd_ ]]; then
if [[ ${words[i]} == "$cmd_" ]]; then
prev_skip_opts=${words[i]}
return
fi
@ -164,9 +166,10 @@ __perf_main ()
$prev_skip_opts == @(record|stat|top) ]]; then
local cur1=${COMP_WORDS[COMP_CWORD]}
local raw_evts=$($cmd list --raw-dump hw sw cache tracepoint pmu sdt)
local raw_evts
local arr s tmp result cpu_evts
raw_evts=$($cmd list --raw-dump hw sw cache tracepoint pmu sdt)
# aarch64 doesn't have /sys/bus/event_source/devices/cpu/events
if [[ `uname -m` != aarch64 ]]; then
cpu_evts=$(ls /sys/bus/event_source/devices/cpu/events)
@ -175,10 +178,12 @@ __perf_main ()
if [[ "$cur1" == */* && ${cur1#*/} =~ ^[A-Z] ]]; then
OLD_IFS="$IFS"
IFS=" "
# Expansion of spaces to array is deliberate.
# shellcheck disable=SC2206
arr=($raw_evts)
IFS="$OLD_IFS"
for s in ${arr[@]}
for s in "${arr[@]}"
do
if [[ "$s" == *cpu/* ]]; then
tmp=${s#*cpu/}
@ -200,11 +205,13 @@ __perf_main ()
fi
elif [[ $prev == @("--pfm-events") &&
$prev_skip_opts == @(record|stat|top) ]]; then
local evts=$($cmd list --raw-dump pfm)
local evts
evts=$($cmd list --raw-dump pfm)
__perfcomp "$evts" "$cur"
elif [[ $prev == @("-M"|"--metrics") &&
$prev_skip_opts == @(stat) ]]; then
local metrics=$($cmd list --raw-dump metric metricgroup)
local metrics
metrics=$($cmd list --raw-dump metric metricgroup)
__perfcomp "$metrics" "$cur"
else
# List subcommands for perf commands
@ -278,6 +285,8 @@ if [[ -n ${ZSH_VERSION-} ]]; then
let cword=CURRENT-1
emulate ksh -c __perf_main
let _ret && _default && _ret=0
# _ret is only assigned 0 or 1, disable inaccurate analysis.
# shellcheck disable=SC2152
return _ret
}