mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-25 02:09:42 +00:00
perf tests: Add daemon reconfig test
Add a test for daemon reconfiguration. The test changes the configuration file and checks that the session is changed properly. Committer testing: [root@five ~]# perf test daemon 76: daemon operations : Ok [root@five ~]# time perf test daemon 76: daemon operations : Ok real 0m6.055s user 0m0.174s sys 0m0.147s [root@five ~]# time perf test -v daemon 76: daemon operations : --- start --- test child forked, pid 786863 test daemon list test daemon reconfig test child finished with 0 ---- end ---- daemon operations: Ok real 0m6.127s user 0m0.222s sys 0m0.165s [root@five ~]# Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: https://lore.kernel.org/r/20210208200908.1019149-21-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
parent
2291bb915b
commit
91a17d6f63
1 changed files with 119 additions and 0 deletions
|
@ -177,8 +177,127 @@ EOF
|
|||
rm -f ${config}
|
||||
}
|
||||
|
||||
test_reconfig()
|
||||
{
|
||||
echo "test daemon reconfig"
|
||||
|
||||
local config=$(mktemp /tmp/perf.daemon.config.XXX)
|
||||
local base=$(mktemp -d /tmp/perf.daemon.base.XXX)
|
||||
|
||||
# prepare config
|
||||
cat <<EOF > ${config}
|
||||
[daemon]
|
||||
base=BASE
|
||||
|
||||
[session-size]
|
||||
run = -e cpu-clock
|
||||
|
||||
[session-time]
|
||||
run = -e task-clock
|
||||
EOF
|
||||
|
||||
sed -i -e "s|BASE|${base}|" ${config}
|
||||
|
||||
# start daemon
|
||||
daemon_start ${config} size
|
||||
|
||||
# check 2nd session
|
||||
# pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0
|
||||
local line=`perf daemon --config ${config} -x: | head -3 | tail -1`
|
||||
check_line_other "${line}" time "-e task-clock" ${base}/session-time \
|
||||
${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0"
|
||||
local pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'`
|
||||
|
||||
# prepare new config
|
||||
local config_new=${config}.new
|
||||
cat <<EOF > ${config_new}
|
||||
[daemon]
|
||||
base=BASE
|
||||
|
||||
[session-size]
|
||||
run = -e cpu-clock
|
||||
|
||||
[session-time]
|
||||
run = -e cpu-clock
|
||||
EOF
|
||||
|
||||
# TEST 1 - change config
|
||||
|
||||
sed -i -e "s|BASE|${base}|" ${config_new}
|
||||
cp ${config_new} ${config}
|
||||
|
||||
# wait for old session to finish
|
||||
tail --pid=${pid} -f /dev/null
|
||||
|
||||
# wait for new one to start
|
||||
local state="FAIL"
|
||||
while [ "${state}" != "OK" ]; do
|
||||
state=`perf daemon ping --config ${config} --session time | awk '{ print $1 }'`
|
||||
done
|
||||
|
||||
# check reconfigured 2nd session
|
||||
# pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0
|
||||
local line=`perf daemon --config ${config} -x: | head -3 | tail -1`
|
||||
check_line_other "${line}" time "-e cpu-clock" ${base}/session-time \
|
||||
${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0"
|
||||
|
||||
# TEST 2 - empty config
|
||||
|
||||
local config_empty=${config}.empty
|
||||
cat <<EOF > ${config_empty}
|
||||
[daemon]
|
||||
base=BASE
|
||||
EOF
|
||||
|
||||
# change config
|
||||
sed -i -e "s|BASE|${base}|" ${config_empty}
|
||||
cp ${config_empty} ${config}
|
||||
|
||||
# wait for sessions to finish
|
||||
local state="OK"
|
||||
while [ "${state}" != "FAIL" ]; do
|
||||
state=`perf daemon ping --config ${config} --session time | awk '{ print $1 }'`
|
||||
done
|
||||
|
||||
local state="OK"
|
||||
while [ "${state}" != "FAIL" ]; do
|
||||
state=`perf daemon ping --config ${config} --session size | awk '{ print $1 }'`
|
||||
done
|
||||
|
||||
local one=`perf daemon --config ${config} -x: | wc -l`
|
||||
|
||||
if [ ${one} -ne "1" ]; then
|
||||
echo "FAILED: wrong list output"
|
||||
error=1
|
||||
fi
|
||||
|
||||
# TEST 3 - config again
|
||||
|
||||
cp ${config_new} ${config}
|
||||
|
||||
# wait for size to start
|
||||
local state="FAIL"
|
||||
while [ "${state}" != "OK" ]; do
|
||||
state=`perf daemon ping --config ${config} --session size | awk '{ print $1 }'`
|
||||
done
|
||||
|
||||
# wait for time to start
|
||||
local state="FAIL"
|
||||
while [ "${state}" != "OK" ]; do
|
||||
state=`perf daemon ping --config ${config} --session time | awk '{ print $1 }'`
|
||||
done
|
||||
|
||||
# stop daemon
|
||||
daemon_exit ${base} ${config}
|
||||
|
||||
rm -rf ${base}
|
||||
rm -f ${config}
|
||||
rm -f ${config_new}
|
||||
rm -f ${config_empty}
|
||||
}
|
||||
error=0
|
||||
|
||||
test_list
|
||||
test_reconfig
|
||||
|
||||
exit ${error}
|
||||
|
|
Loading…
Reference in a new issue