[PATCH V4 3/5] perf test: Move all the check functions of stat csv output to lib

kan.liang
2023-06-16T03:16:02Z

From: Kan Liang <kan.liang@linux.intel.com>

These functions can be shared with the stat std output test.

There is no functional change.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
---
tools/perf/tests/shell/lib/stat_output.sh | 169 +++++++++++++++++++
tools/perf/tests/shell/stat+csv_output.sh | 188 ++--------------------
2 files changed, 184 insertions(+), 173 deletions(-)
create mode 100755 tools/perf/tests/shell/lib/stat_output.sh

diff --git a/tools/perf/tests/shell/lib/stat_output.sh b/tools/perf/tests/shell/lib/stat_output.sh
new file mode 100755
index 000000000000..363979b1123d
--- /dev/null
+++ b/tools/perf/tests/shell/lib/stat_output.sh
@@ -0,0 +1,169 @@
+# SPDX-License-Identifier: GPL-2.0
+
+# Return true if perf_event_paranoid is > $1 and not running as root.
+function ParanoidAndNotRoot()
+{
+ [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
+}
+
+# $1 name $2 extra_opt
+check_no_args()
+{
+ echo -n "Checking $1 output: no args"
+ perf stat $2 true
+ commachecker --no-args
+ echo "[Success]"
+}
+
+check_system_wide()
+{
+ echo -n "Checking $1 output: system wide "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat -a $2 true
+ commachecker --system-wide
+ echo "[Success]"
+}
+
+check_system_wide_no_aggr()
+{
+ echo -n "Checking $1 output: system wide no aggregation "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat -A -a --no-merge $2 true
+ commachecker --system-wide-no-aggr
+ echo "[Success]"
+}
+
+check_interval()
+{
+ echo -n "Checking $1 output: interval "
+ perf stat -I 1000 $2 true
+ commachecker --interval
+ echo "[Success]"
+}
+
+check_event()
+{
+ echo -n "Checking $1 output: event "
+ perf stat -e cpu-clock $2 true
+ commachecker --event
+ echo "[Success]"
+}
+
+check_per_core()
+{
+ echo -n "Checking $1 output: per core "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-core -a $2 true
+ commachecker --per-core
+ echo "[Success]"
+}
+
+check_per_thread()
+{
+ echo -n "Checking $1 output: per thread "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-thread -a $2 true
+ commachecker --per-thread
+ echo "[Success]"
+}
+
+check_per_cache_instance()
+{
+ echo -n "Checking $1 output: per cache instance "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-cache -a $2 true
+ commachecker --per-cache
+ echo "[Success]"
+}
+
+check_per_die()
+{
+ echo -n "Checking $1 output: per die "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-die -a $2 true
+ commachecker --per-die
+ echo "[Success]"
+}
+
+check_per_node()
+{
+ echo -n "Checking $1 output: per node "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-node -a $2 true
+ commachecker --per-node
+ echo "[Success]"
+}
+
+check_per_socket()
+{
+ echo -n "Checking $1 output: per socket "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoid and not root"
+ return
+ fi
+ perf stat --per-socket -a $2 true
+ commachecker --per-socket
+ echo "[Success]"
+}
+
+# The perf stat options for per-socket, per-core, per-die
+# and -A ( no_aggr mode ) uses the info fetched from this
+# directory: "/sys/devices/system/cpu/cpu*/topology". For
+# example, socket value is fetched from "physical_package_id"
+# file in topology directory.
+# Reference: cpu__get_topology_int in util/cpumap.c
+# If the platform doesn't expose topology information, values
+# will be set to -1. For example, incase of pSeries platform
+# of powerpc, value for "physical_package_id" is restricted
+# and set to -1. Check here validates the socket-id read from
+# topology file before proceeding further
+
+FILE_LOC="/sys/devices/system/cpu/cpu*/topology/"
+FILE_NAME="physical_package_id"
+
+function check_for_topology()
+{
+ if ! ParanoidAndNotRoot 0
+ then
+ socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1`
+ [ -z $socket_file ] && {
+ echo 0
+ return
+ }
+ socket_id=`cat $socket_file`
+ [ $socket_id == -1 ] && {
+ echo 1
+ return
+ }
+ fi
+ echo 0
+}
diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh
index ed082daf839c..34a0701fee05 100755
--- a/tools/perf/tests/shell/stat+csv_output.sh
+++ b/tools/perf/tests/shell/stat+csv_output.sh
@@ -6,7 +6,8 @@

set -e

-skip_test=0
+. $(dirname $0)/lib/stat_output.sh
+
csv_sep=@

stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX)
@@ -63,181 +64,22 @@ function commachecker()
return 0
}

-# Return true if perf_event_paranoid is > $1 and not running as root.
-function ParanoidAndNotRoot()
-{
- [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
-}
-
-check_no_args()
-{
- echo -n "Checking CSV output: no args "
- perf stat -x$csv_sep -o "${stat_output}" true
- commachecker --no-args
- echo "[Success]"
-}
-
-check_system_wide()
-{
- echo -n "Checking CSV output: system wide "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep -a -o "${stat_output}" true
- commachecker --system-wide
- echo "[Success]"
-}
-
-check_system_wide_no_aggr()
-{
- echo -n "Checking CSV output: system wide no aggregation "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep -A -a --no-merge -o "${stat_output}" true
- commachecker --system-wide-no-aggr
- echo "[Success]"
-}
-
-check_interval()
-{
- echo -n "Checking CSV output: interval "
- perf stat -x$csv_sep -I 1000 -o "${stat_output}" true
- commachecker --interval
- echo "[Success]"
-}
-
-
-check_event()
-{
- echo -n "Checking CSV output: event "
- perf stat -x$csv_sep -e cpu-clock -o "${stat_output}" true
- commachecker --event
- echo "[Success]"
-}
-
-check_per_core()
-{
- echo -n "Checking CSV output: per core "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-core -a -o "${stat_output}" true
- commachecker --per-core
- echo "[Success]"
-}
-
-check_per_thread()
-{
- echo -n "Checking CSV output: per thread "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-thread -a -o "${stat_output}" true
- commachecker --per-thread
- echo "[Success]"
-}
-
-check_per_cache_instance()
-{
- echo -n "Checking CSV output: per cache instance "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-cache -a true 2>&1 | commachecker --per-cache
- echo "[Success]"
-}
-
-check_per_die()
-{
- echo -n "Checking CSV output: per die "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-die -a -o "${stat_output}" true
- commachecker --per-die
- echo "[Success]"
-}
-
-check_per_node()
-{
- echo -n "Checking CSV output: per node "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-node -a -o "${stat_output}" true
- commachecker --per-node
- echo "[Success]"
-}
-
-check_per_socket()
-{
- echo -n "Checking CSV output: per socket "
- if ParanoidAndNotRoot 0
- then
- echo "[Skip] paranoid and not root"
- return
- fi
- perf stat -x$csv_sep --per-socket -a -o "${stat_output}" true
- commachecker --per-socket
- echo "[Success]"
-}
-
-# The perf stat options for per-socket, per-core, per-die
-# and -A ( no_aggr mode ) uses the info fetched from this
-# directory: "/sys/devices/system/cpu/cpu*/topology". For
-# example, socket value is fetched from "physical_package_id"
-# file in topology directory.
-# Reference: cpu__get_topology_int in util/cpumap.c
-# If the platform doesn't expose topology information, values
-# will be set to -1. For example, incase of pSeries platform
-# of powerpc, value for "physical_package_id" is restricted
-# and set to -1. Check here validates the socket-id read from
-# topology file before proceeding further
-
-FILE_LOC="/sys/devices/system/cpu/cpu*/topology/"
-FILE_NAME="physical_package_id"
-
-check_for_topology()
-{
- if ! ParanoidAndNotRoot 0
- then
- socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1`
- [ -z $socket_file ] && return 0
- socket_id=`cat $socket_file`
- [ $socket_id == -1 ] && skip_test=1
- return 0
- fi
-}
+perf_cmd="-x$csv_sep -o ${stat_output}"

-check_for_topology
-check_no_args
-check_system_wide
-check_interval
-check_event
-check_per_thread
-check_per_node
+skip_test=$(check_for_topology)
+check_no_args "CSV" "$perf_cmd"
+check_system_wide "CSV" "$perf_cmd"
+check_interval "CSV" "$perf_cmd"
+check_event "CSV" "$perf_cmd"
+check_per_thread "CSV" "$perf_cmd"
+check_per_node "CSV" "$perf_cmd"
if [ $skip_test -ne 1 ]
then
- check_system_wide_no_aggr
- check_per_core
- check_per_cache_instance
- check_per_die
- check_per_socket
+ check_system_wide_no_aggr "CSV" "$perf_cmd"
+ check_per_core "CSV" "$perf_cmd"
+ check_per_cache_instance "CSV" "$perf_cmd"
+ check_per_die "CSV" "$perf_cmd"
+ check_per_socket "CSV" "$perf_cmd"
else
echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid"
fi
--
2.35.1