1 files changed, 169 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lib/stat_output.sh b/tools/perf/tests/shell/lib/stat_output.sh
new file mode 100644
index 000000000000..698343f0ecf9
--- /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
+}