perf test: Move all the check functions of stat CSV output to lib

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

There is no functional change.

Reviewed-by: Ian Rogers <[e-mail]>
Signed-off-by: Kan Liang <[e-mail]>
Cc: Adrian Hunter <[e-mail]>
Cc: Ahmad Yasin <[e-mail]>
Cc: Andi Kleen <[e-mail]>
Cc: Ingo Molnar <[e-mail]>
Cc: Jiri Olsa <[e-mail]>
Cc: Namhyung Kim <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Stephane Eranian <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Arnaldo Carvalho de Melo <[e-mail]>

tools/perf/tests/shell/lib/stat_output.sh

···
+# 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
+}

tools/perf/tests/shell/stat+csv_output.sh

···
 
 set -e
 
-skip_test=0
+. $(dirname $0)/lib/stat_output.sh
+
 csv_sep=@
 
 stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX)
···
 	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 $1 ]
-}
+perf_cmd="-x$csv_sep -o ${stat_output}"
 
-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`
-		[ $socket_id == -1 ] && skip_test=1
-		return 0
-	fi
-}
-
-check_for_topology
-check_no_args
-check_system_wide
-check_interval
-check_event
-check_per_thread
-check_per_node
+skip_test=$(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