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-rwxr-xr-xtools/perf/tests/shell/stat+json_output.sh182
1 files changed, 182 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/stat+json_output.sh b/tools/perf/tests/shell/stat+json_output.sh
new file mode 100755
index 000000000..2c4212c64
--- /dev/null
+++ b/tools/perf/tests/shell/stat+json_output.sh
@@ -0,0 +1,182 @@
+#!/bin/bash
+# perf stat JSON output linter
+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+# Checks various perf stat JSON output commands for the
+# correct number of fields.
+
+set -e
+
+skip_test=0
+
+pythonchecker=$(dirname $0)/lib/perf_json_output_lint.py
+if [ "x$PYTHON" == "x" ]
+then
+ if which python3 > /dev/null
+ then
+ PYTHON=python3
+ elif which python > /dev/null
+ then
+ PYTHON=python
+ else
+ echo Skipping test, python not detected please set environment variable PYTHON.
+ exit 2
+ fi
+fi
+
+# 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 json output: no args "
+ perf stat -j true 2>&1 | $PYTHON $pythonchecker --no-args
+ echo "[Success]"
+}
+
+check_system_wide()
+{
+ echo -n "Checking json output: system wide "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j -a true 2>&1 | $PYTHON $pythonchecker --system-wide
+ echo "[Success]"
+}
+
+check_system_wide_no_aggr()
+{
+ echo -n "Checking json output: system wide "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ echo -n "Checking json output: system wide no aggregation "
+ perf stat -j -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr
+ echo "[Success]"
+}
+
+check_interval()
+{
+ echo -n "Checking json output: interval "
+ perf stat -j -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval
+ echo "[Success]"
+}
+
+
+check_event()
+{
+ echo -n "Checking json output: event "
+ perf stat -j -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event
+ echo "[Success]"
+}
+
+check_per_core()
+{
+ echo -n "Checking json output: per core "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core
+ echo "[Success]"
+}
+
+check_per_thread()
+{
+ echo -n "Checking json output: per thread "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread
+ echo "[Success]"
+}
+
+check_per_die()
+{
+ echo -n "Checking json output: per die "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die
+ echo "[Success]"
+}
+
+check_per_node()
+{
+ echo -n "Checking json output: per node "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node
+ echo "[Success]"
+}
+
+check_per_socket()
+{
+ echo -n "Checking json output: per socket "
+ if ParanoidAndNotRoot 0
+ then
+ echo "[Skip] paranoia and not root"
+ return
+ fi
+ perf stat -j --per-socket -a true 2>&1 | $PYTHON $pythonchecker --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
+if [ $skip_test -ne 1 ]
+then
+ check_system_wide_no_aggr
+ check_per_core
+ check_per_die
+ check_per_socket
+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
+exit 0