| #!/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 |
| |
| 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]" |
| } |
| |
| check_no_args |
| check_system_wide |
| check_system_wide_no_aggr |
| check_interval |
| check_event |
| check_per_core |
| check_per_thread |
| check_per_die |
| check_per_node |
| check_per_socket |
| exit 0 |