From fc51fc87b1b84db83907c125bda6b05d52ec21ca Mon Sep 17 00:00:00 2001 From: Kan Liang Date: Thu, 15 Jun 2023 20:14:18 -0700 Subject: 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 Signed-off-by: Kan Liang Cc: Adrian Hunter Cc: Ahmad Yasin Cc: Andi Kleen Cc: Ingo Molnar Cc: Jiri Olsa Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Stephane Eranian Link: https://lore.kernel.org/r/20230616031420.3751973-4-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/shell/lib/stat_output.sh | 169 ++++++++++++++++++++++++++++++ 1 file changed, 169 insertions(+) create mode 100755 tools/perf/tests/shell/lib/stat_output.sh (limited to 'tools/perf/tests/shell/lib') 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 +} -- cgit v1.2.3