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 <irogers@google.com> Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ahmad Yasin <ahmad.yasin@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: https://lore.kernel.org/r/20230616031420.3751973-4-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kan Liang
Arnaldo Carvalho de Melo
Родитель
6a80d794d7
Коммит
fc51fc87b1
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@ -0,0 +1,169 @@
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# SPDX-License-Identifier: GPL-2.0
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# Return true if perf_event_paranoid is > $1 and not running as root.
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function ParanoidAndNotRoot()
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{
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[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
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}
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# $1 name $2 extra_opt
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check_no_args()
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{
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echo -n "Checking $1 output: no args"
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perf stat $2 true
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commachecker --no-args
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echo "[Success]"
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}
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check_system_wide()
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{
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echo -n "Checking $1 output: system wide "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -a $2 true
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commachecker --system-wide
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echo "[Success]"
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}
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check_system_wide_no_aggr()
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{
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echo -n "Checking $1 output: system wide no aggregation "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -A -a --no-merge $2 true
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commachecker --system-wide-no-aggr
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echo "[Success]"
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}
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check_interval()
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{
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echo -n "Checking $1 output: interval "
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perf stat -I 1000 $2 true
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commachecker --interval
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echo "[Success]"
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}
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check_event()
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{
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echo -n "Checking $1 output: event "
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perf stat -e cpu-clock $2 true
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commachecker --event
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echo "[Success]"
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}
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check_per_core()
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{
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echo -n "Checking $1 output: per core "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-core -a $2 true
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commachecker --per-core
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echo "[Success]"
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}
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check_per_thread()
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{
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echo -n "Checking $1 output: per thread "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-thread -a $2 true
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commachecker --per-thread
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echo "[Success]"
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}
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check_per_cache_instance()
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{
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echo -n "Checking $1 output: per cache instance "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-cache -a $2 true
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commachecker --per-cache
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echo "[Success]"
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}
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check_per_die()
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{
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echo -n "Checking $1 output: per die "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-die -a $2 true
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commachecker --per-die
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echo "[Success]"
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}
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check_per_node()
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{
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echo -n "Checking $1 output: per node "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-node -a $2 true
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commachecker --per-node
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echo "[Success]"
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}
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check_per_socket()
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{
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echo -n "Checking $1 output: per socket "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat --per-socket -a $2 true
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commachecker --per-socket
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echo "[Success]"
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}
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# The perf stat options for per-socket, per-core, per-die
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# and -A ( no_aggr mode ) uses the info fetched from this
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# directory: "/sys/devices/system/cpu/cpu*/topology". For
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# example, socket value is fetched from "physical_package_id"
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# file in topology directory.
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# Reference: cpu__get_topology_int in util/cpumap.c
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# If the platform doesn't expose topology information, values
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# will be set to -1. For example, incase of pSeries platform
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# of powerpc, value for "physical_package_id" is restricted
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# and set to -1. Check here validates the socket-id read from
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# topology file before proceeding further
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FILE_LOC="/sys/devices/system/cpu/cpu*/topology/"
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FILE_NAME="physical_package_id"
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function check_for_topology()
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{
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if ! ParanoidAndNotRoot 0
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then
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socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1`
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[ -z $socket_file ] && {
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echo 0
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return
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}
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socket_id=`cat $socket_file`
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[ $socket_id == -1 ] && {
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echo 1
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return
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}
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fi
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echo 0
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}
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@ -6,7 +6,8 @@
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set -e
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skip_test=0
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. $(dirname $0)/lib/stat_output.sh
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csv_sep=@
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stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX)
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@ -63,181 +64,22 @@ function commachecker()
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return 0
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}
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# Return true if perf_event_paranoid is > $1 and not running as root.
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function ParanoidAndNotRoot()
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{
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[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
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}
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perf_cmd="-x$csv_sep -o ${stat_output}"
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check_no_args()
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{
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echo -n "Checking CSV output: no args "
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perf stat -x$csv_sep -o "${stat_output}" true
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commachecker --no-args
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echo "[Success]"
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}
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check_system_wide()
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{
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echo -n "Checking CSV output: system wide "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep -a -o "${stat_output}" true
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commachecker --system-wide
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echo "[Success]"
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}
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check_system_wide_no_aggr()
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{
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echo -n "Checking CSV output: system wide no aggregation "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep -A -a --no-merge -o "${stat_output}" true
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commachecker --system-wide-no-aggr
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echo "[Success]"
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}
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check_interval()
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{
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echo -n "Checking CSV output: interval "
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perf stat -x$csv_sep -I 1000 -o "${stat_output}" true
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commachecker --interval
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echo "[Success]"
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}
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check_event()
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{
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echo -n "Checking CSV output: event "
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perf stat -x$csv_sep -e cpu-clock -o "${stat_output}" true
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commachecker --event
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echo "[Success]"
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}
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check_per_core()
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{
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echo -n "Checking CSV output: per core "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-core -a -o "${stat_output}" true
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commachecker --per-core
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echo "[Success]"
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}
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check_per_thread()
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{
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echo -n "Checking CSV output: per thread "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-thread -a -o "${stat_output}" true
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commachecker --per-thread
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echo "[Success]"
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}
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check_per_cache_instance()
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{
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echo -n "Checking CSV output: per cache instance "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-cache -a true 2>&1 | commachecker --per-cache
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echo "[Success]"
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}
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check_per_die()
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{
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echo -n "Checking CSV output: per die "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-die -a -o "${stat_output}" true
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commachecker --per-die
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echo "[Success]"
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}
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check_per_node()
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{
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echo -n "Checking CSV output: per node "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-node -a -o "${stat_output}" true
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commachecker --per-node
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echo "[Success]"
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}
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check_per_socket()
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{
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echo -n "Checking CSV output: per socket "
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if ParanoidAndNotRoot 0
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then
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echo "[Skip] paranoid and not root"
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return
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fi
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perf stat -x$csv_sep --per-socket -a -o "${stat_output}" true
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commachecker --per-socket
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echo "[Success]"
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}
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# The perf stat options for per-socket, per-core, per-die
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# and -A ( no_aggr mode ) uses the info fetched from this
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# directory: "/sys/devices/system/cpu/cpu*/topology". For
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# example, socket value is fetched from "physical_package_id"
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# file in topology directory.
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# Reference: cpu__get_topology_int in util/cpumap.c
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# If the platform doesn't expose topology information, values
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# will be set to -1. For example, incase of pSeries platform
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# of powerpc, value for "physical_package_id" is restricted
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# and set to -1. Check here validates the socket-id read from
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# topology file before proceeding further
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FILE_LOC="/sys/devices/system/cpu/cpu*/topology/"
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FILE_NAME="physical_package_id"
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check_for_topology()
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{
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if ! ParanoidAndNotRoot 0
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then
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socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1`
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[ -z $socket_file ] && return 0
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socket_id=`cat $socket_file`
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[ $socket_id == -1 ] && skip_test=1
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return 0
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fi
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}
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check_for_topology
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check_no_args
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check_system_wide
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check_interval
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check_event
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check_per_thread
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check_per_node
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skip_test=$(check_for_topology)
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check_no_args "CSV" "$perf_cmd"
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check_system_wide "CSV" "$perf_cmd"
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check_interval "CSV" "$perf_cmd"
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check_event "CSV" "$perf_cmd"
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check_per_thread "CSV" "$perf_cmd"
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check_per_node "CSV" "$perf_cmd"
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if [ $skip_test -ne 1 ]
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then
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check_system_wide_no_aggr
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check_per_core
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check_per_cache_instance
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check_per_die
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check_per_socket
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check_system_wide_no_aggr "CSV" "$perf_cmd"
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check_per_core "CSV" "$perf_cmd"
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check_per_cache_instance "CSV" "$perf_cmd"
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check_per_die "CSV" "$perf_cmd"
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check_per_socket "CSV" "$perf_cmd"
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else
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echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid"
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fi
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