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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:35:05 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:31 +0000 |
commit | 85c675d0d09a45a135bddd15d7b385f8758c32fb (patch) | |
tree | 76267dbc9b9a130337be3640948fe397b04ac629 /tools/perf/tests/shell | |
parent | Adding upstream version 6.6.15. (diff) | |
download | linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip |
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/tests/shell')
22 files changed, 262 insertions, 14 deletions
diff --git a/tools/perf/tests/shell/coresight/asm_pure_loop.sh b/tools/perf/tests/shell/coresight/asm_pure_loop.sh index 779bc8608e..2d65defb7e 100755 --- a/tools/perf/tests/shell/coresight/asm_pure_loop.sh +++ b/tools/perf/tests/shell/coresight/asm_pure_loop.sh @@ -5,9 +5,13 @@ # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="asm_pure_loop" + +# shellcheck source=../lib/coresight.sh . "$(dirname $0)"/../lib/coresight.sh + ARGS="" DATV="out" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh index 08a44e52ce..ddcc9bb850 100755 --- a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh +++ b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh @@ -5,9 +5,13 @@ # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="memcpy_thread" + +# shellcheck source=../lib/coresight.sh . "$(dirname $0)"/../lib/coresight.sh + ARGS="16 10 1" DATV="16k_10" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh index c83a200ded..2ce5e139b2 100755 --- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh +++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh @@ -5,9 +5,13 @@ # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="thread_loop" + +# shellcheck source=../lib/coresight.sh . "$(dirname $0)"/../lib/coresight.sh + ARGS="10 1" DATV="check-tid-10th" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" STDO="$DATD/perf-$TEST-$DATV.stdout" diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh index 6346fd5e87..3ad9498753 100755 --- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh +++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh @@ -5,9 +5,13 @@ # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="thread_loop" + +# shellcheck source=../lib/coresight.sh . "$(dirname $0)"/../lib/coresight.sh + ARGS="2 20" DATV="check-tid-2th" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" STDO="$DATD/perf-$TEST-$DATV.stdout" diff --git a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh index 7304e3d3a6..4fbb4a29aa 100755 --- a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh +++ b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh @@ -5,9 +5,13 @@ # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="unroll_loop_thread" + +# shellcheck source=../lib/coresight.sh . "$(dirname $0)"/../lib/coresight.sh + ARGS="10" DATV="10" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/lib/coresight.sh b/tools/perf/tests/shell/lib/coresight.sh index 6c3d34ec64..11ed2c25ed 100644 --- a/tools/perf/tests/shell/lib/coresight.sh +++ b/tools/perf/tests/shell/lib/coresight.sh @@ -17,6 +17,8 @@ DIR="$TOOLS/$TEST" BIN="$DIR/$TEST" # If the test tool/binary does not exist and is executable then skip the test if ! test -x "$BIN"; then exit 2; fi +# If CoreSight is not available, skip the test +perf list cs_etm | grep -q cs_etm || exit 2 DATD="." # If the data dir env is set then make the data dir use that instead of ./ if test -n "$PERF_TEST_CORESIGHT_DATADIR"; then diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index d120e83db7..c1ec576221 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -32,6 +32,13 @@ check() { err=2 exit fi + + # shellcheck disable=SC2046 + if [ `nproc` -lt 4 ]; then + echo "[Skip] Low number of CPUs (`nproc`), lock event cannot be triggered certainly" + err=2 + exit + fi } test_record() @@ -123,6 +130,24 @@ test_aggr_addr() fi } +test_aggr_cgroup() +{ + echo "Testing perf lock contention --lock-cgroup" + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -g -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" + err=1 + exit + fi +} + test_type_filter() { echo "Testing perf lock contention --type-filter (w/ spinlock)" @@ -232,6 +257,31 @@ test_aggr_task_stack_filter() exit fi } +test_cgroup_filter() +{ + echo "Testing perf lock contention --cgroup-filter" + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + perf lock con -a -b -g -E 1 -F wait_total -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a cgroup result:" "$(cat "${result}")" + err=1 + exit + fi + + cgroup=$(cat "${result}" | awk '{ print $3 }') + perf lock con -a -b -g -E 1 -G "${cgroup}" -q -- perf bench sched messaging > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a result with cgroup filter:" "$(cat "${cgroup}")" + err=1 + exit + fi +} + test_csv_output() { @@ -275,10 +325,12 @@ test_bpf test_record_concurrent test_aggr_task test_aggr_addr +test_aggr_cgroup test_type_filter test_lock_filter test_stack_filter test_aggr_task_stack_filter +test_cgroup_filter test_csv_output exit ${err} diff --git a/tools/perf/tests/shell/probe_vfs_getname.sh b/tools/perf/tests/shell/probe_vfs_getname.sh index 871243d6d0..554e12e83c 100755 --- a/tools/perf/tests/shell/probe_vfs_getname.sh +++ b/tools/perf/tests/shell/probe_vfs_getname.sh @@ -4,10 +4,12 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 +# shellcheck source=lib/probe.sh . "$(dirname $0)"/lib/probe.sh skip_if_no_perf_probe || exit 2 +# shellcheck source=lib/probe_vfs_getname.sh . "$(dirname $0)"/lib/probe_vfs_getname.sh add_probe_vfs_getname || skip_if_no_debuginfo diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index 89214a6d99..eebeea6bdc 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -10,7 +10,9 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 +# shellcheck source=lib/probe.sh . "$(dirname "$0")/lib/probe.sh" +# shellcheck source=lib/probe_vfs_getname.sh . "$(dirname "$0")/lib/probe_vfs_getname.sh" libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](\/.*)/\1/g') diff --git a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh index 7f664f1889..5eedbe29bb 100755 --- a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh +++ b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh @@ -9,10 +9,12 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 +# shellcheck source=lib/probe.sh . "$(dirname "$0")/lib/probe.sh" skip_if_no_perf_probe || exit 2 +# shellcheck source=lib/probe_vfs_getname.sh . "$(dirname "$0")/lib/probe_vfs_getname.sh" record_open_file() { diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh index 4fbc74805d..29443b8e88 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -5,6 +5,7 @@ set -e shelldir=$(dirname "$0") +# shellcheck source=lib/waiting.sh . "${shelldir}"/lib/waiting.sh err=0 diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh index a0d14cd0aa..a1ef8f0d2b 100755 --- a/tools/perf/tests/shell/record_offcpu.sh +++ b/tools/perf/tests/shell/record_offcpu.sh @@ -28,7 +28,7 @@ test_offcpu_priv() { err=2 return fi - if perf record --off-cpu -o /dev/null --quiet true 2>&1 | grep BUILD_BPF_SKEL + if perf version --build-options 2>&1 | grep HAVE_BPF_SKEL | grep -q OFF then echo "off-cpu test [Skipped missing BPF support]" err=2 diff --git a/tools/perf/tests/shell/record_sideband.sh b/tools/perf/tests/shell/record_sideband.sh new file mode 100755 index 0000000000..ac70ac27d5 --- /dev/null +++ b/tools/perf/tests/shell/record_sideband.sh @@ -0,0 +1,58 @@ +#!/bin/sh +# perf record sideband tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() +{ + rm -rf ${perfdata} + trap - EXIT TERM INT +} + +trap_cleanup() +{ + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +can_cpu_wide() +{ + if ! perf record -o ${perfdata} -BN --no-bpf-event -C $1 true > /dev/null 2>&1 + then + echo "record sideband test [Skipped cannot record cpu$1]" + err=2 + fi + + rm -f ${perfdata} + return $err +} + +test_system_wide_tracking() +{ + # Need CPU 0 and CPU 1 + can_cpu_wide 0 || return 0 + can_cpu_wide 1 || return 0 + + # Record on CPU 0 a task running on CPU 1 + perf record -BN --no-bpf-event -o ${perfdata} -C 0 -- taskset --cpu-list 1 true + + # Should get MMAP events from CPU 1 + mmap_cnt=`perf script -i ${perfdata} --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l` + + if [ ${mmap_cnt} -gt 0 ] ; then + return 0 + fi + + echo "Failed to record MMAP events on CPU 1 when tracing CPU 0" + return 1 +} + +test_system_wide_tracking + +cleanup +exit $err diff --git a/tools/perf/tests/shell/script.sh b/tools/perf/tests/shell/script.sh new file mode 100755 index 0000000000..2973adab44 --- /dev/null +++ b/tools/perf/tests/shell/script.sh @@ -0,0 +1,73 @@ +#!/bin/sh +# perf script tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX) + +perfdatafile="${temp_dir}/perf.data" +db_test="${temp_dir}/db_test.py" + +err=0 + +cleanup() +{ + trap - EXIT TERM INT + sane=$(echo "${temp_dir}" | cut -b 1-21) + if [ "${sane}" = "/tmp/perf-test-script" ] ; then + echo "--- Cleaning up ---" + rm -f "${temp_dir}/"* + rmdir "${temp_dir}" + fi +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + + +test_db() +{ + echo "DB test" + + # Check if python script is supported + libpython=$(perf version --build-options | grep python | grep -cv OFF) + if [ "${libpython}" != "1" ] ; then + echo "SKIP: python scripting is not supported" + err=2 + return + fi + + cat << "_end_of_file_" > "${db_test}" +perf_db_export_mode = True +perf_db_export_calls = False +perf_db_export_callchains = True + +def sample_table(*args): + print(f'sample_table({args})') + +def call_path_table(*args): + print(f'call_path_table({args}') +_end_of_file_ + case $(uname -m) + in s390x) + cmd_flags="--call-graph dwarf -e cpu-clock";; + *) + cmd_flags="-g";; + esac + + perf record $cmd_flags -o "${perfdatafile}" true + perf script -i "${perfdatafile}" -s "${db_test}" + echo "DB test [Success]" +} + +test_db + +cleanup + +exit $err diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh index d890eb26e9..f1818fa6d9 100755 --- a/tools/perf/tests/shell/stat+csv_output.sh +++ b/tools/perf/tests/shell/stat+csv_output.sh @@ -6,6 +6,7 @@ set -e +# shellcheck source=lib/stat_output.sh . "$(dirname $0)"/lib/stat_output.sh csv_sep=@ diff --git a/tools/perf/tests/shell/stat+csv_summary.sh b/tools/perf/tests/shell/stat+csv_summary.sh index 8bae9c8a83..323123ff4d 100755 --- a/tools/perf/tests/shell/stat+csv_summary.sh +++ b/tools/perf/tests/shell/stat+csv_summary.sh @@ -10,7 +10,7 @@ set -e # perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary 2>&1 | \ grep -e summary | \ -while read summary _num _event _run _pct +while read summary _ _ _ _ do if [ $summary != "summary" ]; then exit 1 @@ -23,7 +23,7 @@ done # perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary --no-csv-summary 2>&1 | \ grep -e summary | \ -while read _num _event _run _pct +while read _ _ _ _ do exit 1 done diff --git a/tools/perf/tests/shell/stat+shadow_stat.sh b/tools/perf/tests/shell/stat+shadow_stat.sh index a1918a15e3..0c7d79a230 100755 --- a/tools/perf/tests/shell/stat+shadow_stat.sh +++ b/tools/perf/tests/shell/stat+shadow_stat.sh @@ -4,6 +4,8 @@ set -e +THRESHOLD=0.015 + # skip if system-wide mode is forbidden perf stat -a true > /dev/null 2>&1 || exit 2 @@ -14,7 +16,7 @@ test_global_aggr() { perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \ grep -e cycles -e instructions | \ - while read num evt _hash ipc rest + while read num evt _ ipc rest do # skip not counted events if [ "$num" = "<not" ]; then @@ -33,10 +35,18 @@ test_global_aggr() fi # use printf for rounding and a leading zero - res=`printf "%.2f" "$(echo "scale=6; $num / $cyc" | bc -q)"` + res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'` if [ "$ipc" != "$res" ]; then - echo "IPC is different: $res != $ipc ($num / $cyc)" - exit 1 + # check the difference from the real result for FP imperfections + diff=`echo $ipc $res $THRESHOLD | \ + awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'` + + if [ $diff -eq 1 ]; then + echo "IPC is different: $res != $ipc ($num / $cyc)" + exit 1 + fi + + echo "Warning: Difference of IPC is under the threshold" fi done } @@ -45,7 +55,7 @@ test_no_aggr() { perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \ grep ^CPU | \ - while read cpu num evt _hash ipc rest + while read cpu num evt _ ipc rest do # skip not counted events if [ "$num" = "<not" ]; then @@ -67,10 +77,18 @@ test_no_aggr() fi # use printf for rounding and a leading zero - res=`printf "%.2f" "$(echo "scale=6; $num / $cyc" | bc -q)"` + res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'` if [ "$ipc" != "$res" ]; then - echo "IPC is different for $cpu: $res != $ipc ($num / $cyc)" - exit 1 + # check difference from the real result for FP imperfections + diff=`echo $ipc $res $THRESHOLD | \ + awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'` + + if [ $diff -eq 1 ]; then + echo "IPC is different: $res != $ipc ($num / $cyc)" + exit 1 + fi + + echo "Warning: Difference of IPC is under the threshold" fi done } diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh index fb2b10547a..4fcdd1a914 100755 --- a/tools/perf/tests/shell/stat+std_output.sh +++ b/tools/perf/tests/shell/stat+std_output.sh @@ -6,6 +6,7 @@ set -e +# shellcheck source=lib/stat_output.sh . "$(dirname $0)"/lib/stat_output.sh stat_output=$(mktemp /tmp/__perf_test.stat_output.std.XXXXX) diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh index cb35e48880..55ef9c9ded 100755 --- a/tools/perf/tests/shell/stat_all_metricgroups.sh +++ b/tools/perf/tests/shell/stat_all_metricgroups.sh @@ -4,9 +4,21 @@ set -e -for m in $(perf list --raw-dump metricgroups); do +ParanoidAndNotRoot() +{ + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +system_wide_flag="-a" +if ParanoidAndNotRoot 0 +then + system_wide_flag="" +fi + +for m in $(perf list --raw-dump metricgroups) +do echo "Testing $m" - perf stat -M "$m" -a true + perf stat -M "$m" $system_wide_flag sleep 0.01 done exit 0 diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh index f1bf562116..65dd852071 100755 --- a/tools/perf/tests/shell/test_arm_coresight.sh +++ b/tools/perf/tests/shell/test_arm_coresight.sh @@ -136,7 +136,9 @@ arm_cs_iterate_devices() { arm_cs_etm_traverse_path_test() { # Iterate for every ETM device - for dev in /sys/bus/coresight/devices/etm*; do + for dev in /sys/bus/event_source/devices/cs_etm/cpu*; do + # Canonicalize the path + dev=`readlink -f $dev` # Find the ETM device belonging to which CPU cpu=`cat $dev/cpu` diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh index 3a8b9bffa0..723ec501f9 100755 --- a/tools/perf/tests/shell/test_intel_pt.sh +++ b/tools/perf/tests/shell/test_intel_pt.sh @@ -8,6 +8,7 @@ set -e perf list | grep -q 'intel_pt//' || exit 2 shelldir=$(dirname "$0") +# shellcheck source=lib/waiting.sh . "${shelldir}"/lib/waiting.sh skip_cnt=0 diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/perf/tests/shell/trace+probe_vfs_getname.sh index 4014487cf4..3146a1eece 100755 --- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh +++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh @@ -10,6 +10,7 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 +# shellcheck source=lib/probe.sh . "$(dirname $0)"/lib/probe.sh skip_if_no_perf_probe || exit 2 |