diff options
Diffstat (limited to 'tools/testing/selftests/verification')
5 files changed, 90 insertions, 12 deletions
diff --git a/tools/testing/selftests/verification/test.d/rv_deadline.tc b/tools/testing/selftests/verification/test.d/rv_deadline.tc new file mode 100644 index 000000000000..fc95267dbb82 --- /dev/null +++ b/tools/testing/selftests/verification/test.d/rv_deadline.tc @@ -0,0 +1,23 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# description: Test deadline monitors trigger no reaction +# requires: available_reactors deadline:monitor printk:reactor stress-ng:program + +load() { # returns true if there was a reaction + local lines_before + lines_before=$(dmesg | wc -l) + stress-ng --cpu 2 --sched deadline --sched-period 100000000 \ + --sched-deadline 100000000 --sched-runtime 20000000 -t 5 & + stress-ng --cpu 2 --sched rr --sched-prio 50 --cyclic 1 \ + --cyclic-policy rr --cyclic-prio 50 -t 5 & + wait + dmesg | tail -n +$((lines_before + 1)) | grep -q "rv: monitor [a-z]\+ does not allow event" +} + +echo 1 > monitors/deadline/enable +echo printk > monitors/deadline/reactors + +! load || false + +echo nop > monitors/deadline/reactors +echo 0 > monitors/deadline/enable diff --git a/tools/testing/selftests/verification/test.d/rv_monitor_enable_disable.tc b/tools/testing/selftests/verification/test.d/rv_monitor_enable_disable.tc index f29236defb5a..61e2c8b54d9a 100644 --- a/tools/testing/selftests/verification/test.d/rv_monitor_enable_disable.tc +++ b/tools/testing/selftests/verification/test.d/rv_monitor_enable_disable.tc @@ -10,7 +10,7 @@ test_simple_monitor() { grep -q "$monitor$" enabled_monitors echo 0 > "monitors/$prefix$monitor/enable" - ! grep -q "$monitor$" enabled_monitors + ! grep -q "$monitor$" enabled_monitors || false echo "$monitor" >> enabled_monitors grep -q 1 "monitors/$prefix$monitor/enable" @@ -34,12 +34,12 @@ test_container_monitor() { test -n "$nested" echo 0 > "monitors/$monitor/enable" - ! grep -q "^$monitor$" enabled_monitors + ! grep -q "^$monitor$" enabled_monitors || false for nested_dir in "monitors/$monitor"/*; do [ -d "$nested_dir" ] || continue nested=$(basename "$nested_dir") - ! grep -q "^$monitor:$nested$" enabled_monitors + ! grep -q "^$monitor:$nested$" enabled_monitors || false done echo "$monitor" >> enabled_monitors @@ -71,5 +71,5 @@ for monitor_dir in monitors/*; do fi done -! echo non_existent_monitor > enabled_monitors -! grep -q "^non_existent_monitor$" enabled_monitors +! echo non_existent_monitor > enabled_monitors || false +! grep -q "^non_existent_monitor$" enabled_monitors || false diff --git a/tools/testing/selftests/verification/test.d/rv_monitor_reactor.tc b/tools/testing/selftests/verification/test.d/rv_monitor_reactor.tc index 2958bf849338..516a20971390 100644 --- a/tools/testing/selftests/verification/test.d/rv_monitor_reactor.tc +++ b/tools/testing/selftests/verification/test.d/rv_monitor_reactor.tc @@ -64,5 +64,5 @@ done monitor=$(ls /sys/kernel/tracing/rv/monitors -1 | head -n 1) test -f "monitors/$monitor/reactors" -! echo non_existent_reactor > "monitors/$monitor/reactors" -! grep -q "\\[non_existent_reactor\\]" "monitors/$monitor/reactors" +! echo non_existent_reactor > "monitors/$monitor/reactors" || false +! grep -q "\\[non_existent_reactor\\]" "monitors/$monitor/reactors" || false diff --git a/tools/testing/selftests/verification/test.d/rv_stall.tc b/tools/testing/selftests/verification/test.d/rv_stall.tc new file mode 100644 index 000000000000..515a10263ca1 --- /dev/null +++ b/tools/testing/selftests/verification/test.d/rv_stall.tc @@ -0,0 +1,33 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# description: Test stall monitor +# requires: available_reactors stall:monitor printk:reactor stress-ng:program + +THRESHOLD=/sys/module/stall/parameters/threshold_jiffies +ORIG_THRESHOLD=$(cat $THRESHOLD) +trap 'echo $ORIG_THRESHOLD > $THRESHOLD' EXIT + +load() { # returns true if there was a reaction + local lines_before cpu + cpu=$(($(nproc) - 1)) + lines_before=$(dmesg | wc -l) + stress-ng --cpu 1 --taskset "$cpu" --sched rr --sched-prio 1 -t 3 & + stress-ng --cpu 5 --taskset "$cpu" -t 3 & + wait + dmesg | tail -n +$((lines_before + 1)) | grep -q "rv: monitor stall does not allow event" +} + +echo 5000 > $THRESHOLD +echo 1 > monitors/stall/enable +echo printk > monitors/stall/reactors + +! load || false + +echo 0 > monitors/stall/enable +echo 70 > $THRESHOLD +echo 1 > monitors/stall/enable + +load + +echo nop > monitors/stall/reactors +echo 0 > monitors/stall/enable diff --git a/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc b/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc index 5a59432b1d93..17e1edfb3902 100644 --- a/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc +++ b/tools/testing/selftests/verification/test.d/rv_wwnr_printk.tc @@ -4,11 +4,29 @@ # requires: available_reactors wwnr:monitor printk:reactor stress-ng:program load() { # returns true if there was a reaction - local lines_before num + local lines_before num load_pid ret num=$((($(nproc) + 1) / 2)) lines_before=$(dmesg | wc -l) - stress-ng --cpu-sched "$num" --timer "$num" -t 5 -q - dmesg | tail -n $((lines_before + 1)) | grep -q "rv: monitor wwnr does not allow event" + stress-ng --cpu-sched "$num" --timer "$num" -t 5 -q & + load_pid=$! + timeout 5 dmesg -w | tail -n +$((lines_before + 1)) | \ + grep -m 1 -q "rv: monitor wwnr does not allow event" + ret=$? + kill "$load_pid" || true + wait "$load_pid" || true + return $ret +} + +# loads may flood the ringbuffer, wait for all pending printks (timeout at 2 minutes) +wait_dmesg_flush() { + local last_before last_after + for _ in $(seq 400); do + last_before=$last_after + last_after=$(dmesg | grep "rv:" | tail -n 1 || true) + [ "$last_before" = "$last_after" ] && return 0 + sleep .3 + done + return 1 } echo 1 > monitors/wwnr/enable @@ -17,13 +35,17 @@ echo printk > monitors/wwnr/reactors load echo 0 > monitoring_on -! load +wait_dmesg_flush + +! load || false echo 1 > monitoring_on load echo 0 > reacting_on -! load +wait_dmesg_flush + +! load || false echo 1 > reacting_on echo nop > monitors/wwnr/reactors |