diff options
Diffstat (limited to 'tools/testing/selftests/ftrace')
15 files changed, 450 insertions, 40 deletions
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest index 136387422b00..063ecb290a5a 100755 --- a/tools/testing/selftests/ftrace/ftracetest +++ b/tools/testing/selftests/ftrace/ftracetest @@ -1,11 +1,11 @@ #!/bin/sh +# SPDX-License-Identifier: GPL-2.0-only # ftracetest - Ftrace test shell scripts # # Copyright (C) Hitachi Ltd., 2014 # Written by Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> # -# Released under the terms of the GPL v2. usage() { # errno [message] [ ! -z "$2" ] && echo $2 @@ -23,9 +23,15 @@ echo " If <dir> is -, all logs output in console only" exit $1 } +# default error +err_ret=1 + +# kselftest skip code is 4 +err_skip=4 + errexit() { # message echo "Error: $1" 1>&2 - exit 1 + exit $err_ret } # Ensuring user privilege @@ -116,11 +122,31 @@ parse_opts() { # opts } # Parameters -DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1` -if [ -z "$DEBUGFS_DIR" ]; then - TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1` -else - TRACING_DIR=$DEBUGFS_DIR/tracing +TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1` +if [ -z "$TRACING_DIR" ]; then + DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1` + if [ -z "$DEBUGFS_DIR" ]; then + # If tracefs exists, then so does /sys/kernel/tracing + if [ -d "/sys/kernel/tracing" ]; then + mount -t tracefs nodev /sys/kernel/tracing || + errexit "Failed to mount /sys/kernel/tracing" + TRACING_DIR="/sys/kernel/tracing" + # If debugfs exists, then so does /sys/kernel/debug + elif [ -d "/sys/kernel/debug" ]; then + mount -t debugfs nodev /sys/kernel/debug || + errexit "Failed to mount /sys/kernel/debug" + TRACING_DIR="/sys/kernel/debug/tracing" + else + err_ret=$err_skip + errexit "debugfs and tracefs are not configured in this kernel" + fi + else + TRACING_DIR="$DEBUGFS_DIR/tracing" + fi +fi +if [ ! -d "$TRACING_DIR" ]; then + err_ret=$err_skip + errexit "ftrace is not configured in this kernel" fi TOP_DIR=`absdir $0` @@ -318,6 +344,7 @@ run_test() { # testfile local testlog=/proc/self/fd/1 fi export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX` + export FTRACETEST_ROOT=$TOP_DIR echo "execute$INSTANCE: "$1 > $testlog SIG_RESULT=0 if [ $VERBOSE -eq -1 ]; then diff --git a/tools/testing/selftests/ftrace/settings b/tools/testing/selftests/ftrace/settings new file mode 100644 index 000000000000..e7b9417537fb --- /dev/null +++ b/tools/testing/selftests/ftrace/settings @@ -0,0 +1 @@ +timeout=0 diff --git a/tools/testing/selftests/ftrace/test.d/direct/ftrace-direct.tc b/tools/testing/selftests/ftrace/test.d/direct/ftrace-direct.tc new file mode 100644 index 000000000000..d75a8695bc21 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/direct/ftrace-direct.tc @@ -0,0 +1,69 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Test ftrace direct functions against tracers + +rmmod ftrace-direct ||: +if ! modprobe ftrace-direct ; then + echo "No ftrace-direct sample module - please make CONFIG_SAMPLE_FTRACE_DIRECT=m" + exit_unresolved; +fi + +echo "Let the module run a little" +sleep 1 + +grep -q "my_direct_func: waking up" trace + +rmmod ftrace-direct + +test_tracer() { + tracer=$1 + + # tracer -> direct -> no direct > no tracer + echo $tracer > current_tracer + modprobe ftrace-direct + rmmod ftrace-direct + echo nop > current_tracer + + # tracer -> direct -> no tracer > no direct + echo $tracer > current_tracer + modprobe ftrace-direct + echo nop > current_tracer + rmmod ftrace-direct + + # direct -> tracer -> no tracer > no direct + modprobe ftrace-direct + echo $tracer > current_tracer + echo nop > current_tracer + rmmod ftrace-direct + + # direct -> tracer -> no direct > no notracer + modprobe ftrace-direct + echo $tracer > current_tracer + rmmod ftrace-direct + echo nop > current_tracer +} + +for t in `cat available_tracers`; do + if [ "$t" != "nop" ]; then + test_tracer $t + fi +done + +echo nop > current_tracer +rmmod ftrace-direct ||: + +# Now do the same thing with another direct function registered +echo "Running with another ftrace direct function" + +rmmod ftrace-direct-too ||: +modprobe ftrace-direct-too + +for t in `cat available_tracers`; do + if [ "$t" != "nop" ]; then + test_tracer $t + fi +done + +echo nop > current_tracer +rmmod ftrace-direct ||: +rmmod ftrace-direct-too ||: diff --git a/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc b/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc new file mode 100644 index 000000000000..801ecb63e84c --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/direct/kprobe-direct.tc @@ -0,0 +1,84 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Test ftrace direct functions against kprobes + +rmmod ftrace-direct ||: +if ! modprobe ftrace-direct ; then + echo "No ftrace-direct sample module - please build with CONFIG_SAMPLE_FTRACE_DIRECT=m" + exit_unresolved; +fi + +if [ ! -f kprobe_events ]; then + echo "No kprobe_events file -please build CONFIG_KPROBE_EVENTS" + exit_unresolved; +fi + +echo "Let the module run a little" +sleep 1 + +grep -q "my_direct_func: waking up" trace + +rmmod ftrace-direct + +echo 'p:kwake wake_up_process task=$arg1' > kprobe_events + +start_direct() { + echo > trace + modprobe ftrace-direct + sleep 1 + grep -q "my_direct_func: waking up" trace +} + +stop_direct() { + rmmod ftrace-direct +} + +enable_probe() { + echo > trace + echo 1 > events/kprobes/kwake/enable + sleep 1 + grep -q "kwake:" trace +} + +disable_probe() { + echo 0 > events/kprobes/kwake/enable +} + +test_kprobes() { + # probe -> direct -> no direct > no probe + enable_probe + start_direct + stop_direct + disable_probe + + # probe -> direct -> no probe > no direct + enable_probe + start_direct + disable_probe + stop_direct + + # direct -> probe -> no probe > no direct + start_direct + enable_probe + disable_probe + stop_direct + + # direct -> probe -> no direct > no noprobe + start_direct + enable_probe + stop_direct + disable_probe +} + +test_kprobes + +# Now do this with a second registered direct function +echo "Running with another ftrace direct function" + +modprobe ftrace-direct-too + +test_kprobes + +rmmod ftrace-direct-too + +echo > kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc new file mode 100644 index 000000000000..021c03fd885d --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc @@ -0,0 +1,19 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: ftrace - test tracing error log support + +fail() { #msg + echo $1 + exit_fail +} + +# event tracing is currently the only ftrace tracer that uses the +# tracing error_log, hence this check +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter' + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions index 7b96e80e6b8a..86986c4bba54 100644 --- a/tools/testing/selftests/ftrace/test.d/functions +++ b/tools/testing/selftests/ftrace/test.d/functions @@ -91,8 +91,8 @@ initialize_ftrace() { # Reset ftrace to initial-state reset_events_filter reset_ftrace_filter disable_events - echo > set_event_pid # event tracer is always on - echo > set_ftrace_pid + [ -f set_event_pid ] && echo > set_event_pid + [ -f set_ftrace_pid ] && echo > set_ftrace_pid [ -f set_ftrace_filter ] && echo | tee set_ftrace_* [ -f set_graph_function ] && echo | tee set_graph_* [ -f stack_trace_filter ] && echo > stack_trace_filter @@ -109,3 +109,15 @@ LOCALHOST=127.0.0.1 yield() { ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1 } + +ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file + pos=$(echo -n "${2%^*}" | wc -c) # error position + command=$(echo "$2" | tr -d ^) + echo "Test command: $command" + echo > error_log + (! echo "$command" >> "$3" ) 2> /dev/null + grep "$1: error:" -A 3 error_log + N=$(tail -n 1 error_log | wc -c) + # " Command: " and "^\n" => 13 + test $(expr 13 + $pos) -eq $N +} diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc new file mode 100644 index 000000000000..0f60087583d8 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc @@ -0,0 +1,32 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event user-memory access + +[ -f kprobe_events ] || exit_unsupported # this is configurable + +grep -q '\$arg<N>' README || exit_unresolved # depends on arch +grep -A10 "fetcharg:" README | grep -q 'ustring' || exit_unsupported +grep -A10 "fetcharg:" README | grep -q '\[u\]<offset>' || exit_unsupported + +:;: "user-memory access syntax and ustring working on user memory";: +echo 'p:myevent do_sys_open path=+0($arg2):ustring path2=+u0($arg2):string' \ + > kprobe_events + +grep myevent kprobe_events | \ + grep -q 'path=+0($arg2):ustring path2=+u0($arg2):string' +echo 1 > events/kprobes/myevent/enable +echo > /dev/null +echo 0 > events/kprobes/myevent/enable + +grep myevent trace | grep -q 'path="/dev/null" path2="/dev/null"' + +:;: "user-memory access syntax and ustring not working with kernel memory";: +echo 'p:myevent vfs_symlink path=+0($arg3):ustring path2=+u0($arg3):string' \ + > kprobe_events +echo 1 > events/kprobes/myevent/enable +ln -s foo $TMPDIR/bar +echo 0 > events/kprobes/myevent/enable + +grep myevent trace | grep -q 'path=(fault) path2=(fault)' + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc index 3fb70e01b1fe..3ff236719b6e 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_eventname.tc @@ -24,7 +24,21 @@ test -d events/kprobes2/event2 || exit_failure :;: "Add an event on dot function without name" ;: -FUNC=`grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` +find_dot_func() { + if [ ! -f available_filter_functions ]; then + grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " " + return; + fi + + grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do + if grep -s $f available_filter_functions; then + echo $f + break + fi + done +} + +FUNC=`find_dot_func | tail -n 1` [ "x" != "x$FUNC" ] || exit_unresolved echo "p $FUNC" > kprobe_events EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:` diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc index 492426e95e09..7650a82db3f5 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_ftrace.tc @@ -3,7 +3,7 @@ # description: Kprobe dynamic event with function tracer [ -f kprobe_events ] || exit_unsupported # this is configurable -grep function available_tracers || exit_unsupported # this is configurable +grep "function" available_tracers || exit_unsupported # this is configurable # prepare echo nop > current_tracer diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc new file mode 100644 index 000000000000..44494bac86d1 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_multiprobe.tc @@ -0,0 +1,35 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Create/delete multiprobe on kprobe event + +[ -f kprobe_events ] || exit_unsupported + +grep -q "Create/append/" README || exit_unsupported + +# Choose 2 symbols for target +SYM1=_do_fork +SYM2=do_exit +EVENT_NAME=kprobes/testevent + +DEF1="p:$EVENT_NAME $SYM1" +DEF2="p:$EVENT_NAME $SYM2" + +:;: "Define an event which has 2 probes" ;: +echo $DEF1 >> kprobe_events +echo $DEF2 >> kprobe_events +cat kprobe_events | grep "$DEF1" +cat kprobe_events | grep "$DEF2" + +:;: "Remove the event by name (should remove both)" ;: +echo "-:$EVENT_NAME" >> kprobe_events +test `cat kprobe_events | wc -l` -eq 0 + +:;: "Remove just 1 event" ;: +echo $DEF1 >> kprobe_events +echo $DEF2 >> kprobe_events +echo "-:$EVENT_NAME $SYM1" >> kprobe_events +! cat kprobe_events | grep "$DEF1" +cat kprobe_events | grep "$DEF2" + +:;: "Appending different type must fail" ;: +! echo "$DEF1 \$stack" >> kprobe_events diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc new file mode 100644 index 000000000000..ef1e9bafb098 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc @@ -0,0 +1,101 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Kprobe event parser error log check + +[ -f kprobe_events ] || exit_unsupported # this is configurable + +[ -f error_log ] || exit_unsupported + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'trace_kprobe' "$1" 'kprobe_events' +} + +if grep -q 'r\[maxactive\]' README; then +check_error 'p^100 vfs_read' # MAXACT_NO_KPROBE +check_error 'r^1a111 vfs_read' # BAD_MAXACT +check_error 'r^100000 vfs_read' # MAXACT_TOO_BIG +fi + +check_error 'p ^non_exist_func' # BAD_PROBE_ADDR (enoent) +check_error 'p ^hoge-fuga' # BAD_PROBE_ADDR (bad syntax) +check_error 'p ^hoge+1000-1000' # BAD_PROBE_ADDR (bad syntax) +check_error 'r ^vfs_read+10' # BAD_RETPROBE +check_error 'p:^/bar vfs_read' # NO_GROUP_NAME +check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG + +check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME +check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME +check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG +check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME + +check_error 'p vfs_read ^$retval' # RETVAL_ON_PROBE +check_error 'p vfs_read ^$stack10000' # BAD_STACK_NUM + +if grep -q '$arg<N>' README; then +check_error 'p vfs_read ^$arg10000' # BAD_ARG_NUM +fi + +check_error 'p vfs_read ^$none_var' # BAD_VAR + +check_error 'p vfs_read ^%none_reg' # BAD_REG_NAME +check_error 'p vfs_read ^@12345678abcde' # BAD_MEM_ADDR +check_error 'p vfs_read ^@+10' # FILE_ON_KPROBE + +grep -q "imm-value" README && \ +check_error 'p vfs_read arg1=\^x' # BAD_IMM +grep -q "imm-string" README && \ +check_error 'p vfs_read arg1=\"abcd^' # IMMSTR_NO_CLOSE + +check_error 'p vfs_read ^+0@0)' # DEREF_NEED_BRACE +check_error 'p vfs_read ^+0ab1(@0)' # BAD_DEREF_OFFS +check_error 'p vfs_read +0(+0(@0^)' # DEREF_OPEN_BRACE + +if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then +check_error 'p vfs_read +0(^$comm)' # COMM_CANT_DEREF +fi + +check_error 'p vfs_read ^&1' # BAD_FETCH_ARG + + +# We've introduced this limitation with array support +if grep -q ' <type>\\\[<array-size>\\\]' README; then +check_error 'p vfs_read +0(^+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(+0(@0))))))))))))))' # TOO_MANY_OPS? +check_error 'p vfs_read +0(@11):u8[10^' # ARRAY_NO_CLOSE +check_error 'p vfs_read +0(@11):u8[10]^a' # BAD_ARRAY_SUFFIX +check_error 'p vfs_read +0(@11):u8[^10a]' # BAD_ARRAY_NUM +check_error 'p vfs_read +0(@11):u8[^256]' # ARRAY_TOO_BIG +fi + +check_error 'p vfs_read @11:^unknown_type' # BAD_TYPE +check_error 'p vfs_read $stack0:^string' # BAD_STRING +check_error 'p vfs_read @11:^b10@a/16' # BAD_BITFIELD + +check_error 'p vfs_read ^arg123456789012345678901234567890=@11' # ARG_NAME_TOO_LOG +check_error 'p vfs_read ^=@11' # NO_ARG_NAME +check_error 'p vfs_read ^var.1=@11' # BAD_ARG_NAME +check_error 'p vfs_read var1=@11 ^var1=@12' # USED_ARG_NAME +check_error 'p vfs_read ^+1234567(+1234567(+1234567(+1234567(+1234567(+1234567(@1234))))))' # ARG_TOO_LONG +check_error 'p vfs_read arg1=^' # NO_ARG_BODY + +# instruction boundary check is valid on x86 (at this moment) +case $(uname -m) in + x86_64|i[3456]86) + echo 'p vfs_read' > kprobe_events + if grep -q FTRACE ../kprobes/list ; then + check_error 'p ^vfs_read+3' # BAD_INSN_BNDRY (only if function-tracer is enabled) + fi + ;; +esac + +# multiprobe errors +if grep -q "Create/append/" README && grep -q "imm-value" README; then +echo 'p:kprobes/testevent _do_fork' > kprobe_events +check_error '^r:kprobes/testevent do_exit' # DIFF_PROBE_TYPE +echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events +check_error 'p:kprobes/testevent _do_fork ^bcd=\1' # DIFF_ARG_TYPE +check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8' # DIFF_ARG_TYPE +check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE +check_error '^p:kprobes/testevent _do_fork abcd=\1' # SAME_PROBE +fi + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc new file mode 100644 index 000000000000..14229d5778a0 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/kprobe/uprobe_syntax_errors.tc @@ -0,0 +1,23 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Uprobe event parser error log check + +[ -f uprobe_events ] || exit_unsupported # this is configurable + +[ -f error_log ] || exit_unsupported + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'trace_uprobe' "$1" 'uprobe_events' +} + +check_error 'p ^/non_exist_file:100' # FILE_NOT_FOUND +check_error 'p ^/sys:100' # NO_REGULAR_FILE +check_error 'p /bin/sh:^10a' # BAD_UPROBE_OFFS +check_error 'p /bin/sh:10(^1a)' # BAD_REFCNT +check_error 'p /bin/sh:10(10^' # REFCNT_OPEN_BRACE +check_error 'p /bin/sh:10(10)^a' # BAD_REFCNT_SUFFIX + +check_error 'p /bin/sh:10 ^@+ab' # BAD_FILE_OFFS +check_error 'p /bin/sh:10 ^@symbol' # SYM_ON_UPROBE + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc b/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc new file mode 100644 index 000000000000..1b081e910e14 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/selftest/bashisms.tc @@ -0,0 +1,21 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Meta-selftest: Checkbashisms + +if [ ! -f $FTRACETEST_ROOT/ftracetest ]; then + echo "Hmm, we can not find ftracetest" + exit_unresolved +fi + +if ! which checkbashisms > /dev/null 2>&1 ; then + echo "No checkbashisms found. skipped." + exit_unresolved +fi + +checkbashisms $FTRACETEST_ROOT/ftracetest +checkbashisms $FTRACETEST_ROOT/test.d/functions +for t in $(find $FTRACETEST_ROOT/test.d -name \*.tc); do + checkbashisms $t +done + +exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc deleted file mode 100644 index 9912616a8672..000000000000 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc +++ /dev/null @@ -1,28 +0,0 @@ -#!/bin/sh -# SPDX-License-Identifier: GPL-2.0 -# description: event trigger - test extended error support - - -fail() { #msg - echo $1 - exit_fail -} - -if [ ! -f set_event ]; then - echo "event tracing is not supported" - exit_unsupported -fi - -if [ ! -f synthetic_events ]; then - echo "synthetic event is not supported" - exit_unsupported -fi - -echo "Test extended error support" -echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger -! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null -if ! grep -q "ERROR:" events/sched/sched_wakeup/hist; then - fail "Failed to generate extended error in histogram" -fi - -exit 0 diff --git a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc index 7717c0a09686..ac738500d17f 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/trigger-snapshot.tc @@ -28,7 +28,7 @@ if [ -z "$FEATURE" ]; then exit_unsupported fi -echo "Test snapshot tigger" +echo "Test snapshot trigger" echo 0 > snapshot echo 1 > events/sched/sched_process_fork/enable ( echo "forked") |
