From 93c281e302c3cbf716fc1f2bafd9c7ab73e8ae7b Mon Sep 17 00:00:00 2001 From: Mathieu Desnoyers Date: Fri, 4 Sep 2015 19:00:14 -0400 Subject: [PATCH] Tests: kernel filtering MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Requires the new lttng-test.ko lttng-modules test module. Fixes #921 Signed-off-by: Mathieu Desnoyers Signed-off-by: Jérémie Galarneau --- .../tools/filtering/test_invalid_filter | 48 +++- .../tools/filtering/test_unsupported_op | 52 +++- .../tools/filtering/test_valid_filter | 232 +++++++++++++++--- tests/root_regression | 3 + tests/utils/babelstats.pl | 17 +- 5 files changed, 285 insertions(+), 67 deletions(-) diff --git a/tests/regression/tools/filtering/test_invalid_filter b/tests/regression/tools/filtering/test_invalid_filter index 4ba4b8b40..bfc817d3f 100755 --- a/tests/regression/tools/filtering/test_invalid_filter +++ b/tests/regression/tools/filtering/test_invalid_filter @@ -24,17 +24,22 @@ SESSION_NAME="filter-invalid" EVENT_NAME="bogus" ENABLE_EVENT_STDERR="/tmp/invalid-filters-stderr" TRACE_PATH=$(mktemp -d) -NUM_TESTS=146 +NUM_GLOBAL_TESTS=2 +NUM_UST_TESTS=144 +NUM_KERNEL_TESTS=144 +NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS)) source $TESTDIR/utils/utils.sh -function enable_ust_lttng_event_filter +function enable_lttng_event_filter { - sess_name="$1" - event_name="$2" - filter="$3" + domain="$1" + sess_name="$2" + event_name="$3" + filter="$4" - $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null + $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name \ + $domain --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null # Enable must fail if [ $? -eq 0 ]; then @@ -48,7 +53,8 @@ function enable_ust_lttng_event_filter function test_invalid_filter { - test_invalid_filter="$1" + domain="$1" + test_invalid_filter="$2" diag "Test filter expression with invalid filter" diag "Filter: $test_invalid_filter" @@ -57,7 +63,7 @@ function test_invalid_filter create_lttng_session_ok $SESSION_NAME $TRACE_PATH # Apply filter - enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$test_invalid_filter" + enable_lttng_event_filter $domain $SESSION_NAME $EVENT_NAME "$test_invalid_filter" # Destroy session destroy_lttng_session_ok $SESSION_NAME @@ -65,6 +71,8 @@ function test_invalid_filter function test_bytecode_limit { + domain="$1" + # Current bytecode limitation is 65536 bytes long. # Generate a huge bytecode with some perl-fu BYTECODE_LIMIT=`perl -e 'print "intfield" . " && 1" x5460'` @@ -75,7 +83,7 @@ function test_bytecode_limit create_lttng_session_ok $SESSION_NAME $TRACE_PATH # Apply filter - enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME "$BYTECODE_LIMIT" + enable_lttng_event_filter $domain $SESSION_NAME $EVENT_NAME "$BYTECODE_LIMIT" # Destroy session destroy_lttng_session_ok $SESSION_NAME @@ -148,12 +156,30 @@ INVALID_FILTERS=( ) start_lttng_sessiond +diag "Test UST filters" for FILTER in ${INVALID_FILTERS[@]}; do - test_invalid_filter "$FILTER" + test_invalid_filter -u "$FILTER" done -test_bytecode_limit +test_bytecode_limit -u + +if [ "$(id -u)" == "0" ]; then + isroot=1 +else + isroot=0 +fi + +skip $isroot "Root access is needed. Skipping all kernel invalid filter tests." $NUM_KERNEL_TESTS || +{ + diag "Test kernel filters" + for FILTER in ${INVALID_FILTERS[@]}; + do + test_invalid_filter -k "$FILTER" + done + + test_bytecode_limit -k +} unset IFS stop_lttng_sessiond diff --git a/tests/regression/tools/filtering/test_unsupported_op b/tests/regression/tools/filtering/test_unsupported_op index 0c8ceb7b0..985f14e14 100755 --- a/tests/regression/tools/filtering/test_unsupported_op +++ b/tests/regression/tools/filtering/test_unsupported_op @@ -24,17 +24,22 @@ SESSION_NAME="filter-unsupported-ops" EVENT_NAME="bogus" ENABLE_EVENT_STDERR="/tmp/unsupported-ops-enable" TRACE_PATH=$(mktemp -d) -NUM_TESTS=46 +NUM_GLOBAL_TESTS=2 +NUM_UST_TESTS=44 +NUM_KERNEL_TESTS=44 +NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS)) + source $TESTDIR/utils/utils.sh -function enable_ust_lttng_event_filter_unsupported +function enable_lttng_event_filter_unsupported { - sess_name=$1 - event_name=$2 - filter=$3 + domain="$1" + sess_name="$2" + event_name="$3" + filter="$4" enable_cmd="$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event" - $enable_cmd $event_name -s $sess_name -u --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null + $enable_cmd $event_name -s $sess_name $domain --filter "$filter" 2> $ENABLE_EVENT_STDERR 1> /dev/null # Enable must fail if [ $? -eq 0 ]; then @@ -48,8 +53,9 @@ function enable_ust_lttng_event_filter_unsupported function test_unsupported_op { - test_op_str=$1 - test_op_tkn=$2 + domain="$1" + test_op_str="$2" + test_op_tkn="$3" diag "Test filter expression with unsupported operator $test_op_str ($test_op_tkn)" @@ -64,7 +70,7 @@ function test_unsupported_op fi # Apply filter - enable_ust_lttng_event_filter_unsupported $SESSION_NAME $EVENT_NAME "$TEST_FILTER" + enable_lttng_event_filter_unsupported $domain $SESSION_NAME $EVENT_NAME "$TEST_FILTER" # Test stderr for unsupported operator @@ -93,12 +99,14 @@ OP_STR=("MUL" "DIV" "MOD" "PLUS" "MINUS" "LSHIFT" "RSHIFT" OP_TKN=("*" "/" "%" "+" "-" "<<" ">>" "&" "|" "^" "~") OP_COUNT=${#OP_STR[@]} -i=0 start_lttng_sessiond +diag "Test UST unsupported filter operations" + +i=0 while [ "$i" -lt "$OP_COUNT" ]; do - test_unsupported_op "${OP_STR[$i]}" "${OP_TKN[$i]}" + test_unsupported_op -u "${OP_STR[$i]}" "${OP_TKN[$i]}" if [ $? -eq 1 ]; then exit 1 @@ -107,6 +115,28 @@ while [ "$i" -lt "$OP_COUNT" ]; do let "i++" done +if [ "$(id -u)" == "0" ]; then + isroot=1 +else + isroot=0 +fi + +skip $isroot "Root access is needed. Skipping all kernel unsupported filter operations tests." $NUM_KERNEL_TESTS || +{ + diag "Test kernel unsupported filter operations" + + i=0 + while [ "$i" -lt "$OP_COUNT" ]; do + test_unsupported_op -k "${OP_STR[$i]}" "${OP_TKN[$i]}" + + if [ $? -eq 1 ]; then + exit 1 + fi + + let "i++" + done +} + stop_lttng_sessiond # Cleanup diff --git a/tests/regression/tools/filtering/test_valid_filter b/tests/regression/tools/filtering/test_valid_filter index df4eb47e3..28347a42c 100755 --- a/tests/regression/tools/filtering/test_valid_filter +++ b/tests/regression/tools/filtering/test_valid_filter @@ -20,41 +20,51 @@ TEST_DESC="Filtering - Valid filters" CURDIR=$(dirname $0)/ TESTDIR=$CURDIR/../../.. LTTNG_BIN="lttng" -BIN_NAME="gen-ust-events" STATS_BIN="$TESTDIR/utils/babelstats.pl" SESSION_NAME="valid_filter" -EVENT_NAME="tp:tptest" NR_ITER=100 -NUM_TESTS=290 +NUM_GLOBAL_TESTS=2 +NUM_UST_TESTS=288 +NUM_KERNEL_TESTS=288 +NUM_TESTS=$(($NUM_UST_TESTS+$NUM_KERNEL_TESTS+$NUM_GLOBAL_TESTS)) source $TESTDIR/utils/utils.sh -if [ ! -x "$CURDIR/$BIN_NAME" ]; then - BAIL_OUT "No UST nevents binary detected." -fi - -function enable_ust_lttng_event_filter() +function enable_lttng_event_filter() { - sess_name="$1" - event_name="$2" - filter="$3" + domain="$1" + sess_name="$2" + event_name="$3" + filter="$4" - $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name -s $sess_name -u --filter "$filter" 2>&1 >/dev/null + $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event $event_name \ + -s $sess_name $domain --filter "$filter" 2>&1 >/dev/null + $TESTDIR/../src/bin/lttng/$LTTNG_BIN add-context \ + -s $sess_name $domain -t procname 2>&1 >/dev/null ok $? "Enable lttng event with filtering" } -function run_apps +function run_ust { ./$CURDIR/$BIN_NAME $NR_ITER >/dev/null 2>&1 } +function run_kernel +{ + # Trigger the event for 100 iterations + echo -n "100" > /proc/lttng-test-filter-event +} + function test_valid_filter { - filter="$1" - validator="$2" + domain_name="$1" + domain="$2" + event_name="$3" + filter="$4" + validator="$5" - diag "Test valid filter: $1" + diag "Test valid $domain_name filter: $filter" trace_path=$(mktemp -d) @@ -62,17 +72,17 @@ function test_valid_filter create_lttng_session_ok $SESSION_NAME $trace_path # Enable filter - enable_ust_lttng_event_filter $SESSION_NAME $EVENT_NAME $filter + enable_lttng_event_filter $domain $SESSION_NAME $event_name $filter # Trace apps start_lttng_tracing_ok $SESSION_NAME - run_apps + run_$domain_name stop_lttng_tracing_ok $SESSION_NAME # Destroy session destroy_lttng_session_ok $SESSION_NAME - stats=`babeltrace $trace_path | $STATS_BIN --tracepoint $EVENT_NAME` + stats=`babeltrace $trace_path | $STATS_BIN --tracepoint $event_name` rm -rf $trace_path @@ -115,11 +125,13 @@ function validator_intfield validate_min_max "$stats" "netintfieldhex" "0x1" "0x63" status=$(($status|$?)) - validate_min_max "$stats" "floatfield" "2222" "2222" - status=$(($status|$?)) + if [ $KERNEL_CHECK -eq 0 ]; then + validate_min_max "$stats" "floatfield" "2222" "2222" + status=$(($status|$?)) - validate_min_max "$stats" "doublefield" "2" "2" - status=$(($status|$?)) + validate_min_max "$stats" "doublefield" "2" "2" + status=$(($status|$?)) + fi return $status } @@ -311,11 +323,13 @@ function validator_true_statement validate_min_max "$stats" "netintfieldhex" "0x0" "0x63" status=$(($status|$?)) - validate_min_max "$stats" "floatfield" "2222" "2222" - status=$(($status|$?)) + if [ $KERNEL_CHECK -eq 0 ]; then + validate_min_max "$stats" "floatfield" "2222" "2222" + status=$(($status|$?)) - validate_min_max "$stats" "doublefield" "2" "2" - status=$(($status|$?)) + validate_min_max "$stats" "doublefield" "2" "2" + status=$(($status|$?)) + fi validate_min_max "$stats" "stringfield" "\"test\"" "\"test\"" status=$(($status|$?)) @@ -338,9 +352,15 @@ issue_356_filter+="intfield > 4 && intfield > 5 && " issue_356_filter+="intfield > 6 && intfield > 7 && " issue_356_filter+="intfield > 8 || intfield > 0" +start_lttng_sessiond + +### UST TESTS + +BIN_NAME="gen-ust-events" + # One to one mapping between filters and validators -FILTERS=("intfield" #1 +UST_FILTERS=("intfield" #1 "intfield > 1" #2 "intfield >= 1" #3 "intfield < 2" #4 @@ -390,7 +410,13 @@ FILTERS=("intfield" #1 "\"*\" == \$ctx.procname" #48 ) -VALIDATOR=("validator_intfield" #1 +UST_FILTER_COUNT=${#UST_FILTERS[@]} + +if [ ! -x "$CURDIR/$BIN_NAME" ]; then + BAIL_OUT "No UST nevents binary detected." +fi + +UST_VALIDATOR=("validator_intfield" #1 "validator_intfield_gt" #2 "validator_intfield_ge" #3 "validator_intfield_lt" #4 @@ -440,14 +466,13 @@ VALIDATOR=("validator_intfield" #1 "validator_has_events" #48 ) -FILTER_COUNT=${#FILTERS[@]} -i=0 - -start_lttng_sessiond +diag "Test UST valid filters" -while [ "$i" -lt "$FILTER_COUNT" ]; do +KERNEL_CHECK=0 +i=0 +while [ "$i" -lt "$UST_FILTER_COUNT" ]; do - test_valid_filter "${FILTERS[$i]}" "${VALIDATOR[$i]}" + test_valid_filter ust -u "tp:tptest" "${UST_FILTERS[$i]}" "${UST_VALIDATOR[$i]}" if [ $? -eq 1 ]; then stop_lttng_sessiond @@ -457,4 +482,141 @@ while [ "$i" -lt "$FILTER_COUNT" ]; do let "i++" done + +### KERNEL TESTS + +BIN_NAME="test_valid_filt" # Current script name truncated by kernel + +# One to one mapping between filters and validators + +KERNEL_FILTERS=("intfield" #1 + "intfield > 1" #2 + "intfield >= 1" #3 + "intfield < 2" #4 + "intfield <= 2" #5 + "intfield == 1" #6 + "intfield != 99" #7 + "!intfield" #8 + "-intfield" #9 + "--intfield" #10 + "+intfield" #11 + "++intfield" #12 + "intfield > 1 && longfield > 42" #13 + "intfield >= 42 && longfield <= 42" #14 + "intfield < 1 || longfield > 98" #15 + "(stringfield == \"test\" || intfield != 10) && intfield > 33" #16 + "intfield < 42.4242424242" #17 + "\"test\" == \"test\"" #18 #Issue #342 + "stringfield == \"test\"" #19 + "stringfield == \"t*\"" #20 + "stringfield == \"*\"" #21 + $issue_356_filter #22 #Issue #356 + "intfield < 0xDEADBEEF" #23 + "intfield < 0x2" #24 + "intfield < 02" #25 + "stringfield2 == \"\\\*\"" #26 + "1.0 || intfield || 1.0" #27 + "1 < intfield" #28 + "\$ctx.vtid == 0" #29 + "\$ctx.vtid != 0" #30 + "0 == \$ctx.vtid" #31 + "0 != \$ctx.vtid" #32 + "\$ctx.vpid == 0" #33 + "\$ctx.vpid != 0" #34 + "0 == \$ctx.vpid" #35 + "0 != \$ctx.vpid" #36 + "\$ctx.procname != \"$BIN_NAME\"" #37 + "\$ctx.procname == \"$BIN_NAME\"" #38 + "\"$BIN_NAME\" != \$ctx.procname" #39 + "\"$BIN_NAME\" == \$ctx.procname" #40 + "\$ctx.procname != \"$BIN_NAME*\"" #41 + "\$ctx.procname == \"$BIN_NAME*\"" #42 + "\"$BIN_NAME*\" != \$ctx.procname" #43 + "\"$BIN_NAME*\" == \$ctx.procname" #44 + "\$ctx.procname != \"*\"" #45 + "\$ctx.procname == \"*\"" #46 + "\"*\" != \$ctx.procname" #47 + "\"*\" == \$ctx.procname" #48 +) + +KERNEL_FILTER_COUNT=${#KERNEL_FILTERS[@]} + +KERNEL_VALIDATOR=("validator_intfield" #1 + "validator_intfield_gt" #2 + "validator_intfield_ge" #3 + "validator_intfield_lt" #4 + "validator_intfield_le" #5 + "validator_intfield_eq" #6 + "validator_intfield_ne" #7 + "validator_intfield_not" #8 + "validator_intfield" #9 + "validator_intfield" #10 + "validator_intfield" #11 + "validator_intfield" #12 + "validator_intfield_gt_and_longfield_gt" #13 + "validator_intfield_ge_and_longfield_le" #14 + "validator_intfield_lt_or_longfield_gt" #15 + "validator_mixed_str_or_int_and_int" #16 + "validator_has_no_event" #17 #Unsupported by kernel + "validator_true_statement" #18 + "validator_true_statement" #19 + "validator_true_statement" #20 + "validator_true_statement" #21 + "validator_intfield" #22 + "validator_true_statement" #23 + "validator_intfield_lt" #24 + "validator_intfield_lt" #25 + "validator_true_statement" #26 + "validator_has_no_event" #27 #Unsupported by kernel + "validator_intfield_gt" #28 + "validator_has_no_event" #29 + "validator_has_events" #30 + "validator_has_no_event" #31 + "validator_has_events" #32 + "validator_has_no_event" #33 + "validator_has_events" #34 + "validator_has_no_event" #35 + "validator_has_events" #36 + "validator_has_no_event" #36 + "validator_has_events" #37 + "validator_has_no_event" #38 + "validator_has_events" #39 + "validator_has_no_event" #41 + "validator_has_events" #42 + "validator_has_no_event" #43 + "validator_has_events" #44 + "validator_has_no_event" #45 + "validator_has_events" #46 + "validator_has_no_event" #47 + "validator_has_events" #48 +) + +if [ "$(id -u)" == "0" ]; then + isroot=1 +else + isroot=0 +fi + +skip $isroot "Root access is needed. Skipping all kernel valid filter tests." $NUM_KERNEL_TESTS || +{ + diag "Test kernel valid filters" + + KERNEL_CHECK=1 + modprobe lttng-test + i=0 + while [ "$i" -lt "$KERNEL_FILTER_COUNT" ]; do + + test_valid_filter kernel -k "lttng_test_filter_event" \ + "${KERNEL_FILTERS[$i]}" "${KERNEL_VALIDATOR[$i]}" + + if [ $? -eq 1 ]; then + stop_lttng_sessiond + exit 1 + fi + + let "i++" + done + rmmod lttng-test +} + stop_lttng_sessiond diff --git a/tests/root_regression b/tests/root_regression index 6051efbfa..050ac9268 100644 --- a/tests/root_regression +++ b/tests/root_regression @@ -8,3 +8,6 @@ regression/tools/streaming/test_kernel regression/tools/snapshots/test_kernel regression/tools/snapshots/test_kernel_streaming regression/tools/health/test_thread_ok +regression/tools/filtering/test_invalid_filter +regression/tools/filtering/test_unsupported_op +regression/tools/filtering/test_valid_filter diff --git a/tests/utils/babelstats.pl b/tests/utils/babelstats.pl index 53c85d4d0..37a9b063e 100755 --- a/tests/utils/babelstats.pl +++ b/tests/utils/babelstats.pl @@ -92,9 +92,8 @@ sub merge_fields my %merged; foreach my $event (@{$events_ref}) { - my $tp_provider = $event->{'tp_provider'}; - my $tp_name = $event->{'tp_name'}; - my $tracepoint = "$tp_provider:$tp_name"; + my $tp_event = $event->{'tp_event'}; + my $tracepoint = "${tp_event}"; foreach my $key (keys %{$event->{'fields'}}) { my $val = $event->{'fields'}->{$key}; @@ -148,13 +147,12 @@ while (<>) my $pname = '.*'; my $pinfo = '.*'; my $pid = '\d+'; - my $tp_provider = '.*'; - my $tp_name = '.*'; + my $tp_event = '.*'; my $cpu_info = '{\scpu_id\s=\s(\d+)\s\}'; my $fields = '{(.*)}'; # Parse babeltrace text output format - if (/$timestamp\s$elapsed\s($pinfo)\s($tp_provider):($tp_name):\s$cpu_info,\s$fields/) { + if (/$timestamp\s$elapsed\s($pinfo)\s($tp_event):\s$cpu_info,\s$fields/) { my %event_hash; $event_hash{'timestamp'} = $1; $event_hash{'elapsed'} = $2; @@ -165,10 +163,9 @@ while (<>) # $event_hash{'pname'} = defined($split_pinfo[1]) ? $split_pinfo[1] : undef; # $event_hash{'pid'} = defined($split_pinfo[2]) ? $split_pinfo[2] : undef; - $event_hash{'tp_provider'} = $4; - $event_hash{'tp_name'} = $5; - $event_hash{'cpu_id'} = $6; - $event_hash{'fields'} = parse_fields($7); + $event_hash{'tp_event'} = $4; + $event_hash{'cpu_id'} = $5; + $event_hash{'fields'} = parse_fields($6); push @events, \%event_hash; } -- 2.34.1