X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=tests%2Fregression%2Ftools%2Fsnapshots%2Ftest_ust;h=bdc6f74d63192aa426935c346f0ca4f196984450;hb=209b934f27820bff953d663af9bab268dc5e951c;hp=d4fe165ee153be8a95a44353fe87b985fa56a974;hpb=5f4c2d807e49a7d1a5e149615d37ee824f0155a6;p=lttng-tools.git diff --git a/tests/regression/tools/snapshots/test_ust b/tests/regression/tools/snapshots/test_ust index d4fe165ee..bdc6f74d6 100755 --- a/tests/regression/tools/snapshots/test_ust +++ b/tests/regression/tools/snapshots/test_ust @@ -19,7 +19,6 @@ TEST_DESC="Snapshots - UST tracing" CURDIR=$(dirname $0)/ TESTDIR=$CURDIR/../../.. EVENT_NAME="tp:tptest" -BIN_NAME="gen-nevents" PID_RELAYD=0 SESSION_NAME="" CHANNEL_NAME="snapchan" @@ -31,7 +30,7 @@ NR_USEC_WAIT=100 TRACE_PATH=$(mktemp -d) -NUM_TESTS=2029 +NUM_TESTS=2076 source $TESTDIR/utils/utils.sh @@ -39,6 +38,107 @@ if [ ! -x "$TESTAPP_BIN" ]; then BAIL_OUT "No UST events binary detected." fi +function start_test_app() +{ + local tmp_file="/tmp/lttng_test_ust.42.file" + + # Start application with a temporary file. + $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file & + ok $? "Start application to trace" + + # Wait for the application file to appear indicating that at least one + # tracepoint has been fired. + while [ ! -f "$tmp_file" ]; do + sleep 0.5 + done + diag "Removing test app temporary file $tmp_file" + rm -f $tmp_file +} + +function kill_test_app() +{ + diag "Killing $TESTAPP_NAME" + PID_APP=`pidof $TESTAPP_NAME` + kill $PID_APP >/dev/null 2>&1 +} + +function snapshot_add_output () +{ + local sess_name=$1 + local trace_path=$2 + local name=$3 + local max_size=$4 + local extra_opt="" + + if [ ! -z $name ]; then + extra_opt+=" -n $name " + fi + + if [ ! -z $max_size ]; then + extra_opt+=" -m $max_size " + fi + + $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot add-output \ + -s $sess_name $extra_opt $trace_path > /dev/null 2>&1 + + ok $? "Added snapshot output $trace_path ($extra_opt)" +} + +function snapshot_del_output () +{ + local sess_name=$1 + local name=$2 + + $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot del-output \ + -s $sess_name $name > /dev/null 2>&1 + + ok $? "Deleted snapshot output named $name" +} + +function enable_mmap_overwrite_subbuf_ust_channel () +{ + local sess_name=$1 + local chan_name=$2 + local subbuf_size=$3 + + $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \ + $chan_name -u --output mmap --overwrite \ + --subbuf-size $subbuf_size > /dev/null 2>&1 + + ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size" +} + + +function test_ust_list_output () +{ + output_names=("randomname" "somesnapshot") + + diag "Test UST snapshot output listing" + create_lttng_session_no_output $SESSION_NAME + enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME + enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME + + start_lttng_tracing $SESSION_NAME + + snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[0]} + + $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ + -s $SESSION_NAME 2>&1 | grep ${output_names[0]} > /dev/null + ok $? "Snapshot named ${output_names[0]} present in list-output listing" + + snapshot_del_output $SESSION_NAME ${output_names[0]} + + snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" ${output_names[1]} + + $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot list-output \ + -s $SESSION_NAME 2>&1 | grep ${output_names[1]} > /dev/null + + ok $? "Snapshot named ${output_names[1]} present in list-output listing" + + stop_lttng_tracing $SESSION_NAME + destroy_lttng_session $SESSION_NAME +} + function test_ust_local_snapshot () { diag "Test local UST snapshots" @@ -47,8 +147,10 @@ function test_ust_local_snapshot () enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME start_lttng_tracing $SESSION_NAME lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH - $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & - ok $? "Start application to trace" + + # Returns once the application has at least fired ONE tracepoint. + start_test_app + lttng_snapshot_record $SESSION_NAME stop_lttng_tracing $SESSION_NAME destroy_lttng_session $SESSION_NAME @@ -61,9 +163,85 @@ function test_ust_local_snapshot () else break fi - diag "Killing $TESTAPP_NAME" - PID_APP=`pidof $TESTAPP_NAME` - kill $PID_APP >/dev/null 2>&1 + + kill_test_app +} + +function test_ust_local_snapshot_max_size () +{ + subbuf_size=8192 + num_cpus=`nproc` + + # The minimum size limit is min(subbuf_size) * nb_streams + max_size=$(($subbuf_size*$num_cpus)) + + diag "Test local UST snapshots with max size $max_size" + create_lttng_session_no_output $SESSION_NAME + + enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size + + enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing $SESSION_NAME + + snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size + + # Returns once the application has at least fired ONE tracepoint. + start_test_app + + lttng_snapshot_record $SESSION_NAME + + # Check file size + sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \ + -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}') + + if [ "$sum_size_tracefiles" -gt "$max_size" ]; then + fail "Tracefiles size sum validation" + diag "Tracefiles size sum: $sum_size_tracefiles Expected max: $max_size" + fi + + pass "Tracefiles size sum validation" + + stop_lttng_tracing $SESSION_NAME + destroy_lttng_session $SESSION_NAME + + # Validate test + validate_trace $EVENT_NAME $TRACE_PATH/ + + if [ $? -eq 0 ]; then + # Only delete if successful + rm -rf $TRACE_PATH + fi + + kill_test_app +} + +function test_ust_local_snapshot_large_metadata () +{ + LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5" + LM_PATH="$TESTDIR/utils/testapp" + LM_NAME="gen-ust-nevents" + LM_BIN="$LM_PATH/$LM_NAME/$LM_NAME" + + diag "Test local UST snapshots with > 4kB metadata" + create_lttng_session_no_output $SESSION_NAME + enable_lttng_mmap_overwrite_ust_channel $SESSION_NAME $CHANNEL_NAME + enable_ust_lttng_event $SESSION_NAME $LM_EVENT $CHANNEL_NAME + start_lttng_tracing $SESSION_NAME + lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH + $LM_BIN 1 1 + ok $? "Start application to trace" + lttng_snapshot_record $SESSION_NAME + stop_lttng_tracing $SESSION_NAME + destroy_lttng_session $SESSION_NAME + + # Validate test + validate_trace $LM_EVENT $TRACE_PATH/ + if [ $? -eq 0 ]; then + # Only delete if successful + rm -rf $TRACE_PATH + else + break + fi } function enable_channel_per_uid_mmap_overwrite() @@ -83,8 +261,39 @@ function test_ust_per_uid_local_snapshot () enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME start_lttng_tracing $SESSION_NAME lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH - $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & - ok $? "Start application to trace" + + # Returns once the application has at least fired ONE tracepoint. + start_test_app + + lttng_snapshot_record $SESSION_NAME + stop_lttng_tracing $SESSION_NAME + destroy_lttng_session $SESSION_NAME + + # Validate test + validate_trace $EVENT_NAME $TRACE_PATH/ + if [ $? -eq 0 ]; then + # Only delete if successful + rm -rf $TRACE_PATH + else + break + fi + + kill_test_app +} + +function test_ust_per_uid_local_snapshot_post_mortem () +{ + diag "Test local UST snapshots post-mortem" + create_lttng_session_no_output $SESSION_NAME + enable_channel_per_uid_mmap_overwrite $SESSION_NAME $CHANNEL_NAME + enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME + start_lttng_tracing $SESSION_NAME + lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH + + # Returns once the application has at least fired ONE tracepoint. + start_test_app + kill_test_app + lttng_snapshot_record $SESSION_NAME stop_lttng_tracing $SESSION_NAME destroy_lttng_session $SESSION_NAME @@ -97,9 +306,6 @@ function test_ust_per_uid_local_snapshot () else break fi - diag "Killing $TESTAPP_NAME" - PID_APP=`pidof $TESTAPP_NAME` - kill $PID_APP >/dev/null 2>&1 } function test_ust_1000_local_snapshots () @@ -112,7 +318,10 @@ function test_ust_1000_local_snapshots () enable_ust_lttng_event $SESSION_NAME $EVENT_NAME $CHANNEL_NAME start_lttng_tracing $SESSION_NAME lttng_snapshot_add_output $SESSION_NAME $TRACE_PATH - $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & + + # Returns once the application has at least fired ONE tracepoint. + start_test_app + for i in $(seq 1 $NB_SNAP); do diag "Snapshot $i/$NB_SNAP" rm -rf $TRACE_PATH/snapshot/* 2>/dev/null @@ -128,9 +337,8 @@ function test_ust_1000_local_snapshots () done stop_lttng_tracing $SESSION_NAME destroy_lttng_session $SESSION_NAME - diag "Killing $TESTAPP_NAME" - PID_APP=`pidof $TESTAPP_NAME` -# kill $PID_APP >/dev/null 2>&1 + + kill_test_app } plan_tests $NUM_TESTS @@ -145,13 +353,18 @@ fi start_lttng_sessiond -tests=( test_ust_local_snapshot test_ust_per_uid_local_snapshot test_ust_1000_local_snapshots ) +tests=( test_ust_list_output + test_ust_local_snapshot + test_ust_local_snapshot_max_size + test_ust_per_uid_local_snapshot + test_ust_per_uid_local_snapshot_post_mortem + test_ust_local_snapshot_large_metadata + test_ust_1000_local_snapshots ) for fct_test in ${tests[@]}; do SESSION_NAME=$(randstring 16 0) ${fct_test} - done stop_lttng_sessiond