From 5e83c4052f81b4218c00574ab90c190d97cd821d Mon Sep 17 00:00:00 2001 From: Christian Babeux Date: Mon, 9 Sep 2013 18:09:38 -0400 Subject: [PATCH] Tests: Add UST snapshots list output and max-size tests Add two new tests to the UST snapshots tests: test_ust_list_output: Add/remove named outputs and validate with the list output command. test_ust_local_snapshot_max_size: Take a UST snapshot with max-size limits and validate that they are respected. Signed-off-by: Christian Babeux Signed-off-by: David Goulet --- tests/regression/tools/snapshots/test_ust | 140 +++++++++++++++++++++- 1 file changed, 134 insertions(+), 6 deletions(-) diff --git a/tests/regression/tools/snapshots/test_ust b/tests/regression/tools/snapshots/test_ust index c88e98a2d..bd2521c48 100755 --- a/tests/regression/tools/snapshots/test_ust +++ b/tests/regression/tools/snapshots/test_ust @@ -30,7 +30,7 @@ NR_USEC_WAIT=100 TRACE_PATH=$(mktemp -d) -NUM_TESTS=2053 +NUM_TESTS=2075 source $TESTDIR/utils/utils.sh @@ -38,6 +38,83 @@ if [ ! -x "$TESTAPP_BIN" ]; then BAIL_OUT "No UST events binary detected." fi +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" @@ -65,6 +142,56 @@ function test_ust_local_snapshot () kill $PID_APP >/dev/null 2>&1 } +function test_ust_local_snapshot_max_size () +{ + subbuf_size=8192 + num_cpus=`nproc` + + # The minimum size limit is min(subbuf_size) * nb_streams + max_size=$(($subbuf_size*$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 + + $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT & + ok $? "Start application to trace" + + 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 + + diag "Killing $TESTAPP_NAME" + PID_APP=`pidof $TESTAPP_NAME` + kill $PID_APP >/dev/null 2>&1 +} + function test_ust_local_snapshot_large_metadata () { LM_EVENT="tp:tptest1,tp:tptest2,tp:tptest3,tp:tptest4,tp:tptest5" @@ -200,17 +327,18 @@ fi start_lttng_sessiond -tests=( test_ust_local_snapshot \ - test_ust_per_uid_local_snapshot \ - test_ust_per_uid_local_snapshot_post_mortem \ - test_ust_local_snapshot_large_metadata \ +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 -- 2.34.1