TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
APPS_PID=
-NUM_TESTS=100
+NUM_TESTS=104
-TRACE_PATH=$(mktemp -d)
+TRACE_PATH=$(mktemp -d -t tmp.test_snapshots_ust_trace_path.XXXXXX)
source $TESTDIR/utils/utils.sh
if [ ! -x "$TESTAPP_BIN" ]; then
- BAIL_OUT "No UST events binary detected."
+ BAIL_OUT "No UST events binary detected"
fi
# Need the number of snapshot to do.
if [ -z $1 ]; then
- BAIL_OUT "A number of snapshot is needed."
+ BAIL_OUT "A number of snapshot is needed"
fi
NR_SNAPSHOT=$1
-NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 2)))
+NUM_TESTS=$(($NUM_TESTS + ($NR_SNAPSHOT * 3)))
function start_test_app()
{
- local tmp_file=$(mktemp -u)
+ local tmp_file=$(mktemp -u -t "tmp.${FUNCNAME[0]}_tmp_file.XXXXXX")
# Start application with a temporary file.
$TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $tmp_file &
local sess_name=$1
local chan_name=$2
local subbuf_size=$3
+ local subbuf_count=$4
$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name \
$chan_name -u --output mmap --overwrite \
+ --num-subbuf=$subbuf_count \
--subbuf-size $subbuf_size > /dev/null 2>&1
ok $? "Enable channel $channel_name for session $sess_name with subbuf size $subbuf_size"
destroy_lttng_session_ok $SESSION_NAME
# Validate test
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0
validate_trace $EVENT_NAME $TRACE_PATH/
if [ $? -eq 0 ]; then
# Only delete if successful
rm -rf $TRACE_PATH/
if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then
- fail "First snapshot event do not match."
+ fail "First snapshot event do not match"
else
- pass "First snapshot event match."
+ pass "First snapshot event match"
fi
stop_lttng_tracing_ok $SESSION_NAME
rm -rf $TRACE_PATH/
if [ x"$FIRST_LINE" != x"$FIRST_LINE_2" ]; then
- pass "First snapshot event do not match."
+ pass "First snapshot event do not match"
else
- fail "First snapshot event match."
+ fail "First snapshot event match"
fi
stop_lttng_tracing_ok $SESSION_NAME
function test_ust_local_snapshot_max_size ()
{
- NR_ITER=-1
- NR_USEC_WAIT=100
- page_size=`getconf PAGE_SIZE`
- num_cpus=$(conf_proc_count)
-
- # The minimum subbuf size is the platform PAGE_SIZE
- subbuf_size=$(($page_size*2))
-
- # The minimum size limit is min(subbuf_size) * nb_streams
- max_size=$(($subbuf_size*$num_cpus))
+ local possible_cpus
+ local online_cpus
+ local subbuf_size
+ local subbuf_count
+ local snapshot_max_size
+ local channel_max_size_per_cpu
+
+ possible_cpus=$(get_possible_cpus_count)
+ online_cpus=$(conf_proc_count)
+ subbuf_size=$(getconf PAGE_SIZE)
+ subbuf_count=8
+ snapshot_max_size=$((subbuf_size*possible_cpus))
+ channel_max_size_per_cpu=$((subbuf_size*subbuf_count))
diag "Test local UST snapshots with max size $max_size"
- create_lttng_session_no_output $SESSION_NAME
+ create_lttng_session_no_output "$SESSION_NAME"
- enable_mmap_overwrite_subbuf_ust_channel $SESSION_NAME $CHANNEL_NAME $subbuf_size
+ enable_mmap_overwrite_subbuf_ust_channel \
+ "$SESSION_NAME" "$CHANNEL_NAME" \
+ "$subbuf_size" "$subbuf_count"
- enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $CHANNEL_NAME
- start_lttng_tracing_ok $SESSION_NAME
+ enable_ust_lttng_event_ok "$SESSION_NAME" "$EVENT_NAME" "$CHANNEL_NAME"
+ start_lttng_tracing_ok "$SESSION_NAME"
- snapshot_add_output $SESSION_NAME "file://$TRACE_PATH" "" $max_size
+ snapshot_add_output "$SESSION_NAME" "file://$TRACE_PATH" "" "$snapshot_max_size"
- # Returns once the application has at least fired ONE tracepoint.
- start_test_app
+ # Fill all ring-buffers of the channel; assuming event size of at least one
+ # byte
+ for cpu in $(seq "$online_cpus");
+ do
+ taskset --cpu-list $((cpu-1)) "$TESTAPP_BIN" \
+ --iter "$channel_max_size_per_cpu"
+ done
+ diag "Filled channel ring-buffers"
- lttng_snapshot_record $SESSION_NAME
+ lttng_snapshot_record "$SESSION_NAME"
# Check file size
- sum_size_tracefiles=$(find $TRACE_PATH -name "${CHANNEL_NAME}_*" \
- -exec stat -c '%s' {} \; | awk '{s = s + $1}END{print s}')
+ local snapshot_size
+ snapshot_size=$(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: $max_size"
- else
+ if [ "$snapshot_size" -eq "$snapshot_max_size" ]; then
pass "Tracefiles size sum validation"
+ else
+ fail "Tracefiles size sum validation"
+ diag "Tracefiles size sum: $snapshot_size Expected max: $snapshot_max_size"
fi
- stop_lttng_tracing_ok $SESSION_NAME
- destroy_lttng_session_ok $SESSION_NAME
+ stop_lttng_tracing_ok "$SESSION_NAME"
+ destroy_lttng_session_ok "$SESSION_NAME"
# Validate test
- validate_trace $EVENT_NAME $TRACE_PATH/
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0
- if [ $? -eq 0 ]; then
+ if validate_trace "$EVENT_NAME" "$TRACE_PATH/"; then
# Only delete if successful
- rm -rf $TRACE_PATH
+ rm -rf "$TRACE_PATH"
fi
stop_test_apps
enable_ust_lttng_event_ok $SESSION_NAME $LM_EVENT $CHANNEL_NAME
start_lttng_tracing_ok $SESSION_NAME
lttng_snapshot_add_output_ok $SESSION_NAME file://$TRACE_PATH
- $LM_BIN 1 1
+ $LM_BIN --iter 1 --wait 1
ok $? "Start application to trace"
lttng_snapshot_record $SESSION_NAME
stop_lttng_tracing_ok $SESSION_NAME
destroy_lttng_session_ok $SESSION_NAME
# Validate test
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0
validate_trace $LM_EVENT $TRACE_PATH/
if [ $? -eq 0 ]; then
# Only delete if successful
destroy_lttng_session_ok $SESSION_NAME
# Validate test
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0
validate_trace $EVENT_NAME $TRACE_PATH/
if [ $? -eq 0 ]; then
# Only delete if successful
destroy_lttng_session_ok $SESSION_NAME
# Validate test
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" 0
validate_trace $EVENT_NAME $TRACE_PATH/
if [ $? -eq 0 ]; then
# Only delete if successful
rm -rf $TRACE_PATH/snapshot/* 2>/dev/null
lttng_snapshot_record $SESSION_NAME
# Validate test
+ validate_trace_path_ust_uid_snapshot "$TRACE_PATH" "" "snapshot-1" $((i - 1))
validate_trace $EVENT_NAME $TRACE_PATH/
if [ $? -eq 0 ]; then
# Only delete if successful
print_test_banner "$TEST_DESC"
+bail_out_if_no_babeltrace
+
start_lttng_sessiond
tests=( test_ust_list_output
test_ust_local_snapshot
projects / lttng-tools.git / blobdiff