CURDIR=$(dirname $0)/
TESTDIR=$CURDIR/../../..
NR_ITER=100
+NR_USEC_WAIT=100000
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
SESSION_NAME="periodical-flush"
-EVENT_NAME="ust_gen_nevents:tptest"
+EVENT_NAME="tp:tptest"
BIN_NAME="gen-nevents"
NUM_TESTS=38
+APP_TMP_FILE="/tmp/lttng_test_ust.42.file"
source $TESTDIR/utils/utils.sh
-if [ ! -x "$CURDIR/gen-nevents" ]; then
- BAIL_OUT "No UST nevents binary detected."
+if [ ! -x "$TESTAPP_BIN" ]; then
+ BAIL_OUT "No UST events binary detected."
fi
# MUST set TESTDIR before calling those functions
local sess_name=$1
local channel_name=$2
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name >/dev/null 2>&1
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1
+ ok $? "Enable channel $channel_name per UID for session $sess_name"
+}
+
+function enable_channel_per_pid()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-pid -u $channel_name -s $sess_name --switch-timer 100000 >/dev/null 2>&1
ok $? "Enable channel $channel_name per UID for session $sess_name"
}
function wait_apps
{
diag "Waiting for applications to end..."
- while [ -n "$(pidof $BIN_NAME)" ]; do
+ while [ -n "$(pidof $TESTAPP_NAME)" ]; do
sleep 1
done
}
+function validate_trace()
+{
+ local out
+
+ out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
+ if [ $out -eq 0 ]; then
+ fail "Trace validation"
+ diag "No event(s) found. We are supposed to have at least one."
+ out=1
+ else
+ pass "Trace validation"
+ diag "Found $out event(s). Coherent."
+ out=0
+ fi
+
+ return $out
+}
+
+function check_app_tmp_file()
+{
+ # Wait for the application file to appear indicating that at least one
+ # tracepoint has been fired.
+ while [ ! -f "$APP_TMP_FILE" ]; do
+ sleep 0.5
+ done
+ diag "Removing test app temporary file $APP_TMP_FILE"
+ rm -f $APP_TMP_FILE
+}
+
+function start_trace_app()
+{
+ # Start application with a temporary file.
+ $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $APP_TMP_FILE &
+ ok $? "Start application to trace"
+}
+
+function start_check_trace_app()
+{
+ start_trace_app
+ check_app_tmp_file
+}
+
test_after_app_pid() {
local out
diag "Start application AFTER tracing is started"
- # BEFORE application is spawned
create_lttng_session $SESSION_NAME $TRACE_PATH
enable_metadata_per_pid $SESSION_NAME
- enable_ust_lttng_channel $SESSION_NAME "channel0"
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+ enable_channel_per_pid $SESSION_NAME "channel0"
+ enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
start_lttng_tracing $SESSION_NAME
- ./$CURDIR/$BIN_NAME $NR_ITER
- ok $? "Start application to trace"
+ # Start application after tracing
+ start_check_trace_app
+ # After this point we are sure that at least one event has been hit.
+
+ # Make sure the application does not generate any more data,
+ # thus ensuring that we are not flushing a packet concurrently
+ # with validate_trace.
+ killall -SIGSTOP -q $TESTAPP_NAME
+
+ # Give time to the consumer to write inflight data.
+ sleep 2
+
+ validate_trace
+ out=$?
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
+ killall -SIGKILL -q $TESTAPP_NAME
+ wait_apps
- return $?
+ return $out
}
test_before_app_pid() {
local out
+ local tmp_file="/tmp/lttng_test_ust.42.file"
diag "Start application BEFORE tracing is started"
- ./$CURDIR/$BIN_NAME $NR_ITER &
- ok $? "Start application to trace"
+ start_trace_app
- # BEFORE application is spawned
+ # Start application before tracing
create_lttng_session $SESSION_NAME $TRACE_PATH
enable_metadata_per_pid $SESSION_NAME
- enable_ust_lttng_channel $SESSION_NAME "channel0"
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+ enable_channel_per_pid $SESSION_NAME "channel0"
+ enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
start_lttng_tracing $SESSION_NAME
- # At least hit one event
+ check_app_tmp_file
+ # Let the application at least perform a flush!
+ sleep 2
+
+ # Make sure the application does not generate any more data,
+ # thus ensuring that we are not flushing a packet concurrently
+ # with validate_trace.
+ killall -SIGSTOP -q $TESTAPP_NAME
+
+ # Give time to the consumer to write inflight data.
sleep 2
+ validate_trace
+ out=$?
+
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
- if [ $out -eq 0 ]; then
- fail "Trace validation"
- diag "No event(s) found. We are supposed to have at least one."
- out=1
- else
- pass "Trace validation"
- diag "Found $out event(s). Coherent."
- out=0
- fi
-
+ killall -SIGKILL -q $TESTAPP_NAME
wait_apps
return $out
diag "Start application AFTER tracing is started"
- # BEFORE application is spawned
create_lttng_session $SESSION_NAME $TRACE_PATH
enable_metadata_per_uid $SESSION_NAME
enable_channel_per_uid $SESSION_NAME "channel0"
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+ enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
start_lttng_tracing $SESSION_NAME
- ./$CURDIR/$BIN_NAME $NR_ITER
- ok $? "Start application to trace"
+ # Start application after tracing
+ start_check_trace_app
+ # After this point we are sure that at least one event has been hit.
+
+ # Make sure the application does not generate any more data,
+ # thus ensuring that we are not flushing a packet concurrently
+ # with validate_trace.
+ killall -SIGSTOP -q $TESTAPP_NAME
+
+ # Give time to the consumer to write inflight data.
+ sleep 2
+
+ validate_trace
+ out=$?
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- trace_matches $EVENT_NAME $NR_ITER $TRACE_PATH
+ killall -SIGKILL -q $TESTAPP_NAME
+ wait_apps
- return $?
+ return $out
}
test_before_app_uid() {
diag "Start application BEFORE tracing is started"
- ./$CURDIR/$BIN_NAME $NR_ITER &
- ok $? "Start application to trace"
+ # Start application before tracing
+ start_trace_app
- # BEFORE application is spawned
create_lttng_session $SESSION_NAME $TRACE_PATH
enable_metadata_per_uid $SESSION_NAME
enable_channel_per_uid $SESSION_NAME "channel0"
- enable_ust_lttng_event $SESSION_NAME $EVENT_NAME
+ enable_ust_lttng_event $SESSION_NAME $EVENT_NAME "channel0"
start_lttng_tracing $SESSION_NAME
- # At least hit one event
+ check_app_tmp_file
+ # Let the application at least perform a flush!
sleep 2
+ # Make sure the application does not generate any more data,
+ # thus ensuring that we are not flushing a packet concurrently
+ # with validate_trace.
+ killall -SIGSTOP -q $TESTAPP_NAME
+
+ # Give time to the consumer to write inflight data.
+ sleep 2
+
+ validate_trace
+ out=$?
+
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
- if [ $out -eq 0 ]; then
- fail "Trace validation"
- diag "No event(s) found. We are supposed to have at least one."
- out=1
- else
- pass "Trace validation"
- diag "Found $out event(s). Coherent."
- out=0
- fi
-
+ killall -SIGKILL -q $TESTAPP_NAME
wait_apps
return $out
while [ $i -lt $TEST_COUNT ]; do
TRACE_PATH=$(mktemp -d)
${TESTS[$i]}
- #rm -rf $TRACE_PATH
+ rm -rf $TRACE_PATH
let "i++"
done
projects / lttng-tools.git / blobdiff