EVENT_NAME="tp:tptest"
BIN_NAME="gen-nevents"
NUM_TESTS=38
+APP_TMP_FILE="/tmp/lttng_test_ust.42.file"
+APPS_PID=
source $TESTDIR/utils/utils.sh
local sess_name=$1
local channel_name=$2
- $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel --buffers-uid -u $channel_name -s $sess_name --switch-timer 1000000 >/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"
}
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 1000000 >/dev/null 2>&1
+ $TESTDIR/../src/bin/lttng/$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"
}
ok $? "Enable channel $channel_name per PID for session $sess_name"
}
-function wait_apps
-{
- diag "Waiting for applications to end..."
- while [ -n "$(pidof $TESTAPP_NAME)" ]; do
- sleep 1
- done
-}
-
function validate_trace()
{
local out
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 $APP_TMP_FILE &
+ ret=$?
+ APPS_PID="${APPS_PID} ${!}"
+ ok $ret "Start application to trace"
+}
+
+function start_check_trace_app()
+{
+ start_trace_app
+ check_app_tmp_file
+}
+
+
+function wait_trace_apps()
+{
+ for p in ${APPS_PID}; do
+ wait ${p} 2>/dev/null
+ done
+ APPS_PID=
+}
+
test_after_app_pid() {
local out
+ APPS_PID=
+
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_channel_per_pid $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
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
- 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.
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
- # At least hit one event
+ # Give time to the consumer to write inflight data.
sleep 2
+
validate_trace
out=$?
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
+ wait_trace_apps
+
return $out
}
test_before_app_pid() {
local out
+ local tmp_file="/tmp/lttng_test_ust.42.file"
+
+ APPS_PID=
diag "Start application BEFORE tracing is started"
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
- 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_channel_per_pid $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.
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+ # Give time to the consumer to write inflight data.
sleep 2
+
validate_trace
out=$?
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
+
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- wait_apps
+ wait_trace_apps
return $out
}
test_after_app_uid() {
local out
+ APPS_PID=
+
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 "channel0"
start_lttng_tracing $SESSION_NAME
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
- 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.
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
- # At least hit one event
+ # Give time to the consumer to write inflight data.
sleep 2
+
validate_trace
out=$?
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
+ wait_trace_apps
+
return $out
}
test_before_app_uid() {
local out
+ APPS_PID=
+
diag "Start application BEFORE tracing is started"
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
- 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 "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.
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+ # Give time to the consumer to write inflight data.
+ sleep 2
+
validate_trace
out=$?
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
stop_lttng_tracing $SESSION_NAME
destroy_lttng_session $SESSION_NAME
- wait_apps
+ wait_trace_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