#!/bin/bash
#
-# Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
+# Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
#
-# This library is free software; you can redistribute it and/or modify it under
-# the terms of the GNU Lesser General Public License as published by the Free
-# Software Foundation; version 2.1 of the License.
-#
-# This library is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-# details.
-#
-# You should have received a copy of the GNU Lesser General Public License
-# along with this library; if not, write to the Free Software Foundation, Inc.,
-# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+# SPDX-License-Identifier: LGPL-2.1-only
+
TEST_DESC="UST tracer - Tracing with per UID buffers and periodical flush"
CURDIR=$(dirname $0)/
EVENT_NAME="tp:tptest"
BIN_NAME="gen-nevents"
NUM_TESTS=38
+APP_TMP_FILE=$(mktemp --tmpdir -u tmp.test_periodical_metadata_flush_ust_app_tmp_file.XXXXXX)
+APPS_PID=
source $TESTDIR/utils/utils.sh
ok $? "Enable channel $channel_name per PID for session $sess_name"
}
-function wait_apps
-{
- diag "Waiting for applications to end..."
- while [ -n "$(pidof $TESTAPP_NAME)" ]; do
- sleep 1
- done
-}
-
function validate_trace()
{
local out
- out=$(babeltrace $TRACE_PATH | grep $EVENT_NAME | wc -l)
+ out=$("$BABELTRACE_BIN" $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."
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 -i $NR_ITER -w $NR_USEC_WAIT --sync-after-first-event $APP_TMP_FILE &
+ ret=$?
+ 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"
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $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 "channel0"
- start_lttng_tracing $SESSION_NAME
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+ start_lttng_tracing_ok $SESSION_NAME
# Start application after tracing
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
- ok $? "Start application to trace"
-
- # At least hit one event
- sleep 2
+ 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 -q $TESTAPP_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+ # Give time to the consumer to write inflight data.
sleep 2
validate_trace
out=$?
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
+ stop_lttng_tracing_ok $SESSION_NAME
+ destroy_lttng_session_ok $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
# Start application before tracing
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $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 "channel0"
- start_lttng_tracing $SESSION_NAME
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+ start_lttng_tracing_ok $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 -q $TESTAPP_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+ # Give time to the consumer to write inflight data.
sleep 2
validate_trace
out=$?
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
+
+ stop_lttng_tracing_ok $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
- wait_apps
+ wait_trace_apps
return $out
}
test_after_app_uid() {
local out
+ APPS_PID=
+
diag "Start application AFTER tracing is started"
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $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
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+ start_lttng_tracing_ok $SESSION_NAME
# Start application after tracing
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT
- ok $? "Start application to trace"
-
- # At least hit one event
- sleep 2
+ 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 -q $TESTAPP_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+
+ # Give time to the consumer to write inflight data.
sleep 2
validate_trace
out=$?
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
+ stop_lttng_tracing_ok $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
+
+ wait_trace_apps
return $out
}
test_before_app_uid() {
local out
+ APPS_PID=
+
diag "Start application BEFORE tracing is started"
- # Start application after tracing
- $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT &
- ok $? "Start application to trace"
+ # Start application before tracing
+ start_trace_app
- create_lttng_session $SESSION_NAME $TRACE_PATH
+ create_lttng_session_ok $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
+ enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
+ start_lttng_tracing_ok $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 -q $TESTAPP_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGSTOP ${p}
+ done
+
+ # Give time to the consumer to write inflight data.
sleep 2
validate_trace
out=$?
- stop_lttng_tracing $SESSION_NAME
- destroy_lttng_session $SESSION_NAME
+ for p in ${APPS_PID}; do
+ kill -s SIGKILL ${p}
+ wait ${p} 2>/dev/null
+ done
+ stop_lttng_tracing_ok $SESSION_NAME
+ destroy_lttng_session_ok $SESSION_NAME
- wait_apps
+ wait_trace_apps
return $out
}
plan_tests $NUM_TESTS
print_test_banner "$TEST_DESC"
+bail_out_if_no_babeltrace
TESTS=(
"test_before_app_uid"
start_lttng_sessiond
while [ $i -lt $TEST_COUNT ]; do
- TRACE_PATH=$(mktemp -d)
+ TRACE_PATH=$(mktemp --tmpdir -d tmp.test_periodical_metadata_flush_ust_trace_path.XXXXXX)
${TESTS[$i]}
- #rm -rf $TRACE_PATH
+ rm -rf $TRACE_PATH
let "i++"
done
projects / lttng-tools.git / blobdiff