tests: truncate metadata file for regenerate metadata test

[lttng-tools.git] / tests / regression / tools / regen-metadata / test_ust

diff --git a/tests/regression/tools/regen-metadata/test_ust b/tests/regression/tools/regen-metadata/test_ust
index f1b967505222e01bd2576546124b50d7953fd09e..2a761307409f1ed594e4f0f71d75b6bf0e24f4e0 100755 (executable)
--- a/tests/regression/tools/regen-metadata/test_ust
+++ b/tests/regression/tools/regen-metadata/test_ust
@@ -1,19 +1,9 @@
 #!/bin/bash
 #
-# Copyright (C) - 2015 Julien Desfossez <jdesfossez@efficios.com>
+# Copyright (C) 2015 Julien Desfossez <jdesfossez@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="Streaming - User space tracing"
 
 CURDIR=$(dirname $0)/
@@ -28,7 +18,7 @@ EVENT_NAME="tp:tptest"
 
 TRACE_PATH=$(mktemp -d)
 
-NUM_TESTS=33
+NUM_TESTS=39
 
 source $TESTDIR/utils/utils.sh
 
@@ -51,12 +41,15 @@ function test_ust_streaming ()
 {
        local file_sync_after_first=$(mktemp -u)
        local file_sync_before_last=$(mktemp -u)
+       local metadata_path
 
        diag "Test UST streaming with metadata regeneration"
        create_lttng_session_uri $SESSION_NAME net://localhost
        enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
+       $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
+               --sync-after-first-event ${file_sync_after_first} \
+               --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 
        start_lttng_tracing_ok $SESSION_NAME
 
@@ -64,16 +57,26 @@ function test_ust_streaming ()
 
        # Wait for the applications started in background
        wait
-       regenerate_metadata_ok $SESSION_NAME
 
+       # Expect a valid trace
        stop_lttng_tracing_ok $SESSION_NAME
-       destroy_lttng_session_ok $SESSION_NAME
-       # Validate test
+       validate_trace $EVENT_NAME "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"*
+
+       # Find the metadata file
+       metadata_path=$(find "$TRACE_PATH/$HOSTNAME/$SESSION_NAME"* | grep metadata)
+
+       # Empty the metadata file
+       echo -n > "$metadata_path"
+
+       start_lttng_tracing_ok $SESSION_NAME
+       regenerate_metadata_ok $SESSION_NAME
+       stop_lttng_tracing_ok $SESSION_NAME
+
+       # Metadata file must have been regenerated
        validate_trace $EVENT_NAME $TRACE_PATH/$HOSTNAME/$SESSION_NAME*
-       if [ $? -eq 0 ]; then
-               # Only delete if successful
-               rm -rf $TRACE_PATH
-       fi
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
        rm -f ${file_sync_after_first}
        rm -f ${file_sync_before_last}
 }
@@ -82,12 +85,15 @@ function test_ust_local ()
 {
        local file_sync_after_first=$(mktemp -u)
        local file_sync_before_last=$(mktemp -u)
+       local metadata_path
 
        diag "Test UST local with metadata regeneration"
        create_lttng_session_ok $SESSION_NAME $TRACE_PATH
        enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
+       $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
+               --sync-after-first-event ${file_sync_after_first} \
+               --sync-before-last-event ${file_sync_before_last} > /dev/null 2>&1 &
 
        start_lttng_tracing_ok $SESSION_NAME
 
@@ -95,16 +101,26 @@ function test_ust_local ()
 
        # Wait for the applications started in background
        wait
-       regenerate_metadata_ok $SESSION_NAME
 
+       # Expect a valid trace
        stop_lttng_tracing_ok $SESSION_NAME
-       destroy_lttng_session_ok $SESSION_NAME
-       # Validate test
+       validate_trace $EVENT_NAME "$TRACE_PATH"
+
+       # Find the metadata file
+       metadata_path=$(find "$TRACE_PATH"* | grep metadata)
+
+       # Empty the metadata file
+       echo -n > "$metadata_path"
+
+       start_lttng_tracing_ok $SESSION_NAME
+       regenerate_metadata_ok $SESSION_NAME
+       stop_lttng_tracing_ok $SESSION_NAME
+
+       # Metadata file must have been regenerated
        validate_trace $EVENT_NAME $TRACE_PATH
-       if [ $? -eq 0 ]; then
-               # Only delete if successful
-               rm -rf $TRACE_PATH
-       fi
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -rf "$TRACE_PATH"
        rm -f ${file_sync_after_first}
        rm -f ${file_sync_before_last}
 }
@@ -119,7 +135,9 @@ function test_ust_pid ()
        enable_channel_per_pid $SESSION_NAME "channel0"
        enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME "channel0"
 
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
+       $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
+               --sync-after-first-event ${file_sync_after_first} \
+               --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 
        start_lttng_tracing_ok $SESSION_NAME
 
@@ -150,7 +168,9 @@ function test_ust_live ()
        create_lttng_session_uri $SESSION_NAME net://localhost --live
        enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
 
-       $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT ${file_sync_after_first} ${file_sync_before_last} /dev/null 2>&1 &
+       $TESTAPP_BIN -i $NR_ITER -w $NR_USEC_WAIT \
+               --sync-after-first-event ${file_sync_after_first} \
+               --sync-before-last-event ${file_sync_before_last} >/dev/null 2>&1 &
 
        start_lttng_tracing_ok $SESSION_NAME