Test: lttng clear command for snapshot session
authorJonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Thu, 14 Feb 2019 02:33:35 +0000 (21:33 -0500)
committerJonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Mon, 18 Feb 2019 19:25:02 +0000 (14:25 -0500)
Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
configure.ac
tests/regression/Makefile.am
tests/regression/tools/Makefile.am
tests/regression/tools/clear/Makefile.am [new file with mode: 0644]
tests/regression/tools/clear/test_kernel [new file with mode: 0755]
tests/regression/tools/clear/test_ust [new file with mode: 0755]
tests/utils/utils.sh

index c152475df154ce84d8183230ad8b2dbce3bd9a1a..7b974ccd83f3c1ff3401852af38f31570c371140 100644 (file)
@@ -1119,6 +1119,7 @@ AC_CONFIG_FILES([
        tests/regression/tools/regen-statedump/Makefile
        tests/regression/tools/notification/Makefile
        tests/regression/tools/rotation/Makefile
+       tests/regression/tools/clear/Makefile
        tests/regression/ust/Makefile
        tests/regression/ust/nprocesses/Makefile
        tests/regression/ust/high-throughput/Makefile
index 7752404056e322cd97ec2f9c899956d8f4199f69..9eb7d53d0cd5bdb56a0ac74de8da81d22b238b1d 100644 (file)
@@ -31,7 +31,9 @@ TESTS = tools/filtering/test_invalid_filter \
        tools/rotation/test_ust \
        tools/rotation/test_kernel \
        tools/rotation/test_save_load_mi \
-       tools/rotation/test_schedule_api
+       tools/rotation/test_schedule_api \
+       tools/clear/test_ust \
+       tools/clear/test_kernel
 
 if HAVE_LIBLTTNG_UST_CTL
 SUBDIRS += ust
index dea9938869f92bdb8d5ccff4bd6df55d65b26766..e2e3bf277188ed09d849e001c69fd1161eb7e58d 100644 (file)
@@ -1,2 +1,2 @@
 SUBDIRS = streaming filtering health tracefile-limits snapshots live exclusion save-load mi \
-               wildcard crash regen-metadata regen-statedump notification rotation
+               wildcard crash regen-metadata regen-statedump notification rotation clear
diff --git a/tests/regression/tools/clear/Makefile.am b/tests/regression/tools/clear/Makefile.am
new file mode 100644 (file)
index 0000000..aa700f1
--- /dev/null
@@ -0,0 +1,16 @@
+noinst_SCRIPTS = test_kernel test_ust
+EXTRA_DIST = test_kernel test_ust
+
+all-local:
+       @if [ x"$(srcdir)" != x"$(builddir)" ]; then \
+               for script in $(EXTRA_DIST); do \
+                       cp -f $(srcdir)/$$script $(builddir); \
+               done; \
+       fi
+
+clean-local:
+       @if [ x"$(srcdir)" != x"$(builddir)" ]; then \
+               for script in $(EXTRA_DIST); do \
+                       rm -f $(builddir)/$$script; \
+               done; \
+       fi
diff --git a/tests/regression/tools/clear/test_kernel b/tests/regression/tools/clear/test_kernel
new file mode 100755 (executable)
index 0000000..d3e17fe
--- /dev/null
@@ -0,0 +1,171 @@
+#!/bin/bash
+#
+# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@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
+
+TEST_DESC="Clear - Kernel tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="lttng_test_filter_event"
+
+TRACE_PATH=$(mktemp -d)
+
+NUM_TESTS=55
+
+source $TESTDIR/utils/utils.sh
+
+function clean_path ()
+{
+       local trace_path=$1
+       set -u
+       rm -rf $trace_path/*
+       set +u
+}
+
+function test_kernel_streaming ()
+{
+       diag "Test kernel streaming clear"
+       create_lttng_session_uri $SESSION_NAME net://localhost
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for streaming MUST be implemented
+       # This validate that for now we fail correctly
+       lttng_clear_session_fail $SESSION_NAME
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_streaming_live ()
+{
+       diag "Test kernel streaming live clear"
+       create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for streaming MUST be implemented
+       # This validate that for now we fail correctly
+       lttng_clear_session_fail $SESSION_NAME
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_local ()
+{
+       diag "Test kernel local"
+       create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+       lttng_enable_kernel_event $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for local MUST be implemented
+       lttng_clear_session_fail $SESSION_NAME
+       # TODO: validate that the previous chunk IS no more present
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function do_kernel_snapshot ()
+{
+       local session_name=$1
+       local trace_path=$2
+
+       lttng_enable_kernel_event $session_name $EVENT_NAME
+       start_lttng_tracing_ok $session_name
+
+       # Generate 10 events that will sit in the buffers.
+       echo -n "10" > /proc/lttng-test-filter-event
+
+       # Take a first snapshot and validate that the events are present.
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_count $EVENT_NAME $trace_path 10
+
+       # Clean the output path
+       clean_path $trace_path
+       start_lttng_tracing_ok $session_name
+
+       lttng_clear_session_ok $session_name
+
+       # Make sure the subsequent snapshot is empty and valid.
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_empty $trace_path
+
+       # Clean the output path
+       clean_path $trace_path
+       start_lttng_tracing_ok $session_name
+
+       # Make sure that everything still works, generate events and take a
+       # snapshot.
+       echo -n "10" > /proc/lttng-test-filter-event
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_count $EVENT_NAME $trace_path 10
+}
+
+function test_kernel_streaming_snapshot ()
+{
+       diag "Test kernel streaming snapshot clear"
+
+       create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
+       do_kernel_snapshot $SESSION_NAME $TRACE_PATH
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_kernel_local_snapshot ()
+{
+       diag "Test kernel local snapshot clear"
+
+       create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+       do_kernel_snapshot $SESSION_NAME $TRACE_PATH
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+if [ "$(id -u)" == "0" ]; then
+       isroot=1
+else
+       isroot=0
+fi
+
+tests=( test_kernel_streaming
+       test_kernel_streaming_live
+       test_kernel_local
+       test_kernel_streaming_snapshot
+       test_kernel_local_snapshot
+)
+
+skip $isroot "Root access is needed. Skipping all kernel streaming tests." $NUM_TESTS ||
+{
+       validate_lttng_modules_present
+
+       start_lttng_relayd "-o $TRACE_PATH"
+       start_lttng_sessiond
+       modprobe lttng-test
+
+       for fct_test in ${tests[@]};
+       do
+               SESSION_NAME=$(randstring 16 0)
+               ${fct_test}
+               clean_path $TRACE_PATH
+       done
+
+       rmmod lttng-test
+       stop_lttng_sessiond
+       stop_lttng_relayd
+}
+
+clean_path $TRACE_PATH
diff --git a/tests/regression/tools/clear/test_ust b/tests/regression/tools/clear/test_ust
new file mode 100755 (executable)
index 0000000..ae3105c
--- /dev/null
@@ -0,0 +1,213 @@
+#!/bin/bash
+#
+# Copyright (C) - 2019 Jonathan Rajotte-Julien <jonathan.rajotte-julien@efficios.com>
+#
+# This library is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation; version 2.1 of the License.
+#
+# This library is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+
+TEST_DESC="Clear - UST tracing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../..
+EVENT_NAME="tp:tptest"
+SESSION_NAME=""
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+
+NUM_TESTS=69
+
+TRACE_PATH=$(mktemp -d)
+
+source $TESTDIR/utils/utils.sh
+
+if [ ! -x "$TESTAPP_BIN" ]; then
+       BAIL_OUT "No UST events binary detected."
+fi
+
+function clean_path ()
+{
+       local trace_path=$1
+       set -u
+       rm -rf $trace_path/*
+       set +u
+}
+
+function test_ust_streaming ()
+{
+       diag "Test ust streaming clear"
+       create_lttng_session_uri $SESSION_NAME net://localhost
+       enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for streaming MUST be implemented
+       # This validate that for now we fail correctly
+       lttng_clear_session_fail $SESSION_NAME
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_streaming_live ()
+{
+       diag "Test ust streaming live clear"
+       create_lttng_session_uri $SESSION_NAME net://localhost "--live"
+       enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for streaming MUST be implemented
+       # This validate that for now we fail correctly
+       lttng_clear_session_fail $SESSION_NAME
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local ()
+{
+       diag "Test ust local"
+       create_lttng_session_ok $SESSION_NAME $TRACE_PATH
+       enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME
+       start_lttng_tracing_ok $SESSION_NAME
+       # TODO: place holder, support for local MUST be implemented
+       lttng_clear_session_fail $SESSION_NAME
+       # TODO: validate that the previous chunk IS no more present
+
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function do_ust_snapshot ()
+{
+       local session_name=$1
+       local trace_path=$2
+
+       enable_ust_lttng_event_ok $session_name $EVENT_NAME
+       start_lttng_tracing_ok $session_name
+
+       # Generate 10 events that will sit in the buffers.
+       $TESTAPP_BIN -i 10
+
+       # Take a first snapshot and validate that the events are present.
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_count $EVENT_NAME $trace_path 10
+
+       # Clean the output path
+       clean_path $trace_path
+       start_lttng_tracing_ok $session_name
+
+       lttng_clear_session_ok $session_name
+
+       # Make sure the subsequent snapshot is empty and valid.
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_empty $trace_path
+
+       # Clean the output path
+       clean_path $trace_path
+       start_lttng_tracing_ok $session_name
+
+       # Make sure that everything still works, generate events and take a
+       # snapshot.
+       $TESTAPP_BIN -i 10
+       lttng_snapshot_record $session_name
+       stop_lttng_tracing_ok $session_name
+       validate_trace_count $EVENT_NAME $trace_path 10
+}
+
+function test_ust_streaming_snapshot ()
+{
+       diag "Test ust streaming snapshot clear"
+
+       create_lttng_session_uri $SESSION_NAME net://localhost "--snapshot"
+       do_ust_snapshot $SESSION_NAME $TRACE_PATH
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_snapshot ()
+{
+       diag "Test ust local snapshot clear"
+
+       create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+       do_ust_snapshot $SESSION_NAME $TRACE_PATH
+       destroy_lttng_session_ok $SESSION_NAME
+}
+
+function test_ust_local_snapshot_per_pid ()
+{
+       diag "Test ust local snapshot clear per pid "
+       local channel_name="channel0"
+       local file_sync_before_last=$(mktemp -u)
+       local file_sync_before_last_touch=$(mktemp -u)
+
+       create_lttng_session_ok $SESSION_NAME $TRACE_PATH "--snapshot"
+       enable_ust_lttng_channel_ok $SESSION_NAME $channel_name --buffers-pid
+       enable_ust_lttng_event_ok $SESSION_NAME $EVENT_NAME $channel_name
+       start_lttng_tracing_ok $SESSION_NAME
+
+       # Generate 10 events that will sit in the buffers.
+       $TESTAPP_BIN -i 10 -w 0 \
+               --sync-before-last-event ${file_sync_before_last} \
+               --sync-before-last-event-touch ${file_sync_before_last_touch} >/dev/null 2>&1 &
+
+       # Continue only when there is only the last event remaining.
+       while [ ! -f "${file_sync_before_last_touch}" ]; do
+               sleep 0.5
+       done
+
+       # Take a first snapshot and validate that the events are present.
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing_ok $SESSION_NAME
+       validate_trace_count $EVENT_NAME $TRACE_PATH 9
+
+       # Clean the output path
+       clean_path $TRACE_PATH
+       start_lttng_tracing_ok $SESSION_NAME
+
+       lttng_clear_session_ok $SESSION_NAME
+
+       # Make sure the subsequent snapshot is empty and valid.
+       lttng_snapshot_record $SESSION_NAME
+       stop_lttng_tracing_ok $SESSION_NAME
+       validate_trace_empty $TRACE_PATH
+
+       touch ${file_sync_before_last}
+       wait
+       destroy_lttng_session_ok $SESSION_NAME
+
+       rm -f ${file_sync_before_last}
+       rm -f ${file_sync_before_last_touch}
+}
+
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+
+tests=(
+       test_ust_streaming
+       test_ust_streaming_live
+       test_ust_local
+       test_ust_streaming_snapshot
+       test_ust_local_snapshot
+       test_ust_local_snapshot_per_pid
+)
+
+start_lttng_relayd "-o $TRACE_PATH"
+start_lttng_sessiond
+
+for fct_test in ${tests[@]};
+do
+       SESSION_NAME=$(randstring 16 0)
+       ${fct_test}
+       clean_path $TRACE_PATH
+done
+
+stop_lttng_sessiond
+stop_lttng_relayd
index 94b3a3c45fc12a376c1d4d51d8ff44159fca89c6..24256e436681a1fda2d502661c1e381517135b91 100644 (file)
@@ -1285,7 +1285,6 @@ function lttng_snapshot_del_output_fail ()
 function lttng_snapshot_record ()
 {
        local sess_name=$1
-       local trace_path=$2
 
        $TESTDIR/../src/bin/lttng/$LTTNG_BIN snapshot record -s $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
        ok $? "Snapshot recorded"
@@ -1769,3 +1768,28 @@ function lttng_enable_rotation_size_fail ()
 {
        lttng_enable_rotation_size 1 $@
 }
+
+function lttng_clear_session ()
+{
+       local expected_to_fail=$1
+       local sess_name=$2
+
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN clear $sess_name 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+       ret=$?
+       if [[ $expected_to_fail -eq "1" ]]; then
+               test "$ret" -ne "0"
+               ok $? "Expected fail on clear session $sess_name"
+       else
+               ok $ret "Clear session $sess_name"
+       fi
+}
+
+function lttng_clear_session_ok ()
+{
+       lttng_clear_session 0 $@
+}
+
+function lttng_clear_session_fail ()
+{
+       lttng_clear_session 1 $@
+}
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