+#!/bin/bash
+#
+# Copyright (C) - 2015 Jonathan Rajotte <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="LTTng-crash & shm testing"
+
+CURDIR=$(dirname $0)/
+TESTDIR=$CURDIR/../../../
+CRASH_BIN="lttng-crash"
+
+# Test app for ust event
+TESTAPP_PATH="$TESTDIR/utils/testapp"
+TESTAPP_NAME="gen-ust-events"
+TESTAPP_BIN="$TESTAPP_PATH/$TESTAPP_NAME/$TESTAPP_NAME"
+NR_USEC_WAIT=0
+NR_ITER=-1
+
+# Temp file output
+OUTPUT_DIR=$(mktemp -d)
+
+NUM_TESTS=70
+
+source $TESTDIR/utils/utils.sh
+
+# Global declaration for simplification
+LTTNG_CRASH=$TESTDIR/../src/bin/lttng-crash/$CRASH_BIN
+
+# MUST set TESTDIR before calling those functions
+plan_tests $NUM_TESTS
+
+print_test_banner "$TEST_DESC"
+
+function start_test_app()
+{
+ local tmp_file=$(mktemp -u)
+
+ # Start application with a temporary file.
+ $TESTAPP_BIN $NR_ITER $NR_USEC_WAIT $tmp_file &
+ ret=$?
+ APPS_PID="${APPS_PID} ${!}"
+ ok $ret "Start application to trace"
+
+ # Wait for the application file to appear indicating that at least one
+ # tracepoint has been fired.
+ while [ ! -f "$tmp_file" ]; do
+ sleep 0.5
+ done
+ diag "Removing test app temporary file $tmp_file"
+ rm -rf $tmp_file
+}
+
+function stop_test_apps()
+{
+ diag "Stopping $TESTAPP_NAME"
+ for p in ${APPS_PID}; do
+ diag "Stopping $p"
+ kill ${p} 2>/dev/null
+ wait ${p} 2>/dev/null
+ diag "Stopped $p"
+ done
+ APPS_PID=
+}
+
+function stop_test_app()
+{
+ local pid="$1"
+ for p in ${pid}; do
+ diag "Stopping $p"
+ kill ${p} 2>/dev/null
+ wait ${p} 2>/dev/null
+ done
+}
+
+function verify_path_dont_exists()
+{
+ local path=$1
+ local timeout_try_limit=100
+ local timeout_try_count=0
+ local timeout_flag=0
+
+ while find $path -mindepth 1 -maxdepth 1 &>/dev/null ; do
+ if [[ $timeout_try_count -gt $timeout_try_limit ]]; then
+ timeout_flag=1
+ break
+ fi
+ timeout_try_count=$((timeout_try_count+1))
+ sleep 0.1
+ done
+ return $timeout_flag
+}
+
+function test_shm_path_per_pid()
+{
+ diag "Shm: ust per-pid test"
+ local session_name=shm_path_per_pid
+ local channel_name=channel_per_pid
+ local shm_path=$(mktemp -d)
+
+ # Build up
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-pid"
+
+ diag "Shm: clean state"
+ file_count=$(find $shm_path -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "0"
+ ok $? "No file created on set-up"
+
+ # Look for per-pid folder structure
+ # Start first test app
+ diag "Shm: check folder creation and structure"
+
+ start_test_app
+ first_app_pid=$APPS_PID
+ shm_session_path=$(find $shm_path -mindepth 1 -maxdepth 1)
+
+ file_count=$(echo "$shm_session_path"| wc -l)
+ test $file_count -eq "1"
+ ok $? "Path $shm_session_path created on application creation"
+
+ first_pid_path=$(find $shm_session_path/ust/pid -mindepth 1 -maxdepth 1)
+ ok $? "Pid path exists: $first_pid_path"
+
+ file_count=$(find $shm_session_path/ust/pid -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "1"
+ ok $? "Expect 1 pid registration folder got $file_count"
+
+ # Check for buffer and metadata presence in ust/pid/appfolder
+ file_count=$(find $first_pid_path/ -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -ne "0"
+ ok $? "Expect > 0 buffer and metadata files got $file_count"
+
+ # Start second application pid
+ diag "Shm: check basic creation of second ust application"
+
+ start_test_app
+ second_pid_path=$(find $shm_session_path/ust/pid -mindepth 1 -maxdepth 1)
+ ok $? "Pid path exist found $second_pid_path"
+
+ file_count=$(find $shm_session_path/ust/pid -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "2"
+ ok $? "Expect 2 pid registration folder got $file_count"
+
+ # Stop first test application and check for cleanup
+ stop_test_app "$first_app_pid"
+ verify_path_dont_exists "$first_pid_path"
+ ok $? "First pid cleanup"
+
+ # Stop all applications and check for full cleanup
+ stop_test_apps
+ verify_path_dont_exists "$shm_session_path"
+ ok $? "Full cleanup"
+
+ # Tear down
+ destroy_lttng_session_ok $session_name
+ stop_lttng_sessiond
+ rm -rf $shm_path
+}
+
+function test_shm_path_per_uid()
+{
+ diag "Shm: ust per-uid test"
+ local session_name=shm_path_per_uid
+ local channel_name=channel_per_uid
+ local shm_path=$(mktemp -d)
+
+ # Build up
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-uid"
+
+ diag "Shm: test clean state"
+ file_count=$(find $shm_path -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "0"
+ ok $? "No files created on set-up"
+
+ # Look for per-pid folder structure
+ # Start first test app
+ diag "Shm: check folder creation and structure"
+
+ start_test_app
+ shm_session_path=$(find $shm_path -mindepth 1 -maxdepth 1)
+ file_count=$(echo "$shm_session_path"| wc -l)
+ test $file_count -eq "1"
+ ok $? "Path $shm_session_path created on application creation"
+
+ uid_path=$(find $shm_session_path/ust/uid -mindepth 1 -maxdepth 1)
+ ok $? "uid path exist found $uid_path"
+
+ file_count=$(find $shm_session_path/ust/uid -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "1"
+ ok $? "Expect 1 uid registration folder got $file_count"
+
+ # Stop all applications and check for uid presence
+ stop_test_apps
+ file_count=$(find $shm_session_path/ust/uid -mindepth 1 -maxdepth 1 | wc -l)
+ test $file_count -eq "1"
+ ok $? "Expect 1 uid registration folder got $file_count"
+
+ # Test full cleanup
+ destroy_lttng_session_ok $session_name
+ verify_path_dont_exists "$shm_session_path"
+ ok $? "Full cleanup"
+
+ stop_lttng_sessiond
+ rm -rf $shm_path
+}
+
+function test_lttng_crash()
+{
+ diag "Lttng-crash: basic recuperation"
+ local session_name=crash_test
+ local channel_name=channel_crash
+ local shm_path=$(mktemp -d)
+ local event_name="tp:tptest"
+
+ # Create a session in snapshot mode to deactivate any use of consumerd
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path --snapshot"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-uid"
+ enable_ust_lttng_event_ok $session_name $event_name $channel_name
+ start_lttng_tracing_ok $session_name
+
+ # Generate 10 events
+ $TESTAPP_BIN 10 0
+ stop_lttng_tracing
+
+ crash_recup_count=$($LTTNG_CRASH $shm_path | wc -l)
+ test $crash_recup_count -eq "10"
+ ok $? "Expect 10 recup event from buffers got $crash_recup_count"
+
+ # Tear down
+ destroy_lttng_session_ok $session_name
+ stop_lttng_sessiond
+ rm -rf $shm_path
+}
+
+function test_lttng_crash_extraction()
+{
+ diag "Lttng-crash: extraction to path"
+ local session_name=crash_test
+ local channel_name=channel_crash
+ local shm_path=$(mktemp -d)
+ local extraction_dir_path=$(mktemp -d)
+ local extraction_path=$extraction_dir_path/extract
+ local event_name="tp:tptest"
+
+ # Create a session in snapshot mode to deactivate any use of consumerd
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path --snapshot"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-uid"
+ enable_ust_lttng_event_ok $session_name $event_name $channel_name
+
+ start_lttng_tracing_ok $session_name
+ # Generate 10 events
+ $TESTAPP_BIN 10 0
+ stop_lttng_tracing
+
+ $LTTNG_CRASH -x $extraction_path $shm_path
+ ok $? "Extraction of crashed buffers to path"
+
+ # Test extracted trace
+ trace_match_only $event_name 10 $extraction_path
+
+ # Tear down
+ destroy_lttng_session_ok $session_name
+ stop_lttng_sessiond
+ rm -rf $shm_path
+ rm -rf $extraction_dir_path
+}
+
+function test_shm_path_per_pid_sigint()
+{
+ diag "Shm: ust per-pid test sigint"
+ local session_name=shm_path_per_pid
+ local channel_name=channel_per_pid
+ local shm_path=$(mktemp -d)
+ local num_files=0
+
+ # Build up
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-pid"
+
+ start_test_app
+ start_test_app
+ shm_session_path=$(find $shm_path -mindepth 1 -maxdepth 1)
+
+ # Stop sessiond with sigint
+ stop_lttng_sessiond SIGINT
+
+ # Looking for a full cleanup
+ verify_path_dont_exists "$shm_session_path"
+ ok $? "Full cleanup on sigint"
+
+ # Tear down
+ stop_test_apps
+ rm -rf $shm_path
+}
+
+function test_shm_path_per_uid_sigint()
+{
+ diag "Shm: ust per-uid test sigint"
+ local session_name=shm_path_per_uid_sigint
+ local channel_name=channel_per_uid_sigint
+ local shm_path=$(mktemp -d)
+ local ret=0
+
+ # Build up
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-uid"
+
+ start_test_app
+ start_test_app
+ shm_session_path=$(find $shm_path -mindepth 1 -maxdepth 1)
+
+ # Test full cleanup on SIGINT
+ stop_lttng_sessiond SIGINT
+
+ # Looking for a full cleanup
+ verify_path_dont_exists "$shm_session_path"
+ ok $? "Full cleanup on sigint"
+
+ # Tear down
+ stop_test_apps
+ rm -rf $shm_path
+}
+
+function test_lttng_crash_extraction_sigkill()
+{
+ diag "Lttng-crash: extraction with sigkill"
+ local session_name=crash_test
+ local channel_name=channel_crash
+ local shm_path=$(mktemp -d)
+ local extraction_dir_path=$(mktemp -d)
+ local extraction_path=$extraction_dir_path/extract
+ local event_name="tp:tptest"
+ local ret=0
+
+ start_lttng_sessiond
+ create_lttng_session_ok $session_name $OUTPUT_DIR "--shm-path $shm_path"
+ enable_ust_lttng_channel_ok $session_name $channel_name "--buffers-uid"
+ enable_ust_lttng_event_ok $session_name $event_name $channel_name
+ start_lttng_tracing_ok $session_name
+
+ # Generate 10 events
+ $TESTAPP_BIN 10 0
+
+ # Kill the consumers then sessiond with sigkill
+ stop_lttng_consumerd SIGKILL
+ stop_lttng_sessiond SIGKILL
+
+ $LTTNG_CRASH -x $extraction_path $shm_path
+ ret=$?
+ ok $ret "Extraction of crashed buffers to path $extraction_path"
+
+ # Test extracted trace
+ trace_match_only $event_name 10 $extraction_path
+
+ # Tear down
+ stop_test_apps
+ rm -rf $shm_path
+ rm -rf $extraction_dir_path
+}
+
+TESTS=(
+ test_shm_path_per_uid
+ test_shm_path_per_pid
+ test_lttng_crash
+ test_lttng_crash_extraction
+ test_shm_path_per_pid_sigint
+ test_shm_path_per_uid_sigint
+ test_lttng_crash_extraction_sigkill
+)
+
+
+for fct_test in ${TESTS[@]};
+do
+ ${fct_test}
+ if [ $? -ne 0 ]; then
+ break;
+ fi
+done
+rm -rf $OUTPUT_DIR
+
+OUTPUT_DEST=/dev/null 2>&1
projects / lttng-tools.git / commitdiff
