# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
SESSIOND_BIN="lttng-sessiond"
+SESSIOND_MATCH=".*lttng-sess.*"
+SESSIOND_PIDS=""
+RUNAS_BIN="lttng-runas"
+RUNAS_MATCH=".*lttng-runas.*"
CONSUMERD_BIN="lttng-consumerd"
+CONSUMERD_MATCH=".*lttng-consumerd.*"
RELAYD_BIN="lttng-relayd"
+RELAYD_MATCH=".*lttng-relayd.*"
+RELAYD_PIDS=""
LTTNG_BIN="lttng"
BABELTRACE_BIN="babeltrace"
OUTPUT_DEST=/dev/null
# systems. Specialized tests should test those corner-cases.
export LTTNG_UST_REGISTER_TIMEOUT=-1
+# We set the default lttng-sessiond path to /bin/true to prevent the spawning
+# of a daemonized sessiond. This is necessary since 'lttng create' will spawn
+# its own sessiond if none is running. It also ensures that 'lttng create'
+# fails when no sessiond is running.
+export LTTNG_SESSIOND_PATH="/bin/true"
+
source $TESTDIR/utils/tap/tap.sh
+function full_cleanup ()
+{
+ if [ -n "${SESSIOND_PIDS}" ] || [ -n "${RELAYD_PIDS}" ]; then
+ kill -9 ${SESSIOND_PIDS} ${RELAYD_PIDS} > /dev/null 2>&1
+ fi
+
+ # Disable trap for SIGTERM since the following kill to the
+ # pidgroup will be SIGTERM. Otherwise it loops.
+ # The '-' before the pid number ($$) indicates 'kill' to signal the
+ # whole process group.
+ trap - SIGTERM && kill -- -$$
+}
+
+
+trap full_cleanup SIGINT SIGTERM
+
function print_ok ()
{
# Check if we are a terminal
function randstring()
{
[ "$2" == "0" ] && CHAR="[:alnum:]" || CHAR="[:graph:]"
- cat /dev/urandom | tr -cd "$CHAR" | head -c ${1:-16}
+ cat /dev/urandom 2>/dev/null | tr -cd "$CHAR" 2>/dev/null | head -c ${1:-16} 2>/dev/null
+ echo
+}
+
+# Return the number of _configured_ CPUs.
+function conf_proc_count()
+{
+ getconf _NPROCESSORS_CONF
+ if [ $? -ne 0 ]; then
+ diag "Failed to get the number of configured CPUs"
+ fi
echo
}
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test $ret -ne "0"
- ok $? "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name fail as expected"
+ ok $? "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name failed as expected"
else
ok $ret "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name"
fi
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected failure on kernel channel creation $channel_name in $sess_name"
+ ok $? "Enable channel $channel_name for session $sess_name failed as expected"
else
ok $ret "Enable channel $channel_name for session $sess_name"
fi
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected failure on kernel channel creation $channel_name in $sess_name"
+ ok $? "Disable channel $channel_name for session $sess_name failed as expected"
else
- ok $ret "disable channel $channel_name for session $sess_name"
+ ok $ret "Disable channel $channel_name for session $sess_name"
fi
}
DIR=$(readlink -f $TESTDIR)
- if [ -z $(pidof lt-$RELAYD_BIN) ]; then
+ if [ -z $(pgrep $RELAYD_MATCH) ]; then
$DIR/../src/bin/lttng-relayd/$RELAYD_BIN -b $opt 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
#$DIR/../src/bin/lttng-relayd/$RELAYD_BIN $opt -vvv >>/tmp/relayd.log 2>&1 &
if [ $? -eq 1 ]; then
else
pass "Start lttng-relayd (opt: $opt)"
fi
+
+ RELAYD_PIDS=$(pgrep $RELAYD_MATCH)
}
function start_lttng_relayd()
{
local withtap=$1
- PID_RELAYD=`pidof lt-$RELAYD_BIN`
-
if [ $withtap -eq "1" ]; then
- diag "Killing lttng-relayd (pid: $PID_RELAYD)"
+ diag "Killing lttng-relayd (pid: $RELAYD_PIDS)"
fi
- kill $PID_RELAYD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ kill $RELAYD_PIDS 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
retval=$?
if [ $? -eq 1 ]; then
else
out=1
while [ -n "$out" ]; do
- out=$(pidof lt-$RELAYD_BIN)
+ out=$(pgrep $RELAYD_MATCH)
sleep 0.5
done
if [ $withtap -eq "1" ]; then
pass "Kill relay daemon"
fi
fi
+ RELAYD_PIDS=""
return $retval
}
: ${LTTNG_SESSION_CONFIG_XSD_PATH=${DIR}/../src/common/config/}
export LTTNG_SESSION_CONFIG_XSD_PATH
- if [ -z $(pidof lt-$SESSIOND_BIN) ]; then
+ if [ -z $(pgrep ${SESSIOND_MATCH}) ]; then
# Have a load path ?
if [ -n "$load_path" ]; then
- $DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --load "$1" --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
+ $DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --load "$load_path" --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
else
$DIR/../src/bin/lttng-sessiond/$SESSIOND_BIN --background --consumerd32-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd" --consumerd64-path="$DIR/../src/bin/lttng-consumerd/lttng-consumerd"
fi
ok $status "Start session daemon"
fi
fi
+ SESSIOND_PIDS=$(pgrep $SESSIOND_MATCH)
}
function start_lttng_sessiond()
return
fi
- PID_SESSIOND=`pidof lt-$SESSIOND_BIN`
+ local pids="${SESSIOND_PIDS} $(pgrep $RUNAS_MATCH)"
if [ -n "$2" ]; then
kill_opt="$kill_opt -s $signal"
fi
-
- kill $kill_opt $PID_SESSIOND 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ if [ $withtap -eq "1" ]; then
+ diag "Killing $SESSIOND_BIN and lt-$SESSIOND_BIN pids: $(echo $pids | tr '\n' ' ')"
+ fi
+ kill $kill_opt $pids 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
if [ $? -eq 1 ]; then
if [ $withtap -eq "1" ]; then
else
out=1
while [ -n "$out" ]; do
- out=$(pidof lt-$SESSIOND_BIN)
+ out=$(pgrep ${SESSIOND_MATCH})
sleep 0.5
done
out=1
while [ -n "$out" ]; do
- out=$(pidof $CONSUMERD_BIN)
+ out=$(pgrep $CONSUMERD_MATCH)
sleep 0.5
done
+
+ SESSIOND_PIDS=""
if [ $withtap -eq "1" ]; then
pass "Kill session daemon"
fi
stop_lttng_sessiond_opt 0 "$@"
}
+function sigstop_lttng_sessiond_opt()
+{
+ local withtap=$1
+ local signal=SIGSTOP
+ local kill_opt=""
+
+ if [ -n $TEST_NO_SESSIOND ] && [ "$TEST_NO_SESSIOND" == "1" ]; then
+ # Env variable requested no session daemon
+ return
+ fi
+
+ PID_SESSIOND="$(pgrep ${SESSIOND_MATCH}) $(pgrep $RUNAS_MATCH)"
+
+ kill_opt="$kill_opt -s $signal"
+
+ if [ $withtap -eq "1" ]; then
+ diag "Sending SIGSTOP to lt-$SESSIOND_BIN and $SESSIOND_BIN pids: $(echo $PID_SESSIOND | tr '\n' ' ')"
+ fi
+ kill $kill_opt $PID_SESSIOND 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+
+ if [ $? -eq 1 ]; then
+ if [ $withtap -eq "1" ]; then
+ fail "Sending SIGSTOP to session daemon"
+ fi
+ else
+ out=1
+ while [ $out -ne 0 ]; do
+ pid=$(pgrep $SESSIOND_MATCH)
+
+ # Wait until state becomes stopped for session
+ # daemon(s).
+ out=0
+ for sessiond_pid in $pid; do
+ state=$(ps -p $sessiond_pid -o state= )
+ if [[ -n "$state" && "$state" != "T" ]]; then
+ out=1
+ fi
+ done
+ sleep 0.5
+ done
+ if [ $withtap -eq "1" ]; then
+ pass "Sending SIGSTOP to session daemon"
+ fi
+ fi
+}
+
+function sigstop_lttng_sessiond()
+{
+ sigstop_lttng_sessiond_opt 1 "$@"
+}
+
+function sigstop_lttng_sessiond_notap()
+{
+ sigstop_lttng_sessiond_opt 0 "$@"
+}
+
function stop_lttng_consumerd_opt()
{
local withtap=$1
local signal=$2
local kill_opt=""
- PID_CONSUMERD=`pidof $CONSUMERD_BIN`
+ PID_CONSUMERD=$(pgrep $CONSUMERD_MATCH)
if [ -n "$2" ]; then
kill_opt="$kill_opt -s $signal"
fi
if [ $withtap -eq "1" ]; then
- diag "Killing lttng-consumerd (pid: $PID_CONSUMERD)"
+ diag "Killing $CONSUMERD_BIN pids: $(echo $PID_CONSUMERD | tr '\n' ' ')"
fi
kill $kill_opt $PID_CONSUMERD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
retval=$?
else
out=1
while [ $out -ne 0 ]; do
- pid=$(pidof $CONSUMERD_BIN)
+ pid=$(pgrep $CONSUMERD_MATCH)
# If consumerds are still present check their status.
# A zombie status qualifies the consumerd as *killed*
stop_lttng_consumerd_opt 0 "$@"
}
+function sigstop_lttng_consumerd_opt()
+{
+ local withtap=$1
+ local signal=SIGSTOP
+ local kill_opt=""
+
+ PID_CONSUMERD=$(pgrep $CONSUMERD_MATCH)
+
+ kill_opt="$kill_opt -s $signal"
+
+ if [ $withtap -eq "1" ]; then
+ diag "Sending SIGSTOP to $CONSUMERD_BIN pids: $(echo $PID_CONSUMERD | tr '\n' ' ')"
+ fi
+ kill $kill_opt $PID_CONSUMERD 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ retval=$?
+ set +x
+
+ if [ $? -eq 1 ]; then
+ if [ $withtap -eq "1" ]; then
+ fail "Sending SIGSTOP to consumer daemon"
+ fi
+ return 1
+ else
+ out=1
+ while [ $out -ne 0 ]; do
+ pid=$(pgrep $CONSUMERD_MATCH)
+
+ # Wait until state becomes stopped for all
+ # consumers.
+ out=0
+ for consumer_pid in $pid; do
+ state=$(ps -p $consumer_pid -o state= )
+ if [[ -n "$state" && "$state" != "T" ]]; then
+ out=1
+ fi
+ done
+ sleep 0.5
+ done
+ if [ $withtap -eq "1" ]; then
+ pass "Sending SIGSTOP to consumer daemon"
+ fi
+ fi
+ return $retval
+}
+
+function sigstop_lttng_consumerd()
+{
+ sigstop_lttng_consumerd_opt 1 "$@"
+}
+
+function sigstop_lttng_consumerd_notap()
+{
+ sigstop_lttng_consumerd_opt 0 "$@"
+}
+
function list_lttng_with_opts ()
{
local opts=$1
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on session creation $sess_name in $trace_path"
+ ok $? "Create session $sess_name in $trace_path failed as expected"
else
ok $ret "Create session $sess_name in $trace_path"
fi
create_lttng_session 1 "$@"
}
+function create_lttng_session_template ()
+{
+ local expected_to_fail=$1
+ local template_path=$2
+ local opt=$3
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN create --template-path="$template_path" $opt > $OUTPUT_DEST
+ ret=$?
+ if [[ $expected_to_fail -eq "1" ]]; then
+ test "$ret" -ne "0"
+ ok $? "Create session from template $template_path failed as expected"
+ else
+ ok $ret "Create session from template $template_path"
+ fi
+}
+
+function create_lttng_session_template_ok () {
+ create_lttng_session_template 0 "$@"
+}
+
+function create_lttng_session_template_fail () {
+ create_lttng_session_template 1 "$@"
+}
function enable_ust_lttng_channel ()
{
- local expect_fail=$1
+ local expected_to_fail=$1
local sess_name=$2
local channel_name=$3
local opt=$4
$TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -u $channel_name -s $sess_name $opt 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
ret=$?
- if [[ $expect_fail -eq "1" ]]; then
+ if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on ust channel creation $channel_name in $sess_name"
+ ok $? "Enable channel $channel_name for session $sess_name failed as expected"
else
ok $ret "Enable channel $channel_name for session $sess_name"
fi
ok $? "Enable channel $channel_name for session $sess_name"
}
+function enable_lttng_mmap_discard_small_kernel_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --discard --subbuf-size=$(getconf PAGE_SIZE) --num-subbuf=2 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable small discard channel $channel_name for session $sess_name"
+}
+
+function enable_lttng_mmap_overwrite_small_kernel_channel()
+{
+ local sess_name=$1
+ local channel_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-channel -s $sess_name $channel_name -k --output mmap --overwrite --subbuf-size=$(getconf PAGE_SIZE) --num-subbuf=2 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
+ ok $? "Enable small discard channel $channel_name for session $sess_name"
+}
+
function enable_lttng_mmap_overwrite_ust_channel()
{
local sess_name=$1
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test $ret -ne "0"
- ok $? "Enable ust event $event_name for session $session_name on channel $channel_name failed as expected"
+ ok $? "Enable ust event $event_name for session $session_name failed as expected"
else
- ok $ret "Enable event $event_name for session $sess_name"
+ ok $ret "Enable ust event $event_name for session $sess_name"
fi
}
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on start tracing for session: $sess_name"
+ ok $? "Start tracing for session $sess_name failed as expected"
else
ok $ret "Start tracing for session $sess_name"
fi
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on stop tracing for session: $sess_name"
+ ok $? "Stop lttng tracing for session $sess_name failed as expected"
else
ok $ret "Stop lttng tracing for session $sess_name"
fi
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expected fail on session deletion $sess_name"
+ ok $? "Destroy session $sess_name failed as expected"
else
ok $ret "Destroy session $sess_name"
fi
ret=$?
if [[ $expected_to_fail -eq 1 ]]; then
test "$ret" -ne "0"
- ok $? "Failed to add a snapshot output file://$trace_path as expected"
+ ok $? "Added snapshot output file://$trace_path failed as expected"
else
ok $ret "Added snapshot output file://$trace_path"
fi
ret=$?
if [[ $expected_to_fail -eq "1" ]]; then
test "$ret" -ne "0"
- ok $? "Expect fail on deletion of snapshot output id $id"
+ ok $? "Deleted snapshot output id $id failed as expected"
else
ok $ret "Deleted snapshot output id $id"
fi
local opts=$2
$TESTDIR/../src/bin/lttng/$LTTNG_BIN save $sess_name $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
- ok $? "Session successfully saved"
+ ok $? "Session saved"
}
function lttng_load()
local opts=$1
$TESTDIR/../src/bin/lttng/$LTTNG_BIN load $opts 1> $OUTPUT_DEST 2> $ERROR_OUTPUT_DEST
- ok $? "Load command successful"
+ ok $? "Load command with opts: $opts"
}
function lttng_track()
test $ret -ne "0"
ok $? "Track command failed as expected with opts: $opts"
else
- ok $ret "Track command success as expected with opts: $opts"
+ ok $ret "Track command with opts: $opts"
fi
}
test $ret -ne "0"
ok $? "Untrack command failed as expected with opts: $opts"
else
- ok $ret "Untrack command success as expected with opts: $opts"
+ ok $ret "Untrack command with opts: $opts"
fi
}
if [ "$count" -ne "$nr_iter" ]; then
fail "Trace match"
- diag "$count events found in trace"
+ diag "$count matching events found in trace"
else
pass "Trace match"
fi
return $ret
}
+function trace_first_line
+{
+ local trace_path=$1
+
+ which $BABELTRACE_BIN >/dev/null
+ if [ $? -ne 0 ]; then
+ skip 0 "Babeltrace binary not found. Skipping trace validation"
+ fi
+
+ $BABELTRACE_BIN $trace_path 2>/dev/null | head -n 1
+}
+
function validate_trace_exp()
{
local event_exp=$1
ret=$?
return $ret
}
+
+function metadata_regenerate ()
+{
+ local expected_to_fail=$1
+ local sess_name=$2
+
+ $TESTDIR/../src/bin/lttng/$LTTNG_BIN metadata regenerate -s $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 regenerate $sess_name"
+ else
+ ok $ret "Metadata regenerate $sess_name"
+ fi
+}
+
+function metadata_regenerate_ok ()
+{
+ metadata_regenerate 0 "$@"
+}
+
+function metadata_regenerate_fail ()
+{
+ metadata_regenerate 1 "$@"
+}
+
+function destructive_tests_enabled ()
+{
+ if [ ${LTTNG_ENABLE_DESTRUCTIVE_TESTS} = "will-break-my-system" ]; then
+ return 0
+ else
+ return 1
+ fi
+}