Implement tests for kernel syscall tracing feature

[lttng-tools.git] / tests / utils / utils.sh

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index 117f72f1f91cc4b75dd4fbb485c50e41fc447fc7..2647769f27106087ecf4f72e0c92d7590b652fa5 100644 (file)
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -102,6 +102,85 @@ function lttng_enable_kernel_event
        ok $? "Enable kernel event $event_name for session $sess_name"
 }
 
+function lttng_enable_kernel_syscall()
+{
+       local expected_to_fail=$1
+       local sess_name=$2
+       local syscall_name=$3
+       local channel_name=$4
+
+       if [ -z $syscall_name ]; then
+               # Enable all event if no syscall name specified
+               syscall_name="-a"
+       fi
+
+       if [ -z $channel_name ]; then
+               # default channel if none specified
+               chan=""
+       else
+               chan="-c $channel_name"
+       fi
+
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN enable-event --syscall "$syscall_name" $chan -s $sess_name -k >$OUTPUT_DEST
+       ret=$?
+       if [[ $expected_to_fail -eq "1" ]]; then
+               test $ret -ne "0"
+               ok $? "Enable kernel syscall $syscall_name for session $sess_name on channel $channel_name fail as expected"
+       else
+               ok $ret "Enable kernel syscall $syscall_name for session $sess_name on channel $channel_name"
+       fi
+}
+
+function lttng_enable_kernel_syscall_ok()
+{
+       lttng_enable_kernel_syscall 0 ${*}
+}
+
+function lttng_enable_kernel_syscall_fail()
+{
+       lttng_enable_kernel_syscall 1 ${*}
+}
+
+function lttng_disable_kernel_syscall()
+{
+       local expected_to_fail=$1
+       local sess_name=$2
+       local syscall_name=$3
+       local channel_name=$4
+
+       if [ -z $syscall_name ]; then
+               # Enable all event if no syscall name specified
+               syscall_name="-a"
+       fi
+
+       if [ -z $channel_name ]; then
+               # default channel if none specified
+               chan=""
+       else
+               chan="-c $channel_name"
+       fi
+
+       $TESTDIR/../src/bin/lttng/$LTTNG_BIN disable-event --syscall "$syscall_name" $chan -s $sess_name -k >$OUTPUT_DEST
+
+       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"
+       else
+               ok $ret "Disable kernel syscall $syscall_name for session $sess_name on channel $channel_name"
+       fi
+}
+
+function lttng_disable_kernel_syscall_ok()
+{
+       lttng_disable_kernel_syscall 0 ${*}
+}
+
+function lttng_disable_kernel_syscall_fail()
+{
+       lttng_disable_kernel_syscall 1 ${*}
+}
+
 function start_lttng_relayd
 {
        local opt=$1
@@ -628,3 +707,63 @@ function validate_trace
        IFS=$OLDIFS
        return $ret
 }
+
+function validate_trace_exp()
+{
+       local event_exp=$1
+       local trace_path=$2
+
+       which $BABELTRACE_BIN >/dev/null
+       skip $? -ne 0 "Babeltrace binary not found. Skipping trace validation"
+
+       traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | grep ${event_exp} | wc -l)
+       if [ "$traced" -ne 0 ]; then
+               pass "Validate trace for expression '${event_exp}', $traced events"
+       else
+               fail "Validate trace for expression '${event_exp}'"
+               diag "Found $traced occurences of '${event_exp}'"
+       fi
+       ret=$?
+       return $ret
+}
+
+function validate_trace_only_exp()
+{
+       local event_exp=$1
+       local trace_path=$2
+
+       which $BABELTRACE_BIN >/dev/null
+       skip $? -ne 0 "Babeltrace binary not found. Skipping trace matches"
+
+       local count=$($BABELTRACE_BIN $trace_path | grep ${event_exp} | wc -l)
+       local total=$($BABELTRACE_BIN $trace_path | wc -l)
+
+       if [ "$count" -ne 0 ] && [ "$total" -eq "$count" ]; then
+               pass "Trace match with $total for expression '${event_exp}"
+       else
+               fail "Trace match"
+               diag "$total syscall event(s) found, only syscalls matching expression '${event_exp}' ($count occurrences) are expected"
+       fi
+       ret=$?
+       return $ret
+}
+
+function validate_trace_empty()
+{
+       local trace_path=$1
+
+       which $BABELTRACE_BIN >/dev/null
+       if [ $? -ne 0 ]; then
+           skip 0 "Babeltrace binary not found. Skipping trace validation"
+       fi
+
+       traced=$($BABELTRACE_BIN $trace_path 2>/dev/null | wc -l)
+       if [ "$traced" -eq 0 ]; then
+               pass "Validate empty trace"
+       else
+               fail "Validate empty trace"
+               diag "Found $traced events in trace"
+       fi
+       ret=$?
+       return $ret
+}