X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=tests%2Futils%2Futils.sh;h=da2efe91a72264b93cd5c67b8d46cf28c53408d2;hp=c59442b22c09cc45db2c5118a46aa75a30c25cc1;hb=086e6add1bf22aa48ef5a3c3e800eea7020a1fed;hpb=8d5841ea483139d3ab2f2b4dd39263dad63832b1

diff --git a/tests/utils/utils.sh b/tests/utils/utils.sh
index c59442b22..da2efe91a 100644
--- a/tests/utils/utils.sh
+++ b/tests/utils/utils.sh
@@ -735,6 +735,24 @@ function enable_lttng_mmap_overwrite_kernel_channel()
 	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
@@ -1276,6 +1294,18 @@ function validate_trace
 	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