diff --git a/trace_agg_unit_test/tests/data/sample_traces.csv b/trace_agg_unit_test/tests/data/sample_traces.csv
new file mode 100644
index 0000000..5e072be
--- /dev/null
+++ b/trace_agg_unit_test/tests/data/sample_traces.csv
@@ -0,0 +1,6 @@
+timestamp,event_type,value
+0.000001,clocksource,100.0
+0.000005,clocksource,105.0
+0.000010,clocksource_switch,1.0
+0.000015,clocksource,110.0
+0.000020,clocksource,115.0