Update app.py

app.py

@@ -97,7 +97,8 @@ for block in sample_data['chain']:
             temp[name_list.find(t['id'])] += int(t['data'])
         elif t['kind'] == "out":
             temp[name_list.find(t['id'])] = 0
-    
+
+
 col1, col2, col3 = st.columns(3)
 col1.metric("Total GPU", f"{total_gpu} GB", f"{user_num} users are sharing now")
 col2.metric("Used", f"{used_gpu} GB")
@@ -105,7 +106,9 @@ col3.metric("Percent", f"{100 * used_gpu/total_gpu} %",)
 
 chart_data = pd.DataFrame(timestamp_gpu_data)
 
-st.area_chart(chart_data)
+last_timestamp = sample_data['chain'][-1]['timestamp']
+st.area_chart(chart_data, caption=f'last updated in timestamp {last_timestamp}.')
+
 
 
 class BubbleChart: