diff --git a/core/client.js b/core/client.js
index cfa111fc..b61ad254 100644
--- a/core/client.js
+++ b/core/client.js
@@ -484,12 +484,11 @@ function receive(message) {
 			if (!gGraphs[key]) {
 				var graph = {
 					chart: new SmoothieChart({
+							millisPerPixel: 100,
+							minValue: 0,
 							grid: {
-								strokeStyle: 'rgb(125, 0, 0)',
-								fillStyle: 'rgb(60, 0, 0)',
-								lineWidth: 1,
-								millisPerLine: 15000,
-								verticalSections: 6,
+								millisPerLine: 1000,
+								verticalSections: 10,
 							},
 						}),
 					canvas: document.createElement('canvas'),
@@ -503,7 +502,7 @@ function receive(message) {
 				document.getElementById('graphs').appendChild(div);
 				document.getElementById('graphs').appendChild(graph.canvas);
 				graph.chart.streamTo(graph.canvas, 1000);
-				graph.chart.addTimeSeries(graph.timeseries);
+				graph.chart.addTimeSeries(graph.timeseries, {lineWidth: 2});
 			}
 			gGraphs[key].timeseries.append(now, message.stats[key]);
 		}
diff --git a/src/task.c b/src/task.c
index 8266d13e..721dcc78 100644
--- a/src/task.c
+++ b/src/task.c
@@ -98,6 +98,7 @@ typedef struct _tf_task_t
 	uv_timer_t trace_timer;
 	uint64_t last_hrtime;
 	uint64_t last_idle_time;
+	float idle_percent;
 
 	uv_idle_t idle;
 	uv_prepare_t prepare;
@@ -721,6 +722,14 @@ static JSValue _tf_task_getStats(JSContext* context, JSValueConst this_val, int
 	JS_SetPropertyStr(context, result, "import_count", JS_NewInt32(context, task->_import_count));
 	JS_SetPropertyStr(context, result, "export_count", JS_NewInt32(context, task->_export_count));
 	JS_SetPropertyStr(context, result, "promise_count", JS_NewInt32(context, task->_promise_count));
+
+	JS_SetPropertyStr(context, result, "idle_percent", JS_NewFloat64(context, task->idle_percent));
+
+	size_t rss;
+	if (uv_resident_set_memory(&rss) == 0)
+	{
+		JS_SetPropertyStr(context, result, "rss", JS_NewInt64(context, rss));
+	}
 	return result;
 }
 
@@ -1277,6 +1286,9 @@ static void _tf_task_trace_timer(uv_timer_t* timer)
 	tf_task_t* task = timer->data;
 	uint64_t hrtime = uv_hrtime();
 	uint64_t idle_time = uv_metrics_idle_time(&task->_loop);
+	task->idle_percent = (hrtime - task->last_hrtime) ? 100.0f * (idle_time - task->last_idle_time) / (hrtime - task->last_hrtime) : 0.0f;
+	task->last_hrtime = hrtime;
+	task->last_idle_time = idle_time;
 	const char* k_names[] =
 	{
 		"child_tasks",
@@ -1291,10 +1303,8 @@ static void _tf_task_trace_timer(uv_timer_t* timer)
 		task->_import_count,
 		task->_export_count,
 		task->_promise_count,
-		(hrtime - task->last_hrtime) ? 100LL * (idle_time - task->last_idle_time) / (hrtime - task->last_hrtime) : 0,
+		(int64_t)task->idle_percent,
 	};
-	task->last_hrtime = hrtime;
-	task->last_idle_time = idle_time;
 	tf_trace_counter(task->_trace, "task", sizeof(k_names) / sizeof(*k_names), k_names, values);
 }