      axisLabel: {
                        formatter: function (val) {
                            return val + ' ms';
                        }
                    }
                },
                yAxis: {
                    data: categories
                },
                series: [{
                    type: 'custom',
                    renderItem: renderItem,
                    itemStyle: {
                        opacity: 0.8
                    },
                    encode: {
               