diff --git a/src/bin/html_files/cpu_utilization.ts b/src/bin/html_files/cpu_utilization.ts
index 9f4a8a35..6a8b485e 100644
--- a/src/bin/html_files/cpu_utilization.ts
+++ b/src/bin/html_files/cpu_utilization.ts
@@ -35,6 +35,7 @@ function getUtilizationType(run, elem, type) {
             },
             yaxis: {
                 title: 'CPU Utilization (%)',
+                range: [0, 100],
             },
         };
         Plotly.newPlot(TESTER, cpu_type_datas, layout, { frameMargins: 0 });
diff --git a/src/bin/html_files/perf_stat.ts b/src/bin/html_files/perf_stat.ts
index 3662af62..4d8ea4e9 100644
--- a/src/bin/html_files/perf_stat.ts
+++ b/src/bin/html_files/perf_stat.ts
@@ -44,7 +44,6 @@ function getEvent(run, key, parent_id) {
     http.onload = function () {
         var data = JSON.parse(http.response);
         var perfstat_datas = [];
-        console.log(data);
         data[0].cpus.forEach(function (value, index, arr) {
             var cpu_stat = new StatValue();
             cpu_stat.cpu = value.cpu;
@@ -52,13 +51,11 @@ function getEvent(run, key, parent_id) {
             cpu_stat.y_data = [];
             perfstat_datas.push(cpu_stat);
         });
-        console.log(perfstat_datas);
         data.forEach(function (value, index, arr) {
             value.cpus.forEach(function (stat, i_index, i_arr) {
                 addData(perfstat_datas, stat, value.time.TimeDiff);
             })
         });
-        console.log(perfstat_datas);
         var elem = document.createElement('div');
         elem.style.float = "none";
         addElemToNode(parent_id, elem);
diff --git a/src/data/constants.rs b/src/data/constants.rs
index b0a68fc0..1013ca47 100644
--- a/src/data/constants.rs
+++ b/src/data/constants.rs
@@ -2,3 +2,5 @@ pub static KB_FACTOR: u64 = 1024;
 pub static MB_FACTOR: u64 = 1048576;
 pub static TIME_S_FACTOR: u64 = 1000;
 pub static FACTOR_OF_ONE: u64 = 1;
+pub static MULT_FACTOR_OF_ONE: u64 = 1;
+pub static MULT_SECTORS: u64 = 512;
diff --git a/src/data/diskstats.rs b/src/data/diskstats.rs
index 0e84e7f5..1fd56b16 100644
--- a/src/data/diskstats.rs
+++ b/src/data/diskstats.rs
@@ -212,17 +212,22 @@ fn get_disk_names(value: Diskstats) -> Vec<String> {
 fn get_values(values: Vec<Diskstats>, key: String, unit: String) -> Result<String> {
     let mut ev: BTreeMap<String, DiskValues> = BTreeMap::new();
     let disk_names = get_disk_names(values[0].clone());
-    let mut factor = KB_FACTOR;
+    let mut factor = FACTOR_OF_ONE;
+    let mut mult_factor = MULT_FACTOR_OF_ONE;
     for name in disk_names {
         let dv = DiskValues::new(name.clone());
         ev.insert(name, dv);
     }
+
     if key.contains("Time") {
         factor = TIME_S_FACTOR;
-    } else if "MB" == unit {
-        factor = MB_FACTOR;
-    } else if key.contains("Merged") {
-        factor = FACTOR_OF_ONE;
+    }
+    if key.contains("Sectors") {
+        mult_factor = MULT_SECTORS;
+        factor = KB_FACTOR;
+        if unit == "MB" {
+            factor = MB_FACTOR;
+        }
     }
     let time_zero = values[0].time;
     let mut prev_data = values[0].clone();
@@ -240,7 +245,7 @@ fn get_values(values: Vec<Diskstats>, key: String, unit: String) -> Result<Strin
             if key == "In Progress" {
                 stat_value = *disk.stat.get(&key.clone()).unwrap() as f64;
             } else {
-                stat_value = (*disk.stat.get(&key.clone()).unwrap() as i64 - *prev_value.get(&disk.name).unwrap() as i64) as f64/ factor as f64;
+                stat_value = (*disk.stat.get(&key.clone()).unwrap() as i64 - *prev_value.get(&disk.name).unwrap() as i64) as f64 * mult_factor as f64 / factor as f64;
             }
             let dv = DiskValue {
                 time: (v.time - time_zero),
@@ -266,13 +271,9 @@ fn get_keys(user_unit: String) -> Result<String> {
     for key in DiskstatKeys::iter() {
         let mut unit: String = "Count".to_string();
         if key.to_string().contains("Sectors") {
-            unit = "Sectors".to_string();
+            unit = format!("{} ({})", "Sectors", user_unit);
         } else if key.to_string().contains("Time") {
             unit = "Time (s)".to_string();
-        } else if key.to_string().contains("Merged") {
-            unit = "Merges (Count)".to_string();
-        } else if !key.to_string().contains("In Progress") {
-            unit = format!("{} ({})", key, user_unit);
         }
         end_values.push(Key {name: key.to_string(), unit: unit});
     }
diff --git a/src/data/vmstat.rs b/src/data/vmstat.rs
index 08e53ea0..ae3f303a 100644
--- a/src/data/vmstat.rs
+++ b/src/data/vmstat.rs
@@ -70,20 +70,30 @@ struct VmstatEntry {
 fn get_entry(values: Vec<Vmstat>, key: String) -> Result<String> {
     let mut end_values = Vec::new();
     let time_zero = values[0].time;
+    let mut prev_vmstat = values[0].clone();
     for value in values {
-        let current_vmstat = value;
+        let current_vmstat = value.clone();
         let current_time = current_vmstat.time;
 
         let curr_data = current_vmstat.vmstat_data.clone();
         let curr_value = curr_data
             .get(&key)
             .ok_or(PDError::VisualizerVmstatValueGetError(key.to_string()))?;
+        let prev_data = prev_vmstat.vmstat_data.clone();
+        let prev_value = prev_data
+            .get(&key)
+            .ok_or(PDError::VisualizerVmstatValueGetError(key.to_string()))?;
 
+        let mut v = *curr_value;
+        if !key.contains("nr_") {
+            v = *curr_value - *prev_value;
+        }
         let vmstat_entry = VmstatEntry {
             time: (current_time - time_zero),
-            value: *curr_value,
+            value: v,
         };
         end_values.push(vmstat_entry);
+        prev_vmstat = value.clone();
     }
     Ok(serde_json::to_string(&end_values)?)
 }
@@ -95,26 +105,26 @@ fn get_entries(value: Vmstat) -> Result<String> {
 }
 
 impl GetData for Vmstat {
-	fn process_raw_data(&mut self, buffer: Data) -> Result<ProcessedData> {
+    fn process_raw_data(&mut self, buffer: Data) -> Result<ProcessedData> {
         let raw_value = match buffer {
             Data::VmstatRaw(ref value) => value,
             _ => panic!("Invalid Data type in raw file"),
         };
         let mut vmstat = Vmstat::new();
-		let reader = BufReader::new(raw_value.data.as_bytes());
-		let mut map: HashMap<String, i64> = HashMap::new();
-		for line in reader.lines() {
-			let line = line?;
-			let mut split = line.split_whitespace();
-			let name = split.next().ok_or(PDError::ProcessorOptionExtractError)?;
+	let reader = BufReader::new(raw_value.data.as_bytes());
+	let mut map: HashMap<String, i64> = HashMap::new();
+	for line in reader.lines() {
+            let line = line?;
+            let mut split = line.split_whitespace();
+            let name = split.next().ok_or(PDError::ProcessorOptionExtractError)?;
             let val = split.next().ok_or(PDError::ProcessorOptionExtractError)?;
-			map.insert(name.to_owned(), val.parse::<i64>()?);
-		}
+	    map.insert(name.to_owned(), val.parse::<i64>()?);
+	}
         vmstat.set_time(raw_value.time);
         vmstat.set_data(map);
         let processed_data = ProcessedData::Vmstat(vmstat);
         Ok(processed_data)
-	}
+    }
 
     fn get_data(&mut self, buffer: Vec<ProcessedData>, query: String) -> Result<String> {
         let mut values = Vec::new();