Print out total time spent executing a type of work packet

Author: caizixian

src/scheduler/stat.rs

@@ -28,6 +28,7 @@ impl SchedulerStat {
         let sum_logs = logs.sum::<f64>();
         (sum_logs / values.len() as f64).exp()
     }
+
     fn min(&self, values: &[f64]) -> f64 {
         let mut min = values[0];
         for v in values {
@@ -37,6 +38,7 @@ impl SchedulerStat {
         }
         min
     }
+
     fn max(&self, values: &[f64]) -> f64 {
         let mut max = values[0];
         for v in values {
@@ -47,6 +49,10 @@ impl SchedulerStat {
         max
     }
 
+    fn sum(&self, values: &[f64]) -> f64 {
+        values.iter().sum()
+    }
+
     pub fn harness_stat(&self) -> HashMap<String, String> {
         let mut stat = HashMap::new();
         // Work counts
@@ -77,6 +83,16 @@ impl SchedulerStat {
                 format!("work.{}.time.geomean", self.work_name(n)),
                 format!("{:.2}", geomean),
             );
+            let sum = self.sum(
+                &durations
+                    .iter()
+                    .map(|d| d.as_nanos() as f64)
+                    .collect::<Vec<_>>(),
+            );
+            stat.insert(
+                format!("work.{}.time.sum", self.work_name(n)),
+                format!("{:.2}", sum),
+            );
         }
         let durations = total_durations
             .iter()