Alternative performance metrics in the terminal (#986)

tests/snapshots/integration_tests__json_export_single_run.snap

@@ -1,5 +1,6 @@
 ---
 source: tests/integration_tests.rs
+assertion_line: 1294
 info:
   program: hyperfine
   args:
@@ -23,6 +24,7 @@ exit_code: 0
       "architecture": "[architecture]"
     }
   },
+  "primary_metric": "time_wall_clock",
   "results": [
     {
       "command": "sleep 1",
@@ -32,6 +34,10 @@ exit_code: 0
             "value": 1.0,
             "unit": "second"
           },
+          "time_cpu": {
+            "value": 0.0,
+            "unit": "second"
+          },
           "time_user": {
             "value": 0.0,
             "unit": "second"
@@ -48,16 +54,16 @@ exit_code: 0
         }
       ],
       "summary": {
-        "time_wall_clock": {
-          "unit": "second",
+        "memory_peak_resident": {
+          "unit": "byte",
           "count": 1,
-          "mean": 1.0,
+          "mean": 0.0,
           "stddev": null,
-          "median": 1.0,
-          "min": 1.0,
-          "max": 1.0
+          "median": 0.0,
+          "min": 0.0,
+          "max": 0.0
         },
-        "time_user": {
+        "time_cpu": {
           "unit": "second",
           "count": 1,
           "mean": 0.0,
@@ -75,14 +81,23 @@ exit_code: 0
           "min": 0.0,
           "max": 0.0
         },
-        "memory_peak_resident": {
-          "unit": "byte",
+        "time_user": {
+          "unit": "second",
           "count": 1,
           "mean": 0.0,
           "stddev": null,
           "median": 0.0,
           "min": 0.0,
           "max": 0.0
+        },
+        "time_wall_clock": {
+          "unit": "second",
+          "count": 1,
+          "mean": 1.0,
+          "stddev": null,
+          "median": 1.0,
+          "min": 1.0,
+          "max": 1.0
         }
       }
     }