Merge pull request #125 from hyangah/master

internal/report: change the format of tags command output

internal/driver/driver_test.go

 	"crypto/tls"
 	"crypto/x509"
 	"encoding/pem"
+	"flag"
 	"fmt"
 	"io/ioutil"
 	"math/big"
 	"github.com/google/pprof/profile"
 )
 
+var updateFlag = flag.Bool("update", false, "Update the golden files")
+
 func TestParse(t *testing.T) {
 	// Override weblist command to collect output in buffer
 	pprofCommands["weblist"].postProcess = nil
 				t.Fatalf("diff %s %v", solution, err)
 			}
 			t.Errorf("%s\n%s\n", solution, d)
+			if *updateFlag {
+				err := ioutil.WriteFile(solution, b, 0644)
+				if err != nil {
+					t.Errorf("failed to update the solution file %q: %v", solution, err)
+				}
+			}
 		}
 	}
 }

internal/driver/testdata/pprof.cpu.tags

-key1: Total 1120
-      1000 (89.29%): tag1
-       100 ( 8.93%): tag2
-        10 ( 0.89%): tag3
-        10 ( 0.89%): tag4
+ key1: Total 1.1s
+          1.0s (89.29%): tag1
+       100.0ms ( 8.93%): tag2
+        10.0ms ( 0.89%): tag3
+        10.0ms ( 0.89%): tag4
 
-key2: Total 1020
-      1010 (99.02%): tag1
-        10 ( 0.98%): tag2
+ key2: Total 1.0s
+         1.0s (99.02%): tag1
+       10.0ms ( 0.98%): tag2
 
-key3: Total 100
-       100 (  100%): tag2
+ key3: Total 100.0ms
+       100.0ms (  100%): tag2
 

internal/driver/testdata/pprof.cpu.tags.focus.ignore

-key1: Total 100
-       100 (  100%): tag2
+ key1: Total 100.0ms
+       100.0ms (  100%): tag2
 
-key3: Total 100
-       100 (  100%): tag2
+ key3: Total 100.0ms
+       100.0ms (  100%): tag2
 

internal/driver/testdata/pprof.heap.tags

-bytes: Total 150
-        80 (53.33%): 400kB
-        40 (26.67%): 1.56MB
-        20 (13.33%): 200kB
-        10 ( 6.67%): 100kB
+ bytes: Total 98.6MB
+          62.5MB (63.37%): 1.56MB
+          31.2MB (31.68%): 400kB
+           3.9MB ( 3.96%): 200kB
+        1000.0kB ( 0.99%): 100kB
 

internal/driver/testdata/pprof.heap.tags.unit

-bytes: Total 150
-        80 (53.33%): 409600B
-        40 (26.67%): 1638400B
-        20 (13.33%): 204800B
-        10 ( 6.67%): 102400B
+ bytes: Total 103424000.0B
+        65536000.0B (63.37%): 1638400B
+        32768000.0B (31.68%): 409600B
+         4096000.0B ( 3.96%): 204800B
+         1024000.0B ( 0.99%): 102400B
 

internal/report/report.go

 	"sort"
 	"strconv"
 	"strings"
+	"text/tabwriter"
 	"time"
 
 	"github.com/google/pprof/internal/graph"
 	for _, s := range p.Sample {
 		for key, vals := range s.Label {
 			for _, val := range vals {
-				if valueMap, ok := tagMap[key]; ok {
-					valueMap[val] = valueMap[val] + s.Value[0]
-					continue
+				valueMap, ok := tagMap[key]
+				if !ok {
+					valueMap = make(map[string]int64)
+					tagMap[key] = valueMap
 				}
-				valueMap := make(map[string]int64)
-				valueMap[val] = s.Value[0]
-				tagMap[key] = valueMap
+				valueMap[val] += o.SampleValue(s.Value)
 			}
 		}
 		for key, vals := range s.NumLabel {
 			for _, nval := range vals {
 				val := formatTag(nval, key)
-				if valueMap, ok := tagMap[key]; ok {
-					valueMap[val] = valueMap[val] + s.Value[0]
-					continue
+				valueMap, ok := tagMap[key]
+				if !ok {
+					valueMap = make(map[string]int64)
+					tagMap[key] = valueMap
 				}
-				valueMap := make(map[string]int64)
-				valueMap[val] = s.Value[0]
-				tagMap[key] = valueMap
+				valueMap[val] += o.SampleValue(s.Value)
 			}
 		}
 	}
 	for key := range tagMap {
 		tagKeys = append(tagKeys, &graph.Tag{Name: key})
 	}
+	tabw := tabwriter.NewWriter(w, 0, 0, 1, ' ', tabwriter.AlignRight)
 	for _, tagKey := range graph.SortTags(tagKeys, true) {
 		var total int64
 		key := tagKey.Name
 			tags = append(tags, &graph.Tag{Name: t, Flat: c})
 		}
 
-		fmt.Fprintf(w, "%s: Total %d\n", key, total)
+		f, u := measurement.Scale(total, o.SampleUnit, o.OutputUnit)
+		fmt.Fprintf(tabw, "%s:\t Total %.1f%s\n", key, f, u)
 		for _, t := range graph.SortTags(tags, true) {
+			f, u := measurement.Scale(t.FlatValue(), o.SampleUnit, o.OutputUnit)
 			if total > 0 {
-				fmt.Fprintf(w, "  %8d (%s): %s\n", t.FlatValue(),
-					percentage(t.FlatValue(), total), t.Name)
+				fmt.Fprintf(tabw, " \t%.1f%s (%s):\t %s\n", f, u, percentage(t.FlatValue(), total), t.Name)
 			} else {
-				fmt.Fprintf(w, "  %8d: %s\n", t.FlatValue(), t.Name)
+				fmt.Fprintf(tabw, " \t%.1f%s:\t %s\n", f, u, t.Name)
 			}
 		}
-		fmt.Fprintln(w)
+		fmt.Fprintln(tabw)
 	}
-	return nil
+	return tabw.Flush()
 }
 
 // printComments prints all freeform comments in the profile.