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Markdown output from DumpDebugStats

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This commit is contained in:
Adam Scarr 2017-08-13 15:42:51 +10:00
parent 79b7cc082c
commit f633909141
2 changed files with 28 additions and 26 deletions
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9
debugon.go
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@ -139,12 +139,13 @@ func DisableLogging() {
// DumpDebugStats will print out the curring timings for each parser if built with -tags debug // DumpDebugStats will print out the curring timings for each parser if built with -tags debug
func DumpDebugStats() { func DumpDebugStats() {
sort.Slice(parsers, func(i, j int) bool { sort.Slice(parsers, func(i, j int) bool {
return parsers[i].Self >= parsers[j].Self return parsers[i].Cumulative >= parsers[j].Cumulative
}) })
fmt.Println("Parser stats:") fmt.Println()
fmt.Println(" var name matches total time self time calls errors location ") fmt.Println("| var name | matches | total time | self time | calls | errors | location ")
fmt.Println("| -------------------- | -------------------- | --------------- | --------------- | ---------- | ---------- | ----------")
for _, parser := range parsers { for _, parser := range parsers {
fmt.Printf("%20s %20s %15s %15s %10d calls %10d errors %s\n", parser.Var, parser.Match, parser.Cumulative.String(), parser.Self.String(), parser.Calls, parser.Errors, parser.Location) fmt.Printf("| %20s | %20s | %15s | %15s | %10d | %10d | %s\n", parser.Var, parser.Match, parser.Cumulative.String(), parser.Self.String(), parser.Calls, parser.Errors, parser.Location)
} }
} }

45
readme.md
View File

@ -84,28 +84,29 @@ ok github.com/vektah/goparsify/html 0.118s
### debugging performance ### debugging performance
If you build the parser with -tags debug it will instrument each parser and a call to DumpDebugStats() will show stats: If you build the parser with -tags debug it will instrument each parser and a call to DumpDebugStats() will show stats:
```
var name matches total time self time calls errors location | var name | matches | total time | self time | calls | errors | location
_value Any() 5.1725682s 57.0243ms 878801 calls 0 errors json.go:36 | -------------------- | -------------------- | --------------- | --------------- | ---------- | ---------- | ----------
_properties string literal 131.5662ms 45.0273ms 818185 calls 0 errors json.go:14 | _value | Any() | 5.0685431s | 34.0131ms | 878801 | 0 | json.go:36
_properties Seq() 3.579274s 42.016ms 818185 calls 0 errors json.go:14 | _object | Seq() | 3.7513821s | 10.5038ms | 161616 | 40403 | json.go:24
_properties , 50.5254ms 35.5182ms 818185 calls 121213 errors json.go:14 | _properties | Some() | 3.6863512s | 5.5028ms | 121213 | 0 | json.go:14
_properties : 51.5256ms 35.0183ms 818185 calls 0 errors json.go:14 | _properties | Seq() | 3.4912614s | 46.0229ms | 818185 | 0 | json.go:14
_string string literal 78.0462ms 28.0172ms 671723 calls 136369 errors json.go:12 | _array | Seq() | 931.4679ms | 3.5014ms | 65660 | 55558 | json.go:16
_number number literal 34.5187ms 15.5065ms 287886 calls 106066 errors json.go:13 | _array | Some() | 911.4597ms | 0s | 10102 | 0 | json.go:16
_null null 17.011ms 8.5058ms 252538 calls 252535 errors json.go:9 | _properties | string literal | 126.0662ms | 44.5201ms | 818185 | 0 | json.go:14
_properties Some() 3.7588588s 7.5023ms 121213 calls 0 errors json.go:14 | _string | string literal | 67.033ms | 26.0126ms | 671723 | 136369 | json.go:12
_object { 10.5049ms 7.0029ms 161616 calls 40403 errors json.go:24 | _properties | : | 50.0238ms | 45.0205ms | 818185 | 0 | json.go:14
_true true 10.0072ms 6.505ms 252537 calls 232332 errors json.go:10 | _properties | , | 48.5189ms | 36.0146ms | 818185 | 121213 | json.go:14
_false false 9.0039ms 4.5032ms 232333 calls 222229 errors json.go:11 | _number | number literal | 28.5159ms | 10.5062ms | 287886 | 106066 | json.go:13
_object Seq() 3.81739s 4.5016ms 161616 calls 40403 errors json.go:24 | _true | true | 17.5086ms | 12.5069ms | 252537 | 232332 | json.go:10
_array [ 5.0013ms 4.0011ms 65660 calls 55558 errors json.go:16 | _null | null | 14.5082ms | 11.007ms | 252538 | 252535 | json.go:9
_object } 5.5023ms 2.5021ms 121213 calls 0 errors json.go:24 | _object | } | 10.5051ms | 10.5033ms | 121213 | 0 | json.go:24
_array , 2.0018ms 1.5026ms 50509 calls 10102 errors json.go:16 | _false | false | 10.5049ms | 5.0019ms | 232333 | 222229 | json.go:11
_array Some() 933.4591ms 500.8µs 10102 calls 0 errors json.go:16 | _object | { | 10.0046ms | 5.0052ms | 161616 | 40403 | json.go:24
_array Seq() 952.9664ms 0s 65660 calls 55558 errors json.go:16 | _array | , | 4.5024ms | 4.0018ms | 50509 | 10102 | json.go:16
_array ] 0s 0s 10102 calls 0 errors json.go:16 | _array | [ | 4.5014ms | 2.0006ms | 65660 | 55558 | json.go:16
``` | _array | ] | 0s | 0s | 10102 | 0 | json.go:16
All times are cumulative, it would be nice to break this down into a parse tree with relative times. This is a nice addition to pprof as it will break down the parsers based on where they are used instead of grouping them all by type. All times are cumulative, it would be nice to break this down into a parse tree with relative times. This is a nice addition to pprof as it will break down the parsers based on where they are used instead of grouping them all by type.
This is **free** when the debug tag isnt used. This is **free** when the debug tag isnt used.