soong_zip: move profiling from zip library to soong_zip

Profiling is only used by the standalone soong_zip command,
move it out of the shared zip library.

Bug: 116751500
Test: m checkbuild
Change-Id: I443c34fb39cf8955e163a7720d6f7ed585e4172a

zip/cmd/main.go

@@ -20,6 +20,8 @@ import (
 	"io/ioutil"
 	"os"
 	"runtime"
+	"runtime/pprof"
+	"runtime/trace"
 	"strconv"
 	"strings"
 
@@ -154,6 +156,32 @@ func main() {
 		flags.Usage()
 	}
 
+	if *cpuProfile != "" {
+		f, err := os.Create(*cpuProfile)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		defer f.Close()
+		pprof.StartCPUProfile(f)
+		defer pprof.StopCPUProfile()
+	}
+
+	if *traceFile != "" {
+		f, err := os.Create(*traceFile)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		defer f.Close()
+		err = trace.Start(f)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, err.Error())
+			os.Exit(1)
+		}
+		defer trace.Stop()
+	}
+
 	if fileArgsBuilder.Error() != nil {
 		fmt.Fprintln(os.Stderr, fileArgsBuilder.Error())
 		os.Exit(1)
@@ -162,8 +190,6 @@ func main() {
 	err := zip.Run(zip.ZipArgs{
 		FileArgs:                 fileArgsBuilder.FileArgs(),
 		OutputFilePath:           *out,
-		CpuProfileFilePath:       *cpuProfile,
-		TraceFilePath:            *traceFile,
 		EmulateJar:               *emulateJar,
 		AddDirectoryEntriesToZip: *directories,
 		CompressionLevel:         *compLevel,

zip/zip.go

@@ -25,8 +25,6 @@ import (
 	"log"
 	"os"
 	"path/filepath"
-	"runtime/pprof"
-	"runtime/trace"
 	"sort"
 	"strings"
 	"sync"
@@ -196,8 +194,6 @@ type zipEntry struct {
 type ZipArgs struct {
 	FileArgs                 []FileArg
 	OutputFilePath           string
-	CpuProfileFilePath       string
-	TraceFilePath            string
 	EmulateJar               bool
 	AddDirectoryEntriesToZip bool
 	CompressionLevel         int
@@ -251,32 +247,6 @@ func ReadRespFile(bytes []byte) []string {
 }
 
 func Run(args ZipArgs) (err error) {
-	if args.CpuProfileFilePath != "" {
-		f, err := os.Create(args.CpuProfileFilePath)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		defer f.Close()
-		pprof.StartCPUProfile(f)
-		defer pprof.StopCPUProfile()
-	}
-
-	if args.TraceFilePath != "" {
-		f, err := os.Create(args.TraceFilePath)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		defer f.Close()
-		err = trace.Start(f)
-		if err != nil {
-			fmt.Fprintln(os.Stderr, err.Error())
-			os.Exit(1)
-		}
-		defer trace.Stop()
-	}
-
 	if args.OutputFilePath == "" {
 		return fmt.Errorf("output file path must be nonempty")
 	}