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How to use dumpCallCoverage method of main Package

Best Syzkaller code snippet using main.dumpCallCoverage

execprog.go

Source:execprog.go

...219		})220	}221	log.Logf(0, "ncomps=%v ncandidates=%v", ncomps, ncandidates)222}223func (ctx *Context) dumpCallCoverage(coverFile string, info *ipc.CallInfo) {224	if len(info.Cover) == 0 {225		return226	}227	buf := new(bytes.Buffer)228	for _, pc := range info.Cover {229		fmt.Fprintf(buf, "0x%x\n", cover.RestorePC(pc, 0xffffffff))230	}231	err := osutil.WriteFile(coverFile, buf.Bytes())232	if err != nil {233		log.Fatalf("failed to write coverage file: %v", err)234	}235}236func (ctx *Context) dumpCoverage(coverFile string, info *ipc.ProgInfo) {237	for i, inf := range info.Calls {238		log.Logf(0, "call #%v: signal %v, coverage %v", i, len(inf.Signal), len(inf.Cover))239		ctx.dumpCallCoverage(fmt.Sprintf("%v.%v", coverFile, i), &inf)240	}241	log.Logf(0, "extra: signal %v, coverage %v", len(info.Extra.Signal), len(info.Extra.Cover))242	ctx.dumpCallCoverage(fmt.Sprintf("%v.extra", coverFile), &info.Extra)243}244func (ctx *Context) getProgramIndex() int {245	ctx.posMu.Lock()246	idx := ctx.pos247	ctx.pos++248	if idx%len(ctx.entries) == 0 && time.Since(ctx.lastPrint) > 5*time.Second {249		log.Logf(0, "executed programs: %v", idx)250		ctx.lastPrint = time.Now()251	}252	ctx.posMu.Unlock()253	return idx254}255func loadPrograms(target *prog.Target, files []string) []*prog.LogEntry {256	var entries []*prog.LogEntry...

dumpCallCoverage

Using AI Code Generation

1import (2func main() {3	f, err := os.Create("trace.out")4	if err != nil {5		panic(err)6	}7	defer f.Close()8	err = trace.Start(f)9	if err != nil {10		panic(err)11	}12	defer trace.Stop()13	main1()14}15func main1() {16	for i := 0; i < 100; i++ {17		foo()18	}19}20func foo() {21	bar()22}23func bar() {24	baz()25}26func baz() {27	fmt.Println("hello")28}29import (30func main() {31	f, err := os.Create("trace.out")32	if err != nil {33		panic(err)34	}35	defer f.Close()36	err = trace.Start(f)37	if err != nil {38		panic(err)39	}40	defer trace.Stop()41	main1()42}43func main1() {44	for i := 0; i < 100; i++ {45		foo()46	}47}48func foo() {49	bar()50}51func bar() {52	baz()53}54func baz() {55	fmt.Println("hello")56}57import (58func main() {59	f, err := os.Create("trace.out")60	if err != nil {61		panic(err)62	}63	defer f.Close()64	err = trace.Start(f)65	if err != nil {66		panic(err)67	}68	defer trace.Stop()69	main1()70}71func main1() {72	for i := 0; i < 100; i++ {73		foo()74	}75}76func foo() {77	bar()78}79func bar() {80	baz()81}82func baz() {83	fmt.Println("hello")84}85import (86func main() {87	f, err := os.Create("trace.out")88	if err != nil {89		panic(err)

dumpCallCoverage

Using AI Code Generation

1import (2func main() {3	go func() {4		c := make(chan os.Signal, 1)5		signal.Notify(c, syscall.SIGINT)6		dumpCallCoverage()7		os.Exit(0)8	}()9	for i := 0; i < 1000; i++ {10		fmt.Println("hello")11	}12}13func dumpCallCoverage() {14	data := debug.CallCoverage()15	f, err := os.Create("coverage.out")16	if err != nil {17		fmt.Println(err)18	}19	defer f.Close()20	if _, err := f.Write(data); err != nil {21		fmt.Println(err)22	}23}24import (25func main() {26	go func() {27		c := make(chan os.Signal, 1)28		signal.Notify(c, syscall.SIGINT)29		viewCallCoverage()30		os.Exit(0)31	}()32	for i := 0; i < 1000; i++ {33		fmt.Println("hello")34	}35}36func viewCallCoverage() {37	data := debug.CallCoverage()38	f, err := os.Create("coverage.out")39	if err != nil {40		fmt.Println(err)41	}42	defer f.Close()43	if _, err := f.Write(data); err != nil {44		fmt.Println(err)45	}46	data, err = os.ReadFile("coverage.out")47	if err != nil {48		fmt.Println(err)49	}50	debug.ViewCallCoverage(data)51}52import (

dumpCallCoverage

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("hello world")4    dumpCallCoverage()5}6import "fmt"7func main() {8    fmt.Println("hello world")9    dumpCallCoverage()10}11import "fmt"12func main() {13    fmt.Println("hello world")14    dumpCallCoverage()15}16import "fmt"17func main() {18    fmt.Println("hello world")19    dumpCallCoverage()20}21import "fmt"22func main() {23    fmt.Println("hello world")24    dumpCallCoverage()25}26import "fmt"27func main() {28    fmt.Println("hello world")29    dumpCallCoverage()30}31import "fmt"32func main() {33    fmt.Println("hello world")34    dumpCallCoverage()35}36import "fmt"37func main() {38    fmt.Println("hello world")39    dumpCallCoverage()40}41import "fmt"42func main() {43    fmt.Println("hello world")44    dumpCallCoverage()45}46import "fmt"47func main() {48    fmt.Println("hello world")49    dumpCallCoverage()50}51import "fmt"52func main() {53    fmt.Println("hello world")54    dumpCallCoverage()55}56import "fmt"57func main() {58    fmt.Println("hello world")59    dumpCallCoverage()60}

dumpCallCoverage

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, World!")4    dumpCallCoverage()5}6import "fmt"7func main() {8    fmt.Println("Hello, World!")9    dumpCallCoverage()10}11import "fmt"12func main() {13    fmt.Println("Hello, World!")14    dumpCallCoverage()15}16import "fmt"17func main() {18    fmt.Println("Hello, World!")19    dumpCallCoverage()20}21import "fmt"22func main() {23    fmt.Println("Hello, World!")24    dumpCallCoverage()25}26import "fmt"27func main() {28    fmt.Println("Hello, World!")29    dumpCallCoverage()30}31import "fmt"32func main() {33    fmt.Println("Hello, World!")34    dumpCallCoverage()35}36import "fmt"37func main() {38    fmt.Println("Hello, World!")39    dumpCallCoverage()40}41import "fmt"42func main() {43    fmt.Println("Hello, World!")44    dumpCallCoverage()45}46import "fmt"47func main() {48    fmt.Println("Hello, World!")49    dumpCallCoverage()50}51import "fmt"52func main() {53    fmt.Println("Hello, World!")54    dumpCallCoverage()55}56import "fmt"57func main() {

dumpCallCoverage

Using AI Code Generation

1import (2func main() {3	go func() {4		for i := 0; i < 1000; i++ {5			fmt.Println("Hello World")6		}7	}()8	time.Sleep(1 * time.Second)9}10import (11func main() {12	go func() {13		for i := 0; i < 1000; i++ {14			fmt.Println("Hello World")15		}16	}()17	time.Sleep(1 * time.Second)18}19import (20func main() {21	go func() {22		for i := 0; i < 1000; i++ {23			fmt.Println("Hello World")24		}25	}()26	time.Sleep(1 * time.Second)27}28import (29func main() {30	go func() {31		for i := 0; i < 1000; i++ {32			fmt.Println("Hello World")33		}34	}()35	time.Sleep(1 * time.Second)36}37import (38func main() {39	go func() {40		for i := 0; i < 1000; i++ {41			fmt.Println("Hello World")42		}43	}()44	time.Sleep(1 * time.Second)45}46import (47func main() {48	go func() {49		for i := 0; i < 1000; i++ {50			fmt.Println("Hello World")51		}52	}()53	time.Sleep(1 * time.Second)54}55import (

dumpCallCoverage

Using AI Code Generation

1func main() {2    c := NewCoverage()3    c.DumpCallCoverage()4}5func (c *Coverage) DumpCallCoverage() {6    fmt.Println("Dumping call coverage")7}8func TestDumpCallCoverage(t *testing.T) {9    c := NewCoverage()10    c.DumpCallCoverage()11}

dumpCallCoverage

Using AI Code Generation

1func main() {2    coverage := []byte("Hello World")3    dumpCallCoverage(coverage)4}5func dumpCallCoverage(coverage []byte) {6    println(string(coverage))7}8The dumpCallCoverage() function is defined in the 1.go file and called in the 2.go file, but the coverage is defined

dumpCallCoverage

Using AI Code Generation

1import (2func main() {3	flag.Parse()4	f, err := os.Create("cpu.prof")5	if err != nil {6		log.Fatal(err)7	}8	pprof.StartCPUProfile(f)9	defer pprof.StopCPUProfile()10	dumpCallCoverage()11}12func dumpCallCoverage() {13	f, err := os.Create("coverage.prof")14	if err != nil {15		log.Fatal(err)16	}17	pprof.WriteHeapProfile(f)18	defer f.Close()19	f2, err := os.Create("call.out")20	if err != nil {21		log.Fatal(err)22	}23	pprof.Lookup("callgrind").WriteTo(f2, 1)24	defer f2.Close()25}26import (27func main() {28	flag.Parse()29	f, err := os.Create("cpu.prof")30	if err != nil {31		log.Fatal(err)32	}33	pprof.StartCPUProfile(f)34	defer pprof.StopCPUProfile()35	dumpBlockCoverage()36}37func dumpBlockCoverage() {38	f, err := os.Create("coverage.prof")39	if err != nil {40		log.Fatal(err)41	}42	pprof.WriteHeapProfile(f)43	defer f.Close()44	f2, err := os.Create("block.out")45	if err != nil {46		log.Fatal(err)47	}48	pprof.Lookup("block").WriteTo(f2, 1)49	defer f2.Close()50}51package test;

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