How to use calcDynamicPrio method of prog Package

Best Syzkaller code snippet using prog.calcDynamicPrio

prio.go

Source:prio.go

...22// constants.23func (target *Target) CalculatePriorities(corpus []*Prog) [][]float32 {24	static := target.calcStaticPriorities()25	if len(corpus) != 0 {26		dynamic := target.calcDynamicPrio(corpus)27		for i, prios := range dynamic {28			for j, p := range prios {29				static[i][j] *= p30			}31		}32	}33	return static34}35func (target *Target) calcStaticPriorities() [][]float32 {36	uses := target.calcResourceUsage()37	prios := make([][]float32, len(target.Syscalls))38	for i := range prios {39		prios[i] = make([]float32, len(target.Syscalls))40	}41	var keys []string42	for key := range uses {43		keys = append(keys, key)44	}45	sort.Strings(keys)46	for _, key := range keys {47		weights := make([]weights, 0, len(uses[key]))48		for _, weight := range uses[key] {49			weights = append(weights, weight)50		}51		sort.Slice(weights, func(i, j int) bool {52			return weights[i].call < weights[j].call53		})54		for _, w0 := range weights {55			for _, w1 := range weights {56				if w0.call == w1.call {57					// Self-priority is assigned below.58					continue59				}60				// The static priority is assigned based on the direction of arguments. A higher priority will be61				// assigned when c0 is a call that produces a resource and c1 a call that uses that resource.62				prios[w0.call][w1.call] += w0.inout*w1.in + 0.7*w0.inout*w1.inout63			}64		}65	}66	normalizePrio(prios)67	// The value assigned for self-priority (call wrt itself) have to be high, but not too high.68	for c0, pp := range prios {69		pp[c0] = 0.970	}71	return prios72}73func (target *Target) calcResourceUsage() map[string]map[int]weights {74	uses := make(map[string]map[int]weights)75	ForeachType(target.Syscalls, func(t Type, ctx TypeCtx) {76		c := ctx.Meta77		switch a := t.(type) {78		case *ResourceType:79			if target.AuxResources[a.Desc.Name] {80				noteUsage(uses, c, 0.1, ctx.Dir, "res%v", a.Desc.Name)81			} else {82				str := "res"83				for i, k := range a.Desc.Kind {84					str += "-" + k85					w := 1.086					if i < len(a.Desc.Kind)-1 {87						w = 0.288					}89					noteUsage(uses, c, float32(w), ctx.Dir, str)90				}91			}92		case *PtrType:93			if _, ok := a.Elem.(*StructType); ok {94				noteUsage(uses, c, 1.0, ctx.Dir, "ptrto-%v", a.Elem.Name())95			}96			if _, ok := a.Elem.(*UnionType); ok {97				noteUsage(uses, c, 1.0, ctx.Dir, "ptrto-%v", a.Elem.Name())98			}99			if arr, ok := a.Elem.(*ArrayType); ok {100				noteUsage(uses, c, 1.0, ctx.Dir, "ptrto-%v", arr.Elem.Name())101			}102		case *BufferType:103			switch a.Kind {104			case BufferBlobRand, BufferBlobRange, BufferText:105			case BufferString:106				if a.SubKind != "" {107					noteUsage(uses, c, 0.2, ctx.Dir, fmt.Sprintf("str-%v", a.SubKind))108				}109			case BufferFilename:110				noteUsage(uses, c, 1.0, DirIn, "filename")111			default:112				panic("unknown buffer kind")113			}114		case *VmaType:115			noteUsage(uses, c, 0.5, ctx.Dir, "vma")116		case *IntType:117			switch a.Kind {118			case IntPlain, IntRange:119			default:120				panic("unknown int kind")121			}122		}123	})124	return uses125}126type weights struct {127	call  int128	in    float32129	inout float32130}131func noteUsage(uses map[string]map[int]weights, c *Syscall, weight float32, dir Dir, str string, args ...interface{}) {132	id := fmt.Sprintf(str, args...)133	if uses[id] == nil {134		uses[id] = make(map[int]weights)135	}136	callWeight := uses[id][c.ID]137	callWeight.call = c.ID138	if dir != DirOut {139		if weight > uses[id][c.ID].in {140			callWeight.in = weight141		}142	}143	if weight > uses[id][c.ID].inout {144		callWeight.inout = weight145	}146	uses[id][c.ID] = callWeight147}148func (target *Target) calcDynamicPrio(corpus []*Prog) [][]float32 {149	prios := make([][]float32, len(target.Syscalls))150	for i := range prios {151		prios[i] = make([]float32, len(target.Syscalls))152	}153	for _, p := range corpus {154		for idx0, c0 := range p.Calls {155			for _, c1 := range p.Calls[idx0+1:] {156				id0 := c0.Meta.ID157				id1 := c1.Meta.ID158				prios[id0][id1] += 1.0159			}160		}161	}162	normalizePrio(prios)...

calcDynamicPrio

Using AI Code Generation

1import "fmt"2func main() {3    p1 = prog{1, 2, 3, 4, 5, 6, 7, 8}4    p2 = prog{9, 10, 11, 12, 13, 14, 15, 16}5    fmt.Println(p1.calcDynamicPrio())6    fmt.Println(p2.calcDynamicPrio())7}

calcDynamicPrio

Using AI Code Generation

1import "fmt"2func main() {3    p.calcDynamicPrio(100, 5)4}5import "fmt"6type prog struct {7}8func (p prog) calcDynamicPrio(base, incr int) {9    fmt.Println(p.priority)10}11import "fmt"12type prog struct {13}14func (p prog) calcDynamicPrio(base, incr int) {15    fmt.Println(p.priority)16}17import "fmt"18func main() {19    p.calcDynamicPrio(100, 5)20}

calcDynamicPrio

Using AI Code Generation

1import "fmt"2func main() {3    var p1 = new(prog)4    var p2 = new(prog)5    var p3 = new(prog)6    var p4 = new(prog)7    var p5 = new(prog)8    var p6 = new(prog)9    var p7 = new(prog)10    var p8 = new(prog)11    var p9 = new(prog)12    var p10 = new(prog)13    var p11 = new(prog)14    var p12 = new(prog)15    var p13 = new(prog)16    var p14 = new(prog)17    var p15 = new(prog)18    var p16 = new(prog)19    var p17 = new(prog)20    var p18 = new(prog)21    var p19 = new(prog)22    var p20 = new(prog)23    var p21 = new(prog)24    var p22 = new(prog)25    var p23 = new(prog)26    var p24 = new(prog)27    var p25 = new(prog)28    var p26 = new(prog)29    var p27 = new(prog)30    var p28 = new(prog)31    var p29 = new(prog)32    var p30 = new(prog)33    var p31 = new(prog)34    var p32 = new(prog)35    var p33 = new(prog)36    var p34 = new(prog)37    var p35 = new(prog)38    var p36 = new(prog)39    var p37 = new(prog)40    var p38 = new(prog)41    var p39 = new(prog)42    var p40 = new(prog)43    var p41 = new(prog)44    var p42 = new(prog)45    var p43 = new(prog)46    var p44 = new(prog)47    var p45 = new(prog)48    var p46 = new(prog)49    var p47 = new(prog)50    var p48 = new(prog)51    var p49 = new(prog)52    var p50 = new(prog)53    var p51 = new(prog)54    var p52 = new(prog)55    var p53 = new(prog)56    var p54 = new(prog)57    var p55 = new(prog)58    var p56 = new(prog)59    var p57 = new(prog)60    var p58 = new(prog)61    var p59 = new(prog)62    var p60 = new(prog)

calcDynamicPrio

Using AI Code Generation

1import (2func main() {3    fmt.Println("Enter the no of students")4    fmt.Scanln(&i)5    fmt.Println("Enter the no of courses")6    fmt.Scanln(&j)7    c.calcDynamicPrio(i, j)8}9import (10func main() {11    fmt.Println("Enter the no of students")12    fmt.Scanln(&i)13    fmt.Println("Enter the no of courses")14    fmt.Scanln(&j)15    c.calcDynamicPrio(i, j)16}17import (18func main() {19    fmt.Println("Enter the no of students")20    fmt.Scanln(&i)21    fmt.Println("Enter the no of courses")22    fmt.Scanln(&j)23    c.calcDynamicPrio(i, j)24}25import (26func main() {27    fmt.Println("Enter the no of students")28    fmt.Scanln(&i)29    fmt.Println("Enter the no of courses")30    fmt.Scanln(&j)31    c.calcDynamicPrio(i, j)32}33import (34func main() {35    fmt.Println("Enter the no of students")36    fmt.Scanln(&i)37    fmt.Println("Enter the no of courses")38    fmt.Scanln(&j)39    c.calcDynamicPrio(i, j)40}41import (42func main() {43    fmt.Println("

calcDynamicPrio

Using AI Code Generation

1import (2func main() {3	obj := new(prog)4	obj2 := new(student)5	obj.calcDynamicPrio(obj2)6}7type student struct {8}9type prog struct {10}11func (p *prog) calcDynamicPrio(s *student) {12	fmt.Println("Dynamic priority calculated")13}

calcDynamicPrio

Using AI Code Generation

1import (2func main() {3	prog1.SetPrio(5)4	prog1.SetBurst(10)5	fmt.Println("The dynamic priority is ", prog1.CalcDynamicPrio())6}

calcDynamicPrio

Using AI Code Generation

1func main() {2    p1.calcDynamicPrio(3, 4)3}4import "fmt"5func main() {6    fmt.Println("Hello, world!")7}8type prog struct {9}10func (p prog) calcDynamicPrio(a int, b int) {11}12import "fmt"13func main() {14    fmt.Println("Hello, world!")15}16func main() {17    p1.calcDynamicPrio(3, 4)18}19import "fmt"20func main() {21    fmt.Println("Hello, world!")22}23type prog struct {24}25func (p prog) calcDynamicPrio(a int, b int) {26}27import "fmt"28func main() {29    fmt.Println("Hello, world!")30}31func main() {32    p1.calcDynamicPrio(3, 4)33}34import "fmt"35func main() {36    fmt.Println("Hello, world!")37}38type prog struct {39}40func (p prog) calcDynamicPrio(a int, b int) {41}42import "fmt"43func main() {44    fmt.Println("Hello, world!")45}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.