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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}

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