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|
; ModuleID = 'bpftrace'
source_filename = "bpftrace"
target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128"
target triple = "bpf"
%"struct map_internal_repr_t" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.0" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.1" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.2" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.3" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.4" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.5" = type { ptr, ptr, ptr, ptr }
%"struct map_internal_repr_t.6" = type { ptr, ptr }
%kstack_key = type { i64, i64 }
@LICENSE = global [4 x i8] c"GPL\00", section "license", !dbg !0
@AT_x = dso_local global %"struct map_internal_repr_t" zeroinitializer, section ".maps", !dbg !7
@AT_y = dso_local global %"struct map_internal_repr_t.0" zeroinitializer, section ".maps", !dbg !26
@AT_z = dso_local global %"struct map_internal_repr_t.1" zeroinitializer, section ".maps", !dbg !28
@stack_perf_127 = dso_local global %"struct map_internal_repr_t.2" zeroinitializer, section ".maps", !dbg !30
@stack_bpftrace_6 = dso_local global %"struct map_internal_repr_t.3" zeroinitializer, section ".maps", !dbg !50
@stack_bpftrace_127 = dso_local global %"struct map_internal_repr_t.4" zeroinitializer, section ".maps", !dbg !59
@stack_scratch = dso_local global %"struct map_internal_repr_t.5" zeroinitializer, section ".maps", !dbg !61
@ringbuf = dso_local global %"struct map_internal_repr_t.6" zeroinitializer, section ".maps", !dbg !71
@__bt__event_loss_counter = dso_local externally_initialized global [1 x [1 x i64]] zeroinitializer, section ".data.event_loss_counter", !dbg !85
@__bt__max_cpu_id = dso_local externally_initialized constant i64 0, section ".rodata", !dbg !89
; Function Attrs: nounwind
declare i64 @llvm.bpf.pseudo(i64 %0, i64 %1) #0
; Function Attrs: nounwind
define i64 @kprobe_f_1(ptr %0) #0 section "s_kprobe_f_1" !dbg !95 {
entry:
%"@z_key" = alloca i64, align 8
%lookup_stack_scratch_key19 = alloca i32, align 4
%stack_key16 = alloca %kstack_key, align 8
%"@y_key" = alloca i64, align 8
%lookup_stack_scratch_key5 = alloca i32, align 4
%stack_key2 = alloca %kstack_key, align 8
%"@x_key" = alloca i64, align 8
%lookup_stack_scratch_key = alloca i32, align 4
%stack_key = alloca %kstack_key, align 8
call void @llvm.lifetime.start.p0(i64 -1, ptr %stack_key)
call void @llvm.memset.p0.i64(ptr align 1 %stack_key, i8 0, i64 16, i1 false)
call void @llvm.lifetime.start.p0(i64 -1, ptr %lookup_stack_scratch_key)
store i32 0, ptr %lookup_stack_scratch_key, align 4
%lookup_stack_scratch_map = call ptr inttoptr (i64 1 to ptr)(ptr @stack_scratch, ptr %lookup_stack_scratch_key)
call void @llvm.lifetime.end.p0(i64 -1, ptr %lookup_stack_scratch_key)
%lookup_stack_scratch_cond = icmp ne ptr %lookup_stack_scratch_map, null
br i1 %lookup_stack_scratch_cond, label %lookup_stack_scratch_merge, label %lookup_stack_scratch_failure
stack_scratch_failure: ; preds = %lookup_stack_scratch_failure
br label %merge_block
merge_block: ; preds = %stack_scratch_failure, %get_stack_success, %get_stack_fail
call void @llvm.lifetime.start.p0(i64 -1, ptr %"@x_key")
store i64 0, ptr %"@x_key", align 8
%update_elem1 = call i64 inttoptr (i64 2 to ptr)(ptr @AT_x, ptr %"@x_key", ptr %stack_key, i64 0)
call void @llvm.lifetime.end.p0(i64 -1, ptr %"@x_key")
call void @llvm.lifetime.start.p0(i64 -1, ptr %stack_key2)
call void @llvm.memset.p0.i64(ptr align 1 %stack_key2, i8 0, i64 16, i1 false)
call void @llvm.lifetime.start.p0(i64 -1, ptr %lookup_stack_scratch_key5)
store i32 0, ptr %lookup_stack_scratch_key5, align 4
%lookup_stack_scratch_map6 = call ptr inttoptr (i64 1 to ptr)(ptr @stack_scratch, ptr %lookup_stack_scratch_key5)
call void @llvm.lifetime.end.p0(i64 -1, ptr %lookup_stack_scratch_key5)
%lookup_stack_scratch_cond9 = icmp ne ptr %lookup_stack_scratch_map6, null
br i1 %lookup_stack_scratch_cond9, label %lookup_stack_scratch_merge8, label %lookup_stack_scratch_failure7
lookup_stack_scratch_failure: ; preds = %entry
br label %stack_scratch_failure
lookup_stack_scratch_merge: ; preds = %entry
%probe_read_kernel = call i64 inttoptr (i64 113 to ptr)(ptr %lookup_stack_scratch_map, i32 1016, ptr null)
%get_stack = call i64 inttoptr (i64 67 to ptr)(ptr %0, ptr %lookup_stack_scratch_map, i32 1016, i64 0)
%1 = icmp sge i64 %get_stack, 0
br i1 %1, label %get_stack_success, label %get_stack_fail
get_stack_success: ; preds = %lookup_stack_scratch_merge
%2 = udiv i64 %get_stack, 8
%3 = getelementptr %kstack_key, ptr %stack_key, i64 0, i32 1
store i64 %2, ptr %3, align 8
%4 = trunc i64 %2 to i8
%murmur_hash_2 = call i64 @murmur_hash_2(ptr %lookup_stack_scratch_map, i8 %4, i64 1)
%5 = getelementptr %kstack_key, ptr %stack_key, i64 0, i32 0
store i64 %murmur_hash_2, ptr %5, align 8
%update_elem = call i64 inttoptr (i64 2 to ptr)(ptr @stack_bpftrace_127, ptr %stack_key, ptr %lookup_stack_scratch_map, i64 0)
br label %merge_block
get_stack_fail: ; preds = %lookup_stack_scratch_merge
br label %merge_block
stack_scratch_failure3: ; preds = %lookup_stack_scratch_failure7
br label %merge_block4
merge_block4: ; preds = %stack_scratch_failure3, %get_stack_success10, %get_stack_fail11
call void @llvm.lifetime.start.p0(i64 -1, ptr %"@y_key")
store i64 0, ptr %"@y_key", align 8
%update_elem15 = call i64 inttoptr (i64 2 to ptr)(ptr @AT_y, ptr %"@y_key", ptr %stack_key2, i64 0)
call void @llvm.lifetime.end.p0(i64 -1, ptr %"@y_key")
call void @llvm.lifetime.start.p0(i64 -1, ptr %stack_key16)
call void @llvm.memset.p0.i64(ptr align 1 %stack_key16, i8 0, i64 16, i1 false)
call void @llvm.lifetime.start.p0(i64 -1, ptr %lookup_stack_scratch_key19)
store i32 0, ptr %lookup_stack_scratch_key19, align 4
%lookup_stack_scratch_map20 = call ptr inttoptr (i64 1 to ptr)(ptr @stack_scratch, ptr %lookup_stack_scratch_key19)
call void @llvm.lifetime.end.p0(i64 -1, ptr %lookup_stack_scratch_key19)
%lookup_stack_scratch_cond23 = icmp ne ptr %lookup_stack_scratch_map20, null
br i1 %lookup_stack_scratch_cond23, label %lookup_stack_scratch_merge22, label %lookup_stack_scratch_failure21
lookup_stack_scratch_failure7: ; preds = %merge_block
br label %stack_scratch_failure3
lookup_stack_scratch_merge8: ; preds = %merge_block
call void @llvm.memset.p0.i64(ptr align 1 %lookup_stack_scratch_map6, i8 0, i64 48, i1 false)
%get_stack12 = call i64 inttoptr (i64 67 to ptr)(ptr %0, ptr %lookup_stack_scratch_map6, i32 48, i64 0)
%6 = icmp sge i64 %get_stack12, 0
br i1 %6, label %get_stack_success10, label %get_stack_fail11
get_stack_success10: ; preds = %lookup_stack_scratch_merge8
%7 = udiv i64 %get_stack12, 8
%8 = getelementptr %kstack_key, ptr %stack_key2, i64 0, i32 1
store i64 %7, ptr %8, align 8
%9 = trunc i64 %7 to i8
%murmur_hash_213 = call i64 @murmur_hash_2(ptr %lookup_stack_scratch_map6, i8 %9, i64 1)
%10 = getelementptr %kstack_key, ptr %stack_key2, i64 0, i32 0
store i64 %murmur_hash_213, ptr %10, align 8
%update_elem14 = call i64 inttoptr (i64 2 to ptr)(ptr @stack_bpftrace_6, ptr %stack_key2, ptr %lookup_stack_scratch_map6, i64 0)
br label %merge_block4
get_stack_fail11: ; preds = %lookup_stack_scratch_merge8
br label %merge_block4
stack_scratch_failure17: ; preds = %lookup_stack_scratch_failure21
br label %merge_block18
merge_block18: ; preds = %stack_scratch_failure17, %get_stack_success25, %get_stack_fail26
call void @llvm.lifetime.start.p0(i64 -1, ptr %"@z_key")
store i64 0, ptr %"@z_key", align 8
%update_elem30 = call i64 inttoptr (i64 2 to ptr)(ptr @AT_z, ptr %"@z_key", ptr %stack_key16, i64 0)
call void @llvm.lifetime.end.p0(i64 -1, ptr %"@z_key")
ret i64 0
lookup_stack_scratch_failure21: ; preds = %merge_block4
br label %stack_scratch_failure17
lookup_stack_scratch_merge22: ; preds = %merge_block4
%probe_read_kernel24 = call i64 inttoptr (i64 113 to ptr)(ptr %lookup_stack_scratch_map20, i32 1016, ptr null)
%get_stack27 = call i64 inttoptr (i64 67 to ptr)(ptr %0, ptr %lookup_stack_scratch_map20, i32 1016, i64 0)
%11 = icmp sge i64 %get_stack27, 0
br i1 %11, label %get_stack_success25, label %get_stack_fail26
get_stack_success25: ; preds = %lookup_stack_scratch_merge22
%12 = udiv i64 %get_stack27, 8
%13 = getelementptr %kstack_key, ptr %stack_key16, i64 0, i32 1
store i64 %12, ptr %13, align 8
%14 = trunc i64 %12 to i8
%murmur_hash_228 = call i64 @murmur_hash_2(ptr %lookup_stack_scratch_map20, i8 %14, i64 1)
%15 = getelementptr %kstack_key, ptr %stack_key16, i64 0, i32 0
store i64 %murmur_hash_228, ptr %15, align 8
%update_elem29 = call i64 inttoptr (i64 2 to ptr)(ptr @stack_perf_127, ptr %stack_key16, ptr %lookup_stack_scratch_map20, i64 0)
br label %merge_block18
get_stack_fail26: ; preds = %lookup_stack_scratch_merge22
br label %merge_block18
}
; Function Attrs: alwaysinline nounwind
define internal i64 @murmur_hash_2(ptr %0, i8 %1, i64 %2) #1 section "helpers" {
entry:
%k = alloca i64, align 8
%i = alloca i8, align 1
%id = alloca i64, align 8
%seed_addr = alloca i64, align 8
%nr_stack_frames_addr = alloca i8, align 1
call void @llvm.lifetime.start.p0(i64 -1, ptr %nr_stack_frames_addr)
call void @llvm.lifetime.start.p0(i64 -1, ptr %seed_addr)
call void @llvm.lifetime.start.p0(i64 -1, ptr %id)
call void @llvm.lifetime.start.p0(i64 -1, ptr %i)
call void @llvm.lifetime.start.p0(i64 -1, ptr %k)
store i8 %1, ptr %nr_stack_frames_addr, align 1
store i64 %2, ptr %seed_addr, align 8
%3 = load i8, ptr %nr_stack_frames_addr, align 1
%4 = zext i8 %3 to i64
%5 = mul i64 %4, -4132994306676758123
%6 = load i64, ptr %seed_addr, align 8
%7 = xor i64 %6, %5
store i64 %7, ptr %id, align 8
store i8 0, ptr %i, align 1
br label %while_cond
while_cond: ; preds = %while_body, %entry
%8 = load i8, ptr %nr_stack_frames_addr, align 1
%9 = load i8, ptr %i, align 1
%length.cmp = icmp ult i8 %9, %8
br i1 %length.cmp, label %while_body, label %while_end
while_body: ; preds = %while_cond
%10 = load i8, ptr %i, align 1
%11 = getelementptr i64, ptr %0, i8 %10
%12 = load i64, ptr %11, align 8
store i64 %12, ptr %k, align 8
%13 = load i64, ptr %k, align 8
%14 = mul i64 %13, -4132994306676758123
store i64 %14, ptr %k, align 8
%15 = load i64, ptr %k, align 8
%16 = lshr i64 %15, 47
%17 = load i64, ptr %k, align 8
%18 = xor i64 %17, %16
store i64 %18, ptr %k, align 8
%19 = load i64, ptr %k, align 8
%20 = mul i64 %19, -4132994306676758123
store i64 %20, ptr %k, align 8
%21 = load i64, ptr %k, align 8
%22 = load i64, ptr %id, align 8
%23 = xor i64 %22, %21
store i64 %23, ptr %id, align 8
%24 = load i64, ptr %id, align 8
%25 = mul i64 %24, -4132994306676758123
store i64 %25, ptr %id, align 8
%26 = load i8, ptr %i, align 1
%27 = add i8 %26, 1
store i8 %27, ptr %i, align 1
br label %while_cond
while_end: ; preds = %while_cond
call void @llvm.lifetime.end.p0(i64 -1, ptr %nr_stack_frames_addr)
call void @llvm.lifetime.end.p0(i64 -1, ptr %seed_addr)
call void @llvm.lifetime.end.p0(i64 -1, ptr %i)
call void @llvm.lifetime.end.p0(i64 -1, ptr %k)
%28 = load i64, ptr %id, align 8
%zero_cond = icmp eq i64 %28, 0
br i1 %zero_cond, label %if_zero, label %if_end
if_zero: ; preds = %while_end
store i64 1, ptr %id, align 8
br label %if_end
if_end: ; preds = %if_zero, %while_end
%29 = load i64, ptr %id, align 8
call void @llvm.lifetime.end.p0(i64 -1, ptr %id)
ret i64 %29
}
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg %0, ptr nocapture %1) #2
; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg %0, ptr nocapture %1) #2
; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly %0, i8 %1, i64 %2, i1 immarg %3) #3
attributes #0 = { nounwind }
attributes #1 = { alwaysinline nounwind }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
!llvm.dbg.cu = !{!91}
!llvm.module.flags = !{!93, !94}
!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
!1 = distinct !DIGlobalVariable(name: "LICENSE", linkageName: "global", scope: !2, file: !2, type: !3, isLocal: false, isDefinition: true)
!2 = !DIFile(filename: "bpftrace.bpf.o", directory: ".")
!3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32, elements: !5)
!4 = !DIBasicType(name: "int8", size: 8, encoding: DW_ATE_signed)
!5 = !{!6}
!6 = !DISubrange(count: 4, lowerBound: 0)
!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression())
!8 = distinct !DIGlobalVariable(name: "AT_x", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!9 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !10)
!10 = !{!11, !17, !18, !21}
!11 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !12, size: 64)
!12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !13, size: 64)
!13 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 32, elements: !15)
!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
!15 = !{!16}
!16 = !DISubrange(count: 1, lowerBound: 0)
!17 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !12, size: 64, offset: 64)
!18 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !19, size: 64, offset: 128)
!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !20, size: 64)
!20 = !DIBasicType(name: "int64", size: 64, encoding: DW_ATE_signed)
!21 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !22, size: 64, offset: 192)
!22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23, size: 64)
!23 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 128, elements: !24)
!24 = !{!25}
!25 = !DISubrange(count: 16, lowerBound: 0)
!26 = !DIGlobalVariableExpression(var: !27, expr: !DIExpression())
!27 = distinct !DIGlobalVariable(name: "AT_y", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!28 = !DIGlobalVariableExpression(var: !29, expr: !DIExpression())
!29 = distinct !DIGlobalVariable(name: "AT_z", linkageName: "global", scope: !2, file: !2, type: !9, isLocal: false, isDefinition: true)
!30 = !DIGlobalVariableExpression(var: !31, expr: !DIExpression())
!31 = distinct !DIGlobalVariable(name: "stack_perf_127", linkageName: "global", scope: !2, file: !2, type: !32, isLocal: false, isDefinition: true)
!32 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !33)
!33 = !{!34, !39, !44, !45}
!34 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !35, size: 64)
!35 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64)
!36 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 288, elements: !37)
!37 = !{!38}
!38 = !DISubrange(count: 9, lowerBound: 0)
!39 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !40, size: 64, offset: 64)
!40 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !41, size: 64)
!41 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 4194304, elements: !42)
!42 = !{!43}
!43 = !DISubrange(count: 131072, lowerBound: 0)
!44 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !22, size: 64, offset: 128)
!45 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !46, size: 64, offset: 192)
!46 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !47, size: 64)
!47 = !DICompositeType(tag: DW_TAG_array_type, baseType: !20, size: 8128, elements: !48)
!48 = !{!49}
!49 = !DISubrange(count: 127, lowerBound: 0)
!50 = !DIGlobalVariableExpression(var: !51, expr: !DIExpression())
!51 = distinct !DIGlobalVariable(name: "stack_bpftrace_6", linkageName: "global", scope: !2, file: !2, type: !52, isLocal: false, isDefinition: true)
!52 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !53)
!53 = !{!34, !39, !44, !54}
!54 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !2, file: !2, baseType: !55, size: 64, offset: 192)
!55 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !56, size: 64)
!56 = !DICompositeType(tag: DW_TAG_array_type, baseType: !20, size: 384, elements: !57)
!57 = !{!58}
!58 = !DISubrange(count: 6, lowerBound: 0)
!59 = !DIGlobalVariableExpression(var: !60, expr: !DIExpression())
!60 = distinct !DIGlobalVariable(name: "stack_bpftrace_127", linkageName: "global", scope: !2, file: !2, type: !32, isLocal: false, isDefinition: true)
!61 = !DIGlobalVariableExpression(var: !62, expr: !DIExpression())
!62 = distinct !DIGlobalVariable(name: "stack_scratch", linkageName: "global", scope: !2, file: !2, type: !63, isLocal: false, isDefinition: true)
!63 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 256, elements: !64)
!64 = !{!65, !17, !68, !45}
!65 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !66, size: 64)
!66 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !67, size: 64)
!67 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 192, elements: !57)
!68 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !2, file: !2, baseType: !69, size: 64, offset: 128)
!69 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !70, size: 64)
!70 = !DIBasicType(name: "int32", size: 32, encoding: DW_ATE_signed)
!71 = !DIGlobalVariableExpression(var: !72, expr: !DIExpression())
!72 = distinct !DIGlobalVariable(name: "ringbuf", linkageName: "global", scope: !2, file: !2, type: !73, isLocal: false, isDefinition: true)
!73 = !DICompositeType(tag: DW_TAG_structure_type, scope: !2, file: !2, size: 128, elements: !74)
!74 = !{!75, !80}
!75 = !DIDerivedType(tag: DW_TAG_member, name: "type", scope: !2, file: !2, baseType: !76, size: 64)
!76 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !77, size: 64)
!77 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 864, elements: !78)
!78 = !{!79}
!79 = !DISubrange(count: 27, lowerBound: 0)
!80 = !DIDerivedType(tag: DW_TAG_member, name: "max_entries", scope: !2, file: !2, baseType: !81, size: 64, offset: 64)
!81 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !82, size: 64)
!82 = !DICompositeType(tag: DW_TAG_array_type, baseType: !14, size: 8388608, elements: !83)
!83 = !{!84}
!84 = !DISubrange(count: 262144, lowerBound: 0)
!85 = !DIGlobalVariableExpression(var: !86, expr: !DIExpression())
!86 = distinct !DIGlobalVariable(name: "__bt__event_loss_counter", linkageName: "global", scope: !2, file: !2, type: !87, isLocal: false, isDefinition: true)
!87 = !DICompositeType(tag: DW_TAG_array_type, baseType: !88, size: 64, elements: !15)
!88 = !DICompositeType(tag: DW_TAG_array_type, baseType: !20, size: 64, elements: !15)
!89 = !DIGlobalVariableExpression(var: !90, expr: !DIExpression())
!90 = distinct !DIGlobalVariable(name: "__bt__max_cpu_id", linkageName: "global", scope: !2, file: !2, type: !20, isLocal: false, isDefinition: true)
!91 = distinct !DICompileUnit(language: DW_LANG_C, file: !2, producer: "bpftrace", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, globals: !92)
!92 = !{!0, !7, !26, !28, !30, !50, !59, !61, !71, !85, !89}
!93 = !{i32 2, !"Debug Info Version", i32 3}
!94 = !{i32 7, !"uwtable", i32 0}
!95 = distinct !DISubprogram(name: "kprobe_f_1", linkageName: "kprobe_f_1", scope: !2, file: !2, type: !96, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !91, retainedNodes: !99)
!96 = !DISubroutineType(types: !97)
!97 = !{!20, !98}
!98 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !4, size: 64)
!99 = !{!100}
!100 = !DILocalVariable(name: "ctx", arg: 1, scope: !95, file: !2, type: !98)
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