. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 22.3 IO 输出的上下文信息 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 22.4 使用文件 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 311 33.2 抽取有用信息 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 33.3 错误处理 1213 93.1 报告和分析崩溃（段错误） . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1213 版本/环境信息 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1213 Segfaults

. . . . . . . . . . . . . . . . . . . . . . . . . 446 34 Stack Traces 448 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 448 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 445 34 Stack Traces 447 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 445 34 Stack Traces 447 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 445 34 Stack Traces 447 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 445 34 Stack Traces 447 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 435 34 Stack Traces 437 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 435 34 Stack Traces 437 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 435 34 Stack Traces 437 34.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437 34.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1) Consequently, this child function Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile

. . . . . . . . . . . . . . . . . . . . . . . . . 409 33 Stack Traces 410 33.1 Viewing a stack trace . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 410 33.2 Extracting useful information were to profile dumbsum3, and a backtrace was taken while it was executing dumbsum(1), the back- trace would look like this: dumbsum3 dumbsum(3) dumbsum(2) dumbsum(1)CHAPTER 32. PROFILING 406 Consequently Julia 1.8 This functionality requires at least Julia 1.8. The allocation profiler records the stack trace, type, and size of each allocation while it is running. It can be invoked with Profile.Allocs.@profile