WebMar 21, 2024 · Gprof is a performance analysis tool for Unix applications. It uses a hybrid of instrumentation and sampling [1] and was created as extended version of the older "prof" tool. Unlike prof, gprof is capable of limited call graph collecting and printing. [1] [2] perf is Linux-only modern tool for statistical profiling. http://sam.zoy.org/writings/programming/gprof.html
linux 编译Binutils2.4 - Sizaif
Web默认的2.34 包含的 Objdump,gprof,BDF,lld,等是不兼容最新的DWARF-V5的. 而Clang-14-g 生成的编译信息是以DWARF-V5 最新版本为基础的, 所以就会出现如下错误: DWARF error: invalid or unhandled FORM value: 0x25. 困扰许久 WebMay 23, 2024 · gprof was invented specifically because prof only gives you "self time". "self time" tells you what fraction of the total time the program counter is found in each routine. That's fine if the only kinds of "bottlenecks" you need to consider are solved by shaving cycles at the bottom of the call stack. space saving bed couch
performance - linux: is there any job that "gprof" can do while …
WebAug 20, 2024 · gprof统计各个函数的运行时间是采用的抽样的方法,周期性的查看Programcounter指向哪一个函数的地址段,并把结果以直方图的形式保存下来。 使用方式 编译时加 -pg 选项,程序正常退出时,生成 gmon.out ,通过 gprof 可以查看 gmon.out 中的统 … WebDownload and Install Gprof First check whether or not the tool is already installed on your system. To do this, just run the following command in a terminal. $ gprof If you get an … WebOct 27, 2016 · Now I want to generate a call graph using gprof which shows calling sequence of functions in main program as well as those inside libtrain.so I am compiling and linking both packages with -pg option and debugging level is o0. After I do ./train-test , gmon.out is generated. Then I do: $ gprof -q ./train-test gmon.out space saving bread box