问题描述
我习惯于gprof来分析我的C代码，但是我想开始使用基于GUI的Windows应用程序，例如Luke Stackwalker. gprof在我的二进制文件上可以很好地工作，但是Luke Stackwalker有一些问题:
I'm used to gprof for profiling my C code, but I want to start using a GUI-based Windows application such as Luke Stackwalker. gprof works perfectly fine on my binary, but Luke Stackwalker has some issues:
Launching executable C:\lshare\POT03\Eclipse\Debug\POTaak3.exe.
SymInit: Symbol-SearchPath: ';.;C:\Program Files\Luke Stackwalker;C:\Program Files\Luke Stackwalker;C:\WINDOWS;C:\WINDOWS\system32;SRV*C:\websymbols*http://msdl.microsoft.com/download/symbols;', symOptions: 530, UserName: 'Pieter'
OS-Version: 5.1.2600 (Service Pack 3) 0x100-0x1
C:\lshare\POT03\Eclipse\Debug\POTaak3.exe:POTaak3.exe (00400000), size: 61440, SymType: '-unknown-', PDB: '$Tƒ|'
C:\WINDOWS\system32\ntdll.dll:ntdll.dll (7C900000), size: 753664, SymType: '-unknown-', PDB: '©Uƒ|'
C:\WINDOWS\system32\kernel32.dll:kernel32.dll (7C7D0000), size: 1048576, SymType: '-unknown-', PDB: '©Uƒ|'
C:\WINDOWS\system32\msvcrt.dll:msvcrt.dll (77BE0000), size: 360448, SymType: '-unknown-', PDB: '©Uƒ|'
ERROR: SymGetModuleInfo64, GetLastError: 1114 (Address: 7C90E514)
Sorting profile data.
Done; 2 samples collected at 1.$ samples/second.
谁在现在的枪声中枪杀了谁?我在这里做错了什么?我确实记得使用-pg标志.
Who shot the who in the what now? What am I doing wrong here? I did remember to use the -pg flag.
推荐答案
我了解您为什么要 gprof 以外的其他内容.卢克·斯塔克沃克(Luke Stackwalker)提取堆栈样本，但是(我最后一次检查)它没有总结在代码行级别使用的壁钟时间(包括在内)的百分比.在Linux上，您可以使用 lsstack 或 pstack ，并且Windows上必须有一个类似的工具.在您的情况下，我仅依靠IDE中的暂停"按钮执行 stackshots .
I understand why you want something other than gprof. Luke Stackwalker takes stack samples, but (last time I checked) it doesn't summarize inclusive % of wall-clock time used at the level of lines of code. On Linux, you could use lsstack or pstack, and there must be a similar tool on Windows. In your situation, I just rely on the pause button in the IDE to take stackshots.
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