我有一个在Linux上运行的C++应用程序,我正在优化它.如何确定代码的哪些区域运行缓慢？
I'm trying to use sprof to profile some software (ossim) where almost all the code is in a shared library. I've generated a profiling file, but when I run sprof, I get the following error:
> sprof /home/eca7215/usr/lib/libossim.so.1 libossim.so.1.profile -p > log
Inconsistency detected by ld.so: dl-open.c: 612: _dl_open: Assertion `_dl_debug_initialize (0, args.nsid)->r_state == RT_CONSISTENT' failed!
The instructions I was following said that I needed libc version at least 2.5-34, I have libc version 2.12.2 (Gentoo, kernel 2.6.36-r5).
I can't …