On Thu, Oct 31, 2013 at 09:09:32AM +0100, Ingo Molnar wrote: > > > * Namhyung Kim <namhy...@kernel.org> wrote: > > > When the -g cumulative option is given, it'll be shown like this: > > > > $ perf report -g cumulative --stdio > > > > # Overhead Overhead (Acc) Command Shared Object > > Symbol > > # ........ .............. ....... ................. > > ....................... > > # > > 0.00% 88.29% abc libc-2.17.so [.] > > __libc_start_main > > 0.00% 88.29% abc abc [.] main > > > > 0.00% 88.29% abc abc [.] c > > > > 0.00% 88.29% abc abc [.] b > > > > 88.29% 88.29% abc abc [.] a > > > > 0.00% 11.61% abc ld-2.17.so [k] > > _dl_sysdep_start > > 0.00% 9.43% abc ld-2.17.so [.] dl_main > > > > 9.43% 9.43% abc ld-2.17.so [.] > > _dl_relocate_object > > 2.27% 2.27% abc [kernel.kallsyms] [k] page_fault > > > > 0.00% 2.18% abc ld-2.17.so [k] > > _dl_start_user > > 0.00% 0.10% abc ld-2.17.so [.] _start > > > > > > As you can see __libc_start_main -> main -> c -> b -> a callchain > > show up in the output. > > This looks really useful! > > A couple of details: > > 1) > > This is pretty close to SysProf output, right? So why not use the > well-known SysProf naming and call the first column 'self' and the > second column 'total'? I think those names are pretty intuitive and > it would help people who come from SysProf over to perf.
Makes sense. Or "Overhead" and "Total overhead"? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
