Messages in this thread | | | From | Namhyung Kim <> | Date | Fri, 5 Sep 2014 10:42:07 +0900 | Subject | Re: [PATCH] perf tools: Fix build-id matching on vmlinux |
| |
On Fri, Sep 5, 2014 at 10:18 AM, Arnaldo Carvalho de Melo <acme@kernel.org> wrote: > Em Fri, Sep 05, 2014 at 09:09:49AM +0900, Namhyung Kim escreveu: >> The perf report rebuilds machine states from the event records only. In >> this case, the kernel map was recorded in the name of [kernel.kallsyms] >> so it couldn't find the build-id from the table. > > Ok, but then we can special case this one, no? > > Somehow mark in the buildid table that that entry is the one for the > kernel and hook it up to the synthesized event that has the > [kernel.kallsyms].ref_reloc_sym entry.
Maybe we can search vmlinux in machine->kernel_dsos first when processing kernel mmap event. And in this case do you want replace the name of mapping to a fullname of vmlinux?
Thanks, Namhyung
| |