ccb3a8294a
We were storing a copy of kallsyms inside perf.data file so that we could resolve kernel addresses to function (start, name, mod) tuples, but that can be achieved using the symbol resolving routines we have in symbols.c, and that are used elsewhere in tools/perf. So, do just like 'perf trace' did and ask libtraceevent to use perf's symbol resolution routines. The next step is to just skip whatever kallsyms data is embedded in older perf.data files and finally to stop storing kallsyms in the perf data file, as the 20-bytes build-id stored in perf.data's header is enough to find out the right symtab (be it ELF, kcore, kallsyms, etc) to use. Acked-by: David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-d0rtb8tk9j72pz0ehw5fnp24@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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