Em Wed, Jun 14, 2017 at 04:19:51PM +0200, Jiri Olsa escreveu: > On Wed, Jun 14, 2017 at 10:52:42AM -0300, Arnaldo Carvalho de Melo wrote: > > SNIP > > > > > And what defines it is... > > > > tools/perf/util/libunwind/x86_32.c:#define REMOTE_UNWIND_LIBUNWIND > > > > (and a arm64 file, but lets leave that aside, seems unrelated to this > > case) > > > > That will get built by... > > > > tools/perf/util/Build:libperf-$(CONFIG_LIBUNWIND_X86) += > > libunwind/x86_32.o > > > > [acme@jouet linux]$ grep CONFIG_LIBUNWIND_X86 > > /tmp/build/perf/.config-detected > > [acme@jouet linux]$ > > > > Ingo, are you doing something unusual as building a 32-bit perf to read a > > 62-bit perf.data file? > > > > Jiri, can you help here? Do you need more info? > > hum, looks like local unwind support wasn't compiled in for some reason > > Ingo, what's the arch of host and perf data?
amd64/x86_64, ubuntu, libunwind version 8, perhaps this version has a problem? See the other message I replied to Ingo, added you to the CC. - Arnaldo
