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Groups > linux.kernel > #1498211
| From | Anton Blanchard <anton@samba.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: perf TUI fails with "failed to process type: 64" |
| Date | 2016-10-10 12:20 +0200 |
| Message-ID | <sqFQB-8tb-11@gated-at.bofh.it> (permalink) |
| References | <sqaWt-63w-3@gated-at.bofh.it> <sqB0C-5wj-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi Michael, > > 14c00-14c00 g exc_virt_0x4c00_system_call > ^ > What's this? The address? If so it's wrong? Offset into the binary I think, there's one 64kB page of ELF gunk at the start. > Seems likely. But I can't see why. > > AFAICS we have never emitted a size for those symbols: > > Old: > $ nm --print-size build/vmlinux | grep -w system_call_relon_pSeries > c000000000004c00 T system_call_relon_pSeries > > New: > $ nm --print-size build/vmlinux | grep -w exc_virt_0x4c00_system_call > c000000000004c00 T exc_virt_0x4c00_system_call > > > It also doesn't look like we're emitting another symbol with the same > address, which has caused confusion in the past: > > Old: > c000000000004c00 T exc_virt_0x4c00_system_call > c000000000004d00 T exc_virt_0x4d00_single_step > > New: > c000000000004c00 T system_call_relon_pSeries > c000000000004d00 T single_step_relon_pSeries > > So more digging required. Thanks for checking, it's starting to sound like a perf bug. Anton
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perf TUI fails with "failed to process type: 64" Anton Blanchard <anton@samba.org> - 2016-10-09 03:20 +0200
Re: perf TUI fails with "failed to process type: 64" Michael Ellerman <mpe@ellerman.id.au> - 2016-10-10 07:10 +0200
Re: perf TUI fails with "failed to process type: 64" Nicholas Piggin <npiggin@gmail.com> - 2016-10-10 08:00 +0200
Re: perf TUI fails with "failed to process type: 64" Anton Blanchard <anton@samba.org> - 2016-10-10 12:20 +0200
Re: perf TUI fails with "failed to process type: 64" Michael Ellerman <mpe@ellerman.id.au> - 2016-10-10 12:40 +0200
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