Newer perf+atom #44
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Newer perf+atom #44
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added 2 commits
May 10, 2017 04:39
This keeps breaking autofdo. perf 4.7 always generates a TIME_CONV event which causes create_gcov to fail. This patch makes the perf parser ignore all the perf record generated events. To avoid this problem in the future I predicted the range beyond the current records.
Older Atom CPUs don't have predicted/mispredicted bits in the LBR, so set neither predicted nor mispredicted. The perf reader has a sanity check that either of these bits have to be set. Just remove the check.
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Andi, Thanks for the commit! Please sign the CLA and then I'll merge this pull request. Thanks, |
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I just tested this branch on the latest Linux & perf (both compiled from 4.13) and after applying the patch autofdo could successfully read my Thanks for the patch @andikleen ! |
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Here are two patches fixing autofdo for newer perf versions and for Atom CPUs.