Comments (10)
xry111
commented on April 28, 2024
It's also breaking my GCC tree-prof testsuite.
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jingoo
commented on April 28, 2024
I also have the same issue 'Unknown event type 79'.
Is there anyone who fixed this problem?
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jingoo
commented on April 28, 2024
I found that the number '79' means PERF_RECORD_TIME_CONV.
Also, the patch for PERF_RECORD_TIME_CONV was already merged into the 'perf' source code in Linux kernel.
(https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=46bc29b970f0011a9099077f1db8f3540aa829fe)
I hope that my opinion is helpful.
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marxin
commented on April 28, 2024
You're right, but problem is that the event is not recognized by autofdo. I've just wrote email to Andi Kleen. Hope he'll help us.
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marxin
commented on April 28, 2024
It's fixed on master.
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MartinNowak
commented on April 28, 2024
Hello @marxin, I'm still running into this issue. Are you sure the fix was merged and landed in the github repo?
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danielcdh
commented on April 28, 2024
Yes, it should have been fixed by b46d431
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jacksgt
commented on April 28, 2024
Weird, I still have this issue.
- Linux: 4.13.0-rc6+ (from git master)
- Perf: 4.13.rc6.g647081 (from git master)
- AutoFDO: master HEAD (153c178)
$ ~/autofdo/create_gcov --binary=./simple --profile=perf.inj --gcov=sort.gcov -gcov_version=1
E0830 05:50:06.959956 5916 perf_reader.cc:996] Unsupported event type 79
F0830 05:50:06.960176 5916 perf_parser.cc:240] Check failed: reader_.ReadPerfSampleInfo(*parsed_event.raw_event, &sample_info)
*** Check failure stack trace: ***
@ 0x559ed4a6238e google::LogMessage::Flush()
@ 0x559ed4a65359 google::LogMessageFatal::~LogMessageFatal()
@ 0x559ed4a58ba2 quipper::PerfParser::MaybeSortParsedEvents()
@ 0x559ed4a5a2c9 quipper::PerfParser::ProcessEvents()
@ 0x559ed4a5ba4c quipper::PerfParser::ParseRawEvents()
@ 0x559ed4a3c2d0 autofdo::PerfDataSampleReader::Append()
@ 0x559ed4a3b793 autofdo::SampleReader::ReadAndSetTotalCount()
@ 0x559ed4a34332 autofdo::ProfileCreator::ReadSample()
@ 0x559ed4a35202 autofdo::ProfileCreator::CreateProfile()
@ 0x559ed4a2570d main
@ 0x7f58fb47f2b1 (unknown)
@ 0x559ed4a26f0a _start
@ (nil) (unknown)
Aborted
@danielcdh I also made sure the commit b46d431 is part of my build.
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VictorRodriguez
commented on April 28, 2024
This patch worked for me with linux 4.12, autofdo master and perf 4.12 :
andikleen@de91694
thanks
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jacksgt
commented on April 28, 2024
@VictorRodriguez Thanks for the hint, works like a charm! 👍
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Related Issues (20)
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