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[Bug 1796791] Re: ubuntu_ftrace_smoke_test time outed on X-4.15 / B-4.15

To: canonical-ubuntu-qa@xxxxxxxxxxxxxxxxxxx
From: Jürg Häfliger <1796791@xxxxxxxxxxxxxxxxxx>
Date: Fri, 18 Apr 2025 10:50:33 -0000
Reply-to: Bug 1796791 <1796791@xxxxxxxxxxxxxxxxxx>
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** Tags added: kernel-daily-bug

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https://bugs.launchpad.net/bugs/1796791

Title:
  ubuntu_ftrace_smoke_test time outed on X-4.15 / B-4.15

Status in ubuntu-kernel-tests:
  Fix Released

Bug description:
  The test was killed.
  Compared to the test in X-4.4 (https://pastebin.ubuntu.com/p/hQDvv9qXFx/), it looks like the "tracer function can be enabled" is the one got killed. 

  Output:
    PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-4.15.0-36-generic)
    PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-4.15.0-36-generic)
    PASSED (CONFIG_STACK_TRACER=y in /boot/config-4.15.0-36-generic)
    PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-4.15.0-36-generic)
    PASSED all expected /sys/kernel/debug/tracing files exist
    PASSED (function_graph in /sys/kernel/debug/tracing/available_tracers)
    PASSED (function in /sys/kernel/debug/tracing/available_tracers)
    PASSED (nop in /sys/kernel/debug/tracing/available_tracers)
    PASSED (function can be enabled)
    PASSED (SyS_write traces found must be > 32, got 5575)
    PASSED (function_graph can be enabled)
    PASSED (vfs_write traces found must be > 32, got 10726)
    PASSED (tracer hwlat can be enabled (got 10 lines of tracing output))
    PASSED (tracer blk can be enabled (got 2 lines of tracing output))
    PASSED (tracer mmiotrace can be enabled (got 9 lines of tracing output))
    PASSED (tracer function_graph can be enabled (got 55991 lines of tracing output))
    PASSED (tracer wakeup_dl can be enabled (got 2 lines of tracing output))
    PASSED (tracer wakeup_rt can be enabled (got 44 lines of tracing output))
    PASSED (tracer wakeup can be enabled (got 60 lines of tracing output))
    TIMEOUT 1431
    KILLING 1431
    FAILED: aborting, timeout, took way too long to complete

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.15.0-36-generic 4.15.0-36.39~16.04.1
  ProcVersionSignature: User Name 4.15.0-36.39~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-36-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  Date: Tue Oct  9 04:59:56 2018
  SourcePackage: linux-signed-hwe
  UpgradeStatus: No upgrade log present (probably fresh install)

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