Public bug reported:
This issue was only spotted on this instance, test passed on other instances:
FAILED (SyS_write or ksys_write traces found must be > 32, got 27)
Reproduce rate: 4/4
stdout:
PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-4.4.0-1043-aws)
PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-4.4.0-1043-aws)
PASSED (CONFIG_STACK_TRACER=y in /boot/config-4.4.0-1043-aws)
PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-4.4.0-1043-aws)
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)
FAILED (SyS_write or ksys_write traces found must be > 32, got 27)
PASSED (function_graph can be enabled)
PASSED (vfs_write traces found must be > 32, got 180104)
PASSED (tracer blk can be enabled (got 2 lines of tracing output))
PASSED (tracer mmiotrace can be enabled (got 11 lines of tracing output))
PASSED (tracer function_graph can be enabled (got 124685 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 81 lines of tracing output))
PASSED (tracer wakeup can be enabled (got 45 lines of tracing output))
PASSED (tracer function can be enabled (got 118968 lines of tracing output))
Summary: 18 passed, 1 failed
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-aws (Ubuntu)
Importance: Undecided
Status: New
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Summary changed:
- ubuntu_ftrace_smoke_test failed on T-4.4 AWS
+ ubuntu_ftrace_smoke_test failed on T-4.4 AWS node i3en
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https://bugs.launchpad.net/bugs/1828796
Title:
ubuntu_ftrace_smoke_test failed on T-4.4 AWS node i3en
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