ubuntu_ftrace_smoke_test timeouted on P-3.13

[Po-Hsu Lin]

Test failed with a AMD64 Precise 3.13 KVM node (works with i386)

 Running '/home/ubuntu/autotest/client/tests/ubuntu_ftrace_smoke_test/ubuntu_ftrace_smoke_test.sh'
 PASSED (CONFIG_FUNCTION_TRACER=y in /boot/config-3.13.0-166-generic)
 PASSED (CONFIG_FUNCTION_GRAPH_TRACER=y in /boot/config-3.13.0-166-generic)
 PASSED (CONFIG_STACK_TRACER=y in /boot/config-3.13.0-166-generic)
 PASSED (CONFIG_DYNAMIC_FTRACE=y in /boot/config-3.13.0-166-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 or ksys_write traces found must be > 32, got 12137)
 PASSED (function_graph can be enabled)
 PASSED (vfs_write traces found must be > 32, got 3082829)
 PASSED (tracer blk can be enabled (got 2 lines of tracing output))
 TIMER END Tue Mar 12 18:16:32 UTC 2019
 TIMEOUT
 FAILED: aborting, timeout, took way too long to complete

[Po-Hsu Lin (cypressyew)]

Scheduled to retest on amd64.

[Colin Ian King (colin-king)]

If this fails, assign the bug to me and I'll see if I can figure out what the issue is.

[Po-Hsu Lin (cypressyew)]

Can't reproduce this for two more retries.
I think it's safe to close this now.