Fan Du created MESOS-4705:
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Summary: Slave failed to sample container with perf event
Key: MESOS-4705
URL: https://issues.apache.org/jira/browse/MESOS-4705
Project: Mesos
Issue Type: Bug
Components: cgroups, isolation
Affects Versions: 0.27.1
Reporter: Fan Du
Assignee: Fan Du
When sampling container with perf event on Centos7 with kernel
3.10.0-123.el7.x86_64, slave complained with below error spew:
{code}
E0218 16:32:00.591181 8376 perf_event.cpp:408] Failed to get perf sample:
Failed to parse perf sample: Failed to parse perf sample line
'25871993253,,cycles,mesos/5f23ffca-87ed-4ff6-84f2-6ec3d4098ab8,10059827422,100.00':
Unexpected number of fields
{code}
it's caused by the current perf format [assumption |
https://git-wip-us.apache.org/repos/asf?p=mesos.git;a=blob;f=src/linux/perf.cpp;h=1c113a2b3f57877e132bbd65e01fb2f045132128;hb=HEAD#l430]
with kernel version below 3.12
On 3.10.0-123.el7.x86_64 kernel, the format is with 6 tokens as below:
value,unit,event,cgroup,running,ratio
A local modification fixed this error on my test bed, please review this ticket.
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