[MESOS-7049] CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest is broken on Fedora 25.

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Component/s: containerization, test
• Assignee: James Peach
• Reporter: James Peach
• Shepherd: haosdent
• Created: 01/Feb/17 23:49
• Updated: 28/Apr/17 23:34
• Resolved: 28/Apr/17 23:32

Description

Test output:

[==========] Running 1 test from 1 test case.
[----------] Global test environment set-up.
[----------] 1 test from CgroupsAnyHierarchyWithPerfEventTest
[ RUN      ] CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest
../../src/tests/containerizer/cgroups_tests.cpp:1020: Failure
(statistics).failure(): Failed to parse perf sample: Failed to parse perf sample line '6186960975,,cycles,mesos_test,2000511515,100.00,3.093,GHz': Unexpected number of fields
../../src/tests/containerizer/cgroups_tests.cpp:193: Failure
(cgroups::destroy(hierarchy, cgroup)).failure(): Failed to remove cgroup '/sys/fs/cgroup/perf_event/mesos_test': Device or resource busy
[  FAILED  ] CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest (2123 ms)
[----------] 1 test from CgroupsAnyHierarchyWithPerfEventTest (2123 ms total)

[----------] Global test environment tear-down
../../src/tests/environment.cpp:836: Failure
Failed
Tests completed with child processes remaining:
-+- 20455 /home/jpeach/upstream/mesos/build/src/.libs/mesos-tests --verbose --gtest_filter=CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest
 \--- 20500 /home/jpeach/upstream/mesos/build/src/.libs/mesos-tests --verbose --gtest_filter=CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest
[==========] 1 test from 1 test case ran. (2141 ms total)
[  PASSED  ] 0 tests.
[  FAILED  ] 1 test, listed below:
[  FAILED  ] CgroupsAnyHierarchyWithPerfEventTest.ROOT_CGROUPS_PERF_PerfTest

Software versions:

[jpeach@jpeach src]$ uname -a
Linux jpeach.apple.com 4.9.6-200.fc25.x86_64 #1 SMP Thu Jan 26 10:17:45 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
[jpeach@jpeach src]$ perf -v
perf version 4.9.6.200.fc25.x86_64.g51a0
[jpeach@jpeach src]$ cat /etc/os-release
NAME=Fedora
VERSION="25 (Workstation Edition)"
ID=fedora
VERSION_ID=25
PRETTY_NAME="Fedora 25 (Workstation Edition)"
ANSI_COLOR="0;34"
CPE_NAME="cpe:/o:fedoraproject:fedora:25"
HOME_URL="https://fedoraproject.org/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"
REDHAT_BUGZILLA_PRODUCT="Fedora"
REDHAT_BUGZILLA_PRODUCT_VERSION=25
REDHAT_SUPPORT_PRODUCT="Fedora"
REDHAT_SUPPORT_PRODUCT_VERSION=25
PRIVACY_POLICY_URL=https://fedoraproject.org/wiki/Legal:PrivacyPolicy
VARIANT="Workstation Edition"
VARIANT_ID=workstation

The test then fails to clean up, leaving stale processes and cgroups.

Issue Links

• is related to: MESOS-4705 Linux 'perf' parsing logic may fail when OS distribution has perf backports.