You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-15 - 05:41
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7.osadl.org (updated Fri May 15, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141219913164,60cyclictest2374-21systemd-journal21:59:130
1376921186,15sleep00-21swapper/018:58:370
14121991105,29cyclictest28828-21chrt23:54:580
141219911011,32cyclictest352-21runrttasks22:53:330
14121991074,31cyclictest8400-21/usr/sbin/munin21:32:480
14121991073,41cyclictest15058-21apt-get20:42:140
14121991064,31cyclictest352-21runrttasks00:11:010
14121991063,30cyclictest13830-21latency21:41:360
14121991062,30cyclictest12966-21sendmail_mailtr00:21:430
14121991059,13cyclictest0-21swapper/023:41:260
14121991059,13cyclictest0-21swapper/023:41:260
14121991053,28cyclictest17560-21/usr/sbin/munin23:36:360
14121991053,28cyclictest12491-21cat23:26:450
14121991043,22cyclictest16340-21apt-get21:46:240
14121991043,22cyclictest16340-21apt-get21:46:240
14121991042,21cyclictest14106-21grep20:36:450
14121991035,37cyclictest27623-21ssh21:11:220
141219910333,63cyclictest0-21swapper/023:11:350
141219910332,64cyclictest0-21swapper/022:40:360
141219910332,64cyclictest0-21swapper/022:40:360
14121991033,23cyclictest22689-21chrt22:51:000
141219910237,55cyclictest0-21swapper/022:21:250
14121991023,32cyclictest2440-21sort23:11:110
14121991023,29cyclictest5575-21/usr/sbin/munin23:16:290
14121991023,29cyclictest5575-21/usr/sbin/munin23:16:290
14121991023,27cyclictest20462-21/usr/sbin/munin21:51:480
14121991022,24cyclictest9194-21taskset00:16:140
141219910147,47cyclictest0-21swapper/022:06:380
14121991014,29cyclictest32728-21apt-key00:01:130
14121991013,32cyclictest32082-21/usr/sbin/munin22:11:340
14121991013,30cyclictest26066-21/usr/sbin/munin22:56:340
14121991012,29cyclictest3029-21latency_hist20:06:110
141219910040,53cyclictest21265-21diskmemload23:56:340
141219910040,53cyclictest21265-21diskmemload23:56:340
14121991003,27cyclictest352-21runrttasks21:17:460
1412199993,23cyclictest7111-21cat21:31:120
14121999916,24cyclictest26292-21systemd-run23:51:090
14121999916,24cyclictest26292-21systemd-run23:51:090
1412199989,12cyclictest0-21swapper/022:21:120
1412199983,37cyclictest352-21runrttasks21:03:180
1412199983,33cyclictest16319-21/usr/sbin/munin19:06:430
1412199983,31cyclictest10232-21fschecks_time20:26:330
14121999828,63cyclictest0-21swapper/022:26:180
14121999825,8cyclictest0-21swapper/021:39:530
14121999824,12cyclictest31045-21sh23:04:140
14121999824,12cyclictest31045-21sh23:04:140
1412199982,33cyclictest24390-21latency_hist19:31:130
1412199982,32cyclictest25251-21latency_hist22:01:130
1412199982,32cyclictest25251-21latency_hist22:01:130
1412199982,32cyclictest11578-21/usr/sbin/munin20:31:320
1412199982,32cyclictest11578-21/usr/sbin/munin20:31:320
14135999714,69cyclictest7354-21apt-get21:31:442
1412199974,31cyclictest19900-21/usr/sbin/munin20:56:360
1412199973,34cyclictest32753-21grep19:56:330
1412199973,20cyclictest8349-21apt-get20:21:330
1412199973,20cyclictest1352-21/usr/sbin/munin21:21:300
1412199973,20cyclictest1352-21/usr/sbin/munin21:21:300
14121999730,56cyclictest0-21swapper/022:46:080
1412199964,21cyclictest14700-21cat23:31:260
1412199963,33cyclictest19565-21/usr/sbin/munin19:16:310
1412199963,33cyclictest18506-21grep20:51:310
1412199963,32cyclictest352-21runrttasks20:15:330
1412199963,30cyclictest17961-21/usr/sbin/munin19:11:440
1412199962,34cyclictest14023-21date22:36:120
1412199954,31cyclictest21402-21fschecks_count19:21:300
1412199953,33cyclictest8717-21cstates23:21:270
1412199953,33cyclictest24415-21/usr/sbin/munin19:31:370
1412199953,33cyclictest24415-21/usr/sbin/munin19:31:370
1412199953,33cyclictest17281-21/usr/sbin/munin20:46:420
1412199953,33cyclictest17281-21/usr/sbin/munin20:46:420
1412199953,24cyclictest6399-21cstates00:11:260
1412199952,38cyclictest8067-21latency_hist20:21:120
1412199952,38cyclictest8067-21latency_hist20:21:120
1412199952,25cyclictest15179-21/usr/sbin/munin00:26:350
1412199952,25cyclictest15179-21/usr/sbin/munin00:26:350
1412199943,29cyclictest15054-21find19:01:430
1412199943,29cyclictest15054-21find19:01:430
14121999411,26cyclictest17702-21kworker/u17:1+events_unbound21:11:090
14127999356,10cyclictest181rcu_preempt21:56:341
14127999354,11cyclictest181rcu_preempt23:33:091
1412199934,32cyclictest29230-21/usr/sbin/munin19:46:470
1412199933,33cyclictest28547-21unixbench_multi19:41:450
1412199923,34cyclictest3433-21fschecks_count20:06:300
1412199922,29cyclictest27500-21latency_hist19:41:110
1412199922,29cyclictest27500-21latency_hist19:41:110
14127999173,12cyclictest25804-21systemd-run19:36:101
14127999173,12cyclictest25804-21systemd-run19:36:101
1412199913,31cyclictest32235-21latency_hist19:56:120
14127998949,10cyclictest181rcu_preempt22:09:591
14135998775,7cyclictest0-21swapper/223:51:132
14135998768,12cyclictest2374-21systemd-journal23:18:192
14135998768,12cyclictest2374-21systemd-journal23:18:192
1413599865,65cyclictest352-21runrttasks00:01:462
14127998659,8cyclictest181rcu_preempt23:03:551
14127998659,8cyclictest181rcu_preempt23:03:551
14127998340,8cyclictest181rcu_preempt22:16:421
14135998214,24cyclictest22035-21apt-get21:56:122
14135998213,31cyclictest25137-21taskset22:54:232
14127998263,13cyclictest18190-21latency_hist00:31:121
14127998263,13cyclictest18190-21latency_hist00:31:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional