You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-20 - 16:45
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 Wed May 20, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14624220811,94sleep214702-21/usr/sbin/munin06:56:072
14786213511,96sleep114856-21tune2fs06:56:141
1489721049,22sleep30-21swapper/306:56:163
16062991023,72cyclictest30211-21apt-get10:06:150
16062991023,72cyclictest30211-21apt-get10:06:150
160679910057,38cyclictest16053-21cyclictest10:35:211
16067999933,37cyclictest0-21swapper/110:00:481
1606299998,78cyclictest10922-21apt-get11:21:030
1606299998,71cyclictest12419-21apt-get10:31:040
16062999942,13cyclictest16053-21cyclictest10:17:370
16067999882,11cyclictest16053-21cyclictest08:41:091
16071999647,41cyclictest0-21swapper/211:16:032
1606299964,71cyclictest2613-21apt-get12:01:010
21102950,8sleep10-21swapper/107:55:501
16067999551,36cyclictest15740-21kernelversion08:36:121
16062999341,11cyclictest181rcu_preempt09:51:080
16062999258,11cyclictest181rcu_preempt11:16:050
1606299923,47cyclictest21638-21apt-get10:46:020
1606299923,47cyclictest21638-21apt-get10:46:020
16071999143,40cyclictest0-21swapper/212:00:582
16062999164,18cyclictest17847-21latency_hist07:05:510
16062999058,24cyclictest21933-21apt-key10:45:510
16071998969,10cyclictest0-21swapper/210:45:492
16071998967,16cyclictest23960-21unixbench_singl11:41:232
16071998966,16cyclictest16053-21cyclictest09:46:122
16067998949,32cyclictest22568-21kworker/u17:2-rpciod11:51:201
16067998870,9cyclictest0-21swapper/112:26:221
16071998744,35cyclictest0-21swapper/209:11:102
16067998770,10cyclictest28421-21diskmemload11:50:301
16067998770,10cyclictest28421-21diskmemload11:50:301
16062998750,27cyclictest30155-21kworker/u17:1+nfsiod11:03:050
16062998749,13cyclictest181rcu_preempt10:05:490
16062998749,13cyclictest181rcu_preempt10:05:490
16067998643,36cyclictest277-21dbus-daemon09:30:481
16067998643,36cyclictest277-21dbus-daemon09:30:481
1606799862,44cyclictest26001-21chrt09:05:161
16062998614,16cyclictest15-21ksoftirqd/007:24:250
16071998570,10cyclictest19676-21snmpd11:21:572
16067998569,10cyclictest16053-21cyclictest07:01:251
16067998567,12cyclictest2374-21systemd-journal10:09:381
16067998567,12cyclictest2374-21systemd-journal10:09:381
16067998546,33cyclictest23213-21diskmemload12:17:451
16067998546,33cyclictest23213-21diskmemload12:17:451
16067998543,35cyclictest0-21swapper/109:11:201
16067998542,37cyclictest16053-21cyclictest10:51:121
16067998540,38cyclictest23213-21diskmemload10:27:511
16062998551,27cyclictest16053-21cyclictest12:06:090
151492857,54sleep015154-21ntpq06:56:250
16067998466,11cyclictest0-21swapper/109:23:391
16067998463,12cyclictest0-21swapper/107:05:591
16067998456,20cyclictest26820-21fschecks_time09:06:091
16067998433,43cyclictest0-21swapper/110:19:551
1606299847,46cyclictest15-21ksoftirqd/008:11:200
16062998434,10cyclictest181rcu_preempt08:26:190
1607199833,71cyclictest0-21swapper/210:20:572
1607199833,57cyclictest22279-21ssh10:46:132
1607199833,57cyclictest22279-21ssh10:46:132
16067998342,35cyclictest23213-21diskmemload11:12:591
16062998358,19cyclictest1836-21cstates11:06:040
16062998357,18cyclictest298-21in:imuxsock11:00:480
16062998357,18cyclictest298-21in:imuxsock11:00:480
16062998351,28cyclictest58-21kcompactd010:15:290
16071998258,14cyclictest277-21dbus-daemon07:15:482
16071998258,14cyclictest277-21dbus-daemon07:15:482
1607199823,70cyclictest26991-21apt-get10:00:592
1607199823,70cyclictest26991-21apt-get10:00:592
16071998234,41cyclictest0-21swapper/211:11:082
16067998263,14cyclictest2374-21systemd-journal09:34:431
16067998262,10cyclictest0-21swapper/108:11:221
16067998261,11cyclictest0-21swapper/107:46:091
16067998261,11cyclictest0-21swapper/107:46:091
16067998242,33cyclictest23213-21diskmemload11:01:231
1606799823,70cyclictest0-21swapper/111:30:591
1606799823,70cyclictest0-21swapper/111:30:591
1606799823,69cyclictest0-21swapper/108:06:001
16062998245,17cyclictest181rcu_preempt08:31:050
16062998232,27cyclictest16053-21cyclictest09:43:570
16062998229,11cyclictest181rcu_preempt07:31:150
16071998160,10cyclictest0-21swapper/209:26:202
16071998160,10cyclictest0-21swapper/209:26:202
1607199815,67cyclictest0-21swapper/208:46:032
1607199814,69cyclictest0-21swapper/208:06:002
16071998133,39cyclictest0-21swapper/209:55:592
16067998162,11cyclictest0-21swapper/111:00:501
16067998162,11cyclictest0-21swapper/111:00:501
16067998153,11cyclictest181rcu_preempt11:25:191
16067998140,34cyclictest23213-21diskmemload09:47:101
1606799812,35cyclictest16711-21latency_hist11:30:491
16062998153,20cyclictest21756-21latency_hist08:55:500
16062998152,19cyclictest17219-21fschecks_time11:31:090
16062998152,19cyclictest17219-21fschecks_time11:31:090
16062998148,22cyclictest26573-21latency_hist07:30:510
16062998147,28cyclictest10705-21ssh10:26:220
16062998145,8cyclictest181rcu_preempt09:16:360
16062998145,8cyclictest181rcu_preempt09:16:360
1607199804,68cyclictest0-21swapper/208:16:032
1607199804,67cyclictest0-21swapper/212:20:572
1607199804,65cyclictest0-21swapper/207:51:012
1607199803,69cyclictest0-21swapper/212:25:592
16067998058,13cyclictest0-21swapper/108:26:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional