You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-27 - 20:35
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 rackfslot7.osadl.org (updated Thu Nov 27, 2025 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303440399899,59cyclictest3128536-21/usr/sbin/munin09:55:174
3034403997233,19cyclictest0-21swapper/410:40:134
3034403997215,38cyclictest1089-21snmpd09:14:334
3034403997032,38cyclictest0-21swapper/407:39:464
3034403997031,39cyclictest0-21swapper/411:15:154
3034403997031,19cyclictest0-21swapper/412:16:374
3034403997012,39cyclictest3140203-21aten2.4_rfpower10:15:154
3034403996729,38cyclictest0-21swapper/409:16:374
3034403996729,19cyclictest3054671-21munin-run07:45:014
3034403996526,19cyclictest0-21swapper/408:09:134
303440199656,19cyclictest191rcu_preempt09:40:162
3034403996324,19cyclictest0-21swapper/410:56:334
303440399613,39cyclictest3040052-21/usr/sbin/munin07:20:014
3034403996022,38cyclictest0-21swapper/410:25:154
3034401996022,19cyclictest411rcuc/211:35:192
3034401996022,19cyclictest411rcuc/211:35:192
3034404995919,39cyclictest691ktimers/507:45:155
3034403995820,19cyclictest3167894-21unin-run11:05:014
303440399580,39cyclictest3108883-21kworker/u32:1+events_unbound09:29:274
3034403995718,39cyclictest3177950-21ntpq11:20:234
3034401995719,19cyclictest0-21swapper/209:10:162
3034403995516,39cyclictest3077964-21df_inode08:25:134
3034403995436,0cyclictest0-21swapper/408:56:554
3034403995435,18cyclictest3187916-21telnet11:40:134
3034403995435,18cyclictest3187916-21telnet11:40:134
3034403995419,15cyclictest0-21swapper/408:32:154
3034403995415,39cyclictest362-21jbd2/sda2-811:48:394
303440399540,54cyclictest0-21swapper/407:45:274
3034399995415,39cyclictest16-21ksoftirqd/007:35:160
3034403995319,15cyclictest0-21swapper/412:25:194
3034403995319,15cyclictest0-21swapper/409:23:234
3034403995319,15cyclictest0-21swapper/407:30:194
3034403995319,15cyclictest0-21swapper/407:30:194
3034403995314,39cyclictest3170308-21taskset11:07:354
3034403995313,20cyclictest875-21mta-sts-daemon09:30:194
3034403995233,19cyclictest3072966-21cat08:15:194
3034403995218,15cyclictest0-21swapper/412:30:314
3034403995215,37cyclictest362-21jbd2/sda2-809:48:394
3034403995214,19cyclictest0-21swapper/409:05:134
3034403995213,39cyclictest0-21swapper/411:50:034
3034403995213,39cyclictest0-21swapper/408:03:194
3034403995213,20cyclictest0-21swapper/410:24:374
3034403995213,19cyclictest0-21swapper/408:40:014
3034403995213,19cyclictest0-21swapper/407:55:574
3034399995251,1cyclictest171ktimers/007:10:170
3034403995133,18cyclictest0-21swapper/412:05:394
3034403995133,18cyclictest0-21swapper/411:25:234
3034403995133,18cyclictest0-21swapper/410:52:564
3034403995133,18cyclictest0-21swapper/409:54:594
3034403995132,19cyclictest3206248-21ntpq12:10:214
3034403995132,19cyclictest0-21swapper/411:15:014
3034403995132,19cyclictest0-21swapper/407:29:314
3034403995112,39cyclictest362-21jbd2/sda2-809:04:554
3034403995112,39cyclictest0-21swapper/408:50:114
3034399995113,19cyclictest0-21swapper/008:35:140
3034403995032,18cyclictest0-21swapper/412:21:394
3034403995032,18cyclictest0-21swapper/411:56:414
3034403995032,18cyclictest0-21swapper/411:35:234
3034403995032,18cyclictest0-21swapper/411:35:234
3034403995032,18cyclictest0-21swapper/410:03:554
3034403995032,18cyclictest0-21swapper/409:40:514
3034403995031,0cyclictest0-21swapper/408:41:274
3034403995011,39cyclictest0-21swapper/410:10:074
3034403994931,18cyclictest0-21swapper/410:47:394
3034403994911,38cyclictest0-21swapper/412:00:574
3034403994911,19cyclictest3090065-21ntp_states08:45:244
3034403994910,39cyclictest0-21swapper/412:35:114
3034403994830,18cyclictest0-21swapper/411:31:274
3034403994830,18cyclictest0-21swapper/407:20:514
3034403994829,19cyclictest0-21swapper/410:07:514
3034403994829,19cyclictest0-21swapper/408:23:094
303440399478,20cyclictest3059290-21rt-features07:50:254
3034403994628,18cyclictest0-21swapper/410:39:174
3034403994627,0cyclictest0-21swapper/408:10:214
3034399994523,20cyclictest873-21mta-sts-daemon10:15:180
303440599445,39cyclictest0-21swapper/609:50:166
3034403994425,19cyclictest0-21swapper/410:30:254
3034403994425,19cyclictest0-21swapper/409:38:414
303439999434,19cyclictest0-21swapper/011:40:160
303439999434,19cyclictest0-21swapper/011:40:160
303439999423,39cyclictest0-21swapper/011:00:170
3034403994123,18cyclictest0-21swapper/407:10:274
3034399994122,18cyclictest0-21swapper/007:30:160
3034399994122,18cyclictest0-21swapper/007:30:160
303440599403,18cyclictest0-21swapper/612:05:156
303440199391,19cyclictest0-21swapper/208:25:152
3034399993920,19cyclictest0-21swapper/009:05:140
3034399993920,19cyclictest0-21swapper/009:00:150
3034405993718,19cyclictest0-21swapper/610:15:186
3034402993718,0cyclictest0-21swapper/308:35:153
303439999370,37cyclictest0-21swapper/010:00:170
303439999370,18cyclictest0-21swapper/010:40:180
303440599350,35cyclictest0-21swapper/611:45:186
303439999350,35cyclictest0-21swapper/010:30:160
303439999350,15cyclictest0-21swapper/012:25:140
303439999350,15cyclictest0-21swapper/011:25:190
303439999350,15cyclictest0-21swapper/010:25:170
303440599340,34cyclictest0-21swapper/611:10:156
3034401993419,15cyclictest0-21swapper/208:10:152
303440199340,15cyclictest0-21swapper/210:10:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional