You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-10 - 06:29
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
Characteristics of the 50 highest latencies:
System rackcslot6.osadl.org (updated Mon Nov 10, 2025 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17323049911412,57cyclictest937-21lldpd21:03:124
17323049911412,57cyclictest937-21lldpd21:03:114
20343312910,0sleep40-21swapper/400:10:214
1732304999016,39cyclictest0-21swapper/422:48:124
19354042880,0sleep20-21swapper/222:50:252
1732304998616,38cyclictest0-21swapper/400:18:124
18830872840,1sleep3937-21lldpd22:10:053
1732325998314,36cyclictest0-21swapper/722:13:127
18715082800,0sleep60-21swapper/622:00:156
1732325997713,57cyclictest937-21lldpd23:23:117
18290772760,0sleep70-21swapper/721:25:227
17408132760,0sleep20-21swapper/219:20:142
19629942740,0sleep30-21swapper/323:14:053
20195002720,0sleep30-21swapper/323:59:473
1732280997215,39cyclictest0-21swapper/119:53:121
1732280997114,47cyclictest1134-21snmpd20:03:111
1732280996958,9cyclictest937-21lldpd00:33:121
1732304996817,35cyclictest0-21swapper/421:23:124
1732293995911,12cyclictest0-21swapper/320:38:123
216999560,52rtkit-daemon0-21swapper/519:09:075
173181625535,13sleep40-21swapper/419:05:594
1732318995215,36cyclictest0-21swapper/623:08:126
1732318995115,35cyclictest0-21swapper/620:13:126
1732318995036,14cyclictest1134-21snmpd21:58:116
1732318995016,34cyclictest0-21swapper/622:58:126
1732318995014,35cyclictest0-21swapper/621:13:126
1732288994915,13cyclictest0-21swapper/220:48:122
1732288994816,32cyclictest0-21swapper/200:08:112
1732318994617,28cyclictest0-21swapper/620:28:126
1732318994512,31cyclictest937-21lldpd23:58:126
173232599410,16cyclictest937-21lldpd20:56:587
173228099410,16cyclictest937-21lldpd21:18:591
173192024135,3sleep10-21swapper/119:07:241
1732304994014,24cyclictest937-21lldpd19:44:594
1732312993811,9cyclictest937-21lldpd00:38:115
1732288993812,24cyclictest937-21lldpd23:56:592
173195723732,4sleep00-21swapper/019:07:550
1732304993615,21cyclictest0-21swapper/423:43:124
1732304993615,21cyclictest0-21swapper/423:43:114
173193323631,2sleep30-21swapper/319:07:333
173189423633,2sleep20-21swapper/219:07:012
1732312993511,24cyclictest0-21swapper/500:16:585
173181823529,3sleep60-21swapper/619:06:016
1732318993411,0cyclictest0-21swapper/622:45:586
1732312993410,24cyclictest0-21swapper/523:53:595
1732304993410,24cyclictest0-21swapper/420:59:594
1732288993410,24cyclictest0-21swapper/221:03:592
1732288993410,24cyclictest0-21swapper/221:03:592
1732273993410,23cyclictest0-21swapper/020:42:590
173178023428,3sleep70-21swapper/719:05:307
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional