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2025-11-26 - 08:07
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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 rackeslot8.osadl.org (updated Wed Nov 26, 2025 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840898993431,1cyclictest0-21swapper/321:35:013
840898993027,1cyclictest0-21swapper/319:15:003
12049702230,1sleep30-21swapper/323:19:503
840898992219,1cyclictest0-21swapper/320:10:003
84089899212,13cyclictest1059423-21taskset21:50:143
840898992118,1cyclictest0-21swapper/322:35:163
84089899199,7cyclictest1180889-21turbostat23:05:013
840898991916,1cyclictest0-21swapper/322:45:173
840898991916,1cyclictest0-21swapper/321:45:183
840898991916,1cyclictest0-21swapper/300:10:153
840898991916,1cyclictest0-21swapper/300:10:153
84089899191,14cyclictest988034-21turbostat21:04:593
84089899191,13cyclictest893481-21turbostat19:50:003
84089899191,13cyclictest1253576-21taskset23:50:013
84089899184,8cyclictest1018544-21sleep21:29:543
84089899182,12cyclictest1164738-21turbostat22:55:013
840898991815,1cyclictest0-21swapper/323:55:493
840898991815,1cyclictest0-21swapper/322:40:263
840898991815,1cyclictest0-21swapper/322:05:263
840898991815,1cyclictest0-21swapper/321:10:003
840898991815,1cyclictest0-21swapper/300:00:163
84089899181,14cyclictest948812-21taskset20:30:193
84089899181,13cyclictest1123981-21chrt22:29:503
84089899181,12cyclictest963141-21taskset20:45:023
84089899180,13cyclictest1172790-21turbostat23:00:003
84089899178,6cyclictest13013882sleep300:18:393
840898991715,1cyclictest0-21swapper/321:10:183
840898991714,1cyclictest0-21swapper/323:20:203
840898991714,1cyclictest0-21swapper/321:20:203
84089899171,13cyclictest12596162sleep323:50:373
84089899171,12cyclictest956648-21sleep20:40:013
84089899171,12cyclictest931596-21turbostat20:20:003
84089899171,12cyclictest1327100-21taskset00:35:173
84089899171,12cyclictest1320393-21taskset00:30:153
84089899171,12cyclictest1305803-21taskset00:20:173
84089899171,12cyclictest1236706-21taskset23:38:273
84089899171,12cyclictest1213913-21chrt23:25:153
84089899171,12cyclictest1196241-21taskset23:13:143
84089899171,12cyclictest1186523-21taskset23:05:233
84089899171,12cyclictest1049381-21chrt21:41:123
84089899170,15cyclictest868374-21turbostat19:30:003
84089899170,13cyclictest880897-21turbostat19:40:013
84089899170,12cyclictest1124322-21chrt22:30:013
840898991614,1cyclictest0-21swapper/322:15:013
840898991613,1cyclictest0-21swapper/323:40:143
840898991613,1cyclictest0-21swapper/321:55:233
84089899161,12cyclictest943855-21taskset20:26:513
84089899161,12cyclictest900338-21taskset19:55:123
84089899161,12cyclictest899660-21taskset19:50:443
84089899161,12cyclictest887028-21chrt19:43:033
84089899161,12cyclictest861407-21taskset19:20:213
84089899161,12cyclictest1310420-21chrt00:25:113
84089899161,12cyclictest1284333-21taskset00:06:563
84089899161,12cyclictest1221457-21taskset23:30:053
84089899161,12cyclictest1115774-21turbostat22:25:003
84089899161,12cyclictest1098920-21taskset22:13:503
84089899161,12cyclictest1041541-21taskset21:36:433
84089899161,12cyclictest1002694-21taskset21:15:123
84089899161,11cyclictest868590-21taskset19:30:043
84089899160,13cyclictest924726-21taskset20:10:283
84089899160,13cyclictest1082055-21chrt22:02:083
84089899160,12cyclictest981398-21taskset20:55:443
84089899160,12cyclictest931840-21taskset20:20:013
840898991512,1cyclictest0-21swapper/320:50:133
84089899151,11cyclictest958376-21taskset20:40:163
84089899151,11cyclictest855145-21taskset19:15:213
84089899150,11cyclictest912162-21taskset20:00:263
10202562155,7sleep11021740-21cat21:25:151
11968332140,11sleep01196841-21ssh23:14:350
147598130,8rtkit-daemon1310221-21cut00:25:010
11244422138,2sleep11124528-21grep22:30:131
11176652131,9sleep21118747-21tr22:25:172
10556242130,6sleep11056371-21sed21:45:201
9506062122,7sleep0950639-21apt-get20:35:140
9181502120,9sleep0918206-21ntp_states20:05:210
8399632121,7sleep2840059-21switchtime19:05:242
147598120,8rtkit-daemon951722-21sed20:35:182
12699182121,3sleep10-21swapper/100:00:181
12692392121,8sleep21269246-21sh23:59:182
9572832110,8sleep1957510-21sed20:40:151
147598110,7rtkit-daemon878493-21kthreadcore19:35:192
147598110,4rtkit-daemon214-21plymouthd21:09:012
147598110,4rtkit-daemon1325341-21ssh00:33:031
147598110,4rtkit-daemon1002175-21ssh21:14:370
147598110,1rtkit-daemon0-21swapper/022:14:470
13162822110,5sleep21316286-21ssh00:25:432
12391512110,8sleep11240570-21cut23:40:171
11952122111,7sleep11195219-21sh23:10:481
11731202111,3sleep01173154-21apt-get23:00:130
11476702110,1sleep20-21swapper/222:42:472
10339572110,8sleep11033965-21ssh21:33:261
9211122100,7sleep1923105-21cut20:10:221
8901732100,7sleep2892290-21grep19:45:182
8347852101,4sleep00-21swapper/019:05:130
147598100,6rtkit-daemon847378-21munin-node20:57:202
147598100,6rtkit-daemon474-21systemd-logind21:43:431
12606582101,7sleep11260664-21ssh23:53:071
11141052100,7sleep01114113-21ssh22:21:100
10822892101,6sleep11082296-21sh22:02:381
10400932101,6sleep21040383-21cut21:35:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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