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2026-06-04 - 03:45
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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
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Thu Jun 04, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81528924000,7sleep10-21swapper/119:05:111
8166792270210,45sleep00-21swapper/019:06:120
96158421150,4sleep0961583-21turbostat23:40:000
179699660,5rtkit-daemon1795-21rtkit-daemon19:38:051
179699660,4rtkit-daemon1795-21rtkit-daemon22:52:501
179699590,4rtkit-daemon1795-21rtkit-daemon21:00:211
817175995712,12cyclictest857443-21apt-get21:20:100
817175995710,13cyclictest979937-21date00:05:010
817175995613,12cyclictest924433-21apt-get22:50:130
179699560,3rtkit-daemon1795-21rtkit-daemon23:43:501
817175995511,12cyclictest822261-21latency_hist19:25:020
817175995311,15cyclictest955334-21ntpq23:30:200
179699530,3rtkit-daemon1795-21rtkit-daemon23:54:571
817175995210,13cyclictest920621-21date22:45:000
817175995113,12cyclictest913478-21apt-get22:35:120
817175995110,11cyclictest835188-21ntpq20:10:170
179699510,4rtkit-daemon0-21swapper/023:15:230
179699510,3rtkit-daemon1795-21rtkit-daemon22:10:061
817175995012,15cyclictest1001793-21ls00:35:150
817175995012,12cyclictest920742-21apt-get22:45:130
817175995010,12cyclictest950794-21seq23:25:070
179699500,3rtkit-daemon0-21swapper/021:29:250
179699500,3rtkit-daemon0-21swapper/020:05:120
817175994912,11cyclictest869060-21apt-get21:35:130
817175994911,14cyclictest877488-21grep21:45:230
179699490,3rtkit-daemon0-21swapper/022:28:300
817175994814,12cyclictest991003-21sh00:20:220
817175994814,12cyclictest855746-21ssh21:16:570
817175994812,14cyclictest846442-21ntpq20:50:170
817175994811,13cyclictest987902-21sh00:15:370
817175994811,13cyclictest934315-21sh23:03:140
179699480,4rtkit-daemon1795-21rtkit-daemon22:20:000
179699480,4rtkit-daemon1795-21rtkit-daemon22:09:310
179699480,4rtkit-daemon1795-21rtkit-daemon00:13:100
179699480,3rtkit-daemon0-21swapper/022:23:090
817175994715,10cyclictest1000481-21ssh00:32:550
817175994714,14cyclictest949026-21ssh23:21:360
817175994714,13cyclictest874846-21ssh21:42:320
817175994713,14cyclictest890828-21taskset22:04:570
817175994712,12cyclictest935728-21apt-get23:05:110
817175994712,12cyclictest882391-21ssh21:52:410
817175994711,15cyclictest884453-21ntpq21:55:220
817175994711,10cyclictest850692-21diskmemload22:30:220
817175994710,13cyclictest994412-21seq00:25:140
179699470,3rtkit-daemon0-21swapper/019:52:490
817175994613,13cyclictest844152-21taskset20:42:170
817175994613,12cyclictest969311-21ssh23:50:140
817175994611,11cyclictest961839-21apt-get23:40:130
179699460,1rtkit-daemon1795-21rtkit-daemon19:41:560
81718099451,18cyclictest26-21ksoftirqd/121:45:011
81717599459,16cyclictest0-21swapper/021:10:190
817175994512,13cyclictest929580-21ssh22:55:320
817175994512,12cyclictest980698-21sed00:05:190
817175994511,14cyclictest850692-21diskmemload21:31:440
817175994511,14cyclictest850692-21diskmemload21:31:440
817175994510,14cyclictest8968912sleep022:11:150
817175994510,13cyclictest850803-21cut21:10:010
81717599448,9cyclictest822554-21apt-key19:25:010
817175994411,13cyclictest940669-21sed23:10:240
817175994411,12cyclictest818809-21sshd19:12:330
817175994410,13cyclictest848568-21grep21:00:130
817175994410,12cyclictest825438-21seq19:35:060
179699440,4rtkit-daemon1795-21rtkit-daemon20:39:280
179699440,1rtkit-daemon1795-21rtkit-daemon23:36:031
817175994311,11cyclictest820461-21date19:20:000
817175994310,14cyclictest0-21swapper/020:31:120
179699430,5rtkit-daemon0-21swapper/119:14:201
179699430,4rtkit-daemon1795-21rtkit-daemon21:18:001
817175994211,10cyclictest974206-21ssh23:55:290
179699420,4rtkit-daemon1795-21rtkit-daemon19:27:561
179699420,3rtkit-daemon1795-21rtkit-daemon20:55:350
179699420,3rtkit-daemon1795-21rtkit-daemon19:45:540
81717599419,13cyclictest836897-21seq20:16:390
179699410,4rtkit-daemon876297-21cpu21:45:121
179699410,4rtkit-daemon1795-21rtkit-daemon22:37:561
179699410,1rtkit-daemon1795-21rtkit-daemon22:08:591
179699410,1rtkit-daemon1795-21rtkit-daemon20:28:570
179699410,15rtkit-daemon1795-21rtkit-daemon20:00:050
81718099407,8cyclictest26-21ksoftirqd/122:20:001
81717599409,19cyclictest9676382sleep023:47:120
81717599409,11cyclictest8308732sleep019:56:500
81717599408,16cyclictest0-21swapper/020:20:070
179699400,4rtkit-daemon952535-21ssh23:26:091
179699400,3rtkit-daemon0-21swapper/022:23:171
817180993915,8cyclictest26-21ksoftirqd/123:20:001
179699390,1rtkit-daemon1795-21rtkit-daemon20:33:101
8438612380,3sleep10-21swapper/120:40:201
179699380,3rtkit-daemon0-21swapper/021:51:101
179699380,1rtkit-daemon1795-21rtkit-daemon19:30:470
817180993712,8cyclictest26-21ksoftirqd/123:05:001
179699370,3rtkit-daemon1795-21rtkit-daemon20:27:511
179699370,3rtkit-daemon0-21swapper/019:53:381
817180993613,8cyclictest26-21ksoftirqd/120:10:011
81718099345,8cyclictest26-21ksoftirqd/121:10:101
81718099340,33cyclictest0-21swapper/100:20:171
817175993411,10cyclictest844596-21chrt20:45:060
179699340,3rtkit-daemon0-21swapper/022:29:191
81718099330,7cyclictest26-21ksoftirqd/119:35:011
179699330,3rtkit-daemon0-21swapper/020:00:461
179699330,1rtkit-daemon1795-21rtkit-daemon00:00:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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