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2025-12-09 - 17:39
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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 rackcslot6.osadl.org (updated Tue Dec 09, 2025 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
329421523880,3sleep50-21swapper/507:05:235
331661421060,1sleep656-21ksoftirqd/607:40:196
329516629543,12sleep00-21swapper/007:09:540
329504428743,13sleep40-21swapper/407:08:134
3295400998617,37cyclictest0-21swapper/611:03:156
34583702840,0sleep00-21swapper/011:30:010
3295400998416,37cyclictest0-21swapper/610:38:156
3295400998415,38cyclictest0-21swapper/607:58:166
329501328443,13sleep20-21swapper/207:07:472
3295400998316,37cyclictest0-21swapper/612:33:156
3295408998215,36cyclictest0-21swapper/707:48:157
3295408998116,35cyclictest0-21swapper/709:28:157
3295400998114,35cyclictest0-21swapper/612:23:156
329499927146,12sleep60-21swapper/607:07:346
329513527044,13sleep70-21swapper/707:09:297
329512526944,12sleep10-21swapper/107:09:221
329493726950,13sleep30-21swapper/307:06:433
3295392996815,35cyclictest0-21swapper/510:48:155
329535999674,31cyclictest0-21swapper/111:48:151
329535999674,31cyclictest0-21swapper/111:48:151
3295392996614,34cyclictest0-21swapper/507:33:155
3295359996616,20cyclictest0-21swapper/107:23:151
3295392996515,40cyclictest0-21swapper/512:13:155
3295392996416,34cyclictest0-21swapper/509:43:155
3295392996415,39cyclictest0-21swapper/509:53:155
329538599610,36cyclictest0-21swapper/410:28:154
3295359994017,23cyclictest0-21swapper/109:18:151
3295359993916,23cyclictest0-21swapper/111:13:151
3295359993511,24cyclictest0-21swapper/112:26:591
3295359993410,24cyclictest0-21swapper/107:18:581
3295359993410,24cyclictest0-21swapper/107:18:581
329535999317,24cyclictest0-21swapper/111:22:581
3295408993014,15cyclictest0-21swapper/711:28:157
3295400993014,15cyclictest0-21swapper/609:58:156
3295400992913,15cyclictest0-21swapper/609:13:156
329535999295,24cyclictest0-21swapper/110:57:581
329535999295,24cyclictest0-21swapper/107:47:591
3295359992929,0cyclictest0-21swapper/107:40:241
3295400992812,15cyclictest0-21swapper/612:03:156
3295359992812,15cyclictest0-21swapper/112:08:161
3295359992812,15cyclictest0-21swapper/109:03:151
3295359992812,15cyclictest0-21swapper/108:03:151
3295400992715,6cyclictest0-21swapper/610:13:156
329539299273,24cyclictest0-21swapper/507:56:585
329535999262,24cyclictest0-21swapper/109:11:581
3295359992611,15cyclictest0-21swapper/112:18:151
3295359992610,15cyclictest0-21swapper/110:08:151
329540899259,15cyclictest0-21swapper/711:53:157
329535999259,15cyclictest0-21swapper/112:38:151
33354882240,0sleep20-21swapper/208:10:192
329537199240,24cyclictest0-21swapper/212:19:582
3295359992423,1cyclictest2107-21gnome-shell09:07:581
33939302230,2sleep228-21ksoftirqd/209:45:172
329535999226,15cyclictest0-21swapper/108:53:151
3295359992221,1cyclictest2107-21gnome-shell09:50:581
34158102210,0sleep70-21swapper/710:20:157
33112152210,1sleep228-21ksoftirqd/207:30:212
216999210,1rtkit-daemon3298467-21munin-node10:39:380
34379802200,2sleep335-21ksoftirqd/310:55:193
34339852200,1sleep2271rcuc/210:50:132
3295408992020,0cyclictest0-21swapper/711:37:527
3295408992018,1cyclictest0-21swapper/711:43:027
3295359992020,0cyclictest0-21swapper/111:59:591
3295359992019,1cyclictest2107-21gnome-shell10:16:581
3295359992019,1cyclictest2107-21gnome-shell10:16:581
216999200,1rtkit-daemon2178-21wpa_supplicant11:55:250
216999200,0rtkit-daemon0-21swapper/007:23:394
34790982190,0sleep20-21swapper/212:00:222
34096712190,1sleep2271rcuc/210:10:182
33835112190,0sleep63383515-21latency_hist09:30:006
329539299193,15cyclictest0-21swapper/507:18:165
329539299193,15cyclictest0-21swapper/507:18:155
3295377991919,0cyclictest0-21swapper/309:29:143
3295377991917,1cyclictest2107-21gnome-shell09:20:593
3295371991918,1cyclictest0-21swapper/211:11:132
3295371991918,1cyclictest0-21swapper/207:13:162
216999190,1rtkit-daemon2168-21rtkit-daemon08:56:584
216999190,0rtkit-daemon0-21swapper/007:54:260
329540099182,15cyclictest0-21swapper/610:53:156
329537199186,11cyclictest0-21swapper/207:38:152
3295371991817,1cyclictest0-21swapper/212:38:582
3295359991818,0cyclictest0-21swapper/108:43:581
216999180,0rtkit-daemon0-21swapper/409:11:060
329537199177,10cyclictest0-21swapper/210:23:152
329537199176,10cyclictest28-21ksoftirqd/208:38:152
329537199175,12cyclictest28-21ksoftirqd/210:33:152
329537199175,12cyclictest0-21swapper/211:38:152
329537199174,13cyclictest0-21swapper/209:33:152
3295371991716,1cyclictest0-21swapper/208:58:152
329537199171,16cyclictest0-21swapper/208:28:152
3295371991710,7cyclictest0-21swapper/211:08:162
3295352991716,1cyclictest2107-21gnome-shell11:36:580
3295352991716,1cyclictest0-21swapper/008:46:590
216999170,1rtkit-daemon2168-21rtkit-daemon08:50:080
216999170,0rtkit-daemon0-21swapper/008:24:230
216999170,0rtkit-daemon0-21swapper/007:55:500
216999170,0rtkit-daemon0-21swapper/007:48:080
216999170,0rtkit-daemon0-21swapper/007:30:530
329540899166,9cyclictest986-21runrttasks10:35:107
3295408991614,1cyclictest2107-21gnome-shell11:06:587
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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