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2025-12-25 - 16:48
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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 rack0slot5.osadl.org (updated Thu Dec 25, 2025 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33907049946521,29cyclictest0-21swapper/223:10:228
3390760994569,30cyclictest0-21swapper/1521:10:377
33906989945025,30cyclictest0-21swapper/021:14:220
33907049944928,28cyclictest0-21swapper/220:25:378
3390704994481,29cyclictest0-21swapper/221:10:598
33906989944826,28cyclictest0-21swapper/021:46:190
33906989944826,28cyclictest0-21swapper/020:16:220
3390753994470,446cyclictest0-21swapper/1323:43:595
33907609944626,419cyclictest0-21swapper/1521:49:587
33907219944619,30cyclictest0-21swapper/619:32:3712
339071799444442,1cyclictest3565466-21kworker/5:2+i915-unordered22:47:5811
33907099944424,419cyclictest0-21swapper/323:44:599
33907099944321,421cyclictest0-21swapper/300:03:589
339076099442442,0cyclictest0-21swapper/1520:49:187
339076099442442,0cyclictest0-21swapper/1520:49:187
33907219944118,30cyclictest0-21swapper/623:23:3612
33907099944121,419cyclictest0-21swapper/322:12:009
33907099944120,421cyclictest0-21swapper/323:11:589
33907049944117,30cyclictest0-21swapper/220:56:378
33907219944018,29cyclictest0-21swapper/623:10:3612
33907219943918,30cyclictest0-21swapper/619:53:3712
339071799439437,1cyclictest3614346-21kworker/5:0+i915-unordered23:43:5911
33907099943914,423cyclictest0-21swapper/321:43:369
33907009943911,30cyclictest0-21swapper/119:49:001
33907009943710,30cyclictest0-21swapper/120:42:191
33907009943710,30cyclictest0-21swapper/120:42:191
3390749994369,424cyclictest0-21swapper/1220:36:374
3390749994369,424cyclictest0-21swapper/1220:36:374
33907049943513,29cyclictest0-21swapper/222:31:368
33907049943414,30cyclictest0-21swapper/222:28:368
33907009943413,29cyclictest0-21swapper/100:09:001
3390760994338,29cyclictest0-21swapper/1521:16:377
33907099943314,419cyclictest0-21swapper/323:17:589
33907049943316,28cyclictest0-21swapper/220:02:378
339074499432431,1cyclictest3427682-21kworker/11:0+i915-unordered20:40:203
339074499432431,1cyclictest3427682-21kworker/11:0+i915-unordered20:40:203
3390721994328,29cyclictest0-21swapper/623:07:2212
3390721994326,28cyclictest0-21swapper/620:54:2212
33907099943212,419cyclictest0-21swapper/323:27:219
33907099943212,419cyclictest0-21swapper/323:27:219
3390704994324,425cyclictest0-21swapper/220:41:198
3390704994324,425cyclictest0-21swapper/220:41:198
33907009943212,30cyclictest0-21swapper/121:11:221
3390721994315,29cyclictest0-21swapper/620:46:2012
3390721994315,29cyclictest0-21swapper/620:46:2012
3390721994315,29cyclictest0-21swapper/620:03:5912
3390698994316,30cyclictest0-21swapper/023:20:590
339076099430429,1cyclictest26450irq/134-xhci_hcd23:59:007
3390721994304,29cyclictest0-21swapper/623:29:2212
3390721994304,29cyclictest0-21swapper/623:29:2212
3390721994303,29cyclictest0-21swapper/622:53:2012
3390704994307,29cyclictest0-21swapper/223:42:368
3390704994293,29cyclictest0-21swapper/222:48:588
3390704994293,29cyclictest0-21swapper/221:54:228
3390721994282,30cyclictest0-21swapper/623:45:2112
3390721994281,29cyclictest0-21swapper/622:58:2212
3390704994284,30cyclictest0-21swapper/220:20:378
3390721994270,30cyclictest0-21swapper/622:19:2112
3390721994270,29cyclictest0-21swapper/623:59:2112
3390704994272,29cyclictest0-21swapper/221:23:598
3390704994271,29cyclictest0-21swapper/221:59:008
33907219942626,399cyclictest0-21swapper/619:44:2112
3390721994260,30cyclictest0-21swapper/619:24:2012
3390721994260,29cyclictest0-21swapper/621:34:2112
3390721994260,28cyclictest0-21swapper/621:57:2012
33907049942628,398cyclictest0-21swapper/223:33:208
33907049942628,398cyclictest0-21swapper/223:33:208
3390704994261,29cyclictest0-21swapper/223:08:588
3390704994261,28cyclictest0-21swapper/219:47:598
3390704994260,29cyclictest0-21swapper/222:43:228
3390749994255,419cyclictest0-21swapper/1223:49:594
3390712994252,29cyclictest0-21swapper/420:05:3710
33907049942526,398cyclictest0-21swapper/221:18:228
339076099424422,1cyclictest3508769-21kworker/15:2+i915-unordered21:32:217
33907499942426,397cyclictest0-21swapper/1222:09:594
339071799424422,1cyclictest3396347-21kworker/5:0+i915-unordered19:58:0011
33907049942429,395cyclictest0-21swapper/220:50:238
33907049942425,398cyclictest0-21swapper/219:20:208
3390704994240,28cyclictest0-21swapper/222:13:198
3390704994240,28cyclictest0-21swapper/219:27:218
339076099423422,1cyclictest0-21swapper/1520:19:487
339075399423420,3cyclictest1802-21snmpd19:28:315
3390749994233,419cyclictest0-21swapper/1221:51:584
33907049942326,396cyclictest0-21swapper/219:33:238
3390744994220,28cyclictest0-21swapper/1123:25:363
3390744994220,28cyclictest0-21swapper/1123:25:363
33907099942224,397cyclictest0-21swapper/322:24:589
33907609942125,395cyclictest0-21swapper/1520:41:377
33907609942125,395cyclictest0-21swapper/1520:41:377
33907499942125,395cyclictest0-21swapper/1223:37:364
33907499942125,395cyclictest0-21swapper/1223:37:364
33907129942124,396cyclictest0-21swapper/420:37:3710
33907129942124,396cyclictest0-21swapper/420:37:3710
33907099942124,395cyclictest0-21swapper/320:03:379
33907099942123,397cyclictest0-21swapper/322:35:599
33907099942123,397cyclictest0-21swapper/300:10:009
33907099942122,398cyclictest0-21swapper/320:38:589
33907099942122,398cyclictest0-21swapper/320:38:589
33907049942125,396cyclictest0-21swapper/222:37:208
33907499942025,395cyclictest0-21swapper/1223:26:364
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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