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2026-06-24 - 09:51
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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 rack3slot0.osadl.org (updated Wed Jun 24, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191112910,0sleep3391rcuc/321:56:073
48782890,2sleep02902199cyclictest22:18:140
29055998240,21cyclictest26216-21sshd22:13:454
154372780,1sleep715423-21bash23:21:257
29071997573,1cyclictest26015-21cp22:13:446
132672730,2sleep42905599cyclictest22:51:584
29063997042,27cyclictest464-21systemd-journal22:13:455
310042680,2sleep32904799cyclictest19:07:583
29038996846,0cyclictest0-21swapper/222:13:452
218342670,0sleep10-21swapper/122:03:501
93162610,3sleep0111rcuc/023:57:540
169442580,0sleep40-21swapper/400:21:294
169442580,0sleep40-21swapper/400:21:294
29021995755,2cyclictest9532-21kworker/0:222:13:460
20382570,3sleep40-21swapper/400:34:024
15212560,0sleep50-21swapper/522:53:035
31662550,1sleep23136-21cp22:59:172
291452520,0sleep50-21swapper/521:52:485
212682520,1sleep721273-21grepconf.sh23:29:347
193642510,0sleep40-21swapper/423:52:374
2884124925,8sleep50-21swapper/519:07:135
2878924824,8sleep70-21swapper/719:06:277
227412480,0sleep222740-21systemd-cgroups22:00:062
165362480,0sleep60-21swapper/622:28:546
6652470,0sleep30-21swapper/323:45:473
2877524723,8sleep60-21swapper/619:06:186
285342460,0sleep00-21swapper/023:02:520
276152460,0sleep50-21swapper/521:33:185
267642460,0sleep40-21swapper/422:25:314
237892460,0sleep40-21swapper/423:39:244
20842460,1sleep125-21ksoftirqd/122:08:301
214702450,0sleep021468-21sshd00:13:560
314372440,1sleep231436-21bash23:18:232
294002440,0sleep30-21swapper/321:33:243
142772440,0sleep30-21swapper/323:21:213
270422430,0sleep10-21swapper/123:00:521
209922430,0sleep120990-21systemd-cgroups23:41:131
201312430,0sleep10-21swapper/122:44:341
190432430,0sleep60-21swapper/621:40:326
116462430,0sleep611645-21systemd-cgroups00:34:366
289372420,0sleep70-21swapper/721:27:357
260012420,2sleep72907899cyclictest23:37:437
193472420,0sleep1231rcuc/121:17:281
140702420,0sleep00-21swapper/023:00:030
106852420,0sleep60-21swapper/623:25:006
2885224129,9sleep30-21swapper/319:07:193
308322400,0sleep40-21swapper/422:08:174
294552400,0sleep00-21swapper/021:39:060
306752390,0sleep20-21swapper/221:52:532
2874223928,8sleep00-21swapper/019:05:480
2854523926,9sleep40-21swapper/419:03:044
259032390,0sleep60-21swapper/622:44:556
181142390,2sleep62907199cyclictest23:44:546
144152390,0sleep00-21swapper/023:32:550
143882390,0sleep30-21swapper/300:21:203
143882390,0sleep30-21swapper/300:21:203
2870423825,9sleep20-21swapper/219:05:182
2856023826,9sleep10-21swapper/119:03:171
143822360,0sleep00-21swapper/019:37:500
287742350,1sleep5758-21runrttasks21:25:335
250972310,0sleep60-21swapper/622:35:266
325632300,1sleep125-21ksoftirqd/122:22:001
40202270,15sleep213550irq/24-ahci[00023:22:402
2906399273,2cyclictest0-21swapper/523:27:515
2907899216,3cyclictest73-21ksoftirqd/721:38:007
2907899212,18cyclictest26240-21systemd-cgroups22:13:457
263492210,0sleep40-21swapper/422:29:324
52992200,0sleep70-21swapper/700:14:597
29078992017,2cyclictest73-21ksoftirqd/723:47:177
2906399200,3cyclictest15064-21sshd23:17:335
2906399200,2cyclictest24723-21grepconf.sh22:33:175
2904799200,16cyclictest26316-21grepconf.sh22:13:463
2907899196,2cyclictest73-21ksoftirqd/723:10:497
2907899194,3cyclictest73-21ksoftirqd/722:55:097
29063991913,5cyclictest29945-21sshd22:06:215
2906399191,6cyclictest22816-21kill23:08:095
2906399191,1cyclictest0-21swapper/521:40:075
2906399190,0cyclictest0-21swapper/500:10:515
29029991918,1cyclictest25299-21kworker/1:022:13:451
29078991817,1cyclictest73-21ksoftirqd/722:59:287
29078991816,1cyclictest73-21ksoftirqd/723:13:357
29078991816,1cyclictest73-21ksoftirqd/722:33:487
29078991816,1cyclictest73-21ksoftirqd/722:20:517
29078991815,2cyclictest73-21ksoftirqd/722:02:457
29078991813,1cyclictest73-21ksoftirqd/721:56:117
29063991813,3cyclictest57-21ksoftirqd/523:45:175
2906399180,1cyclictest30054-21grep21:19:545
2906399180,0cyclictest0-21swapper/520:29:405
29038991813,3cyclictest33-21ksoftirqd/221:15:022
43842170,1sleep74385-21kworker/u16:421:12:307
29902170,0sleep50-21swapper/523:40:055
29078991716,1cyclictest73-21ksoftirqd/723:57:587
29078991716,1cyclictest73-21ksoftirqd/700:19:147
29078991716,1cyclictest73-21ksoftirqd/700:19:147
29078991715,2cyclictest15-21kswork00:33:467
29078991715,1cyclictest73-21ksoftirqd/722:48:537
29078991715,1cyclictest73-21ksoftirqd/722:29:437
29078991715,1cyclictest73-21ksoftirqd/722:23:047
29078991715,1cyclictest73-21ksoftirqd/721:27:427
29078991715,1cyclictest73-21ksoftirqd/721:27:427
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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