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2026-07-02 - 05:27
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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 Thu Jul 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3198099118115,3cyclictest0-21swapper/522:11:155
261772870,0sleep10-21swapper/122:44:121
79572740,0sleep40-21swapper/423:00:334
251882740,0sleep10-21swapper/122:53:501
31937997271,1cyclictest1844-21nfsd22:11:140
119692600,0sleep20-21swapper/222:56:552
3198899580,58cyclictest5463-21kworker/6:122:11:156
31994995718,24cyclictest15300-21bash22:11:147
297172570,1sleep129714-21bash21:52:461
44352540,0sleep10-21swapper/123:11:441
3161025026,8sleep70-21swapper/719:04:457
258662500,1sleep3100-21kswapd000:07:203
3166024925,8sleep30-21swapper/319:05:293
225632490,0sleep20-21swapper/222:00:082
134922490,0sleep40-21swapper/421:38:404
87992480,0sleep01-21systemd21:36:360
197552480,0sleep10-21swapper/120:37:351
3162324724,8sleep20-21swapper/219:04:562
239762470,0sleep00-21swapper/022:02:070
303642460,0sleep50-21swapper/521:49:065
283422460,1sleep528341-21sshd22:06:125
283422460,1sleep528341-21sshd22:06:125
275972460,0sleep30-21swapper/321:48:563
260052460,0sleep30-21swapper/300:30:273
160812460,0sleep2709-21systemd-logind22:28:202
101012460,0sleep10-21swapper/123:37:231
31964994528,1cyclictest15515-21grep22:11:153
314662450,1sleep0721-21dbus-daemon22:21:450
259192450,0sleep20-21swapper/221:37:342
83572440,0sleep40-21swapper/421:34:394
73612440,0sleep70-21swapper/723:09:577
3197299440,43cyclictest26119-21kworker/4:322:11:154
124902440,1sleep612489-21bash21:21:366
87182430,1sleep58721-21grepconf.sh23:43:035
54382430,0sleep00-21swapper/000:33:040
22492430,0sleep30-21swapper/322:35:093
15412430,1sleep01543-21sshd22:54:210
12162430,0sleep30-21swapper/323:50:223
12162430,0sleep30-21swapper/323:50:223
3195699420,41cyclictest21110-21kworker/2:022:11:142
241172420,0sleep60-21swapper/600:09:076
16322420,1sleep71582-21systemd22:46:357
155752420,0sleep00-21swapper/022:28:180
139582420,0sleep60-21swapper/622:14:546
287912410,0sleep6631rcuc/600:30:386
129622410,0sleep112957-21sshd22:18:411
119942410,0sleep50-21swapper/523:54:495
73422400,0sleep70-21swapper/700:00:197
3171924027,9sleep40-21swapper/419:06:184
3151924028,8sleep50-21swapper/519:03:315
3154623927,9sleep10-21swapper/119:03:511
304272390,0sleep70-21swapper/722:27:207
237382390,2sleep73199499cyclictest22:51:557
187672390,0sleep40-21swapper/423:47:274
187672390,0sleep40-21swapper/423:47:274
114112390,0sleep50-21swapper/521:53:395
3161223826,8sleep00-21swapper/019:04:460
3156923826,8sleep60-21swapper/619:04:126
249992370,0sleep60-21swapper/621:58:206
31945993636,0cyclictest23112-21kworker/1:222:11:141
88502330,1sleep233-21ksoftirqd/222:47:022
31964992118,3cyclictest41-21ksoftirqd/321:59:533
31964992116,1cyclictest41-21ksoftirqd/322:25:253
3196499205,3cyclictest131rcu_sched22:29:233
3196499203,1cyclictest41-21ksoftirqd/321:18:283
31964992010,2cyclictest41-21ksoftirqd/323:21:393
297582200,0sleep40-21swapper/423:07:304
3196499199,1cyclictest41-21ksoftirqd/323:45:483
3196499199,1cyclictest41-21ksoftirqd/323:38:543
31964991915,1cyclictest41-21ksoftirqd/323:00:573
3196499190,1cyclictest131rcu_sched21:53:333
3193799198,0cyclictest0-21swapper/020:32:310
3193799198,0cyclictest0-21swapper/020:07:590
3193799191,6cyclictest0-21swapper/019:55:310
3196499188,1cyclictest41-21ksoftirqd/322:48:203
3196499185,1cyclictest41-21ksoftirqd/323:22:263
3196499182,2cyclictest131rcu_sched21:37:503
31964991816,1cyclictest41-21ksoftirqd/323:09:323
31964991816,1cyclictest41-21ksoftirqd/322:53:063
31964991816,1cyclictest41-21ksoftirqd/321:35:203
31964991815,2cyclictest41-21ksoftirqd/321:31:263
31964991815,2cyclictest41-21ksoftirqd/300:09:163
3193799187,5cyclictest0-21swapper/020:15:410
3193799187,5cyclictest0-21swapper/020:15:410
3193799187,0cyclictest0-21swapper/020:24:090
3196499177,1cyclictest41-21ksoftirqd/322:20:593
3196499175,1cyclictest41-21ksoftirqd/321:25:083
3196499172,3cyclictest41-21ksoftirqd/322:12:363
31964991715,1cyclictest41-21ksoftirqd/323:57:433
31964991715,1cyclictest41-21ksoftirqd/323:27:343
31964991715,1cyclictest41-21ksoftirqd/322:46:473
31964991714,3cyclictest41-21ksoftirqd/322:05:413
31964991714,3cyclictest41-21ksoftirqd/322:05:413
31964991713,3cyclictest41-21ksoftirqd/323:04:263
31964991713,3cyclictest41-21ksoftirqd/321:11:543
31964991713,3cyclictest41-21ksoftirqd/321:11:543
31964991712,1cyclictest41-21ksoftirqd/323:52:353
3196499170,2cyclictest41-21ksoftirqd/322:37:333
3196499170,17cyclictest22017-21kworker/3:500:21:273
294672170,1sleep129463-21systemd23:59:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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