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2026-09-06 - 02:34
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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 Sun Sep 06, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112382950,1sleep211236-21sshd21:49:162
65952880,2sleep12755499cyclictest21:48:591
142822750,0sleep00-21swapper/000:16:190
277352580,6sleep60-21swapper/621:46:156
90572550,0sleep00-21swapper/021:29:360
126792520,1sleep212628-21sshd22:12:462
262472510,1sleep626245-21sshd23:28:036
90032500,1sleep3391rcuc/322:00:463
2734124836,8sleep70-21swapper/719:03:467
2720824837,8sleep30-21swapper/319:01:573
189162480,0sleep30-21swapper/323:27:363
172252480,0sleep70-21swapper/700:04:487
321272470,0sleep60-21swapper/621:44:396
286852470,1sleep11-21systemd22:31:201
78052460,0sleep70-21swapper/721:07:487
267842460,0sleep20-21swapper/200:05:152
302602450,0sleep20-21swapper/223:49:542
38832440,0sleep30-21swapper/320:15:073
2738024432,9sleep60-21swapper/619:04:176
209592440,2sleep52757799cyclictest21:28:205
191742440,0sleep60-21swapper/621:26:136
158492440,3sleep70-21swapper/722:18:527
52852430,0sleep20-21swapper/223:01:162
238352430,0sleep40-21swapper/423:25:534
32682420,0sleep10-21swapper/122:49:301
324152420,2sleep32756899cyclictest23:16:393
232752420,0sleep40-21swapper/423:00:224
112512420,0sleep60-21swapper/600:22:016
315442410,0sleep10-21swapper/122:21:431
31452410,0sleep00-21swapper/022:51:210
2709224129,9sleep00-21swapper/019:00:260
95882400,0sleep30-21swapper/300:29:513
2731224028,8sleep50-21swapper/519:03:205
2730024029,8sleep20-21swapper/219:03:092
2714224028,8sleep40-21swapper/419:01:024
207412400,0sleep40-21swapper/421:24:274
198742400,0sleep50-21swapper/523:25:385
2495323928,8sleep10-21swapper/119:00:031
188962390,0sleep3401ktimersoftd/323:33:293
115412390,0sleep10-21swapper/100:25:571
102122390,0sleep20-21swapper/219:30:062
233052380,0sleep40-21swapper/421:14:504
180572380,0sleep00-21swapper/019:44:540
278282370,0sleep60-21swapper/623:45:416
277812360,0sleep60-21swapper/621:24:536
116492280,0sleep50-21swapper/521:57:045
27553992318,1cyclictest9-21ksoftirqd/023:21:370
193792230,0sleep50-21swapper/522:26:515
27553992016,4cyclictest9-21ksoftirqd/000:09:210
8222190,0sleep0799-21sshd23:28:290
27562991918,1cyclictest33-21ksoftirqd/222:06:002
27553991916,2cyclictest9-21ksoftirqd/021:30:090
27553991915,1cyclictest9-21ksoftirqd/023:02:210
27553991914,3cyclictest9-21ksoftirqd/023:41:520
177972190,0sleep40-21swapper/422:07:124
137522190,13sleep685150irq/25-em1-rx-023:17:306
78522180,0sleep70-21swapper/723:48:307
27574991816,1cyclictest49-21ksoftirqd/421:30:284
27553991816,1cyclictest9-21ksoftirqd/022:33:270
27553991816,1cyclictest9-21ksoftirqd/022:20:320
27553991815,1cyclictest9-21ksoftirqd/022:29:350
27553991814,1cyclictest9-21ksoftirqd/021:58:500
260142180,1sleep626013-21grepconf.sh23:00:326
131132180,0sleep20-21swapper/223:11:332
27553991716,1cyclictest9-21ksoftirqd/022:06:020
27553991716,1cyclictest9-21ksoftirqd/021:41:300
27553991715,1cyclictest9-21ksoftirqd/023:50:260
27553991715,1cyclictest9-21ksoftirqd/023:31:510
27553991715,1cyclictest9-21ksoftirqd/022:55:190
27553991715,1cyclictest9-21ksoftirqd/022:13:520
27553991715,1cyclictest9-21ksoftirqd/022:01:030
27553991715,1cyclictest9-21ksoftirqd/021:46:220
27553991715,1cyclictest9-21ksoftirqd/021:23:080
27553991711,2cyclictest9-21ksoftirqd/023:07:030
27577991613,2cyclictest23763-21grepconf.sh21:06:345
27574991615,1cyclictest49-21ksoftirqd/422:30:554
27574991615,1cyclictest49-21ksoftirqd/400:25:114
27574991614,1cyclictest49-21ksoftirqd/422:55:594
27562991614,1cyclictest33-21ksoftirqd/221:35:262
27562991613,2cyclictest33-21ksoftirqd/221:43:402
27553991615,1cyclictest9-21ksoftirqd/022:49:210
27553991614,1cyclictest9-21ksoftirqd/023:57:330
27553991614,1cyclictest9-21ksoftirqd/023:17:260
27553991614,1cyclictest9-21ksoftirqd/023:10:030
27553991614,1cyclictest9-21ksoftirqd/022:40:460
27553991614,1cyclictest9-21ksoftirqd/022:36:390
27553991614,1cyclictest9-21ksoftirqd/022:19:080
27553991614,1cyclictest9-21ksoftirqd/021:38:370
27553991614,1cyclictest9-21ksoftirqd/021:05:580
27553991614,1cyclictest9-21ksoftirqd/000:30:140
27553991614,1cyclictest9-21ksoftirqd/000:20:230
27553991614,1cyclictest9-21ksoftirqd/000:10:490
27553991614,1cyclictest9-21ksoftirqd/000:00:260
27553991613,2cyclictest9-21ksoftirqd/021:12:560
27553991612,1cyclictest9-21ksoftirqd/023:49:300
2755399161,2cyclictest121rcu_preempt23:39:170
199992160,0sleep10-21swapper/122:15:101
27574991514,1cyclictest49-21ksoftirqd/423:36:024
27574991514,1cyclictest49-21ksoftirqd/423:13:474
27574991514,1cyclictest49-21ksoftirqd/421:59:044
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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