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2026-08-25 - 08:27
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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 Tue Aug 25, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257359915452,57cyclictest721-21dbus-daemon22:54:464
208722790,2sleep02570299cyclictest23:47:390
101092770,1sleep6721-21dbus-daemon22:13:106
66522750,0sleep00-21swapper/023:01:330
25751997236,35cyclictest709-21systemd-logind22:54:466
125602720,0sleep3391rcuc/323:59:513
16182710,1sleep11619-21sshd00:26:161
126782710,0sleep00-21swapper/021:39:080
7922700,0sleep00-21swapper/023:21:040
150992690,0sleep60-21swapper/622:47:386
222842680,0sleep50-21swapper/500:18:275
113722540,0sleep10-21swapper/100:08:461
4022530,1sleep1404-21bash22:52:131
2574399529,22cyclictest0-21swapper/522:54:455
323982510,1sleep09-21ksoftirqd/021:34:510
323982510,1sleep09-21ksoftirqd/021:34:510
13282510,0sleep60-21swapper/622:37:536
25759994948,1cyclictest1842-21nfsd22:54:457
30132480,1sleep233-21ksoftirqd/200:19:122
174372480,0sleep10-21swapper/123:09:271
164612480,0sleep70-21swapper/723:07:337
15452480,0sleep70-21swapper/721:43:567
112722470,0sleep50-21swapper/523:07:155
71462460,0sleep57147-21systemd-cgroups21:28:005
26142460,0sleep50-21swapper/523:23:015
274902450,0sleep40-21swapper/423:33:254
2549424533,9sleep20-21swapper/219:04:322
243462450,2sleep62575199cyclictest23:56:506
103072450,0sleep50-21swapper/522:49:135
71932440,0sleep40-21swapper/421:42:244
53162440,0sleep50-21swapper/500:04:505
283092440,0sleep20-21swapper/222:17:462
110362440,0sleep70-21swapper/723:28:567
107432440,1sleep110740-21bash21:19:151
72102430,0sleep20-21swapper/223:01:352
326632430,0sleep20-21swapper/221:33:012
326632430,0sleep20-21swapper/221:33:012
315032430,0sleep20-21swapper/221:27:332
2531724331,9sleep30-21swapper/319:02:093
230312430,0sleep10-21swapper/123:27:451
160392430,0sleep30-21swapper/322:58:323
124962430,0sleep70-21swapper/722:33:057
314912420,0sleep10-21swapper/122:57:341
175622420,0sleep20-21swapper/221:55:362
25720994120,0cyclictest13550irq/24-ahci[00022:54:462
55602400,0sleep20-21swapper/200:21:052
306092400,0sleep10-21swapper/122:50:211
2547524029,8sleep50-21swapper/519:04:195
2534524027,9sleep00-21swapper/019:02:300
2529624028,9sleep40-21swapper/419:01:544
2523124029,8sleep60-21swapper/619:00:596
2525023927,8sleep70-21swapper/719:01:177
2289623926,9sleep10-21swapper/119:00:221
294592380,0sleep00-21swapper/022:14:160
27792380,2sleep62575199cyclictest22:32:326
264872380,1sleep42573599cyclictest22:15:484
25702993837,1cyclictest11070-21kworker/0:022:54:460
179242380,2sleep12571199cyclictest23:23:531
2572799370,36cyclictest0-21swapper/322:54:463
27412290,0sleep40-21swapper/422:46:564
2574399238,1cyclictest57-21ksoftirqd/523:47:445
2574399227,1cyclictest57-21ksoftirqd/521:50:085
2574399225,3cyclictest57-21ksoftirqd/523:04:415
25743992216,3cyclictest57-21ksoftirqd/521:50:225
39182210,13sleep685150irq/25-em1-rx-000:31:506
2574399219,2cyclictest57-21ksoftirqd/521:39:075
2574399219,1cyclictest57-21ksoftirqd/523:50:295
2574399218,4cyclictest57-21ksoftirqd/523:15:305
2574399218,4cyclictest57-21ksoftirqd/523:15:305
2574399218,1cyclictest57-21ksoftirqd/522:11:155
2574399215,2cyclictest57-21ksoftirqd/500:10:115
2574399213,3cyclictest57-21ksoftirqd/522:44:385
25743992114,4cyclictest57-21ksoftirqd/521:13:535
25743992114,2cyclictest57-21ksoftirqd/522:02:165
2574399206,1cyclictest57-21ksoftirqd/500:30:225
2574399198,1cyclictest57-21ksoftirqd/522:40:015
2574399198,1cyclictest57-21ksoftirqd/521:43:505
2574399197,1cyclictest57-21ksoftirqd/522:09:395
2574399196,1cyclictest57-21ksoftirqd/500:00:215
2574399195,3cyclictest57-21ksoftirqd/500:20:335
2574399194,3cyclictest57-21ksoftirqd/522:57:565
2574399192,1cyclictest57-21ksoftirqd/522:32:515
25743991916,1cyclictest57-21ksoftirqd/521:18:515
25743991910,3cyclictest57-21ksoftirqd/523:40:525
25743991910,1cyclictest57-21ksoftirqd/521:31:535
25743991910,1cyclictest57-21ksoftirqd/521:31:535
2574399185,1cyclictest57-21ksoftirqd/523:15:005
2574399183,3cyclictest57-21ksoftirqd/522:26:245
2574399183,3cyclictest57-21ksoftirqd/522:26:245
25743991814,3cyclictest57-21ksoftirqd/523:35:325
2574399180,2cyclictest131rcu_sched23:30:445
302782170,1sleep030154-21sshd00:00:440
2574399177,1cyclictest57-21ksoftirqd/522:15:255
2574399176,2cyclictest57-21ksoftirqd/521:24:295
2574399175,4cyclictest57-21ksoftirqd/500:25:415
2574399174,3cyclictest57-21ksoftirqd/523:27:055
25743991714,3cyclictest57-21ksoftirqd/521:05:265
25743991711,3cyclictest57-21ksoftirqd/500:10:425
25743991711,3cyclictest57-21ksoftirqd/500:10:425
78002160,1sleep67801-21systemd-cgroups22:02:136
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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