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2026-07-22 - 18:23
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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 Jul 22, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172139911657,41cyclictest721-21dbus-daemon09:30:571
16650210196,2sleep40-21swapper/407:02:284
17251999156,0cyclictest0-21swapper/609:30:576
63452870,1sleep16340-21systemd-cgroups10:11:311
23922800,0sleep60-21swapper/611:25:456
17205996821,0cyclictest0-21swapper/009:30:570
198972580,0sleep519860-21sshd10:23:045
314502560,0sleep50-21swapper/509:32:595
204322550,0sleep10-21swapper/110:54:001
252042540,0sleep10-21swapper/112:35:561
184972540,1sleep618494-21sshd10:30:186
94092500,1sleep1464-21systemd-journal10:24:201
313172490,0sleep2321ktimersoftd/210:34:392
22232480,0sleep30-21swapper/310:13:013
118442480,1sleep611843-21bash12:26:076
272012470,1sleep727202-21sshd09:31:007
102482470,0sleep40-21swapper/409:15:364
95042450,0sleep00-21swapper/009:17:160
42992450,0sleep00-21swapper/012:11:120
247382450,2sleep01720599cyclictest09:10:590
236272450,0sleep40-21swapper/412:08:354
181762450,1sleep518178-21grepconf.sh10:30:175
17245994544,1cyclictest12158-21kworker/5:009:30:575
313202440,0sleep30-21swapper/310:29:113
221862440,0sleep30-21swapper/309:48:503
152682440,0sleep615269-21systemd-cgroups11:39:066
61662430,1sleep56165-21grepconf.sh11:47:385
275742430,0sleep40-21swapper/410:39:534
176742430,1sleep417677-21fschecks_time09:26:494
1686324331,9sleep50-21swapper/507:05:185
99102420,0sleep00-21swapper/009:31:490
206942420,0sleep20-21swapper/211:35:502
53332410,0sleep70-21swapper/709:51:357
218382410,0sleep30-21swapper/309:43:223
194512410,0sleep30-21swapper/311:13:563
142272410,0sleep00-21swapper/012:20:490
115972410,0sleep10-21swapper/110:11:471
104872410,2sleep71726399cyclictest10:55:187
100762410,2sleep21722199cyclictest11:49:432
80772400,1sleep18072-21bash11:29:401
219492400,0sleep10-21swapper/110:35:581
169752400,0sleep50-21swapper/509:12:165
1663724027,9sleep00-21swapper/007:02:160
1447924029,8sleep30-21swapper/307:01:393
113242400,0sleep60-21swapper/612:18:476
315532390,2sleep41723799cyclictest09:42:034
200432390,0sleep20-21swapper/212:01:132
1674323928,8sleep20-21swapper/207:03:462
1647223925,9sleep60-21swapper/607:01:586
1448323927,8sleep70-21swapper/707:01:437
135642390,0sleep70-21swapper/711:08:077
124952390,0sleep50-21swapper/512:31:355
113292390,1sleep311325-21sshd09:22:473
46832380,0sleep00-21swapper/011:11:210
323332380,2sleep11721399cyclictest11:03:451
214052380,0sleep30-21swapper/309:30:403
1447723825,9sleep10-21swapper/107:01:371
206552360,0sleep10-21swapper/109:59:381
38622320,0sleep60-21swapper/610:00:316
17221993230,1cyclictest13550irq/24-ahci[00009:30:572
170672300,1sleep773-21ksoftirqd/709:21:237
17205992622,4cyclictest9-21ksoftirqd/010:23:050
17205992417,6cyclictest9-21ksoftirqd/010:32:450
17205992319,4cyclictest9-21ksoftirqd/009:14:030
17205992316,6cyclictest9-21ksoftirqd/012:35:170
11502230,0sleep60-21swapper/611:00:146
17205992217,4cyclictest9-21ksoftirqd/011:12:150
17205992217,4cyclictest9-21ksoftirqd/009:39:130
17205992217,4cyclictest9-21ksoftirqd/009:39:130
17205992212,9cyclictest9-21ksoftirqd/010:55:050
17205992117,4cyclictest9-21ksoftirqd/011:46:370
17205992116,5cyclictest19077-21kworker/0:111:33:030
17205992115,5cyclictest9-21ksoftirqd/012:03:370
17205992115,5cyclictest9-21ksoftirqd/011:39:030
1722999200,4cyclictest32381-21sshd11:40:053
17205992015,5cyclictest9-21ksoftirqd/010:44:390
17205992015,4cyclictest9-21ksoftirqd/009:49:010
17205992015,1cyclictest26344-21kworker/0:312:00:370
17205992013,5cyclictest9-21ksoftirqd/010:04:450
17205992011,4cyclictest9-21ksoftirqd/011:25:170
1720599198,5cyclictest0-21swapper/010:40:010
1720599197,7cyclictest9-21ksoftirqd/011:21:010
1720599197,7cyclictest9-21ksoftirqd/011:21:010
17205991917,1cyclictest9-21ksoftirqd/009:59:430
17205991915,1cyclictest15-21kswork12:16:240
17205991915,0cyclictest0-21swapper/010:49:330
17205991914,5cyclictest0-21swapper/009:52:210
17205991914,5cyclictest0-21swapper/008:16:510
17205991914,5cyclictest0-21swapper/008:16:510
1720599190,19cyclictest0-21swapper/012:24:530
1720599190,18cyclictest21646-21kworker/0:511:26:500
127692190,0sleep00-21swapper/009:22:520
46412180,2sleep11721399cyclictest11:36:451
183202180,1sleep518322-21sshd11:55:395
1724599185,7cyclictest0-21swapper/511:45:075
17205991814,3cyclictest9-21ksoftirqd/012:29:200
17205991813,5cyclictest9-21ksoftirqd/010:29:350
17205991813,0cyclictest0-21swapper/008:26:010
1720599180,6cyclictest0-21swapper/008:54:330
161922180,0sleep70-21swapper/709:39:257
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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