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2026-03-28 - 22:47
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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 Sat Mar 28, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22503991420,141cyclictest28503-21kworker/0:409:24:290
2251799133118,1cyclictest73-21ksoftirqd/709:24:307
2250499107105,1cyclictest1116-21nfsd09:24:291
1574021060,0sleep00-21swapper/009:34:120
2251599840,83cyclictest930-21kworker/u16:409:24:305
287802810,1sleep6686-21dbus-daemon12:35:116
232412800,0sleep00-21swapper/009:31:000
22516996933,36cyclictest0-21swapper/609:24:306
311012550,0sleep40-21swapper/410:56:424
252062520,0sleep20-21swapper/209:43:592
281232510,1sleep628122-21grep09:38:356
140172510,0sleep30-21swapper/310:42:393
37442500,1sleep61-21systemd10:32:496
2220325023,9sleep10-21swapper/107:03:521
2217325026,8sleep20-21swapper/207:03:292
42012490,2sleep0101ktimersoftd/011:11:520
167682490,2sleep72251799cyclictest11:59:087
122142490,0sleep20-21swapper/209:07:312
98942470,0sleep10-21swapper/112:11:431
22513994747,0cyclictest1970-21kworker/3:609:24:303
311562460,0sleep331155-21sshd09:48:013
253222460,0sleep40-21swapper/412:18:114
95622450,2sleep12250499cyclictest11:47:331
203462450,0sleep3391rcuc/309:38:083
154802450,0sleep30-21swapper/310:37:113
114682450,0sleep30-21swapper/311:01:133
42292440,1sleep54231-21bash11:52:495
36212440,0sleep6631rcuc/610:47:396
88102430,0sleep30-21swapper/311:32:373
15092430,1sleep665-21ksoftirqd/611:28:316
118562420,0sleep00-21swapper/011:34:420
265492410,0sleep40-21swapper/409:51:304
2237424129,8sleep00-21swapper/007:06:150
2207124129,9sleep30-21swapper/307:02:023
193312410,0sleep10-21swapper/111:46:201
155102410,0sleep40-21swapper/409:47:064
267172400,0sleep20-21swapper/212:25:462
2216624027,9sleep40-21swapper/407:03:234
211582400,0sleep70-21swapper/711:40:507
297432390,0sleep10-21swapper/111:24:341
2212423926,9sleep70-21swapper/707:02:467
2205523927,8sleep50-21swapper/507:01:485
170382390,1sleep665-21ksoftirqd/611:57:156
1991723826,9sleep60-21swapper/607:01:336
177592380,0sleep60-21swapper/609:13:526
177592380,0sleep60-21swapper/609:13:526
22509993737,0cyclictest13550irq/24-ahci[00009:24:302
269882360,0sleep70-21swapper/712:09:017
325692210,0sleep40-21swapper/409:59:154
22517992114,4cyclictest73-21ksoftirqd/711:10:137
22517992114,4cyclictest73-21ksoftirqd/711:10:137
22514992118,2cyclictest7429-21sshd09:24:294
253932200,0sleep20-21swapper/209:34:462
22503991917,2cyclictest9-21ksoftirqd/010:03:310
22503991917,1cyclictest9-21ksoftirqd/010:17:560
22503991917,1cyclictest9-21ksoftirqd/009:55:510
236032180,0sleep5561ktimersoftd/509:53:085
22517991817,1cyclictest73-21ksoftirqd/710:56:047
22509991816,1cyclictest33-21ksoftirqd/209:58:202
22503991816,1cyclictest9-21ksoftirqd/011:10:520
22503991816,1cyclictest9-21ksoftirqd/011:10:520
22503991816,1cyclictest9-21ksoftirqd/009:19:140
22503991815,1cyclictest9-21ksoftirqd/009:46:310
22503991814,3cyclictest9-21ksoftirqd/009:58:330
2250399181,2cyclictest9-21ksoftirqd/010:07:540
2250399180,17cyclictest1628-21kworker/0:112:06:070
284092170,1sleep328405-21sshd12:22:033
237192170,0sleep00-21swapper/009:40:130
22517991715,1cyclictest73-21ksoftirqd/712:15:217
22517991715,1cyclictest73-21ksoftirqd/709:56:107
22517991715,1cyclictest73-21ksoftirqd/709:42:147
22517991713,1cyclictest73-21ksoftirqd/709:47:257
2251799170,16cyclictest691-21systemd-logind12:27:147
22504991715,1cyclictest25-21ksoftirqd/112:06:251
22504991715,1cyclictest25-21ksoftirqd/111:02:581
2250399179,5cyclictest9-21ksoftirqd/011:57:340
22503991716,1cyclictest9-21ksoftirqd/012:27:190
22503991715,1cyclictest9-21ksoftirqd/012:09:280
22503991715,1cyclictest9-21ksoftirqd/010:46:480
22503991714,3cyclictest9-21ksoftirqd/011:18:430
22503991714,2cyclictest9-21ksoftirqd/011:02:430
22503991714,2cyclictest1-21systemd10:42:010
22503991713,1cyclictest9-21ksoftirqd/010:37:310
30352160,0sleep30-21swapper/309:42:403
22517991615,1cyclictest73-21ksoftirqd/711:20:587
22517991615,1cyclictest73-21ksoftirqd/710:33:457
22517991615,1cyclictest73-21ksoftirqd/710:29:337
22517991615,1cyclictest73-21ksoftirqd/710:24:537
22517991614,1cyclictest73-21ksoftirqd/712:25:587
22517991614,1cyclictest73-21ksoftirqd/711:28:187
22517991614,1cyclictest73-21ksoftirqd/711:12:527
22517991614,1cyclictest73-21ksoftirqd/710:46:307
22517991614,1cyclictest73-21ksoftirqd/710:41:387
22517991614,1cyclictest73-21ksoftirqd/709:27:207
22517991614,1cyclictest73-21ksoftirqd/709:17:477
22517991614,1cyclictest73-21ksoftirqd/709:06:467
22517991612,4cyclictest73-21ksoftirqd/711:04:217
22517991612,2cyclictest73-21ksoftirqd/711:35:137
22504991613,3cyclictest25-21ksoftirqd/110:02:441
22503991615,1cyclictest9-21ksoftirqd/009:46:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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