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2026-03-25 - 17:14
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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 Mar 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35049910996,1cyclictest49-21ksoftirqd/412:06:214
245782940,2sleep3350199cyclictest10:13:533
166232800,0sleep40-21swapper/411:45:494
80612770,1sleep38003-21sshd10:07:123
80612770,1sleep38003-21sshd10:07:123
3525997471,2cyclictest12996-21cp12:06:207
3522996231,0cyclictest0-21swapper/612:06:216
46372510,2sleep3350199cyclictest11:54:293
283092510,1sleep3350199cyclictest11:21:533
333325026,9sleep60-21swapper/607:06:196
312324925,8sleep50-21swapper/507:03:295
108524828,7sleep30-21swapper/307:01:433
68382470,0sleep4471rcuc/409:27:334
244232470,1sleep71-21systemd12:12:357
145212470,0sleep70-21swapper/710:49:057
139822470,1sleep3391rcuc/311:45:403
126272470,0sleep60-21swapper/611:45:356
294352460,0sleep729436-21systemd-cgroups10:04:447
216492460,0sleep70-21swapper/710:53:147
216492460,0sleep70-21swapper/710:53:147
16012460,0sleep10-21swapper/110:48:191
138612460,0sleep70-21swapper/711:26:467
249122440,1sleep524909-21bash11:48:065
22432440,0sleep40-21swapper/409:50:004
64752430,0sleep20-21swapper/210:05:192
351399430,42cyclictest20019-21kworker/u16:312:06:215
3498994342,1cyclictest21717-21kworker/1:312:06:211
3491994342,1cyclictest28265-21kworker/0:512:06:220
333424330,9sleep70-21swapper/707:06:207
320642430,0sleep30-21swapper/310:40:443
199852430,1sleep319989-21grepconf.sh12:10:303
302624238,1sleep20-21swapper/207:02:062
29172420,1sleep42920-21kworker/u16:109:10:354
319424128,9sleep00-21swapper/007:04:280
193992410,0sleep30-21swapper/312:01:013
18932410,1sleep01890-21sshd10:55:550
18932410,1sleep01890-21sshd10:55:550
148782410,2sleep0101ktimersoftd/010:22:390
323324027,9sleep40-21swapper/407:04:564
208472400,1sleep120850-21grepconf.sh09:11:361
82132390,0sleep50-21swapper/509:18:135
3500993937,1cyclictest13550irq/24-ahci[00012:06:212
316312390,0sleep00-21swapper/011:54:100
227522390,0sleep20-21swapper/210:40:112
261182380,0sleep30-21swapper/310:04:323
302523726,8sleep10-21swapper/107:02:051
30402360,0sleep70-21swapper/710:29:357
215892360,2sleep5351399cyclictest10:28:455
306052350,0sleep00-21swapper/011:12:370
209702320,0sleep4471rcuc/411:00:484
350499234,1cyclictest49-21ksoftirqd/412:32:284
350499227,3cyclictest49-21ksoftirqd/410:03:284
350499224,3cyclictest49-21ksoftirqd/411:20:234
3504992117,1cyclictest49-21ksoftirqd/412:11:594
350499207,3cyclictest49-21ksoftirqd/409:12:534
350499205,3cyclictest49-21ksoftirqd/411:59:534
350499205,1cyclictest49-21ksoftirqd/410:15:344
241882200,1sleep61-21systemd12:12:346
350499194,3cyclictest49-21ksoftirqd/411:55:044
350499193,3cyclictest49-21ksoftirqd/411:46:484
3504991917,2cyclictest49-21ksoftirqd/410:42:244
3504991917,1cyclictest49-21ksoftirqd/411:39:074
3504991916,1cyclictest49-21ksoftirqd/410:28:024
3504991916,1cyclictest49-21ksoftirqd/409:31:434
3500991916,3cyclictest33-21ksoftirqd/211:16:492
349199191,1cyclictest131rcu_sched12:24:520
310362190,1sleep341-21ksoftirqd/312:14:553
352599183,14cyclictest396-21jbd2/sda2-810:31:367
3522991814,1cyclictest65-21ksoftirqd/611:19:386
350499188,1cyclictest49-21ksoftirqd/411:34:444
350499188,1cyclictest49-21ksoftirqd/409:45:014
350499185,1cyclictest49-21ksoftirqd/412:17:324
350499182,3cyclictest49-21ksoftirqd/412:11:234
350499182,1cyclictest49-21ksoftirqd/411:22:044
350499182,1cyclictest49-21ksoftirqd/410:48:464
3504991816,1cyclictest49-21ksoftirqd/411:15:124
3504991816,1cyclictest49-21ksoftirqd/410:21:224
3504991814,3cyclictest49-21ksoftirqd/409:59:214
3504991814,1cyclictest49-21ksoftirqd/409:26:224
3504991814,1cyclictest49-21ksoftirqd/409:26:224
350499181,3cyclictest49-21ksoftirqd/410:37:524
3500991816,1cyclictest33-21ksoftirqd/210:54:312
3500991816,1cyclictest33-21ksoftirqd/210:54:312
3500991816,1cyclictest33-21ksoftirqd/209:14:422
3500991815,2cyclictest33-21ksoftirqd/212:00:392
3491991816,1cyclictest9-21ksoftirqd/010:11:470
211842180,0sleep10-21swapper/110:26:491
352599172,14cyclictest9350-21kworker/u16:110:06:567
352599172,14cyclictest9350-21kworker/u16:110:06:567
3525991716,1cyclictest73-21ksoftirqd/709:44:457
3525991715,1cyclictest73-21ksoftirqd/711:37:117
350499174,1cyclictest49-21ksoftirqd/411:07:174
3504991715,1cyclictest492-21systemd-journal12:28:174
3504991715,1cyclictest49-21ksoftirqd/411:03:434
3504991715,1cyclictest49-21ksoftirqd/409:51:424
3504991715,1cyclictest49-21ksoftirqd/409:16:324
3504991712,3cyclictest49-21ksoftirqd/410:21:374
3504991711,4cyclictest49-21ksoftirqd/410:07:184
3504991711,4cyclictest49-21ksoftirqd/410:07:184
3500991715,1cyclictest33-21ksoftirqd/212:21:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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