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2026-09-17 - 04:02
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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 376 highest latencies:
System rack3slot0.osadl.org (updated Thu Sep 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26173991260,125cyclictest24407-21sshd22:29:590
2617499121119,1cyclictest1844-21nfsd22:29:591
261869911576,0cyclictest0-21swapper/422:30:004
222882900,0sleep30-21swapper/321:25:143
324412840,0sleep0111rcuc/000:00:500
26174997656,20cyclictest25-21ksoftirqd/121:37:511
181172610,1sleep218094-21sshd23:52:352
159772530,0sleep20-21swapper/223:18:392
202842510,0sleep0111rcuc/000:28:450
269992500,0sleep40-21swapper/400:11:514
269992500,0sleep40-21swapper/400:11:514
182292500,2sleep72620199cyclictest23:41:107
102112500,1sleep14757-21packagekitd00:18:291
68342480,0sleep20-21swapper/222:57:082
62432480,1sleep773-21ksoftirqd/700:33:407
99322470,0sleep10-21swapper/123:48:251
237022470,1sleep423685-21bash23:37:474
204042470,1sleep720406-21grepconf.sh23:01:387
129092470,0sleep20-21swapper/223:12:382
129092470,0sleep20-21swapper/223:12:382
94202450,1sleep39422-21sshd22:53:333
90292450,1sleep449-21ksoftirqd/422:12:014
83072450,1sleep773-21ksoftirqd/722:53:297
48302440,0sleep30-21swapper/322:57:013
234882440,0sleep40-21swapper/422:46:454
224452440,0sleep00-21swapper/021:32:560
90472430,0sleep10-21swapper/121:39:461
31032430,0sleep40-21swapper/423:10:084
31032430,0sleep40-21swapper/423:10:084
289802430,0sleep10-21swapper/122:37:451
2618399430,42cyclictest31267-21kworker/u16:421:37:513
208782430,0sleep40-21swapper/423:43:154
74762420,0sleep60-21swapper/621:04:596
2618399420,41cyclictest11277-21kworker/3:322:29:593
251002420,0sleep00-21swapper/021:42:410
207222420,1sleep120716-21sshd23:37:361
177802420,0sleep40-21swapper/422:42:444
127962420,1sleep712795-21bash23:39:027
316232410,0sleep6641ktimersoftd/622:23:006
26192994140,1cyclictest4068-21kworker/5:322:29:595
2578724129,9sleep30-21swapper/319:01:343
2568924129,9sleep50-21swapper/519:00:165
234782410,0sleep00-21swapper/000:30:530
118602410,0sleep30-21swapper/322:40:273
2619699403,37cyclictest0-21swapper/622:30:006
26177994040,0cyclictest13550irq/24-ahci[00021:37:512
2590424028,9sleep40-21swapper/419:03:114
2580824028,8sleep60-21swapper/619:01:536
2573624028,8sleep10-21swapper/119:00:521
2568424027,9sleep00-21swapper/019:00:110
210172400,0sleep60-21swapper/622:03:146
125562400,0sleep30-21swapper/323:55:563
2570023927,8sleep70-21swapper/719:00:267
2569523926,9sleep20-21swapper/219:00:212
233152390,0sleep20-21swapper/222:07:022
161582390,0sleep60-21swapper/621:45:526
107042390,0sleep30-21swapper/322:10:083
2619699384,34cyclictest0-21swapper/621:37:516
228862380,0sleep00-21swapper/021:55:470
206372380,0sleep20-21swapper/223:39:292
4042360,0sleep20-21swapper/221:20:172
26177993636,0cyclictest13550irq/24-ahci[00022:30:002
26192993535,0cyclictest12929-21kworker/5:621:37:515
25032330,0sleep60-21swapper/622:49:196
2620199300,29cyclictest22007-21kworker/7:121:37:517
2617399304,19cyclictest0-21swapper/021:37:500
30252270,0sleep30-21swapper/323:30:493
2618699256,18cyclictest0-21swapper/421:37:514
26173992518,4cyclictest131rcu_sched21:46:330
2620199240,24cyclictest13431-21kworker/7:322:30:007
26173992411,3cyclictest9-21ksoftirqd/021:29:170
26173992311,3cyclictest9-21ksoftirqd/023:40:340
26173992311,3cyclictest9-21ksoftirqd/023:37:320
2617499227,2cyclictest25-21ksoftirqd/122:00:391
2617399226,1cyclictest9-21ksoftirqd/022:29:060
2617499218,1cyclictest25-21ksoftirqd/100:23:101
2617399219,2cyclictest9-21ksoftirqd/000:21:320
2617399219,2cyclictest9-21ksoftirqd/000:05:100
2617399218,2cyclictest9-21ksoftirqd/023:21:570
2617399217,2cyclictest9-21ksoftirqd/022:55:530
2617399216,1cyclictest9-21ksoftirqd/000:14:430
26173992115,4cyclictest9-21ksoftirqd/022:20:080
26173992110,1cyclictest9-21ksoftirqd/023:10:200
26173992110,1cyclictest9-21ksoftirqd/023:10:200
2617499204,2cyclictest25-21ksoftirqd/100:02:521
2617499204,1cyclictest25-21ksoftirqd/121:22:151
2617399209,1cyclictest9-21ksoftirqd/022:05:140
2617399208,1cyclictest9-21ksoftirqd/022:39:030
2617399207,1cyclictest9-21ksoftirqd/023:49:480
26173992017,1cyclictest9-21ksoftirqd/023:01:030
26173992015,1cyclictest9-21ksoftirqd/022:02:110
26173992014,4cyclictest9-21ksoftirqd/022:43:440
144932200,0sleep00-21swapper/000:13:070
144932200,0sleep00-21swapper/000:13:070
44342190,1sleep34433-21bash22:28:583
2617499199,1cyclictest25-21ksoftirqd/100:14:041
2617499199,1cyclictest25-21ksoftirqd/100:14:041
2617499193,3cyclictest25-21ksoftirqd/122:04:471
26174991917,1cyclictest25-21ksoftirqd/123:42:141
2617399199,3cyclictest9-21ksoftirqd/023:04:470
2617399199,1cyclictest9-21ksoftirqd/023:56:520
2617399199,1cyclictest121rcu_preempt23:25:220
2617399198,1cyclictest9-21ksoftirqd/021:10:080
2617399197,1cyclictest9-21ksoftirqd/022:52:390
2617399197,1cyclictest9-21ksoftirqd/021:20:350
26173991915,1cyclictest9-21ksoftirqd/021:05:580
26173991914,4cyclictest9-21ksoftirqd/022:17:170
2617399191,1cyclictest121rcu_preempt22:44:460
26192991813,4cyclictest57-21ksoftirqd/523:07:315
26192991813,3cyclictest57-21ksoftirqd/523:55:445
2617499186,3cyclictest25-21ksoftirqd/121:53:121
26174991815,1cyclictest25-21ksoftirqd/121:17:021
26174991815,1cyclictest25-21ksoftirqd/121:17:021
2617399186,1cyclictest9-21ksoftirqd/021:17:330
2617399186,1cyclictest9-21ksoftirqd/021:17:330
2617399185,1cyclictest9-21ksoftirqd/023:17:290
2617399184,1cyclictest9-21ksoftirqd/023:46:470
2617399183,3cyclictest9-21ksoftirqd/023:30:380
2617399182,1cyclictest9-21ksoftirqd/021:49:410
325182170,1sleep432483-21bash22:28:434
26192991715,1cyclictest57-21ksoftirqd/523:03:435
26192991715,1cyclictest57-21ksoftirqd/522:10:305
26192991715,1cyclictest57-21ksoftirqd/521:20:475
26192991712,3cyclictest57-21ksoftirqd/500:25:455
2619299170,1cyclictest121rcu_preempt22:07:255
26183991712,1cyclictest41-21ksoftirqd/300:06:203
2617799170,16cyclictest25726-21kworker/2:221:27:092
2617499176,1cyclictest25-21ksoftirqd/123:24:461
2617499176,1cyclictest25-21ksoftirqd/123:08:161
2617499174,1cyclictest25-21ksoftirqd/100:06:241
26174991716,1cyclictest25-21ksoftirqd/123:29:471
26174991716,1cyclictest25-21ksoftirqd/122:44:301
26174991715,1cyclictest25-21ksoftirqd/123:58:451
26174991715,1cyclictest25-21ksoftirqd/123:49:341
26174991715,1cyclictest25-21ksoftirqd/122:42:241
26174991715,1cyclictest25-21ksoftirqd/122:23:521
26174991715,1cyclictest25-21ksoftirqd/121:55:521
26174991714,3cyclictest25-21ksoftirqd/123:21:261
2617499171,2cyclictest121rcu_preempt22:56:511
2617499171,1cyclictest25-21ksoftirqd/122:16:011
26173991715,2cyclictest9-21ksoftirqd/019:18:160
26173991715,1cyclictest9-21ksoftirqd/022:10:060
26173991710,4cyclictest16583-21kworker/0:020:13:240
242972170,1sleep224280-21bash00:13:412
242972170,1sleep224280-21bash00:13:412
2619299163,1cyclictest57-21ksoftirqd/522:17:565
26192991615,1cyclictest57-21ksoftirqd/521:28:055
26192991615,0cyclictest0-21swapper/523:37:515
26192991614,1cyclictest57-21ksoftirqd/523:43:575
26192991613,2cyclictest57-21ksoftirqd/521:57:505
26192991612,3cyclictest57-21ksoftirqd/523:31:595
26192991612,1cyclictest464-21systemd-journal23:19:355
2619299160,2cyclictest131rcu_sched23:09:485
2619299160,2cyclictest131rcu_sched23:09:485
2619299160,1cyclictest464-21systemd-journal00:23:135
2617499162,4cyclictest721-21dbus-daemon21:46:081
26174991615,1cyclictest25-21ksoftirqd/122:49:321
26174991615,1cyclictest25-21ksoftirqd/121:26:171
26174991615,1cyclictest25-21ksoftirqd/100:29:411
26174991614,1cyclictest25-21ksoftirqd/123:15:591
26174991614,1cyclictest25-21ksoftirqd/122:10:401
26174991614,1cyclictest25-21ksoftirqd/121:04:341
26174991614,1cyclictest25-21ksoftirqd/100:26:421
26174991611,3cyclictest25-21ksoftirqd/121:31:391
2617499160,16cyclictest2300-21kworker/1:523:00:281
2617499160,1cyclictest25-21ksoftirqd/122:28:161
65032150,1sleep76502-21sshd21:16:537
65032150,1sleep76502-21sshd21:16:537
273592150,0sleep427357-21systemd-cgroups22:50:454
26201991513,1cyclictest73-21ksoftirqd/721:43:157
2620199151,11cyclictest10387-21bash23:16:207
26196991513,1cyclictest65-21ksoftirqd/600:07:596
2619299159,5cyclictest57-21ksoftirqd/521:33:325
2619299159,3cyclictest57-21ksoftirqd/500:30:565
2619299159,1cyclictest57-21ksoftirqd/521:43:305
26192991514,1cyclictest57-21ksoftirqd/500:17:405
26192991513,1cyclictest57-21ksoftirqd/522:49:105
26192991513,1cyclictest57-21ksoftirqd/522:36:465
26192991513,1cyclictest57-21ksoftirqd/522:27:275
26192991513,1cyclictest57-21ksoftirqd/521:50:065
26192991513,1cyclictest57-21ksoftirqd/521:48:455
26192991513,1cyclictest57-21ksoftirqd/521:11:005
26192991513,1cyclictest57-21ksoftirqd/500:07:225
26192991513,1cyclictest57-21ksoftirqd/500:03:085
26192991511,3cyclictest57-21ksoftirqd/522:23:415
26192991510,1cyclictest57-21ksoftirqd/523:24:485
26174991513,1cyclictest25-21ksoftirqd/121:10:131
26174991512,3cyclictest25-21ksoftirqd/123:09:411
26174991512,3cyclictest25-21ksoftirqd/123:09:411
262672140,0sleep2321ktimersoftd/222:43:142
26196991413,1cyclictest65-21ksoftirqd/621:22:496
26196991412,1cyclictest65-21ksoftirqd/600:30:256
26196991411,2cyclictest1182-21bash23:15:406
26192991412,1cyclictest57-21ksoftirqd/522:49:485
26192991412,1cyclictest57-21ksoftirqd/521:59:445
26192991412,1cyclictest57-21ksoftirqd/521:18:515
26192991412,1cyclictest57-21ksoftirqd/521:18:515
26192991412,1cyclictest57-21ksoftirqd/521:04:565
26192991412,1cyclictest57-21ksoftirqd/500:14:005
26192991412,1cyclictest57-21ksoftirqd/500:14:005
26192991411,3cyclictest57-21ksoftirqd/523:53:355
26192991410,3cyclictest57-21ksoftirqd/523:15:225
2619299140,2cyclictest663-21in:imjournal23:46:325
26183991412,1cyclictest41-21ksoftirqd/322:15:423
26183991412,1cyclictest41-21ksoftirqd/300:10:543
26183991412,1cyclictest41-21ksoftirqd/300:10:543
21122140,0sleep60-21swapper/623:29:006
307582130,0sleep70-21swapper/722:01:557
2620199132,5cyclictest760-21systemd00:00:537
26201991311,1cyclictest73-21ksoftirqd/723:32:257
2620199130,12cyclictest9249-21bash22:42:147
2619699138,2cyclictest21862-21kworker/6:423:07:426
26196991312,1cyclictest65-21ksoftirqd/600:17:076
26196991311,1cyclictest65-21ksoftirqd/621:41:336
26192991311,1cyclictest57-21ksoftirqd/522:54:445
26192991310,1cyclictest57-21ksoftirqd/522:39:465
2618399139,3cyclictest41-21ksoftirqd/323:53:403
2618399139,3cyclictest41-21ksoftirqd/322:03:113
26183991312,1cyclictest41-21ksoftirqd/321:10:383
26177991311,2cyclictest33-21ksoftirqd/223:44:422
26177991311,1cyclictest33-21ksoftirqd/223:01:102
26177991311,1cyclictest33-21ksoftirqd/222:25:412
26177991311,1cyclictest33-21ksoftirqd/221:12:352
26173991311,2cyclictest9-21ksoftirqd/020:15:080
26173991311,2cyclictest0-21swapper/019:39:140
2617399130,13cyclictest16583-21kworker/0:020:55:200
2617399130,13cyclictest16583-21kworker/0:020:35:560
17772130,0sleep70-21swapper/700:14:187
17772130,0sleep70-21swapper/700:14:187
155762130,0sleep60-21swapper/619:39:476
155762130,0sleep60-21swapper/619:39:476
111112130,1sleep449-21ksoftirqd/423:33:144
2620199122,4cyclictest802-21sshd22:47:197
2620199122,4cyclictest28290-21sshd23:51:167
2620199122,4cyclictest27696-21sshd21:50:247
2620199122,4cyclictest0-21swapper/721:04:577
26201991210,1cyclictest73-21ksoftirqd/723:24:497
2620199121,5cyclictest721-21dbus-daemon23:45:427
2620199121,5cyclictest14052-21sshd00:14:537
2620199121,1cyclictest705-21nscd22:55:327
2620199120,11cyclictest27091-21kworker/7:100:08:057
2620199120,1cyclictest0-21swapper/722:15:397
26196991211,1cyclictest65-21ksoftirqd/623:01:226
26196991210,1cyclictest65-21ksoftirqd/600:10:466
26196991210,1cyclictest65-21ksoftirqd/600:10:466
2619699120,11cyclictest31546-21bash22:15:086
2619699120,11cyclictest30874-21systemd22:43:316
2618699126,3cyclictest4760-21gdbus22:37:354
2618699124,5cyclictest1-21systemd23:05:564
2618699122,4cyclictest0-21swapper/421:49:374
26186991210,1cyclictest49-21ksoftirqd/421:31:434
2618399129,1cyclictest41-21ksoftirqd/321:53:413
2618399128,3cyclictest41-21ksoftirqd/300:16:363
2618399127,3cyclictest41-21ksoftirqd/323:36:573
2618399123,5cyclictest26377-21sshd00:21:173
26183991211,1cyclictest41-21ksoftirqd/323:42:363
26183991210,1cyclictest41-21ksoftirqd/323:06:553
26183991210,1cyclictest41-21ksoftirqd/322:47:053
2618399120,1cyclictest0-21swapper/323:20:493
26177991211,1cyclictest33-21ksoftirqd/222:12:412
26177991210,2cyclictest33-21ksoftirqd/223:41:592
26177991210,1cyclictest33-21ksoftirqd/222:35:052
26177991210,1cyclictest33-21ksoftirqd/200:26:372
2617799120,12cyclictest6197-21kworker/2:423:59:032
2617799120,11cyclictest30810-21kworker/2:321:06:082
26174991211,1cyclictest20185-21kworker/1:019:14:431
2617399129,1cyclictest16583-21kworker/0:019:44:060
2617399129,1cyclictest16583-21kworker/0:019:44:060
26173991210,2cyclictest16583-21kworker/0:020:32:280
24192120,0sleep40-21swapper/421:41:174
151302120,0sleep60-21swapper/623:57:596
90082110,0sleep40-21swapper/422:17:464
41182110,0sleep50-21swapper/519:19:455
2620199114,1cyclictest28020-21/usr/sbin/munin23:09:457
2620199114,1cyclictest28020-21/usr/sbin/munin23:09:457
2620199113,2cyclictest9165-21bash21:34:067
26201991110,1cyclictest73-21ksoftirqd/723:20:107
26201991110,1cyclictest73-21ksoftirqd/723:04:327
2620199111,4cyclictest670-21rs:main7
2620199111,4cyclictest2122-21systemd-cgroups23:55:197
2620199111,4cyclictest0-21swapper/722:37:277
2620199110,2cyclictest14126-21kill21:21:067
2620199110,11cyclictest19832-21kworker/7:122:21:097
2620199110,10cyclictest15848-21kworker/7:021:56:327
2619699119,1cyclictest65-21ksoftirqd/622:06:556
2619699119,1cyclictest65-21ksoftirqd/621:18:566
2619699119,1cyclictest65-21ksoftirqd/621:18:566
2619699114,4cyclictest4757-21packagekitd23:50:296
2619699112,4cyclictest709-21systemd-logind21:25:156
26196991110,1cyclictest65-21ksoftirqd/623:48:596
26196991110,1cyclictest65-21ksoftirqd/621:10:266
26196991110,1cyclictest65-21ksoftirqd/600:24:306
26196991110,1cyclictest0-21swapper/623:39:386
2619699110,11cyclictest32290-21grepconf.sh21:33:316
2618699119,1cyclictest49-21ksoftirqd/423:44:354
2618699119,1cyclictest49-21ksoftirqd/422:23:534
2618699119,1cyclictest49-21ksoftirqd/421:07:274
2618699119,1cyclictest49-21ksoftirqd/400:02:514
2618699114,4cyclictest21450-21systemd-cgroups00:22:564
2618699113,5cyclictest24382-21latency21:19:454
2618699111,6cyclictest721-21dbus-daemon00:32:594
2618699110,11cyclictest29787-21kworker/4:123:27:054
2618399119,1cyclictest41-21ksoftirqd/322:37:003
2618399119,1cyclictest41-21ksoftirqd/321:19:243
2618399119,1cyclictest41-21ksoftirqd/321:19:243
2618399113,5cyclictest8293-21grepconf.sh21:58:423
2618399110,11cyclictest0-21swapper/323:11:313
2618399110,11cyclictest0-21swapper/323:11:313
2618399110,10cyclictest9457-21kworker/3:223:49:243
2618399110,1cyclictest0-21swapper/321:23:313
2617799118,2cyclictest33-21ksoftirqd/200:01:572
2617799112,6cyclictest709-21systemd-logind22:47:502
26177991110,1cyclictest33-21ksoftirqd/222:17:482
26177991110,1cyclictest33-21ksoftirqd/221:54:462
2617799110,10cyclictest22605-21systemd21:50:032
2617799110,10cyclictest18547-21kworker/2:623:29:222
2617399119,2cyclictest16583-21kworker/0:020:51:320
2617399119,2cyclictest16583-21kworker/0:019:20:000
2617399119,0cyclictest0-21swapper/019:14:280
26173991110,1cyclictest9-21ksoftirqd/021:04:290
26173991110,0cyclictest0-21swapper/020:20:300
246842110,0sleep70-21swapper/700:23:077
136502110,0sleep30-21swapper/323:27:453
2620199109,1cyclictest73-21ksoftirqd/722:11:377
2620199103,6cyclictest857-21polkitd21:45:187
2620199103,1cyclictest8376-21sshd22:06:107
2620199101,5cyclictest1-21systemd21:10:507
2620199101,4cyclictest0-21swapper/721:27:227
2620199100,4cyclictest20325-21sshd00:26:427
2619699109,1cyclictest65-21ksoftirqd/621:50:326
2619699109,1cyclictest65-21ksoftirqd/600:24:496
2619699108,1cyclictest85150irq/25-em1-rx-022:27:266
2619699108,1cyclictest65-21ksoftirqd/623:09:306
2619699108,1cyclictest65-21ksoftirqd/623:09:306
2619699108,1cyclictest65-21ksoftirqd/622:58:016
2619699108,1cyclictest65-21ksoftirqd/600:02:096
2619699103,4cyclictest721-21dbus-daemon22:11:126
2619699102,5cyclictest857-21polkitd23:35:416
2619699100,4cyclictest721-21dbus-daemon22:49:356
2619699100,10cyclictest0-21swapper/621:55:546
2618699109,1cyclictest49-21ksoftirqd/423:51:204
2618699109,1cyclictest49-21ksoftirqd/423:15:414
2618699108,1cyclictest49-21ksoftirqd/421:26:334
2618699108,1cyclictest49-21ksoftirqd/421:09:324
2618699108,1cyclictest49-21ksoftirqd/400:05:454
2618699107,2cyclictest49-21ksoftirqd/422:06:494
2618699107,2cyclictest13995-21grepconf.sh21:15:264
2618699107,2cyclictest13995-21grepconf.sh21:15:264
2618699105,4cyclictest26415-21bash21:56:004
2618699105,3cyclictest857-21polkitd21:48:144
2618699105,1cyclictest49-21ksoftirqd/422:55:204
26186991010,0cyclictest0-21swapper/422:59:384
2618699100,9cyclictest21158-21kworker/4:200:14:374
2618699100,9cyclictest17927-21kworker/4:100:25:414
2618399109,1cyclictest41-21ksoftirqd/321:39:503
2618399109,1cyclictest0-21swapper/321:08:333
2618399108,1cyclictest41-21ksoftirqd/323:16:203
2618399108,1cyclictest41-21ksoftirqd/322:59:523
2618399108,1cyclictest41-21ksoftirqd/322:06:303
2618399108,1cyclictest41-21ksoftirqd/321:46:483
2618399108,1cyclictest41-21ksoftirqd/300:29:243
2618399107,2cyclictest23327-21bash22:20:263
2618399103,6cyclictest15681-21sshd21:30:393
2618399102,5cyclictest721-21dbus-daemon00:02:303
2617799109,1cyclictest33-21ksoftirqd/223:07:072
2617799109,1cyclictest33-21ksoftirqd/200:18:032
2617799109,1cyclictest0-21swapper/222:21:072
2617799108,1cyclictest33-21ksoftirqd/221:43:032
2617799106,1cyclictest33-21ksoftirqd/222:54:022
2617799106,1cyclictest33-21ksoftirqd/200:05:192
2617799104,5cyclictest4500-21sshd21:29:572
2617799103,7cyclictest6957-21systemd00:29:502
2617799102,5cyclictest709-21systemd-logind21:17:022
2617799102,5cyclictest709-21systemd-logind21:17:022
2617799100,9cyclictest4625-21sshd22:00:232
2617799100,10cyclictest0-21swapper/221:48:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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