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2026-04-21 - 15:23
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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 highest latencies:
System rackaslot0.osadl.org (updated Tue Apr 21, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
775521030,0sleep37728-21sshd11:49:393
241242870,0sleep30-21swapper/311:23:593
213872660,0sleep00-21swapper/010:47:340
320372650,0sleep132034-21sshd11:27:411
312642630,1sleep031239-21sshd09:54:080
165422620,1sleep20-21swapper/211:59:312
6672600,0sleep337-21rcuc/309:54:213
334725924,19sleep10-21swapper/107:06:021
7962570,0sleep20-21swapper/209:30:072
298192570,1sleep229796-21sshd10:42:192
49902560,0sleep10-21swapper/111:07:061
115412560,1sleep011539-21bash09:58:210
310062550,1sleep230984-21sshd09:14:482
12232550,0sleep30-21swapper/310:27:343
326952540,0sleep00-21swapper/009:45:110
236472540,0sleep20-21swapper/211:20:492
77172530,0sleep30-21swapper/309:12:333
302262530,0sleep30-21swapper/309:20:383
23502530,0sleep30-21swapper/311:43:013
228822530,0sleep222871-21sshd10:56:412
208052530,0sleep20-21swapper/212:02:522
19702530,0sleep20-21swapper/210:18:352
263432520,1sleep326341-21bash10:45:033
370225027,19sleep30-21swapper/307:07:503
119532500,0sleep20-21swapper/212:14:052
119532500,0sleep20-21swapper/212:14:052
68932490,0sleep10-21swapper/111:43:291
66662490,0sleep3440499cyclictest12:04:373
411224926,19sleep00-21swapper/007:09:510
367224926,19sleep20-21swapper/207:07:412
284122490,1sleep228402-21sshd11:18:212
101332490,0sleep20-21swapper/209:36:562
138482470,0sleep10-21swapper/112:14:161
138482470,0sleep10-21swapper/112:14:161
130342460,0sleep20-21swapper/210:13:352
62832450,0sleep30-21swapper/310:40:123
268752430,1sleep126864-21sshd09:56:421
173692420,0sleep10-21swapper/110:44:141
52752370,0sleep30-21swapper/312:28:333
78382350,1sleep07839-21fschecks_time10:40:170
4404992921,3cyclictest0-21swapper/310:15:133
440199296,19cyclictest28176-21kworker/0:112:05:430
440199296,19cyclictest28176-21kworker/0:112:05:430
440399236,7cyclictest11647-21sshd09:25:042
440199237,10cyclictest25827-19udevd09:25:050
440199233,18cyclictest0-21swapper/009:38:270
57502220,0sleep041ktimersoftd/010:15:480
4401992220,1cyclictest11082-21sshd10:01:160
202902210,0sleep041ktimersoftd/012:11:480
202902210,0sleep041ktimersoftd/012:11:480
4402992019,1cyclictest11900-21sshd11:59:051
4402992017,2cyclictest9399-21sshd10:55:251
440199203,5cyclictest0-21swapper/010:52:110
4401992011,5cyclictest9445-21kworker/0:112:32:450
257602200,1sleep325746-21sshd12:21:193
8162190,0sleep1815-21sshd12:07:001
8162190,0sleep1815-21sshd12:07:001
4403991917,1cyclictest0-21swapper/212:36:352
440199192,9cyclictest0-21swapper/012:04:210
4401991917,1cyclictest19532-21sshd11:26:290
440199190,14cyclictest0-21swapper/012:39:300
123742190,1sleep01734-21runrttasks11:19:550
4404991816,1cyclictest39-21ksoftirqd/310:00:013
4403991816,1cyclictest0-21swapper/210:34:382
440299180,17cyclictest1596-21sshd10:19:441
440199188,5cyclictest489-21jbd2/dm-0-807:15:270
440199182,11cyclictest0-21swapper/009:31:010
4401991816,1cyclictest1700-21sshd11:45:560
440199180,9cyclictest0-21swapper/009:44:550
440199180,5cyclictest0-21swapper/009:24:410
440199180,11cyclictest0-21swapper/007:37:570
142142180,0sleep30-21swapper/312:14:183
142142180,0sleep30-21swapper/312:14:183
4403991715,1cyclictest0-21swapper/211:00:212
440399164,11cyclictest30-21ksoftirqd/210:07:582
4403991611,4cyclictest30-21ksoftirqd/212:24:242
4402991614,1cyclictest11423-21sshd09:34:061
440199163,4cyclictest19131-21id10:11:020
440199162,3cyclictest8-21rcu_preempt11:33:270
440199160,15cyclictest0-21swapper/010:09:380
440199160,12cyclictest0-21swapper/010:40:000
294282160,0sleep21511-21nfsd09:44:542
268562160,0sleep20-21swapper/211:54:262
25682160,1sleep010-21rcuc/012:16:090
174632160,1sleep31734-21runrttasks09:19:343
106222160,1sleep010617-21sshd11:52:520
440499159,1cyclictest115650irq/25-eth009:37:513
440499154,10cyclictest14398-21sshd10:58:583
4404991513,1cyclictest39-21ksoftirqd/309:25:223
440499150,1cyclictest5353-21sshd11:01:033
440399155,1cyclictest30-21ksoftirqd/209:51:532
4403991513,1cyclictest30-21ksoftirqd/210:21:112
440199159,4cyclictest29824-21kworker/0:210:28:540
440199158,6cyclictest9743-21bash11:58:520
440199157,3cyclictest18304-21kworker/0:011:01:110
440199150,3cyclictest12305-21sshd11:22:500
440199150,12cyclictest0-21swapper/011:43:140
107712150,1sleep110768-21bash10:49:391
440499149,2cyclictest12722-21sshd12:05:113
440499149,2cyclictest12722-21sshd12:05:113
440499148,1cyclictest832-21bash10:06:223
4404991413,1cyclictest39-21ksoftirqd/312:33:553
4404991413,1cyclictest39-21ksoftirqd/310:52:513
4404991412,1cyclictest39-21ksoftirqd/311:36:323
440499140,1cyclictest0-21swapper/311:18:263
440499140,13cyclictest0-21swapper/310:00:373
440499140,10cyclictest0-21swapper/311:57:533
440399145,1cyclictest30-21ksoftirqd/209:56:412
440399144,1cyclictest30-21ksoftirqd/212:32:292
4403991413,1cyclictest30-21ksoftirqd/212:08:172
4403991413,1cyclictest30-21ksoftirqd/212:08:172
4403991412,1cyclictest30-21ksoftirqd/212:16:482
4403991412,1cyclictest30-21ksoftirqd/210:37:152
4403991412,1cyclictest30-21ksoftirqd/209:24:572
4403991412,1cyclictest30-21ksoftirqd/209:15:232
4403991412,1cyclictest0-21swapper/211:46:082
4403991412,1cyclictest0-21swapper/211:43:352
440399140,1cyclictest0-21swapper/209:00:172
440299149,2cyclictest0-21swapper/111:32:301
440299141,4cyclictest0-21swapper/110:02:351
4402991413,1cyclictest29475-21sshd11:12:241
440299141,12cyclictest0-21swapper/111:53:381
440299141,10cyclictest22569-21bash09:35:101
4402991410,1cyclictest115650irq/25-eth010:37:231
440199148,5cyclictest7003-21sshd09:12:290
440199148,3cyclictest12413-21sshd11:13:530
440199142,9cyclictest8351-21kworker/0:209:17:410
4401991412,1cyclictest2650-21sshd11:06:520
4401991412,1cyclictest0-21swapper/010:56:030
440199140,13cyclictest11665-21sshd12:20:080
440199140,12cyclictest0-21swapper/010:21:260
440199140,11cyclictest1596-21sshd12:27:090
440199140,11cyclictest0-21swapper/011:39:360
440199140,11cyclictest0-21swapper/010:34:470
3682140,0sleep11734-21runrttasks11:15:391
278242140,0sleep227825-21sshd10:54:132
270572140,0sleep10-21swapper/110:26:561
244842140,0sleep10-21swapper/110:32:441
80902130,0sleep339-21ksoftirqd/311:07:243
440499138,1cyclictest4052-21sshd11:13:043
440499137,2cyclictest28297-21sshd10:11:563
4404991310,3cyclictest39-21ksoftirqd/312:35:223
440499130,9cyclictest0-21swapper/310:30:073
440499130,4cyclictest24990-21sshd10:20:383
440499130,3cyclictest115650irq/25-eth010:36:413
440499130,1cyclictest1186-21sshd11:51:583
440499130,1cyclictest0-21swapper/311:30:303
440499130,1cyclictest0-21swapper/311:26:443
440499130,1cyclictest0-21swapper/309:44:323
440499130,12cyclictest4305-21sshd09:48:353
440499130,12cyclictest0-21swapper/312:15:183
440499130,11cyclictest8-21rcu_preempt09:30:113
440399139,3cyclictest0-21swapper/210:26:532
4403991312,1cyclictest30-21ksoftirqd/212:26:172
4403991312,1cyclictest30-21ksoftirqd/211:27:012
4403991311,1cyclictest30-21ksoftirqd/210:46:432
4403991311,1cyclictest30-21ksoftirqd/210:00:252
4403991311,1cyclictest30-21ksoftirqd/209:45:212
440399130,2cyclictest20468-21sshd11:05:272
440399130,12cyclictest803-21bash11:12:462
440299139,3cyclictest0-21swapper/111:38:201
440299139,1cyclictest0-21swapper/112:25:101
440299139,1cyclictest0-21swapper/111:23:351
440299139,1cyclictest0-21swapper/110:06:551
440299138,2cyclictest4991-21sshd12:16:221
440299131,11cyclictest0-21swapper/112:01:061
440299130,12cyclictest32761-21sshd09:42:041
440299130,12cyclictest30944-21sshd09:14:491
440299130,12cyclictest30602-21bash12:21:481
440299130,12cyclictest22530-21sshd09:29:061
440299130,12cyclictest11516-21diskmemload11:45:381
440299130,12cyclictest11516-21diskmemload11:00:561
440299130,12cyclictest0-21swapper/112:33:021
440299130,12cyclictest0-21swapper/109:51:021
440299130,12cyclictest0-21swapper/109:46:431
440299130,12cyclictest0-21swapper/109:20:151
440199133,6cyclictest0-21swapper/008:57:010
440199132,4cyclictest0-21swapper/008:02:350
440199132,3cyclictest0-21swapper/007:41:420
176842130,1sleep1201ktimersoftd/109:16:291
440499129,3cyclictest0-21swapper/309:00:413
440399128,1cyclictest0-21swapper/211:35:402
440399121,2cyclictest0-21swapper/207:40:152
440399120,9cyclictest24210-21sshd11:30:022
440299129,2cyclictest0-21swapper/112:36:171
440299129,2cyclictest0-21swapper/110:11:381
440299120,11cyclictest0-21swapper/110:54:221
440299120,11cyclictest0-21swapper/110:20:211
440299120,11cyclictest0-21swapper/109:00:151
440199126,5cyclictest31814-21kworker/0:108:16:050
440199121,2cyclictest0-21swapper/008:25:150
440499119,1cyclictest0-21swapper/308:20:133
440499119,1cyclictest0-21swapper/307:30:143
440499119,1cyclictest0-21swapper/307:30:143
440499110,2cyclictest0-21swapper/308:00:143
440499110,10cyclictest0-21swapper/307:50:143
440399119,1cyclictest0-21swapper/208:20:132
4403991110,1cyclictest11625-21kworker/2:208:29:482
440399110,10cyclictest0-21swapper/207:35:142
440399110,10cyclictest0-21swapper/207:15:022
440299118,2cyclictest0-21swapper/108:15:141
4402991110,1cyclictest27721-21minicom07:19:491
4402991110,1cyclictest0-21swapper/108:31:031
440299110,1cyclictest0-21swapper/108:01:331
440299110,1cyclictest0-21swapper/107:20:391
440299110,11cyclictest0-21swapper/107:46:201
440299110,10cyclictest0-21swapper/108:10:131
440199118,2cyclictest0-21swapper/008:50:140
440199118,2cyclictest0-21swapper/007:20:130
440199113,8cyclictest0-21swapper/008:22:250
440199113,7cyclictest0-21swapper/007:26:520
440199111,9cyclictest0-21swapper/008:35:240
440199111,2cyclictest0-21swapper/009:00:150
440199111,2cyclictest0-21swapper/007:50:120
440199110,8cyclictest3-21ksoftirqd/007:11:310
440199110,2cyclictest0-21swapper/007:45:150
440199110,11cyclictest31814-21kworker/0:107:55:450
440199110,10cyclictest9231-21diskstats09:05:130
440199110,10cyclictest0-21swapper/008:05:130
440199110,10cyclictest0-21swapper/007:30:140
440199110,10cyclictest0-21swapper/007:30:140
440499100,9cyclictest0-21swapper/308:35:153
440499100,9cyclictest0-21swapper/307:55:143
440499100,9cyclictest0-21swapper/307:35:143
440499100,1cyclictest0-21swapper/307:40:163
440399109,1cyclictest11625-21kworker/2:208:07:452
440399109,1cyclictest11625-21kworker/2:207:46:572
440399108,1cyclictest11625-21kworker/2:209:06:312
440399108,1cyclictest11625-21kworker/2:207:31:212
440399108,1cyclictest11625-21kworker/2:207:31:212
440399101,8cyclictest0-21swapper/207:10:142
440399100,9cyclictest32552-21fschecks_time07:55:142
440399100,9cyclictest11519-21diskstats07:20:142
440399100,9cyclictest0-21swapper/207:50:142
440399100,1cyclictest24021-21perl08:35:152
440399100,10cyclictest0-21swapper/208:00:142
440299108,1cyclictest27048-21perl08:40:151
440299108,1cyclictest0-21swapper/108:45:141
440299100,9cyclictest32541-21perl07:55:141
440299100,9cyclictest0-21swapper/108:35:151
440299100,9cyclictest0-21swapper/108:05:141
440299100,9cyclictest0-21swapper/107:50:141
440299100,9cyclictest0-21swapper/107:25:141
440299100,1cyclictest3585-21perl08:55:151
440299100,10cyclictest0-21swapper/107:12:441
440199109,1cyclictest0-21swapper/008:48:230
440199109,1cyclictest0-21swapper/008:30:230
440199104,5cyclictest0-21swapper/008:10:110
44049998,1cyclictest0-21swapper/308:05:143
44049998,1cyclictest0-21swapper/307:15:023
44049992,2cyclictest39-21ksoftirqd/308:14:593
44049990,9cyclictest0-21swapper/307:24:513
44049990,8cyclictest0-21swapper/308:49:533
44049990,1cyclictest0-21swapper/308:25:153
44039998,1cyclictest11625-21kworker/2:208:59:252
44039998,1cyclictest11625-21kworker/2:208:52:292
44039998,1cyclictest11625-21kworker/2:208:42:152
44039998,1cyclictest11625-21kworker/2:208:19:232
44039998,1cyclictest11625-21kworker/2:208:14:112
44039997,1cyclictest11625-21kworker/2:208:47:272
44039997,1cyclictest11625-21kworker/2:208:31:522
44029998,1cyclictest0-21swapper/108:52:261
44029991,7cyclictest0-21swapper/108:20:191
44029990,9cyclictest0-21swapper/109:05:141
44019995,1cyclictest0-21swapper/008:40:140
44049987,1cyclictest0-21swapper/308:58:283
44049987,1cyclictest0-21swapper/308:43:013
44049987,1cyclictest0-21swapper/308:30:163
44049985,2cyclictest26610-21fschecks_time07:45:143
44049981,6cyclictest0-21swapper/308:50:143
44049981,6cyclictest0-21swapper/308:15:173
44039987,1cyclictest11625-21kworker/2:207:25:492
44029987,1cyclictest0-21swapper/108:28:441
44029987,1cyclictest0-21swapper/107:40:151
44029982,5cyclictest0-21swapper/107:30:161
44029982,5cyclictest0-21swapper/107:30:161
44049971,5cyclictest0-21swapper/309:05:193
44049971,5cyclictest0-21swapper/307:25:113
44049970,6cyclictest0-21swapper/307:10:143
44029970,6cyclictest0-21swapper/107:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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