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2026-04-19 - 05:21
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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 792 highest latencies:
System rackaslot0.osadl.org (updated Sun Apr 19, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1389721050,1sleep313892-21bash21:27:183
307922980,0sleep130791-21sshd22:32:101
199562980,0sleep00-21swapper/023:20:140
51202670,0sleep20-21swapper/221:23:412
277272660,0sleep10-21swapper/122:40:281
238432640,1sleep223834-21sshd23:40:392
523026224,19sleep30-21swapper/319:07:203
181282600,0sleep20-21swapper/221:45:012
65292590,1sleep16530-21bash23:53:361
293742590,1sleep029355-21sshd00:24:200
256102590,1sleep325592-21sshd23:26:263
201262580,1sleep337-21rcuc/321:22:053
161142580,0sleep20-21swapper/221:39:042
139722580,0sleep20-21swapper/222:10:282
130602580,1sleep313058-21sshd23:16:403
184482570,0sleep30-21swapper/321:39:163
80302560,0sleep20-21swapper/221:52:412
137472560,1sleep313723-21sshd23:51:183
317772550,1sleep031773-21sshd00:01:320
137242550,0sleep10-21swapper/121:38:501
127272550,0sleep10-21swapper/121:44:321
117402550,0sleep20-21swapper/200:08:232
315102540,1sleep31511-21nfsd23:24:093
276732530,0sleep027672-21sshd21:40:050
562925230,18sleep20-21swapper/219:09:192
546625225,9sleep10-21swapper/119:08:301
290482520,0sleep30-21swapper/300:12:453
236732520,1sleep10-21swapper/100:35:151
201912520,0sleep10-21swapper/100:17:441
191262520,0sleep119114-21sshd23:28:471
180962510,0sleep10-21swapper/121:24:521
532925027,19sleep00-21swapper/019:07:500
242052500,1sleep224194-21sshd23:03:162
223072500,1sleep00-21swapper/023:00:150
20252500,1sleep2291ktimersoftd/200:10:202
133302500,0sleep313329-21sshd22:47:563
277602490,0sleep00-21swapper/021:34:200
277022480,0sleep00-21swapper/023:29:350
17162480,1sleep21715-21sshd23:30:092
116442480,1sleep111640-21sshd22:07:271
116442480,1sleep111640-21sshd22:07:271
298652470,1sleep10-21swapper/123:58:331
144292460,0sleep313136-21diskmemload22:19:183
155012450,0sleep00-21swapper/021:27:270
141052440,0sleep314088-21sshd22:33:373
275222400,0sleep00-21swapper/000:06:530
99652370,0sleep39966-21id22:04:283
24522270,1sleep12431-21sshd23:24:271
602699231,21cyclictest0-21swapper/223:49:382
602499220,21cyclictest0-21swapper/000:34:510
256862220,0sleep025689-21bash00:26:480
256862220,0sleep025689-21bash00:26:480
6027992119,1cyclictest0-21swapper/323:03:123
6026992119,1cyclictest0-21swapper/223:36:512
602699210,20cyclictest0-21swapper/223:19:302
6027992018,1cyclictest0-21swapper/323:43:473
6027992018,1cyclictest0-21swapper/300:15:073
6026992019,1cyclictest0-21swapper/222:39:252
99452190,1sleep01734-21runrttasks22:50:250
6024991917,1cyclictest24084-21sshd21:16:400
6024991917,1cyclictest19648-21sshd22:19:480
196602190,1sleep119642-21sshd23:46:021
64742180,1sleep30-21swapper/300:22:153
6027991817,1cyclictest0-21swapper/322:11:553
6026991816,1cyclictest13136-21diskmemload22:50:342
286192180,1sleep3381ktimersoftd/322:55:053
193112180,0sleep30-21swapper/323:05:383
6025991715,1cyclictest4870-21sshd22:50:061
602499175,11cyclictest8015-21ipmitool20:05:180
6024991715,1cyclictest16035-21sshd23:48:410
602799169,4cyclictest0-21swapper/323:37:073
6026991615,1cyclictest0-21swapper/222:59:442
6025991615,1cyclictest4711-21sshd00:30:391
602599161,14cyclictest0-21swapper/121:25:041
602499160,2cyclictest0-21swapper/023:43:170
602499160,15cyclictest0-21swapper/021:20:500
602799158,6cyclictest0-21swapper/323:11:013
6027991513,1cyclictest0-21swapper/300:01:553
602799150,12cyclictest19318-21sshd00:26:133
602799150,12cyclictest19318-21sshd00:26:133
6026991513,1cyclictest0-21swapper/222:15:342
6024991514,0cyclictest13789-21kworker/0:100:18:590
6024991513,2cyclictest31463-21kworker/0:121:00:090
6024991513,2cyclictest28694-21kworker/0:322:55:570
6024991513,2cyclictest23312-21kworker/0:123:34:250
6024991512,2cyclictest31463-21kworker/0:121:13:410
602499151,13cyclictest2824-21bash23:15:430
602499150,14cyclictest6568-21bash22:21:250
602499150,14cyclictest13136-21diskmemload21:48:520
241242150,1sleep10-21swapper/123:43:371
151302150,0sleep10-21swapper/121:53:211
602799144,9cyclictest10610-21sshd21:41:213
602799140,2cyclictest11855-21sshd00:05:273
602799140,13cyclictest0-21swapper/321:15:363
602799140,12cyclictest115650irq/25-eth022:53:203
602699140,13cyclictest5524-21bash00:19:212
602699140,13cyclictest0-21swapper/223:10:452
602699140,13cyclictest0-21swapper/222:22:292
602699140,0cyclictest0-21swapper/223:56:402
602599149,2cyclictest13460-21sshd21:10:011
602599140,13cyclictest11705-21bash22:01:411
602499149,1cyclictest13541-21kworker/0:223:35:390
602499148,3cyclictest7811-21sshd21:52:400
602499148,3cyclictest15251-21sshd22:30:460
602499145,7cyclictest11435-21kworker/0:323:56:490
602499144,4cyclictest28694-21kworker/0:322:40:310
6024991412,1cyclictest1232-21sshd23:09:570
6024991412,1cyclictest0-21swapper/000:35:270
602499140,1cyclictest0-21swapper/022:01:000
602499140,13cyclictest0-21swapper/023:14:160
602499140,11cyclictest9633-21sshd00:13:560
602499140,10cyclictest0-21swapper/022:38:480
127952140,13sleep212975-21sshd21:18:382
602799139,1cyclictest0-21swapper/322:06:053
602799139,1cyclictest0-21swapper/322:06:053
602799138,4cyclictest0-21swapper/322:41:243
602799138,2cyclictest0-21swapper/323:45:123
602799131,1cyclictest115650irq/25-eth021:45:343
6027991311,1cyclictest2896-21sshd21:55:113
602799131,11cyclictest0-21swapper/322:25:123
602799131,11cyclictest0-21swapper/322:21:533
602799131,11cyclictest0-21swapper/300:35:113
6027991310,1cyclictest7895-21sshd23:56:333
602799130,4cyclictest31220-21sshd22:35:113
602799130,4cyclictest20212-21sshd21:30:413
602799130,12cyclictest19798-21bash21:10:263
602799130,10cyclictest27501-21sshd00:32:433
602699139,1cyclictest0-21swapper/200:30:502
602699138,2cyclictest19816-21sshd22:28:222
602699131,1cyclictest115650irq/25-eth022:32:532
602699131,1cyclictest0-21swapper/222:41:192
6026991311,2cyclictest0-21swapper/222:08:032
6026991311,2cyclictest0-21swapper/222:08:032
6026991311,1cyclictest0-21swapper/223:06:582
602699130,5cyclictest0-21swapper/221:26:512
602699130,2cyclictest24394-21sshd00:26:412
602699130,2cyclictest24394-21sshd00:26:412
602699130,12cyclictest31234-21sshd22:00:282
602699130,12cyclictest30063-21sshd00:21:262
602699130,12cyclictest25440-21sshd00:35:212
602699130,12cyclictest18481-21sshd23:25:472
602699130,12cyclictest17038-21sshd23:22:502
602699130,12cyclictest1596-21sshd22:45:272
602699130,12cyclictest0-21swapper/221:56:032
602699130,12cyclictest0-21swapper/221:30:222
602599139,1cyclictest24463-21sshd22:14:261
602599139,1cyclictest0-21swapper/121:33:001
602599139,1cyclictest0-21swapper/100:26:131
602599139,1cyclictest0-21swapper/100:26:121
602599139,1cyclictest0-21swapper/100:01:461
602599138,4cyclictest27152-21sshd22:26:061
602599138,2cyclictest10930-21sshd21:15:271
602599131,1cyclictest23076-21sshd21:56:561
602599131,11cyclictest0-21swapper/122:15:421
6025991310,1cyclictest0-21swapper/123:35:301
602599130,4cyclictest0-21swapper/122:59:201
602599130,2cyclictest25660-21sshd23:12:031
602599130,12cyclictest30037-21sshd21:45:581
602599130,12cyclictest20898-21sshd23:05:481
602599130,12cyclictest11676-21sshd00:11:111
602599130,12cyclictest115650irq/25-eth022:48:481
602599130,12cyclictest10440-21perl19:15:151
602599130,12cyclictest0-21swapper/123:01:361
602599130,12cyclictest0-21swapper/122:35:021
602599130,12cyclictest0-21swapper/122:21:241
602599130,12cyclictest0-21swapper/100:24:431
602599130,10cyclictest0-21swapper/123:33:171
602499139,3cyclictest0-21swapper/022:05:110
602499139,3cyclictest0-21swapper/022:05:100
602499138,3cyclictest0-21swapper/023:50:550
602499138,2cyclictest10-21rcuc/022:12:500
602499138,2cyclictest0-21swapper/021:35:100
602499132,9cyclictest989-21sshd21:55:000
602499130,1cyclictest0-21swapper/022:25:070
602499130,11cyclictest0-21swapper/022:45:460
602799124,7cyclictest0-21swapper/320:05:303
602799121,2cyclictest0-21swapper/321:51:013
602799120,11cyclictest0-21swapper/323:30:263
602699129,2cyclictest0-21swapper/219:55:132
602699121,10cyclictest0-21swapper/223:51:242
602699121,10cyclictest0-21swapper/220:34:002
602699120,1cyclictest115650irq/25-eth021:10:492
602699120,1cyclictest0-21swapper/200:02:142
602699120,10cyclictest0-21swapper/221:46:382
602599128,1cyclictest0-21swapper/123:15:011
602599120,3cyclictest0-21swapper/120:00:171
602599120,11cyclictest0-21swapper/100:05:541
602499129,1cyclictest31463-21kworker/0:121:07:050
602499127,5cyclictest31463-21kworker/0:120:35:230
6024991211,1cyclictest31463-21kworker/0:120:30:210
602499121,10cyclictest5099-21tune2fs20:55:150
602799118,2cyclictest0-21swapper/320:30:123
602799111,1cyclictest0-21swapper/320:20:133
602799110,10cyclictest0-21swapper/319:45:143
602699119,1cyclictest0-21swapper/220:55:152
602699110,1cyclictest0-21swapper/220:45:162
602699110,11cyclictest0-21swapper/220:40:212
602699110,10cyclictest0-21swapper/221:05:142
602699110,10cyclictest0-21swapper/219:10:152
602599117,4cyclictest0-21swapper/119:50:151
602599112,8cyclictest0-21swapper/119:58:001
602599110,10cyclictest13743-21cut20:15:141
602599110,10cyclictest0-21swapper/119:30:151
602499119,2cyclictest31463-21kworker/0:120:20:170
602499119,1cyclictest0-21swapper/019:50:140
6024991110,0cyclictest31463-21kworker/0:120:25:190
602499110,8cyclictest0-21swapper/019:15:010
602499110,7cyclictest0-21swapper/020:10:140
602499110,2cyclictest0-21swapper/020:00:160
602499110,10cyclictest0-21swapper/019:35:110
602799100,9cyclictest1818-21fschecks_time19:55:133
602799100,9cyclictest0-21swapper/319:30:153
602799100,1cyclictest9048-21apache_accesses19:15:013
602799100,1cyclictest6670-21fschecks_time19:10:153
602799100,1cyclictest25055-21diskstats19:40:133
602799100,1cyclictest0-21swapper/320:50:153
602799100,10cyclictest0-21swapper/319:37:293
602699108,1cyclictest31193-21perl19:50:142
602699100,9cyclictest4566-21diskstats20:00:162
602699100,9cyclictest25662-21perl20:35:172
602699100,9cyclictest2146-21fschecks_time20:50:142
602699100,9cyclictest0-21swapper/220:20:132
602699100,1cyclictest13483-21grep19:20:152
602699100,1cyclictest13469-21df_abs20:15:132
602699100,1cyclictest10432-21expr20:10:122
602599108,1cyclictest25398-21diskstats20:35:161
602599108,1cyclictest0-21swapper/120:45:141
602599100,9cyclictest7865-21diskstats21:00:111
602599100,9cyclictest15677-21apache_volume19:25:131
602599100,9cyclictest0-21swapper/121:10:001
602599100,9cyclictest0-21swapper/120:55:161
602599100,1cyclictest0-21swapper/119:45:141
602599100,10cyclictest0-21swapper/119:35:171
602499109,1cyclictest0-21swapper/020:51:080
602499107,1cyclictest31463-21kworker/0:120:45:150
602499107,1cyclictest31463-21kworker/0:119:26:280
602499106,2cyclictest31463-21kworker/0:120:16:190
602499105,3cyclictest31463-21kworker/0:119:11:070
602499100,9cyclictest0-21swapper/019:20:140
602499100,6cyclictest0-21swapper/019:30:110
602499100,1cyclictest28341-21cut19:45:150
602499100,10cyclictest0-21swapper/019:55:090
60279990,9cyclictest0-21swapper/320:45:143
60279990,9cyclictest0-21swapper/319:50:113
60279990,8cyclictest0-21swapper/319:20:153
60279990,1cyclictest0-21swapper/321:04:093
60269997,1cyclictest0-21swapper/220:05:162
60269990,9cyclictest0-21swapper/219:35:152
60259998,1cyclictest0-21swapper/120:25:151
60259998,1cyclictest0-21swapper/119:22:171
60259991,5cyclictest0-21swapper/120:09:301
60259990,6cyclictest0-21swapper/119:11:001
60249990,8cyclictest0-21swapper/019:40:120
60249990,2cyclictest0-21swapper/020:40:110
60279988,0cyclictest0-21swapper/320:55:153
60279988,0cyclictest0-21swapper/320:10:113
60279986,1cyclictest28365-21diskstats20:40:133
60279982,5cyclictest0-21swapper/320:00:183
60279981,6cyclictest0-21swapper/320:35:203
60269988,0cyclictest0-21swapper/219:40:152
60269988,0cyclictest0-21swapper/219:15:012
60269981,6cyclictest0-21swapper/221:00:112
60269980,7cyclictest0-21swapper/219:45:162
60269980,1cyclictest0-21swapper/220:26:592
60259984,4cyclictest0-21swapper/120:32:451
60259982,4cyclictest0-21swapper/120:50:171
60259980,2cyclictest0-21swapper/120:20:101
60279975,1cyclictest16364-21fschecks_time19:25:143
60279975,1cyclictest14122-21missed_timers20:15:173
60279975,1cyclictest11015-21fschecks_time21:05:153
60279970,6cyclictest0-21swapper/320:25:133
60269977,0cyclictest0-21swapper/219:25:152
60269976,1cyclictest0-21swapper/219:30:042
60259970,6cyclictest0-21swapper/120:40:101
60259970,6cyclictest0-21swapper/120:10:141
60259970,6cyclictest0-21swapper/119:40:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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