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2026-04-28 - 16:37
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot6.osadl.org (updated Tue Apr 28, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28442521270,119pltrace0-21swapper/507:08:415
28442521260,118pltrace0-21swapper/107:10:011
2633927157,10sleep60-21swapper/607:05:036
2849426349,10sleep30-21swapper/307:06:203
2862826248,10sleep70-21swapper/707:08:167
2858325945,10sleep00-21swapper/007:07:380
2845725945,10sleep20-21swapper/207:05:472
2871925844,10sleep40-21swapper/407:09:344
791852300,4pltrace0-21swapper/712:20:157
638952280,0pltrace0-21swapper/008:20:380
75752270,1pltrace762-21pltrace-run08:10:386
2895399230,16cyclictest0-21swapper/411:42:114
28961992116,5cyclictest0-21swapper/609:50:216
28961991914,3cyclictest0-21swapper/610:17:476
2895399190,8cyclictest191rcu_preempt07:27:514
2895399180,8cyclictest0-21swapper/412:09:564
1753752180,13pltrace19115-21perl08:45:145
2896199171,12cyclictest0-21swapper/608:52:006
28958991712,4cyclictest0-21swapper/508:00:105
28958991711,5cyclictest0-21swapper/507:43:425
2895899171,15cyclictest0-21swapper/511:19:155
2895899170,15cyclictest0-21swapper/509:30:045
2895899170,15cyclictest0-21swapper/509:30:045
28942991714,2cyclictest0-21swapper/110:25:191
28942991712,3cyclictest0-21swapper/109:29:251
2894299170,13cyclictest0-21swapper/110:51:391
28938991711,5cyclictest0-21swapper/010:58:450
2699052170,2pltrace0-21swapper/610:00:236
1753752170,11pltrace18660-21expr08:45:133
1645952170,3pltrace54-21ksoftirqd/407:45:204
531352160,0pltrace0-21swapper/707:21:587
360052160,4pltrace0-21swapper/708:17:227
2915052160,11pltrace29167-21chrt11:55:480
28961991611,3cyclictest0-21swapper/611:08:496
2896199160,15cyclictest0-21swapper/609:30:586
2896199160,15cyclictest0-21swapper/609:30:586
2896199160,15cyclictest0-21swapper/609:15:226
28958991611,3cyclictest0-21swapper/511:13:245
28958991611,2cyclictest0-21swapper/508:24:415
28958991610,5cyclictest0-21swapper/511:32:405
28958991610,5cyclictest0-21swapper/509:55:235
2895899161,8cyclictest0-21swapper/511:00:115
2895899161,4cyclictest0-21swapper/510:19:215
2895899160,4cyclictest0-21swapper/507:56:535
28953991613,2cyclictest5373-21seq09:20:044
28953991613,2cyclictest1178-21runrttasks08:14:524
28953991613,2cyclictest10518-21taskset09:29:154
2895399161,7cyclictest0-21swapper/409:00:544
2895399161,14cyclictest0-21swapper/411:21:524
2895399161,14cyclictest0-21swapper/407:59:344
2895399160,15cyclictest0-21swapper/412:21:544
2895399160,15cyclictest0-21swapper/408:08:134
2895399160,1cyclictest0-21swapper/412:00:214
28947991611,3cyclictest0-21swapper/207:56:192
2894799161,8cyclictest0-21swapper/212:14:592
2894799160,8cyclictest0-21swapper/210:22:542
2894299160,15cyclictest12435-21chrt11:25:521
2894299160,15cyclictest0-21swapper/112:14:471
2894299160,15cyclictest0-21swapper/107:16:481
2806552160,2pltrace0-21swapper/710:55:477
2311452160,10pltrace25863-21yum08:55:251
2896699155,9cyclictest0-21swapper/711:15:007
2896199159,5cyclictest0-21swapper/610:12:566
2896199151,3cyclictest0-21swapper/610:56:396
2896199150,8cyclictest0-21swapper/612:06:536
2896199150,7cyclictest0-21swapper/609:57:286
2896199150,14cyclictest0-21swapper/611:03:346
28958991512,2cyclictest0-21swapper/509:24:555
28958991511,3cyclictest0-21swapper/510:41:185
28958991511,3cyclictest0-21swapper/508:42:145
28958991510,3cyclictest0-21swapper/508:27:085
2895899150,8cyclictest0-21swapper/509:05:335
2895899150,14cyclictest0-21swapper/510:50:175
2895899150,14cyclictest0-21swapper/508:52:335
2895899150,14cyclictest0-21swapper/507:16:095
2895399159,2cyclictest54-21ksoftirqd/412:30:394
2895399159,2cyclictest54-21ksoftirqd/409:05:144
2895399159,2cyclictest54-21ksoftirqd/408:45:144
2895399155,6cyclictest54-21ksoftirqd/412:37:574
28953991512,2cyclictest530-21ntpdc11:05:184
28953991512,2cyclictest25697-21open_files11:50:164
28953991512,2cyclictest18495-21grep09:40:234
28953991512,2cyclictest18495-21grep09:40:234
28953991512,2cyclictest17603-21taskset08:41:314
28953991512,2cyclictest14136-21expr09:35:124
28953991512,2cyclictest14136-21expr09:35:124
28953991512,2cyclictest12537-21taskset11:27:204
28953991512,2cyclictest11384-21taskset10:26:144
28953991510,2cyclictest0-21swapper/408:38:174
2895399150,8cyclictest0-21swapper/409:12:394
2895399150,14cyclictest0-21swapper/410:17:384
2895399150,14cyclictest0-21swapper/409:15:204
28947991511,2cyclictest0-21swapper/208:09:462
28947991510,3cyclictest0-21swapper/208:52:362
2894799150,8cyclictest0-21swapper/210:15:232
2894799150,7cyclictest0-21swapper/207:18:302
2894799150,4cyclictest0-21swapper/209:39:272
2894799150,4cyclictest0-21swapper/209:39:272
2894799150,14cyclictest0-21swapper/211:36:012
2894799150,14cyclictest0-21swapper/210:26:272
2894799150,14cyclictest0-21swapper/210:10:222
2894799150,14cyclictest0-21swapper/208:31:112
2894299159,5cyclictest0-21swapper/108:55:001
2894299159,3cyclictest0-21swapper/111:56:531
28942991511,2cyclictest0-21swapper/107:53:101
2894299150,8cyclictest0-21swapper/108:49:181
2894299150,14cyclictest0-21swapper/109:15:131
2893899150,8cyclictest0-21swapper/008:03:520
2893899150,14cyclictest0-21swapper/009:15:140
2893899150,14cyclictest0-21swapper/007:28:200
1799252150,13pltrace54-21ksoftirqd/411:38:034
1753752150,4pltrace18463-21cpuspeed_turbos08:45:122
1645952150,3pltrace54-21ksoftirqd/407:41:114
1412752150,2pltrace0-21swapper/710:30:537
3086352140,1pltrace0-21swapper/211:03:352
2896199148,5cyclictest0-21swapper/608:01:346
28961991411,2cyclictest0-21swapper/609:20:496
2896199140,7cyclictest0-21swapper/610:21:236
2896199140,7cyclictest0-21swapper/609:46:566
2896199140,7cyclictest0-21swapper/608:48:256
2896199140,13cyclictest0-21swapper/611:44:146
2895899149,2cyclictest0-21swapper/507:50:375
28958991412,1cyclictest0-21swapper/512:15:175
28958991411,2cyclictest0-21swapper/510:20:295
2895899140,8cyclictest0-21swapper/510:47:365
2895899140,8cyclictest0-21swapper/507:37:525
2895899140,13cyclictest0-21swapper/512:28:485
2895399149,4cyclictest0-21swapper/407:33:004
2895399149,1cyclictest191rcu_preempt08:30:204
2895399148,2cyclictest54-21ksoftirqd/411:30:214
2895399144,7cyclictest54-21ksoftirqd/407:18:494
2895399144,6cyclictest54-21ksoftirqd/412:10:194
28953991411,2cyclictest25562-21taskset10:54:364
28953991411,2cyclictest1075-21expr10:10:134
2895399140,3cyclictest54-21ksoftirqd/411:19:044
2895399140,3cyclictest0-21swapper/410:56:284
28947991413,1cyclictest0-21swapper/208:55:242
2894799140,14cyclictest0-21swapper/212:20:132
2894799140,13cyclictest0-21swapper/209:15:122
2894799140,13cyclictest0-21swapper/207:35:482
28942991412,1cyclictest0-21swapper/107:55:141
2894299140,7cyclictest0-21swapper/111:44:001
2894299140,3cyclictest12450irq/20-ata_piix12:40:001
2894299140,13cyclictest0-21swapper/112:05:421
2894299140,13cyclictest0-21swapper/107:38:541
2894299140,13cyclictest0-21swapper/107:23:241
2894299140,12cyclictest0-21swapper/110:31:511
28938991413,1cyclictest12450irq/20-ata_piix07:50:210
28938991412,1cyclictest0-21swapper/007:40:120
2893899140,3cyclictest0-21swapper/012:03:290
2893899140,13cyclictest0-21swapper/012:35:120
2893899140,13cyclictest0-21swapper/008:37:120
2844252140,3pltrace29346-21cpu07:10:150
2844252140,2pltrace29491-21tr07:10:156
2420352140,3pltrace24319-21taskset09:52:141
2311452140,2pltrace25498-21cat08:55:225
683952130,5pltrace0-21swapper/211:17:152
2978952130,6pltrace0-21swapper/210:04:392
28966991310,2cyclictest0-21swapper/708:32:247
2896699130,1cyclictest0-21swapper/709:10:187
2896199139,3cyclictest0-21swapper/612:10:206
2895899138,2cyclictest0-21swapper/508:17:145
2895899130,12cyclictest0-21swapper/509:52:145
2895399139,2cyclictest54-21ksoftirqd/408:50:154
2895399138,2cyclictest54-21ksoftirqd/410:45:244
2895399138,2cyclictest54-21ksoftirqd/410:40:184
2895399138,2cyclictest54-21ksoftirqd/410:35:224
2895399138,2cyclictest54-21ksoftirqd/410:24:044
2895399137,2cyclictest5995-21switchtime08:20:214
2895399134,8cyclictest0-21swapper/411:14:304
2895399133,7cyclictest54-21ksoftirqd/407:35:224
2895399133,6cyclictest54-21ksoftirqd/410:00:124
28953991310,2cyclictest4897-21sed07:20:214
28953991310,2cyclictest32421-21unixbench-2d10:05:234
28953991310,2cyclictest27508-21cat11:55:124
28953991310,2cyclictest21509-21seq09:46:574
28953991310,2cyclictest1146-21snmpd12:25:124
2894999139,3cyclictest3746-21fschecks_time12:10:123
28949991312,1cyclictest0-21swapper/307:45:243
28949991312,1cyclictest0-21swapper/307:28:443
2894799130,12cyclictest0-21swapper/211:28:592
2894799130,12cyclictest0-21swapper/210:05:232
2894299130,7cyclictest0-21swapper/107:26:211
2894299130,12cyclictest0-21swapper/110:18:351
2894299130,12cyclictest0-21swapper/110:00:501
2894299130,1cyclictest0-21swapper/112:25:081
2893899137,4cyclictest0-21swapper/010:15:110
2893899133,9cyclictest0-21swapper/010:09:530
28938991310,2cyclictest0-21swapper/009:45:570
28938991310,2cyclictest0-21swapper/007:22:510
2893899130,13cyclictest0-21swapper/011:30:170
2893899130,12cyclictest0-21swapper/012:27:590
2844252130,1pltrace0-21swapper/207:10:152
1753752130,5pltrace0-21swapper/008:45:140
1583752130,3pltrace16052-21seq09:38:391
1583752130,3pltrace16052-21seq09:38:391
809652120,5pltrace0-21swapper/507:29:155
747652120,6pltrace0-21swapper/009:23:450
3150352120,4pltrace0-21swapper/009:08:470
3042852120,6pltrace0-21swapper/008:08:450
2896699120,12cyclictest0-21swapper/712:15:217
2896699120,11cyclictest0-21swapper/711:30:017
2896699120,11cyclictest0-21swapper/710:05:107
2896699120,11cyclictest0-21swapper/709:08:027
2896199129,2cyclictest7921-21cat11:20:136
2896199129,2cyclictest7907-21cut08:25:146
2896199129,2cyclictest22937-21tr07:55:116
2896199126,5cyclictest0-21swapper/612:20:006
2895899126,5cyclictest0-21swapper/512:08:475
2895899122,8cyclictest0-21swapper/511:45:175
2895399129,2cyclictest29573-21ls07:10:154
2895399129,2cyclictest25586-21aten_r4power_po08:00:124
2895399129,2cyclictest1283-21pltrace-run09:30:384
2895399129,2cyclictest1283-21pltrace-run09:30:384
2895399123,6cyclictest54-21ksoftirqd/407:50:154
2895399122,7cyclictest54-21ksoftirqd/408:25:144
28953991210,1cyclictest25960-21iwlist09:55:134
28949991211,1cyclictest0-21swapper/310:34:363
28949991210,1cyclictest0-21swapper/312:35:233
2894999120,12cyclictest0-21swapper/307:37:573
2894799129,2cyclictest8932-21ntp_kernel_err11:20:182
2894799129,2cyclictest31838-21munin-node07:24:122
2894799129,2cyclictest1178-21runrttasks10:43:082
2894799126,5cyclictest0-21swapper/212:08:352
28947991211,1cyclictest0-21swapper/209:45:352
2894799120,12cyclictest0-21swapper/212:36:432
2894299127,3cyclictest0-21swapper/108:18:051
2894299126,5cyclictest0-21swapper/109:32:281
2894299126,5cyclictest0-21swapper/109:32:281
2894299126,3cyclictest0-21swapper/112:00:441
2894299126,3cyclictest0-21swapper/109:44:041
2894299126,3cyclictest0-21swapper/109:44:041
28942991210,1cyclictest0-21swapper/111:30:051
2894299120,12cyclictest0-21swapper/111:45:571
2894299120,12cyclictest0-21swapper/111:00:471
2894299120,11cyclictest0-21swapper/110:10:061
2894299120,11cyclictest0-21swapper/108:03:491
2894299120,1cyclictest0-21swapper/108:30:321
2893899127,4cyclictest0-21swapper/008:34:140
2249152120,5pltrace0-21swapper/010:48:160
2203552120,7pltrace0-21swapper/207:54:122
2203552120,1pltrace0-21swapper/607:54:106
2078252120,4pltrace0-21swapper/511:43:595
1753752120,5pltrace0-21swapper/708:45:157
1691352120,1pltrace11278-21kworker/u16:2+flush-253:0@
wb_workfn
10:36:417
1583752120,5pltrace0-21swapper/609:38:416
1583752120,5pltrace0-21swapper/609:38:416
1412752120,5pltrace0-21swapper/210:34:162
125352120,0pltrace0-21swapper/511:08:145
1070752120,0pltrace0-21swapper/312:21:203
791852110,3pltrace1178-21runrttasks12:16:153
2896699119,1cyclictest0-21swapper/712:30:057
2896699119,1cyclictest0-21swapper/708:44:047
2896699119,1cyclictest0-21swapper/707:17:277
2896699118,2cyclictest1066-13audispd10:25:017
2896699112,8cyclictest0-21swapper/711:51:447
28966991110,1cyclictest0-21swapper/712:06:467
28966991110,1cyclictest0-21swapper/711:15:277
28966991110,1cyclictest0-21swapper/709:28:267
28966991110,1cyclictest0-21swapper/709:23:547
28966991110,1cyclictest0-21swapper/708:35:297
2896699110,11cyclictest0-21swapper/711:55:467
2896699110,11cyclictest0-21swapper/711:47:507
2896699110,11cyclictest0-21swapper/710:49:137
2896699110,11cyclictest0-21swapper/709:56:457
2896699110,11cyclictest0-21swapper/708:52:107
2896699110,1cyclictest0-21swapper/710:54:537
2896699110,1cyclictest0-21swapper/709:53:127
2896699110,1cyclictest0-21swapper/708:57:407
2896699110,1cyclictest0-21swapper/708:07:097
2896699110,1cyclictest0-21swapper/708:01:007
2896699110,1cyclictest0-21swapper/707:42:237
2896699110,1cyclictest0-21swapper/707:11:277
2896199119,1cyclictest5231-21sed08:20:156
2896199119,1cyclictest0-21swapper/608:15:196
2896199118,2cyclictest9597-21ntp_states09:25:176
2896199118,2cyclictest32263-21timerandwakeup10:05:236
2896199118,2cyclictest13650-21awk10:30:196
2896199115,5cyclictest0-21swapper/612:28:216
28961991110,1cyclictest0-21swapper/608:40:546
28961991110,1cyclictest0-21swapper/607:31:466
2896199110,11cyclictest0-21swapper/611:46:466
2896199110,11cyclictest0-21swapper/609:11:006
2896199110,11cyclictest0-21swapper/609:04:126
2896199110,1cyclictest0-21swapper/611:33:106
2896199110,1cyclictest0-21swapper/611:27:596
2896199110,1cyclictest0-21swapper/610:52:226
2896199110,1cyclictest0-21swapper/610:46:116
2896199110,1cyclictest0-21swapper/609:40:286
2896199110,1cyclictest0-21swapper/609:40:286
2896199110,1cyclictest0-21swapper/608:59:116
2895899118,2cyclictest1065-17sedispatch12:13:355
28958991110,1cyclictest0-21swapper/512:35:415
28958991110,1cyclictest0-21swapper/509:02:275
2895899111,8cyclictest0-21swapper/511:25:075
2895899110,11cyclictest0-21swapper/510:30:315
2895899110,1cyclictest0-21swapper/512:22:535
2895899110,1cyclictest0-21swapper/511:22:595
2895899110,1cyclictest0-21swapper/510:00:055
2895899110,1cyclictest0-21swapper/509:45:505
2895899110,1cyclictest0-21swapper/509:35:295
2895899110,1cyclictest0-21swapper/509:35:295
2895899110,1cyclictest0-21swapper/509:17:215
2895899110,1cyclictest0-21swapper/507:48:375
2895399119,1cyclictest0-21swapper/411:45:134
2895399118,2cyclictest23870-21basename08:55:124
2895399116,2cyclictest54-21ksoftirqd/411:00:114
2895399116,2cyclictest54-21ksoftirqd/409:50:124
2895399113,4cyclictest191rcu_preempt08:15:124
2895399112,6cyclictest54-21ksoftirqd/412:15:094
2895399110,1cyclictest0-21swapper/410:34:154
2894999117,3cyclictest1146-21snmpd11:51:443
28949991110,1cyclictest0-21swapper/312:05:553
28949991110,1cyclictest0-21swapper/311:03:543
28949991110,1cyclictest0-21swapper/310:49:203
28949991110,1cyclictest0-21swapper/310:41:533
28949991110,1cyclictest0-21swapper/309:26:163
28949991110,1cyclictest0-21swapper/309:14:273
28949991110,1cyclictest0-21swapper/308:57:463
28949991110,1cyclictest0-21swapper/308:15:123
28949991110,1cyclictest0-21swapper/307:30:503
2894999110,8cyclictest10050-21cpuspeed_turbos08:30:113
2894999110,3cyclictest32050-21rt-features10:05:213
2894999110,11cyclictest0-21swapper/312:29:423
2894999110,11cyclictest0-21swapper/310:39:373
2894999110,11cyclictest0-21swapper/309:41:393
2894999110,11cyclictest0-21swapper/309:41:393
2894999110,11cyclictest0-21swapper/309:24:003
2894999110,11cyclictest0-21swapper/309:08:083
2894999110,1cyclictest0-21swapper/311:08:073
2894999110,1cyclictest0-21swapper/309:18:593
2894799119,1cyclictest0-21swapper/208:15:162
2894799116,4cyclictest0-21swapper/212:01:592
2894799115,5cyclictest0-21swapper/211:11:342
2894799112,8cyclictest0-21swapper/207:26:212
28947991110,1cyclictest0-21swapper/212:25:532
28947991110,1cyclictest0-21swapper/209:54:302
28947991110,1cyclictest0-21swapper/208:42:172
28947991110,1cyclictest0-21swapper/208:37:352
28947991110,1cyclictest0-21swapper/207:43:022
2894799110,11cyclictest0-21swapper/212:31:332
2894799110,11cyclictest0-21swapper/211:30:502
2894799110,11cyclictest0-21swapper/210:57:192
2894799110,11cyclictest0-21swapper/209:43:492
2894799110,11cyclictest0-21swapper/209:43:492
2894799110,11cyclictest0-21swapper/209:12:432
2894799110,11cyclictest0-21swapper/208:14:172
2894299117,3cyclictest1146-21snmpd09:49:111
2894299116,3cyclictest0-21swapper/111:35:401
2894299112,8cyclictest0-21swapper/108:43:551
28942991110,1cyclictest0-21swapper/111:52:551
28942991110,1cyclictest0-21swapper/111:21:111
28942991110,1cyclictest0-21swapper/110:47:401
28942991110,1cyclictest0-21swapper/109:57:481
2894299110,11cyclictest0-21swapper/111:11:281
2894299110,11cyclictest0-21swapper/111:08:131
2894299110,11cyclictest0-21swapper/108:39:071
2894299110,11cyclictest0-21swapper/108:29:141
2894299110,11cyclictest0-21swapper/108:11:551
2894299110,11cyclictest0-21swapper/107:11:411
2894299110,1cyclictest0-21swapper/110:57:031
2894299110,1cyclictest0-21swapper/110:39:531
2894299110,1cyclictest0-21swapper/109:03:041
2893899119,1cyclictest0-21swapper/010:25:020
2893899117,3cyclictest1146-21snmpd10:03:470
28938991110,1cyclictest0-21swapper/012:19:590
28938991110,1cyclictest0-21swapper/011:40:090
28938991110,1cyclictest0-21swapper/011:18:570
2893899111,9cyclictest0-21swapper/012:05:160
2893899110,5cyclictest13667-21cp07:35:370
2893899110,11cyclictest0-21swapper/007:47:390
2893899110,1cyclictest0-21swapper/012:11:240
2893899110,1cyclictest0-21swapper/010:53:410
2893899110,1cyclictest0-21swapper/008:59:220
2893899110,1cyclictest0-21swapper/008:50:290
2893899110,1cyclictest0-21swapper/007:32:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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