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2026-03-15 - 10:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot4.osadl.org (updated Sun Mar 15, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16036998218,58cyclictest25837-21sshd23:48:152
16036997218,48cyclictest30066-21ssh21:03:432
16036997122,42cyclictest1553-21/usr/sbin/munin20:25:492
16036997021,43cyclictest17922-21/usr/sbin/munin19:50:442
16036997021,43cyclictest17922-21/usr/sbin/munin19:50:442
16036996924,38cyclictest22499-21/usr/sbin/munin21:35:492
16036996924,38cyclictest22499-21/usr/sbin/munin21:35:492
16036996922,19cyclictest30220-21iostat_ios18:55:442
16036996920,43cyclictest25983-21/usr/sbin/munin18:45:592
16036996915,48cyclictest10436-21/usr/sbin/munin19:30:512
16036996913,50cyclictest19422-21kworker/2:023:21:102
16036996821,41cyclictest15666-21/usr/sbin/munin23:35:532
16036996820,41cyclictest4903-21grep21:55:412
16036996723,37cyclictest31330-21df_inode21:05:372
16036996722,40cyclictest12305-21/usr/sbin/munin19:35:472
16036996721,40cyclictest19785-21/usr/sbin/munin19:55:502
16036996721,40cyclictest13097-21ssh21:24:132
16036996720,41cyclictest947-21ethtool21:50:372
16036996714,47cyclictest0-21swapper/220:54:122
16036996713,8cyclictest20300-21ssh22:58:402
16036996622,37cyclictest7197-21ntp_states21:15:452
16036996620,40cyclictest27802-21memory22:25:452
16036996620,40cyclictest27802-21memory22:25:452
16036996620,40cyclictest14176-21/usr/sbin/munin19:40:502
16036996620,40cyclictest12663-21ntpq22:05:422
16036996619,13cyclictest19065-21grep21:30:532
16036996523,36cyclictest29859-21ntpdc21:45:452
16036996522,38cyclictest3841-21ssh23:20:032
16036996522,37cyclictest24117-21/usr/sbin/munin18:40:462
16036996522,37cyclictest17258-21unixbench-2d20:45:542
16036996522,37cyclictest17258-21unixbench-2d20:45:542
16036996521,38cyclictest8014-21ssh20:35:222
16036996520,39cyclictest6351-21fschecks_count22:40:362
16036996520,39cyclictest27853-21/usr/sbin/munin18:50:562
16036996519,40cyclictest27278-21/usr/sbin/munin20:15:422
16036996519,40cyclictest2226-21latency_hist22:35:222
16036996515,44cyclictest2354-21ssh22:35:322
16036996422,37cyclictest638-21runrttasks23:05:202
16036996422,36cyclictest29030-21ssh23:10:322
16036996421,37cyclictest2503-21ssh21:10:272
16036996421,37cyclictest13962-21aten_rbpower_cu21:25:352
16036996421,37cyclictest12846-21find23:30:462
16036996421,10cyclictest25006-21ssh22:21:332
16036996420,39cyclictest10197-21ssh22:02:282
16036996420,38cyclictest20997-21ssh23:41:052
16036996420,38cyclictest18835-21perl18:25:432
16036996420,38cyclictest18130-21ssh22:13:062
16036996415,41cyclictest12667-21ssh20:40:402
16036996323,8cyclictest22058-21ssh22:18:202
16036996323,34cyclictest9779-21ssh20:36:032
16036996323,14cyclictest24840-21date20:55:522
16036996320,37cyclictest26819-21ssh21:41:132
16036996319,38cyclictest31590-21/usr/sbin/munin19:00:462
16036996223,34cyclictest371-21latency_hist20:25:252
16036996222,34cyclictest6699-21/usr/sbin/munin19:20:382
16036996222,34cyclictest1072-21/usr/sbin/munin19:05:402
16036996221,35cyclictest22246-21/usr/sbin/munin18:35:522
16036996221,35cyclictest21411-21sort18:30:542
16036996221,35cyclictest11334-21users22:45:522
16036996220,36cyclictest25940-21needreboot23:05:412
16036996219,37cyclictest6474-21latency_hist19:20:272
16036996219,37cyclictest21656-21/usr/sbin/munin20:00:482
16036996121,34cyclictest23524-21/usr/sbin/munin20:05:432
16036996119,10cyclictest13940-21ssh22:50:342
1542926111,18sleep30-21swapper/318:16:103
146362619,17sleep10-21swapper/118:15:431
16036996021,34cyclictest16157-21wget19:45:362
16036995920,34cyclictest9518-21ssh23:25:582
16036995920,34cyclictest627-21snmpd18:23:432
1602799595,47cyclictest0-21swapper/120:48:131
1602799595,47cyclictest0-21swapper/120:48:131
16036995821,32cyclictest627-21snmpd19:29:512
1602799576,44cyclictest0-21swapper/122:52:101
16036995617,34cyclictest2943-21/usr/sbin/munin19:10:432
1602399564,45cyclictest0-21swapper/022:26:310
1602399564,45cyclictest0-21swapper/022:26:310
1604199555,44cyclictest0-21swapper/323:15:003
16036995518,32cyclictest27225-21latency_hist20:15:252
1602399555,44cyclictest0-21swapper/023:05:580
1604199544,44cyclictest0-21swapper/321:34:123
1602799543,7cyclictest21776-21ssh20:52:031
16023995445,5cyclictest3-21ksoftirqd/023:25:200
1602399543,46cyclictest0-21swapper/022:01:220
1604199534,43cyclictest0-21swapper/322:44:403
16027995342,7cyclictest16013-21munin-node18:20:281
1602799534,42cyclictest0-21swapper/120:38:451
1604199528,38cyclictest0-21swapper/322:55:103
1604199524,43cyclictest0-21swapper/321:24:063
1604199524,42cyclictest0-21swapper/321:16:563
1604199523,43cyclictest0-21swapper/322:35:523
1602799525,41cyclictest0-21swapper/123:18:331
1602799524,42cyclictest0-21swapper/123:02:101
1602799523,6cyclictest0-21swapper/123:10:301
16027995210,36cyclictest28403-21ssh21:44:371
1602399525,40cyclictest0-21swapper/021:35:330
1602399525,40cyclictest0-21swapper/021:35:330
1602399524,24cyclictest0-21swapper/023:44:110
1602799518,37cyclictest10399-21tune2fs21:20:371
1602799514,42cyclictest0-21swapper/120:29:341
1602399518,18cyclictest0-21swapper/021:18:410
1604199504,41cyclictest0-21swapper/320:27:453
1604199504,40cyclictest0-21swapper/323:26:303
1604199504,40cyclictest0-21swapper/323:09:503
1604199503,42cyclictest0-21swapper/322:29:313
1604199503,42cyclictest0-21swapper/322:29:313
1604199503,41cyclictest0-21swapper/321:06:533
1602799504,6cyclictest0-21swapper/122:48:101
1602399504,40cyclictest0-21swapper/020:06:440
1602399504,38cyclictest0-21swapper/020:02:510
1602399502,17cyclictest19150-21ssh20:49:360
1602399502,17cyclictest19150-21ssh20:49:360
1604199493,41cyclictest0-21swapper/323:16:203
1604199493,41cyclictest0-21swapper/322:58:303
1604199493,40cyclictest0-21swapper/321:47:363
1604199492,42cyclictest14156-21ssh22:07:473
1602799494,39cyclictest0-21swapper/123:30:361
1602799494,39cyclictest0-21swapper/121:27:041
1602399497,19cyclictest0-21swapper/020:45:120
1602399495,38cyclictest0-21swapper/022:59:440
1602399494,40cyclictest0-21swapper/022:21:290
1602399493,41cyclictest0-21swapper/023:04:290
1602399493,41cyclictest0-21swapper/020:27:340
16023994912,31cyclictest0-21swapper/020:22:440
1604199485,37cyclictest0-21swapper/323:43:483
1604199483,40cyclictest0-21swapper/322:33:513
1604199483,40cyclictest0-21swapper/320:51:433
1604199483,40cyclictest0-21swapper/320:41:533
1604199483,39cyclictest0-21swapper/320:34:543
1604199483,38cyclictest0-21swapper/322:46:503
1602799488,34cyclictest0-21swapper/122:11:041
1602799487,35cyclictest3866-21sed21:10:531
1602799484,38cyclictest0-21swapper/121:45:381
1602799484,38cyclictest0-21swapper/121:16:361
1602799483,40cyclictest0-21swapper/123:06:201
1602399485,37cyclictest0-21swapper/022:30:370
1602399484,39cyclictest0-21swapper/021:45:530
1602399484,38cyclictest0-21swapper/021:01:530
1602399483,39cyclictest0-21swapper/023:50:010
1602399481,41cyclictest27068-21sh21:00:230
1604199478,33cyclictest0-21swapper/323:45:293
1604199478,33cyclictest0-21swapper/323:24:573
1604199477,34cyclictest0-21swapper/321:01:313
1604199474,6cyclictest0-21swapper/320:37:533
1604199474,37cyclictest0-21swapper/322:20:223
1604199474,37cyclictest0-21swapper/321:15:083
1604199474,37cyclictest0-21swapper/320:55:343
1604199474,20cyclictest0-21swapper/321:51:033
1604199473,5cyclictest0-21swapper/321:25:323
16041994710,31cyclictest16763-21cpu18:20:393
16041994710,31cyclictest0-21swapper/320:49:183
16041994710,31cyclictest0-21swapper/320:49:183
1602799478,33cyclictest0-21swapper/120:57:091
1602799475,37cyclictest0-21swapper/122:58:081
1602799475,36cyclictest32034-21/usr/sbin/munin21:05:481
1602799474,37cyclictest0-21swapper/121:56:111
1602799474,37cyclictest0-21swapper/121:50:421
1602799474,37cyclictest0-21swapper/121:39:061
1602799474,37cyclictest0-21swapper/121:39:061
1602799474,37cyclictest0-21swapper/120:43:481
1602799472,38cyclictest20823-21unixbench_singl23:40:511
16027994712,30cyclictest8903-21ntp_states23:25:441
1602399474,38cyclictest0-21swapper/021:28:130
1602399474,37cyclictest0-21swapper/023:28:110
1602399474,37cyclictest0-21swapper/021:42:360
1602399474,36cyclictest0-21swapper/023:35:410
1602399473,39cyclictest0-21swapper/021:51:520
1604199464,37cyclictest0-21swapper/323:34:353
1604199464,36cyclictest0-21swapper/323:37:513
1604199464,36cyclictest0-21swapper/322:24:583
1604199464,36cyclictest0-21swapper/322:01:053
1604199464,17cyclictest0-21swapper/321:57:293
16041994633,8cyclictest0-21swapper/322:12:513
16041994615,6cyclictest28930-21diskmemload21:38:013
16041994615,6cyclictest28930-21diskmemload21:38:013
1602799469,6cyclictest6068-21ssh22:40:241
1602799468,32cyclictest0-21swapper/123:47:191
1602799468,32cyclictest0-21swapper/121:01:091
1602799467,33cyclictest0-21swapper/123:21:011
1602799467,33cyclictest0-21swapper/120:31:031
1602799465,36cyclictest30413-21wc20:20:531
1602799463,37cyclictest17711-21/usr/sbin/munin21:30:481
1602399467,33cyclictest0-21swapper/021:31:440
1602399466,34cyclictest0-21swapper/022:50:480
1602399465,35cyclictest0-21swapper/022:18:450
1602399464,37cyclictest0-21swapper/023:31:560
1602399464,36cyclictest0-21swapper/023:15:590
1602399464,36cyclictest0-21swapper/023:12:100
1602399464,36cyclictest0-21swapper/022:35:470
1602399464,36cyclictest0-21swapper/022:11:010
1602399464,36cyclictest0-21swapper/021:22:050
1602399464,36cyclictest0-21swapper/021:11:570
1602399464,36cyclictest0-21swapper/020:36:320
1602399463,38cyclictest0-21swapper/020:10:350
16023994610,30cyclictest0-21swapper/021:09:210
1604199459,31cyclictest0-21swapper/320:25:043
1604199453,36cyclictest25248-21ssh21:40:303
1602799458,7cyclictest10436-21/usr/sbin/munin19:30:551
1602799457,33cyclictest0-21swapper/123:36:571
16027994531,9cyclictest0-21swapper/122:39:111
16027994512,27cyclictest10239-21ssh22:02:331
16023994535,5cyclictest3-21ksoftirqd/020:00:240
1602399453,37cyclictest0-21swapper/022:40:440
16023994511,5cyclictest0-21swapper/021:57:530
1604199444,8cyclictest0-21swapper/319:25:373
1604199444,35cyclictest0-21swapper/320:10:583
1604199444,12cyclictest0-21swapper/323:04:533
1604199443,36cyclictest0-21swapper/318:35:273
1602799444,35cyclictest0-21swapper/122:30:101
1602799444,35cyclictest0-21swapper/122:30:101
16027994412,27cyclictest25082-21ssh22:21:411
16027994412,27cyclictest13318-21ssh22:06:001
1602399444,35cyclictest0-21swapper/019:24:340
1602399444,33cyclictest0-21swapper/022:06:470
1602399444,33cyclictest0-21swapper/020:52:170
1602399444,15cyclictest0-21swapper/022:50:020
1604199434,34cyclictest0-21swapper/318:57:493
1602799433,34cyclictest1072-21/usr/sbin/munin19:05:561
16027994311,27cyclictest892-21ssh22:32:571
1602799423,34cyclictest0-21swapper/119:16:091
1602799423,34cyclictest0-21swapper/118:55:481
1602399423,34cyclictest0-21swapper/020:34:350
1602399423,34cyclictest0-21swapper/018:42:290
292962413,8sleep00-21swapper/018:53:000
1604199413,6cyclictest0-21swapper/319:25:263
1604199413,34cyclictest0-21swapper/318:35:363
1602399413,33cyclictest0-21swapper/019:27:080
1602399413,33cyclictest0-21swapper/018:55:560
1602399413,33cyclictest0-21swapper/018:28:490
142102413,30sleep014305-21df18:15:380
8252393,6sleep30-21swapper/319:05:103
286112393,6sleep30-21swapper/318:50:503
16023993923,10cyclictest382-21systemd-journal20:20:240
137282393,7sleep00-21swapper/019:37:470
1604199383,30cyclictest0-21swapper/320:16:153
1567123814,17sleep20-21swapper/218:19:022
25802373,7sleep00-21swapper/019:08:460
254822373,6sleep30-21swapper/318:42:093
171112373,6sleep30-21swapper/319:45:553
1602799374,27cyclictest0-21swapper/119:01:071
16027993726,7cyclictest12570-21grep19:35:401
62842363,6sleep30-21swapper/319:18:103
1602799364,26cyclictest0-21swapper/120:15:351
16027993624,7cyclictest19494-21/usr/sbin/munin22:15:471
275152353,7sleep00-21swapper/018:49:060
16023993522,9cyclictest0-21swapper/018:20:280
219832343,7sleep10-21swapper/118:34:581
1604199344,25cyclictest0-21swapper/320:08:463
1604199343,25cyclictest12305-21munin-node19:35:363
16023993422,7cyclictest543-21systemd-logind19:45:250
201102332,6sleep30-21swapper/318:29:573
1602799333,25cyclictest0-21swapper/120:14:051
1602799333,24cyclictest0-21swapper/118:25:361
16023993321,7cyclictest23409-21grep18:35:570
16023993312,7cyclictest180352egrep19:50:360
16023993312,7cyclictest180352egrep19:50:360
1604199324,22cyclictest0-21swapper/319:40:533
1604199323,25cyclictest0-21swapper/319:53:283
1604199323,25cyclictest0-21swapper/319:53:283
1604199323,24cyclictest0-21swapper/318:49:273
16027993220,7cyclictest4280-21awk19:11:331
16027993218,9cyclictest0-21swapper/119:40:531
16027993216,10cyclictest0-21swapper/118:37:431
117092323,6sleep30-21swapper/319:30:583
1604199314,23cyclictest0-21swapper/319:14:483
16041993119,8cyclictest21656-21/usr/sbin/munin20:00:463
1602799314,22cyclictest0-21swapper/120:05:391
1602799314,21cyclictest0-21swapper/118:55:061
16027993121,6cyclictest9315-21ntp_offset19:25:491
16027993120,7cyclictest638-21runrttasks18:46:301
16027993120,6cyclictest21980-21fschecks_time20:00:391
16023993120,7cyclictest32680-21timerwakeupswit19:00:540
16023993113,13cyclictest2987-21basename19:10:360
16027993021,5cyclictest19785-21/usr/sbin/munin19:55:381
16027993020,6cyclictest24331-21fschecks_count18:40:411
16027993016,9cyclictest18087-21df_inode19:50:371
16027993016,9cyclictest18087-21df_inode19:50:371
1602399304,21cyclictest0-21swapper/019:15:390
16023993019,7cyclictest554-21dbus-daemon19:50:250
1604199294,20cyclictest0-21swapper/319:55:553
1604199293,22cyclictest0-21swapper/319:05:523
16027992919,6cyclictest16558-21kernelversion19:45:431
16027992916,9cyclictest0-21swapper/119:20:421
1602399294,20cyclictest0-21swapper/018:30:520
1602399294,19cyclictest0-21swapper/019:30:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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