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2026-08-05 - 13:31
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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 792 highest latencies:
System rackbslot4.osadl.org (updated Wed Aug 05, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84682630,5sleep30-21swapper/319:58:453
6140996353,5cyclictest29-21ksoftirqd/220:48:262
6132996248,9cyclictest0-21swapper/021:07:580
613299611,28cyclictest11618-21iostat23:08:380
613299611,28cyclictest11618-21iostat23:08:380
614899585,46cyclictest0-21swapper/323:12:553
614899585,46cyclictest0-21swapper/323:12:553
613299587,45cyclictest0-21swapper/021:25:570
613299585,46cyclictest29145-21ssh20:40:380
614099579,42cyclictest0-21swapper/222:27:532
550825711,38sleep00-21swapper/018:23:590
614899564,46cyclictest0-21swapper/322:41:263
614899564,46cyclictest0-21swapper/322:41:263
614899547,42cyclictest0-21swapper/321:16:103
614899543,45cyclictest29127-21ntp_states22:48:453
614899543,26cyclictest0-21swapper/321:00:423
614099547,40cyclictest25842-21sshd22:02:402
613799544,7cyclictest0-21swapper/119:33:471
6137995424,25cyclictest11234-21awk18:38:541
6137995422,27cyclictest29728-21timerwakeupswit21:23:561
6137995416,33cyclictest24524-21unixbench_singl20:33:591
6132995438,10cyclictest0-21swapper/022:29:560
6132995412,36cyclictest23723-21ksmtuned19:13:400
614899536,42cyclictest0-21swapper/321:58:543
614899534,43cyclictest0-21swapper/320:58:083
614899534,42cyclictest0-21swapper/322:34:563
614899534,42cyclictest0-21swapper/322:34:563
614899533,9cyclictest0-21swapper/320:50:483
614899533,43cyclictest0-21swapper/320:34:283
614099534,43cyclictest0-21swapper/223:15:152
614099534,42cyclictest0-21swapper/223:55:342
614099534,42cyclictest0-21swapper/223:55:342
6137995324,24cyclictest9328-21/usr/sbin/munin22:23:541
6137995324,24cyclictest21854-21uname21:13:511
6137995322,26cyclictest10385-21grep23:48:531
613799532,45cyclictest13618-21tr23:53:471
613799532,45cyclictest13618-21tr23:53:471
6137995318,30cyclictest26050-21unixbench_singl21:18:581
6137995310,37cyclictest31968-21unixbench_multi20:43:551
613299534,43cyclictest0-21swapper/023:37:240
613299534,43cyclictest0-21swapper/022:06:260
613299534,42cyclictest0-21swapper/023:46:240
613299534,42cyclictest0-21swapper/021:21:270
6132995313,34cyclictest6043-21ssh23:01:200
614899528,5cyclictest0-21swapper/322:27:163
614899524,42cyclictest0-21swapper/323:38:143
614899524,42cyclictest0-21swapper/321:43:273
614099524,43cyclictest0-21swapper/221:16:362
614099524,42cyclictest0-21swapper/221:23:272
613799524,41cyclictest23115-21ksmtuned19:10:401
613799523,42cyclictest29359-21ksmtuned19:28:411
6137995217,30cyclictest2517-21idleruntime20:48:421
6137995216,31cyclictest643-21runrttasks22:36:341
6137995216,31cyclictest643-21runrttasks22:36:341
6137995216,31cyclictest18998-21cpu21:53:371
6137995216,31cyclictest18998-21cpu21:53:371
6137995215,32cyclictest2706-21fschecks_time19:43:421
6137995215,31cyclictest14158-21switchtime22:28:521
6137995210,36cyclictest497-21ntpq22:53:501
613299527,38cyclictest0-21swapper/020:58:420
613299526,41cyclictest41ktimersoftd/020:48:380
613299524,42cyclictest0-21swapper/023:33:040
613299524,42cyclictest0-21swapper/021:55:170
613299524,42cyclictest0-21swapper/021:55:170
613299524,42cyclictest0-21swapper/020:36:420
613299523,43cyclictest0-21swapper/022:22:360
6132995212,34cyclictest21094-21ssh23:21:010
614899514,41cyclictest0-21swapper/323:48:123
614899514,41cyclictest0-21swapper/323:13:473
614899514,40cyclictest0-21swapper/323:51:243
614899513,43cyclictest0-21swapper/321:11:483
614899513,43cyclictest0-21swapper/321:11:483
614899513,42cyclictest0-21swapper/323:24:513
614899513,42cyclictest0-21swapper/322:06:563
614099514,41cyclictest0-21swapper/222:52:492
614099514,41cyclictest0-21swapper/221:57:172
614099514,41cyclictest0-21swapper/221:57:172
614099514,40cyclictest0-21swapper/218:37:452
614099514,36cyclictest0-21swapper/220:58:522
614099513,42cyclictest0-21swapper/220:58:182
614099513,41cyclictest0-21swapper/221:19:272
614099513,41cyclictest0-21swapper/221:05:482
6137995123,23cyclictest11543-21fschecks_count21:43:401
6137995121,24cyclictest10802-21crond23:08:221
6137995116,30cyclictest7089-21switchtime19:53:551
6137995115,31cyclictest17500-21cpu20:23:401
6137995114,31cyclictest22989-21sh23:23:421
613299519,37cyclictest8796-21ssh20:57:280
613299515,39cyclictest0-21swapper/022:16:120
613299514,41cyclictest0-21swapper/021:36:570
613299514,11cyclictest0-21swapper/020:30:480
613299514,10cyclictest0-21swapper/021:12:380
613299514,10cyclictest0-21swapper/021:12:380
613299513,42cyclictest0-21swapper/023:03:460
613299513,10cyclictest0-21swapper/022:26:060
6132995113,33cyclictest564-21dbus-daemon22:53:220
6132995110,34cyclictest8364-21ntp_states21:38:520
614899508,35cyclictest0-21swapper/321:18:433
614899504,40cyclictest0-21swapper/321:42:573
614899504,40cyclictest0-21swapper/321:28:573
614899503,41cyclictest28968-21crond19:28:273
614899503,41cyclictest0-21swapper/321:33:263
614899502,25cyclictest4907-21ssh22:58:563
614099503,41cyclictest0-21swapper/222:54:152
6140995012,33cyclictest25800-21sed22:43:522
613799504,9cyclictest0-21swapper/123:22:161
613799504,14cyclictest0-21swapper/120:18:481
613799504,14cyclictest0-21swapper/120:18:481
613799504,13cyclictest0-21swapper/123:47:091
6137995016,29cyclictest7502-21ntpq18:28:521
6137995016,29cyclictest28744-21idleruntime22:48:381
6137995013,31cyclictest14422-21timerandwakeup21:03:531
6137995012,33cyclictest6177-21missed_timers22:18:451
6137995012,32cyclictest1059-21kernelversion19:38:441
613299508,36cyclictest29192-21/usr/sbin/munin19:28:580
613299508,36cyclictest27320-21/usr/sbin/munin19:23:420
613299508,36cyclictest15827-21ssh23:57:140
613299508,36cyclictest15827-21ssh23:57:140
613299504,41cyclictest0-21swapper/018:53:420
613299504,41cyclictest0-21swapper/018:53:420
6132995033,12cyclictest0-21swapper/021:30:570
6132995012,32cyclictest30454-21df22:08:370
6132995011,33cyclictest0-21swapper/021:47:230
614899498,36cyclictest0-21swapper/321:23:383
614899496,10cyclictest0-21swapper/320:23:403
614899494,40cyclictest0-21swapper/322:31:263
614899494,39cyclictest0-21swapper/320:29:183
614899494,10cyclictest0-21swapper/322:56:353
614899493,41cyclictest0-21swapper/323:57:143
614899493,41cyclictest0-21swapper/323:57:143
614899493,40cyclictest0-21swapper/320:39:023
614899493,10cyclictest0-21swapper/321:53:073
6148994912,31cyclictest27199-21sshd22:46:403
614099494,40cyclictest0-21swapper/223:05:502
614099494,39cyclictest0-21swapper/221:33:432
614099494,39cyclictest0-21swapper/220:41:142
614099494,38cyclictest0-21swapper/222:41:062
614099494,38cyclictest0-21swapper/222:41:062
614099494,38cyclictest0-21swapper/218:58:572
614099494,38cyclictest0-21swapper/218:58:572
614099494,10cyclictest0-21swapper/223:50:542
614099493,40cyclictest0-21swapper/223:19:352
614099493,40cyclictest0-21swapper/222:58:492
6140994911,32cyclictest0-21swapper/223:40:502
613799494,9cyclictest0-21swapper/118:33:561
613799494,38cyclictest0-21swapper/121:08:381
613799494,38cyclictest0-21swapper/121:08:381
613799494,13cyclictest0-21swapper/123:10:511
613799494,13cyclictest0-21swapper/123:10:511
613799493,11cyclictest18655-21cut18:58:521
613799493,11cyclictest18655-21cut18:58:521
613799493,10cyclictest13109-21ntp_offset18:43:521
613799492,7cyclictest6797-21sensors_temp20:53:541
613799492,41cyclictest27608-21ls22:03:541
6137994918,27cyclictest18586-21latency_hist21:53:251
6137994918,25cyclictest4778-21unixbench_multi22:58:541
6137994916,28cyclictest643-21runrttasks20:14:591
6137994916,27cyclictest22036-21unixbench_singl22:38:541
6137994916,27cyclictest22036-21unixbench_singl22:38:541
6137994916,27cyclictest10921-21timerandwakeup20:03:531
6137994915,29cyclictest9762-21fschecks_count20:58:411
6137994915,29cyclictest8833-21proc_pri19:58:541
6137994915,29cyclictest2591-21timerandwakeup23:38:521
6137994914,29cyclictest31150-21timerandwakeup23:33:511
6137994912,32cyclictest643-21runrttasks19:18:061
6137994912,31cyclictest15222-21fschecks_time23:13:381
6137994910,34cyclictest3932-21fschecks_count21:33:391
613299497,36cyclictest6748-21/usr/sbin/munin18:29:000
613299495,38cyclictest0-21swapper/023:14:180
613299495,38cyclictest0-21swapper/018:38:520
613299495,19cyclictest0-21swapper/022:33:370
613299495,19cyclictest0-21swapper/022:33:370
613299494,13cyclictest0-21swapper/019:18:500
613299493,9cyclictest0-21swapper/023:38:240
6132994912,32cyclictest16493-21ssh21:48:580
614899484,38cyclictest0-21swapper/323:39:343
614899484,38cyclictest0-21swapper/321:57:153
614899484,38cyclictest0-21swapper/321:57:153
614899484,38cyclictest0-21swapper/320:43:413
614899483,9cyclictest0-21swapper/321:04:583
614899483,39cyclictest0-21swapper/322:17:063
614099484,38cyclictest0-21swapper/223:44:242
614099484,38cyclictest0-21swapper/223:24:272
614099484,38cyclictest0-21swapper/222:34:302
614099484,38cyclictest0-21swapper/222:34:302
614099484,38cyclictest0-21swapper/222:08:572
614099484,37cyclictest0-21swapper/221:29:162
614099484,37cyclictest0-21swapper/220:33:152
6140994811,31cyclictest0-21swapper/222:05:452
613799489,34cyclictest8048-21iostat21:38:451
613799485,37cyclictest0-21swapper/120:28:591
613799483,8cyclictest24570-21wget22:43:321
613799483,18cyclictest1179-21grep21:28:551
613799482,41cyclictest22711-21tr21:58:351
6137994816,27cyclictest26981-21aten_rbpower_cu20:38:381
6137994816,26cyclictest27567-21grep19:23:421
6137994815,29cyclictest30782-21if_eth222:08:411
6137994815,29cyclictest12337-21latency20:08:481
6137994815,28cyclictest16625-21latency18:53:471
6137994815,28cyclictest16625-21latency18:53:471
613299488,34cyclictest703-21df_inode19:38:390
613299487,36cyclictest23783-21ssh22:42:280
613299487,36cyclictest23783-21ssh22:42:280
613299487,35cyclictest6334-21diskstats19:53:410
613299487,35cyclictest337-21ssh20:45:280
613299485,38cyclictest0-21swapper/022:56:090
613299484,12cyclictest0-21swapper/018:58:410
613299484,12cyclictest0-21swapper/018:58:410
6132994814,28cyclictest9520-21basename23:48:390
6132994813,29cyclictest23351-21ssh21:58:450
614899478,34cyclictest0-21swapper/323:31:043
614899474,37cyclictest0-21swapper/320:13:453
614899474,37cyclictest0-21swapper/320:09:023
614899474,36cyclictest0-21swapper/322:20:083
614099474,38cyclictest0-21swapper/220:34:422
614099474,37cyclictest0-21swapper/223:29:172
614099474,37cyclictest0-21swapper/222:13:252
614099474,37cyclictest0-21swapper/221:45:022
614099474,36cyclictest0-21swapper/223:35:592
614099474,36cyclictest0-21swapper/222:29:112
614099474,16cyclictest0-21swapper/221:12:242
614099474,16cyclictest0-21swapper/221:12:242
614099472,31cyclictest168692ssh21:49:462
613799473,8cyclictest26221-21/usr/sbin/munin19:18:521
6137994716,26cyclictest26434-21df_inode23:28:351
6137994712,29cyclictest0-21swapper/119:03:281
6137994712,29cyclictest0-21swapper/119:03:281
6137994711,31cyclictest643-21runrttasks18:48:301
613299477,35cyclictest24712-21ssh23:25:420
613299477,34cyclictest8617-21/usr/sbin/munin18:33:550
613299477,34cyclictest31570-21irqstats19:33:470
613299477,34cyclictest19882-21aten_rbpower_en19:03:400
613299477,34cyclictest19882-21aten_rbpower_en19:03:400
613299477,34cyclictest0-21swapper/021:14:210
613299475,37cyclictest0-21swapper/018:43:410
6132994710,31cyclictest0-21swapper/022:44:020
614899466,33cyclictest0-21swapper/319:48:283
614899465,35cyclictest0-21swapper/323:20:453
614899464,36cyclictest0-21swapper/323:04:163
614899463,39cyclictest0-21swapper/322:12:063
614099469,31cyclictest0-21swapper/220:49:002
614099468,32cyclictest0-21swapper/222:20:552
614099464,36cyclictest0-21swapper/221:42:262
614099464,35cyclictest0-21swapper/218:43:362
6140994637,5cyclictest29-21ksoftirqd/223:13:222
6140994637,5cyclictest29-21ksoftirqd/223:13:222
613799464,15cyclictest0-21swapper/122:15:261
613799462,7cyclictest4981-21needreboot19:48:491
613299464,37cyclictest0-21swapper/019:43:440
613299464,36cyclictest0-21swapper/019:51:550
613299461,39cyclictest21702-21/usr/sbin/munin19:08:520
614899454,9cyclictest0-21swapper/319:53:413
614899454,36cyclictest0-21swapper/320:21:393
614899454,36cyclictest0-21swapper/320:21:393
614899453,36cyclictest0-21swapper/320:03:353
614099454,10cyclictest0-21swapper/219:04:082
614099454,10cyclictest0-21swapper/219:04:082
614099453,36cyclictest0-21swapper/219:13:422
614099453,36cyclictest0-21swapper/218:38:462
613299454,35cyclictest0-21swapper/018:48:400
74752443,9sleep20-21swapper/219:54:272
614899444,34cyclictest0-21swapper/319:29:193
614899444,11cyclictest0-21swapper/319:39:323
614099443,35cyclictest0-21swapper/219:12:492
614099443,35cyclictest0-21swapper/218:55:502
614099443,35cyclictest0-21swapper/218:55:502
614899433,35cyclictest0-21swapper/319:33:463
614099434,9cyclictest0-21swapper/218:29:392
614899424,32cyclictest0-21swapper/319:23:283
614899414,8cyclictest0-21swapper/319:49:013
614099403,6cyclictest0-21swapper/218:53:292
287992403,9sleep20-21swapper/219:26:262
193092403,6sleep30-21swapper/318:59:513
193092403,6sleep30-21swapper/318:59:513
51152383,5sleep30-21swapper/318:23:543
423923813,19sleep20-21swapper/218:23:332
189642383,9sleep00-21swapper/020:27:360
18632383,30sleep20-21swapper/219:39:302
424323711,18sleep10-21swapper/118:23:361
251572373,6sleep30-21swapper/319:17:463
157212373,6sleep30-21swapper/318:51:423
113802370,4sleep3361ktimersoftd/318:38:583
6140993624,7cyclictest8610-21sort19:58:482
614099362,28cyclictest370-21systemd-journal19:18:442
119422363,6sleep20-21swapper/220:08:432
614099354,24cyclictest0-21swapper/219:43:382
6140993523,7cyclictest30376-21grep19:28:592
614099352,28cyclictest32709-21sh19:38:272
6148993423,7cyclictest6119-21munin-node18:28:313
6148993422,7cyclictest543-21systemd-logind18:58:293
6148993422,7cyclictest543-21systemd-logind18:58:293
614099343,25cyclictest0-21swapper/220:05:362
6132993417,12cyclictest0-21swapper/020:05:130
6132993320,8cyclictest16203-21tr20:18:490
6132993320,8cyclictest16203-21tr20:18:490
6132993316,12cyclictest0-21swapper/020:13:540
6132993315,12cyclictest0-21swapper/020:09:390
6132993315,12cyclictest0-21swapper/019:59:130
136922333,6sleep30-21swapper/318:44:463
6140993220,8cyclictest584-21gdbus20:18:272
614899314,22cyclictest0-21swapper/318:37:533
614899314,16cyclictest0-21swapper/319:04:083
614899314,16cyclictest0-21swapper/319:04:083
6148993112,14cyclictest22274-21wc19:08:493
614099314,22cyclictest0-21swapper/220:27:222
614099314,22cyclictest0-21swapper/220:18:482
614099314,22cyclictest0-21swapper/220:18:482
6140993120,6cyclictest4859-21grep19:48:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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