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2026-05-12 - 14:59
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Tue May 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3169722690,4sleep00-21swapper/008:28:570
172321580,4sleep248699cyclictest12:54:232
53821570,5sleep349299cyclictest09:38:563
53821570,5sleep349299cyclictest09:38:563
1068911410,3ptp4l401ktimersoftd/308:33:253
278742700,3sleep3391rcuc/309:28:523
475996414,12cyclictest28235-21tail11:08:550
475996413,13cyclictest14910-21ssh13:09:000
475996315,19cyclictest17057-21uname12:04:000
475996114,14cyclictest24261-21unixbench_multi12:44:110
273662610,2sleep00-21swapper/013:54:110
106891610,1ptp4l401ktimersoftd/313:29:353
47599609,13cyclictest21138-21ls11:34:100
475996013,13cyclictest15495-21irqrtprio11:28:590
475996013,13cyclictest15495-21irqrtprio11:28:590
475995914,12cyclictest25855-21diskmemload11:20:500
475995912,16cyclictest9908-21perl13:03:580
475995912,12cyclictest2896-21cat08:38:360
475995911,16cyclictest25855-21diskmemload13:23:300
475995911,13cyclictest0-21swapper/010:33:500
475995910,13cyclictest9683-21ls12:29:110
475995910,12cyclictest1291-21wc11:48:400
47599589,12cyclictest27376-21latency_hist11:08:390
475995811,17cyclictest22349-21sed12:43:420
475995811,12cyclictest13101-21sed08:58:360
475995811,11cyclictest30746-21bc12:18:520
475995810,15cyclictest14464-21ssh13:42:140
106891580,1ptp4l401ktimersoftd/312:38:503
492995725,4cyclictest41-21ksoftirqd/313:19:123
47599578,20cyclictest0-21swapper/014:03:430
475995712,11cyclictest25393-21ls09:23:510
475995711,11cyclictest25855-21diskmemload13:29:040
475995710,13cyclictest14273-21mailstats12:34:040
106891570,1ptp4l401ktimersoftd/313:07:483
492995630,4cyclictest41-21ksoftirqd/310:38:393
492995628,4cyclictest41-21ksoftirqd/310:58:573
47599568,17cyclictest0-21swapper/013:14:050
47599568,17cyclictest0-21swapper/013:14:050
475995612,12cyclictest9127-21date09:58:370
475995611,11cyclictest25855-21diskmemload10:51:430
475995611,11cyclictest22514-21latency_hist09:18:360
175922560,2sleep00-21swapper/010:13:570
492995529,4cyclictest41-21ksoftirqd/312:49:073
492995528,3cyclictest41-21ksoftirqd/311:18:393
475995512,17cyclictest954-21phc2sys09:38:580
475995512,17cyclictest954-21phc2sys09:38:580
475995511,9cyclictest31206-21apt-get10:38:500
475995511,12cyclictest20463-21sed13:48:430
475995510,9cyclictest21795-21if_err_ens312:08:580
106891550,1ptp4l401ktimersoftd/311:39:093
492995428,4cyclictest41-21ksoftirqd/313:39:123
47599548,19cyclictest17972-21/usr/sbin/munin09:08:500
475995411,9cyclictest11311-21python11:24:040
475995410,9cyclictest13297-21apt-get08:58:500
475995410,8cyclictest28803-21apt-get13:23:550
475995410,17cyclictest22144-21mailstats13:49:050
475995410,14cyclictest29459-21ssh12:49:380
475995410,12cyclictest579-21gltestperf11:13:550
492995327,4cyclictest41-21ksoftirqd/312:00:333
492995327,3cyclictest41-21ksoftirqd/312:18:563
492995326,4cyclictest41-21ksoftirqd/311:09:083
486995326,4cyclictest33-21ksoftirqd/213:48:432
486995326,4cyclictest33-21ksoftirqd/210:38:572
475995311,11cyclictest2631-21ssh11:48:590
475995311,11cyclictest25855-21diskmemload11:41:390
475995311,10cyclictest25855-21diskmemload12:26:100
475995311,10cyclictest18322-21ls10:58:530
475995310,8cyclictest8561-21apt-get08:48:500
475995310,14cyclictest1217-21snmp_o5powerctl12:54:070
475995310,11cyclictest12096-21cstates10:03:510
492995228,4cyclictest41-21ksoftirqd/311:53:553
492995226,4cyclictest41-21ksoftirqd/313:34:073
492995226,16cyclictest41-21ksoftirqd/310:28:543
47599529,8cyclictest19038-21apt-get10:18:500
475995213,11cyclictest25855-21diskmemload12:01:560
475995210,8cyclictest17719-21munin-run10:58:390
492995127,4cyclictest41-21ksoftirqd/308:38:533
492995126,4cyclictest41-21ksoftirqd/311:03:583
492995125,4cyclictest41-21ksoftirqd/313:59:063
492995125,4cyclictest41-21ksoftirqd/312:54:093
492995125,3cyclictest41-21ksoftirqd/312:29:013
49299511,7cyclictest24851-21munin-run09:23:363
486995126,4cyclictest33-21ksoftirqd/210:34:022
47599519,8cyclictest7572-21ssh11:54:010
475995111,9cyclictest3689-21python08:38:400
475995111,9cyclictest28863-21sensors_temp09:29:000
475995111,16cyclictest9259-21/usr/sbin/munin09:58:550
475995111,11cyclictest7362-21ssh10:47:250
475995110,8cyclictest5236-21if_enp1s0.112:59:010
326352514,35sleep10-21swapper/108:31:051
249352510,2sleep20-21swapper/212:12:352
492995027,8cyclictest41-21ksoftirqd/313:53:583
492995026,3cyclictest41-21ksoftirqd/311:28:343
492995025,4cyclictest41-21ksoftirqd/313:48:573
492995025,4cyclictest41-21ksoftirqd/313:09:023
492995025,4cyclictest41-21ksoftirqd/312:46:213
492995025,4cyclictest41-21ksoftirqd/311:48:403
492995025,4cyclictest41-21ksoftirqd/311:18:563
492995025,4cyclictest41-21ksoftirqd/309:08:553
492995024,4cyclictest41-21ksoftirqd/310:44:083
486995025,4cyclictest33-21ksoftirqd/212:13:562
486995025,4cyclictest33-21ksoftirqd/211:08:392
475995011,9cyclictest23941-21processes09:18:570
475995011,13cyclictest3382-21sed09:43:560
475995011,13cyclictest3382-21sed09:43:560
475995010,8cyclictest5945-21snmp_o5powerctl09:49:020
475995010,18cyclictest24332-21if_enp1s0.110:28:560
475995010,16cyclictest27022-21missed_timers12:14:010
54432490,4sleep15447-21unixbench_singl08:39:041
492994926,3cyclictest41-21ksoftirqd/312:05:273
492994926,3cyclictest41-21ksoftirqd/310:08:583
492994925,4cyclictest41-21ksoftirqd/309:43:483
492994925,4cyclictest41-21ksoftirqd/309:43:483
492994924,4cyclictest41-21ksoftirqd/312:13:543
486994924,4cyclictest33-21ksoftirqd/211:18:592
486994923,4cyclictest33-21ksoftirqd/212:23:552
486994923,4cyclictest33-21ksoftirqd/211:49:082
486994923,4cyclictest33-21ksoftirqd/210:43:522
486994923,4cyclictest33-21ksoftirqd/209:28:522
486994922,4cyclictest33-21ksoftirqd/211:14:022
486994921,4cyclictest33-21ksoftirqd/210:33:382
475994910,8cyclictest15636-21python10:09:000
492994824,4cyclictest41-21ksoftirqd/310:24:023
492994824,3cyclictest41-21ksoftirqd/313:46:063
492994823,3cyclictest41-21ksoftirqd/311:28:453
492994823,3cyclictest41-21ksoftirqd/311:28:453
486994824,4cyclictest33-21ksoftirqd/213:58:572
486994823,4cyclictest33-21ksoftirqd/212:48:592
486994823,4cyclictest33-21ksoftirqd/212:34:072
486994822,4cyclictest33-21ksoftirqd/212:04:102
486994822,4cyclictest33-21ksoftirqd/210:18:382
486994822,4cyclictest33-21ksoftirqd/209:09:052
475994810,16cyclictest7973-21taskset08:45:070
475994810,16cyclictest21347-21/usr/sbin/munin10:24:000
108672480,3sleep148099cyclictest09:59:051
492994730,4cyclictest41-21ksoftirqd/311:34:133
486994724,3cyclictest33-21ksoftirqd/210:58:592
486994722,4cyclictest33-21ksoftirqd/212:18:592
486994721,4cyclictest33-21ksoftirqd/211:24:022
486994714,4cyclictest33-21ksoftirqd/211:43:392
47599476,12cyclictest0-21swapper/009:03:480
475994710,8cyclictest31238-21snmp_o5powerctl09:34:010
492994627,6cyclictest41-21ksoftirqd/311:51:193
486994621,4cyclictest33-21ksoftirqd/209:33:552
486994620,4cyclictest33-21ksoftirqd/213:09:002
486994620,3cyclictest33-21ksoftirqd/213:54:112
486994620,3cyclictest33-21ksoftirqd/213:39:052
486994619,4cyclictest33-21ksoftirqd/213:48:592
47599469,8cyclictest25855-21diskmemload13:38:050
492994533,3cyclictest41-21ksoftirqd/310:19:073
486994520,4cyclictest33-21ksoftirqd/211:43:552
486994519,4cyclictest33-21ksoftirqd/213:23:592
486994519,4cyclictest33-21ksoftirqd/213:19:142
486994519,4cyclictest33-21ksoftirqd/209:23:592
486994519,3cyclictest33-21ksoftirqd/212:39:342
486994517,4cyclictest33-21ksoftirqd/212:59:052
486994515,3cyclictest33-21ksoftirqd/213:13:532
486994515,3cyclictest33-21ksoftirqd/213:13:532
106891450,0ptp4l401ktimersoftd/309:06:253
49299448,4cyclictest41-21ksoftirqd/308:59:053
492994430,3cyclictest41-21ksoftirqd/312:09:333
486994419,4cyclictest33-21ksoftirqd/210:53:552
486994419,4cyclictest33-21ksoftirqd/209:58:542
486994418,4cyclictest33-21ksoftirqd/213:28:572
486994418,4cyclictest33-21ksoftirqd/211:33:542
325862444,26sleep20-21swapper/208:30:252
492994333,3cyclictest41-21ksoftirqd/312:24:023
492994327,3cyclictest41-21ksoftirqd/313:13:483
492994327,3cyclictest41-21ksoftirqd/313:13:483
492994322,9cyclictest41-21ksoftirqd/308:48:593
486994319,4cyclictest33-21ksoftirqd/213:34:102
486994319,3cyclictest33-21ksoftirqd/209:18:542
486994318,4cyclictest33-21ksoftirqd/210:23:552
486994318,4cyclictest33-21ksoftirqd/209:38:532
486994318,4cyclictest33-21ksoftirqd/209:38:532
486994318,4cyclictest33-21ksoftirqd/208:38:522
486994317,4cyclictest33-21ksoftirqd/212:29:012
486994317,4cyclictest33-21ksoftirqd/209:03:502
492994231,3cyclictest41-21ksoftirqd/313:00:233
486994218,4cyclictest33-21ksoftirqd/209:43:512
486994218,4cyclictest33-21ksoftirqd/209:43:512
486994218,4cyclictest33-21ksoftirqd/208:58:542
486994217,4cyclictest33-21ksoftirqd/210:48:442
486994217,4cyclictest33-21ksoftirqd/208:58:372
486994216,4cyclictest33-21ksoftirqd/213:08:422
492994131,3cyclictest41-21ksoftirqd/313:27:163
492994131,3cyclictest41-21ksoftirqd/310:38:593
492994129,4cyclictest41-21ksoftirqd/310:55:093
492994127,4cyclictest41-21ksoftirqd/308:33:563
486994117,3cyclictest33-21ksoftirqd/212:44:022
486994116,4cyclictest33-21ksoftirqd/208:49:052
492994027,6cyclictest41-21ksoftirqd/310:00:553
486994016,4cyclictest33-21ksoftirqd/211:53:572
486994016,4cyclictest33-21ksoftirqd/210:04:002
486994015,4cyclictest33-21ksoftirqd/211:09:042
486994014,4cyclictest33-21ksoftirqd/211:59:032
106891400,1ptp4l401ktimersoftd/312:34:103
49299394,3cyclictest121rcu_preempt10:53:393
492993932,4cyclictest41-21ksoftirqd/310:03:423
492993926,4cyclictest41-21ksoftirqd/309:54:023
492993926,4cyclictest41-21ksoftirqd/309:23:593
492993921,3cyclictest41-21ksoftirqd/309:14:073
486993915,4cyclictest33-21ksoftirqd/209:13:542
486993914,4cyclictest33-21ksoftirqd/210:18:512
486993914,4cyclictest33-21ksoftirqd/208:43:522
486993914,4cyclictest33-21ksoftirqd/208:33:552
486993913,4cyclictest33-21ksoftirqd/211:28:522
486993913,4cyclictest33-21ksoftirqd/211:28:522
49299385,9cyclictest121rcu_preempt08:53:553
492993823,3cyclictest41-21ksoftirqd/310:13:543
486993812,4cyclictest33-21ksoftirqd/209:48:492
492993623,3cyclictest41-21ksoftirqd/309:49:063
492993622,3cyclictest41-21ksoftirqd/308:44:043
486993611,4cyclictest33-21ksoftirqd/209:53:512
49299353,3cyclictest121rcu_preempt09:33:543
486993510,3cyclictest33-21ksoftirqd/210:08:512
480993515,12cyclictest776-21kworker/u8:112:03:521
480992822,3cyclictest25-21ksoftirqd/112:03:271
480992821,4cyclictest25-21ksoftirqd/108:50:281
83182270,4sleep125-21ksoftirqd/111:54:161
480992720,4cyclictest25-21ksoftirqd/111:47:371
480992621,3cyclictest25-21ksoftirqd/113:23:551
480992619,4cyclictest25-21ksoftirqd/109:28:261
48099260,3cyclictest121rcu_preempt13:43:431
48099253,14cyclictest31224-21ssh10:38:511
480992519,3cyclictest25-21ksoftirqd/110:56:581
480992519,3cyclictest25-21ksoftirqd/109:49:561
480992518,4cyclictest25-21ksoftirqd/109:37:331
480992419,3cyclictest25-21ksoftirqd/108:59:141
480992418,3cyclictest16340-21ps09:03:551
480992417,4cyclictest25-21ksoftirqd/112:57:551
480992417,4cyclictest25-21ksoftirqd/109:13:241
480992417,3cyclictest25-21ksoftirqd/113:49:341
480992317,4cyclictest25-21ksoftirqd/109:44:321
480992317,4cyclictest25-21ksoftirqd/109:44:321
480992317,3cyclictest25-21ksoftirqd/109:22:021
480992317,3cyclictest25-21ksoftirqd/108:56:061
480992317,3cyclictest17998-21sh12:38:571
480992316,3cyclictest25-21ksoftirqd/110:47:301
48099231,4cyclictest32235-21snmp_o5powerctl12:19:051
480992313,7cyclictest7500-21snmp_o5powerctl13:34:081
48099228,4cyclictest28067-21irqrtprio12:49:001
480992217,3cyclictest25-21ksoftirqd/113:54:011
480992217,3cyclictest25-21ksoftirqd/113:44:031
480992217,3cyclictest25-21ksoftirqd/112:33:571
480992216,4cyclictest20635-21ssh11:00:211
480992216,3cyclictest3034-21head13:29:141
480992216,3cyclictest25-21ksoftirqd/110:26:261
480992215,4cyclictest2837-21sh08:38:351
480992215,4cyclictest25-21ksoftirqd/113:03:291
480992214,5cyclictest4200-21latency12:24:011
48099221,2cyclictest25855-21diskmemload13:08:421
480992212,5cyclictest2507-21irqrtprio11:48:581
48099220,4cyclictest25397-21snmp_o5powerctl13:19:091
48099212,12cyclictest64-21kswapd013:13:531
48099212,12cyclictest64-21kswapd013:13:531
48099211,4cyclictest10917-21snmp_o5powerctl13:04:061
480992114,4cyclictest25-21ksoftirqd/110:07:081
48099211,3cyclictest21754-21snmp_o5powerctl09:14:031
480992113,4cyclictest9349-21cut10:48:571
324242210,17sleep10-21swapper/111:13:411
48099201,5cyclictest27701-21python10:34:031
48099201,4cyclictest24766-21users11:04:081
480992014,4cyclictest25-21ksoftirqd/110:23:181
480992014,4cyclictest21043-21/usr/sbin/munin12:09:011
480992014,3cyclictest28657-21sh12:15:391
480992014,3cyclictest25-21ksoftirqd/110:09:401
48099201,3cyclictest25164-21ssh12:45:341
480992013,4cyclictest7298-21grep09:53:511
480992013,4cyclictest6213-21phc2sys11:19:011
480992013,4cyclictest28765-21idleruntime-cro11:43:391
480992013,4cyclictest14623-21/usr/sbin/munin11:29:061
480992013,4cyclictest14623-21/usr/sbin/munin11:29:061
48099201,17cyclictest0-21swapper/114:00:101
480991914,3cyclictest25-21ksoftirqd/111:12:481
48099191,3cyclictest23789-21apt-get10:28:511
480991913,3cyclictest25-21ksoftirqd/109:28:491
480991913,3cyclictest10312-21sh12:29:561
480991912,5cyclictest25-21ksoftirqd/111:23:521
480991912,4cyclictest6632-21gltestperf08:43:531
480991912,4cyclictest19457-21cat11:33:521
48099190,4cyclictest16675-21apt-get10:13:501
48099180,17cyclictest0-21swapper/109:38:511
48099180,17cyclictest0-21swapper/109:38:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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