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2026-03-19 - 15:47
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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 Thu Mar 19, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911700,4ptp4l401ktimersoftd/308:02:223
1351521620,5sleep0888499cyclictest08:09:070
66642940,4sleep3890099cyclictest10:08:183
142632810,2sleep20-21swapper/210:14:272
81252790,8sleep28127-21switchtime07:59:112
284322720,2sleep10-21swapper/110:29:071
247852670,2sleep10-21swapper/110:59:021
86092645,9sleep00-21swapper/008:01:280
76162644,10sleep10-21swapper/107:59:031
147022640,2sleep30-21swapper/312:26:213
8896996219,9cyclictest33-21ksoftirqd/209:09:132
106891610,1ptp4l401ktimersoftd/308:09:043
194502600,3sleep1889099cyclictest10:54:011
106891600,1ptp4l401ktimersoftd/311:17:113
319282580,2sleep00-21swapper/011:05:440
8890995715,5cyclictest25-21ksoftirqd/112:23:491
184832570,2sleep10-21swapper/111:24:161
170032570,3sleep117007-21gltestperf12:29:041
8890995516,4cyclictest25-21ksoftirqd/108:58:441
143291550,4getstats890099cyclictest09:12:433
8896995418,4cyclictest33-21ksoftirqd/211:09:072
8896995318,9cyclictest33-21ksoftirqd/208:18:592
8896995317,9cyclictest33-21ksoftirqd/212:34:092
8896995219,4cyclictest33-21ksoftirqd/209:33:582
8896995216,9cyclictest33-21ksoftirqd/211:44:072
8890995225,4cyclictest25-21ksoftirqd/112:43:501
8896995126,9cyclictest33-21ksoftirqd/208:53:442
8896995118,9cyclictest33-21ksoftirqd/210:24:202
8896995115,5cyclictest33-21ksoftirqd/212:08:532
8896995115,4cyclictest33-21ksoftirqd/210:21:562
8896995113,9cyclictest33-21ksoftirqd/211:34:182
247992510,2sleep00-21swapper/013:09:060
106891510,1ptp4l401ktimersoftd/308:37:103
8896995031,8cyclictest33-21ksoftirqd/213:21:572
8896995024,10cyclictest33-21ksoftirqd/213:29:072
8896995021,9cyclictest33-21ksoftirqd/212:44:112
8896995020,9cyclictest33-21ksoftirqd/209:19:032
8896995016,8cyclictest33-21ksoftirqd/208:54:122
8896995014,5cyclictest33-21ksoftirqd/211:59:002
8896995012,8cyclictest33-21ksoftirqd/210:09:032
106891500,10ptp4l401ktimersoftd/311:23:063
8900994941,4cyclictest41-21ksoftirqd/311:08:583
8900994935,7cyclictest41-21ksoftirqd/308:38:563
8896994923,7cyclictest33-21ksoftirqd/213:09:092
8890994927,6cyclictest25-21ksoftirqd/109:44:001
8896994817,8cyclictest33-21ksoftirqd/213:14:502
8896994812,9cyclictest33-21ksoftirqd/212:24:132
106891480,10ptp4l401ktimersoftd/312:43:503
8900994737,4cyclictest41-21ksoftirqd/313:14:003
889699474,3cyclictest121rcu_preempt10:54:102
8896994729,3cyclictest33-21ksoftirqd/211:24:042
889699472,7cyclictest121rcu_preempt08:18:442
8896994726,3cyclictest33-21ksoftirqd/209:58:582
889699463,7cyclictest33-21ksoftirqd/212:29:082
8896994630,3cyclictest33-21ksoftirqd/211:57:512
8896994619,9cyclictest33-21ksoftirqd/209:04:002
8896994619,9cyclictest33-21ksoftirqd/209:04:002
8896994615,9cyclictest33-21ksoftirqd/209:53:582
8896994615,3cyclictest121rcu_preempt10:32:452
8890994624,4cyclictest25-21ksoftirqd/111:18:481
8890994622,8cyclictest25-21ksoftirqd/113:04:041
8890994614,10cyclictest25-21ksoftirqd/110:33:571
888499460,3cyclictest17542-21taskset09:25:100
889699455,9cyclictest33-21ksoftirqd/210:38:472
8896994531,4cyclictest33-21ksoftirqd/211:14:042
8896994518,9cyclictest33-21ksoftirqd/210:04:132
8896994518,4cyclictest33-21ksoftirqd/212:39:422
8896994513,9cyclictest33-21ksoftirqd/211:04:022
8890994520,4cyclictest25-21ksoftirqd/112:04:011
8890994520,4cyclictest25-21ksoftirqd/111:08:471
8890994520,4cyclictest25-21ksoftirqd/110:04:071
8890994516,7cyclictest25-21ksoftirqd/112:00:291
8900994436,4cyclictest41-21ksoftirqd/312:08:533
8900994434,5cyclictest41-21ksoftirqd/312:03:593
889699444,6cyclictest33-21ksoftirqd/208:44:062
889699443,7cyclictest33-21ksoftirqd/212:54:112
889699443,7cyclictest33-21ksoftirqd/208:03:592
889699443,6cyclictest28809-21cron11:03:472
8896994421,10cyclictest33-21ksoftirqd/208:13:442
8896994420,9cyclictest33-21ksoftirqd/211:19:152
8896994419,9cyclictest33-21ksoftirqd/209:24:112
8896994417,9cyclictest33-21ksoftirqd/211:39:172
8890994435,5cyclictest25-21ksoftirqd/109:58:581
8890994434,5cyclictest25-21ksoftirqd/112:59:001
106891440,1ptp4l401ktimersoftd/311:51:143
890099433,2cyclictest121rcu_preempt11:58:533
889699436,8cyclictest33-21ksoftirqd/208:43:442
889699434,6cyclictest33-21ksoftirqd/209:44:032
889699434,3cyclictest33-21ksoftirqd/209:29:082
889699433,3cyclictest33-21ksoftirqd/212:48:502
8896994328,3cyclictest33-21ksoftirqd/210:45:502
8896994328,3cyclictest33-21ksoftirqd/210:45:502
8890994333,5cyclictest25-21ksoftirqd/113:24:011
8890994321,5cyclictest25-21ksoftirqd/113:13:511
8890994320,5cyclictest25-21ksoftirqd/110:13:461
8890994320,4cyclictest25-21ksoftirqd/109:39:011
8890994319,4cyclictest25-21ksoftirqd/108:28:431
8890994318,7cyclictest25-21ksoftirqd/113:29:021
8890994318,4cyclictest25-21ksoftirqd/108:33:431
888499432,34cyclictest0-21swapper/010:48:570
888499432,34cyclictest0-21swapper/010:48:570
8900994213,7cyclictest41-21ksoftirqd/311:39:013
889699427,7cyclictest33-21ksoftirqd/212:59:162
889699426,6cyclictest33-21ksoftirqd/212:15:532
889699423,7cyclictest33-21ksoftirqd/208:29:002
889699423,3cyclictest121rcu_preempt09:49:152
8896994230,3cyclictest33-21ksoftirqd/211:49:132
8896994229,3cyclictest33-21ksoftirqd/210:48:542
8896994229,3cyclictest33-21ksoftirqd/210:48:542
8896994215,6cyclictest33-21ksoftirqd/212:06:182
8896994214,9cyclictest33-21ksoftirqd/208:59:042
889699421,3cyclictest121rcu_preempt13:04:022
8890994218,4cyclictest25-21ksoftirqd/110:39:061
8890994217,5cyclictest25-21ksoftirqd/108:43:571
8890994217,4cyclictest25-21ksoftirqd/111:09:001
888499422,34cyclictest0-21swapper/012:39:010
888499422,31cyclictest27620-21apt-get09:48:580
888499420,4cyclictest24169-21ssh12:03:590
106891420,1ptp4l401ktimersoftd/313:31:003
8900994124,10cyclictest41-21ksoftirqd/312:39:183
889699415,6cyclictest33-21ksoftirqd/213:28:402
889699413,7cyclictest33-21ksoftirqd/210:40:342
8896994111,10cyclictest33-21ksoftirqd/211:31:052
8890994131,3cyclictest25-21ksoftirqd/110:19:131
888499413,31cyclictest2022-21diskmemload10:58:580
888499412,32cyclictest0-21swapper/011:13:580
888499412,31cyclictest8640-21apt-get09:08:550
888499412,31cyclictest19247-21apt-get11:58:590
106891410,2ptp4l11273-21kworker/3:008:49:073
106891410,1ptp4l401ktimersoftd/310:49:173
106891410,1ptp4l401ktimersoftd/310:49:173
106891410,1ptp4l401ktimersoftd/310:32:443
106891410,1ptp4l401ktimersoftd/308:17:093
890099407,7cyclictest41-21ksoftirqd/310:34:153
8900994035,3cyclictest41-21ksoftirqd/311:44:023
8900994029,5cyclictest41-21ksoftirqd/309:28:573
8900994014,7cyclictest41-21ksoftirqd/309:14:023
889699403,3cyclictest121rcu_preempt12:19:002
8896994027,3cyclictest33-21ksoftirqd/208:24:022
889699400,9cyclictest33-21ksoftirqd/208:34:052
889099404,3cyclictest25-21ksoftirqd/111:39:051
8890994029,3cyclictest25-21ksoftirqd/108:48:591
889099401,7cyclictest16628-21apt-get08:18:481
8890994012,5cyclictest25-21ksoftirqd/111:34:021
888499402,31cyclictest31565-21apt-get12:44:000
106891400,17ptp4l401ktimersoftd/313:04:003
8900993926,4cyclictest41-21ksoftirqd/311:33:593
8900993917,4cyclictest41-21ksoftirqd/308:24:003
8900993912,4cyclictest41-21ksoftirqd/308:29:053
889099392,6cyclictest25-21ksoftirqd/111:58:491
8890993923,4cyclictest25-21ksoftirqd/113:14:071
8890993923,4cyclictest25-21ksoftirqd/111:44:071
889099391,8cyclictest9664-21ssh10:43:591
889099391,8cyclictest9664-21ssh10:43:591
889099391,8cyclictest25-21ksoftirqd/112:54:041
8890993913,8cyclictest25-21ksoftirqd/111:29:031
8890993912,9cyclictest25-21ksoftirqd/111:49:071
888499393,31cyclictest0-21swapper/010:08:580
888499392,31cyclictest0-21swapper/009:38:560
888499391,33cyclictest0-21swapper/012:33:580
888499391,33cyclictest0-21swapper/011:44:010
888499391,31cyclictest0-21swapper/010:53:590
888499390,4cyclictest9240-21apt-get12:54:000
888499390,4cyclictest7337-21ssh10:40:490
888499390,4cyclictest10506-21sort10:44:050
888499390,4cyclictest10506-21sort10:44:050
888499390,3cyclictest20137-21memory13:04:090
890099382,7cyclictest31957-21kworker/3:211:25:243
8900993812,4cyclictest41-21ksoftirqd/312:54:183
8900993810,7cyclictest41-21ksoftirqd/308:19:133
889699384,7cyclictest33-21ksoftirqd/209:39:002
889699381,2cyclictest121rcu_preempt09:13:592
889099384,4cyclictest121rcu_preempt12:44:051
8890993826,3cyclictest25-21ksoftirqd/108:33:581
889099381,6cyclictest25-21ksoftirqd/109:03:441
888499383,32cyclictest32188-21cut10:33:590
888499382,6cyclictest14151-21apt-get12:58:590
888499382,30cyclictest0-21swapper/008:03:550
888499381,32cyclictest0-21swapper/008:33:540
888499381,31cyclictest0-21swapper/009:33:570
888499381,30cyclictest21877-21apt-get08:28:550
888499380,4cyclictest7672-21taskset09:04:110
888499380,4cyclictest7672-21taskset09:04:110
888499380,4cyclictest23098-21snmp_o5powerctl11:29:110
888499380,3cyclictest23817-21sed10:24:130
106891380,1ptp4l401ktimersoftd/313:20:373
106891380,1ptp4l401ktimersoftd/313:03:353
106891380,1ptp4l401ktimersoftd/311:55:443
106891380,1ptp4l401ktimersoftd/310:21:563
106891380,1ptp4l401ktimersoftd/309:49:003
8900993712,4cyclictest41-21ksoftirqd/310:54:013
8890993731,3cyclictest25-21ksoftirqd/112:08:531
8890993723,4cyclictest25-21ksoftirqd/112:34:021
889099371,4cyclictest25-21ksoftirqd/110:18:461
8890993714,8cyclictest25-21ksoftirqd/112:49:171
889099370,6cyclictest25-21ksoftirqd/109:18:441
888499372,5cyclictest13402-21apt-get09:18:560
8884993712,22cyclictest9690-21sh13:26:220
8884993712,22cyclictest5291-21sh11:11:470
8884993711,22cyclictest14593-21gltestperf11:54:030
888499370,4cyclictest9595-21taskset12:21:000
888499370,3cyclictest28997-21apt-get08:43:550
888499370,3cyclictest28692-21sed10:29:130
888499370,3cyclictest21162-21unixbench_singl08:24:100
888499370,2cyclictest0-21swapper/012:26:250
106891370,1ptp4l401ktimersoftd/313:25:393
106891370,1ptp4l401ktimersoftd/312:48:513
106891370,1ptp4l401ktimersoftd/312:35:053
106891370,1ptp4l401ktimersoftd/312:32:453
106891370,1ptp4l401ktimersoftd/312:13:553
106891370,1ptp4l401ktimersoftd/311:31:343
106891370,1ptp4l401ktimersoftd/311:07:593
106891370,1ptp4l401ktimersoftd/310:58:543
106891370,1ptp4l401ktimersoftd/310:46:313
106891370,1ptp4l401ktimersoftd/310:46:313
106891370,1ptp4l401ktimersoftd/310:15:463
106891370,1ptp4l401ktimersoftd/310:09:333
106891370,1ptp4l401ktimersoftd/309:47:353
106891370,0ptp4l401ktimersoftd/313:11:533
890099368,4cyclictest41-21ksoftirqd/312:19:103
889099363,6cyclictest121rcu_preempt09:24:081
889099362,7cyclictest25-21ksoftirqd/111:19:091
8890993612,4cyclictest25-21ksoftirqd/110:52:281
8890993612,4cyclictest25-21ksoftirqd/110:52:281
8890993611,9cyclictest25-21ksoftirqd/112:14:171
8890993611,4cyclictest25-21ksoftirqd/112:24:011
888499368,25cyclictest18764-21unixbench_multi08:19:130
888499362,5cyclictest16565-21apt-get12:29:000
8884993614,19cyclictest10671-21switchtime11:49:150
8884993612,21cyclictest1385-21date13:18:510
8884993612,20cyclictest20195-21latency_hist09:33:450
888499360,4cyclictest5643-21sshd10:06:330
888499360,4cyclictest14957-21fw_packets08:13:580
888499360,3cyclictest987-21sshd09:03:310
888499360,3cyclictest31247-21chrt12:09:270
888499360,3cyclictest1932-21chrt10:02:490
106891360,1ptp4l401ktimersoftd/310:43:393
106891360,1ptp4l401ktimersoftd/308:58:573
889099355,3cyclictest121rcu_preempt10:24:001
889099353,6cyclictest25-21ksoftirqd/113:19:051
889099353,3cyclictest121rcu_preempt08:08:441
8890993511,4cyclictest25-21ksoftirqd/108:09:031
888499359,22cyclictest5094-21cut12:49:080
888499357,24cyclictest26864-21/usr/sbin/munin11:34:000
888499355,19cyclictest1819-21ssh12:13:590
888499352,7cyclictest1671-21apt-get13:19:000
8884993511,21cyclictest16241-21date13:33:510
8884993510,21cyclictest12618-21grep09:14:120
888499350,3cyclictest2600-21ssh11:42:030
890099340,3cyclictest121rcu_preempt10:28:463
8890993417,5cyclictest25-21ksoftirqd/109:53:461
889099341,6cyclictest25-21ksoftirqd/109:03:451
889099341,6cyclictest25-21ksoftirqd/109:03:451
889099341,3cyclictest121rcu_preempt09:13:451
889099341,3cyclictest121rcu_preempt08:18:441
889099340,6cyclictest121rcu_preempt09:19:131
888499349,22cyclictest2022-21diskmemload11:19:420
888499340,3cyclictest14211-21taskset10:14:210
888499340,3cyclictest0-21swapper/010:21:170
8900993310,6cyclictest41-21ksoftirqd/309:39:003
889099334,3cyclictest121rcu_preempt09:54:051
8890993327,3cyclictest25-21ksoftirqd/109:34:051
888499336,23cyclictest17234-21tail11:24:030
888499335,25cyclictest567-21unixbench_singl08:49:110
888499330,3cyclictest31697-21users09:54:160
890099326,4cyclictest41-21ksoftirqd/309:24:003
890099324,4cyclictest41-21ksoftirqd/308:08:443
8900993226,3cyclictest41-21ksoftirqd/308:43:593
890099322,2cyclictest121rcu_preempt09:38:453
8890993226,3cyclictest25-21ksoftirqd/109:33:451
8890993218,5cyclictest25-21ksoftirqd/108:39:121
888499329,20cyclictest2487-21proc_pri08:54:050
888499320,4cyclictest26881-21df_inode08:38:590
106891320,1ptp4l401ktimersoftd/308:56:323
8900993126,3cyclictest41-21ksoftirqd/309:08:443
8900993126,3cyclictest41-21ksoftirqd/309:08:443
106891310,1ptp4l401ktimersoftd/309:23:393
890099305,3cyclictest41-21ksoftirqd/309:54:053
888499301,5cyclictest25556-21fschecks_count09:44:000
890099292,6cyclictest41-21ksoftirqd/309:59:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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