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2026-06-03 - 19:35
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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 Wed Jun 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
433221570,4sleep01231299cyclictest11:50:520
1068911180,8ptp4l20635-21kworker/3:108:44:193
110782780,2sleep10-21swapper/108:41:051
320562720,2sleep30-21swapper/313:25:583
218482670,2sleep10-21swapper/113:47:281
322582650,3sleep10-21swapper/110:31:161
1232099640,24cyclictest4900-21fschecks_count13:31:071
106891640,1ptp4l401ktimersoftd/313:11:493
106891610,1ptp4l401ktimersoftd/313:25:463
1232099601,32cyclictest29624-21ssh11:10:281
106891580,1ptp4l401ktimersoftd/312:11:193
106891570,1ptp4l401ktimersoftd/314:06:313
31682560,3sleep10-21swapper/113:29:101
106891550,1ptp4l401ktimersoftd/311:57:453
106891550,1ptp4l401ktimersoftd/311:27:053
106891550,1ptp4l401ktimersoftd/311:27:053
106891550,1ptp4l401ktimersoftd/311:18:273
1232099540,23cyclictest6760-21sh11:52:031
1232099540,21cyclictest29367-21rm11:41:511
106891540,1ptp4l401ktimersoftd/313:34:083
106891540,1ptp4l401ktimersoftd/311:12:433
132132530,5sleep233-21ksoftirqd/212:32:012
1232099530,29cyclictest0-21swapper/111:12:561
59812520,2sleep10-21swapper/112:58:341
249502520,3sleep124931-21ssh12:11:091
158842520,2sleep10-21swapper/114:15:511
108262520,2sleep30-21swapper/311:23:253
106872520,2sleep00-21swapper/009:46:140
306312510,2sleep20-21swapper/211:11:032
12326994840,4cyclictest33-21ksoftirqd/212:26:022
118232480,1sleep30-21swapper/313:05:193
106891470,1ptp4l401ktimersoftd/310:43:093
106891470,12ptp4l401ktimersoftd/312:43:063
106891460,1ptp4l401ktimersoftd/313:48:263
106891450,1ptp4l401ktimersoftd/310:48:233
1232099432,24cyclictest0-21swapper/111:01:121
1232699410,3cyclictest121rcu_preempt11:05:522
1232099410,25cyclictest21680-21fschecks_time10:11:041
12326993934,3cyclictest33-21ksoftirqd/210:51:022
12326993933,3cyclictest33-21ksoftirqd/211:25:592
12326993933,3cyclictest33-21ksoftirqd/211:25:592
1232099390,25cyclictest13251-21awk11:26:051
1232099390,25cyclictest13251-21awk11:26:051
106891390,1ptp4l401ktimersoftd/312:03:563
106891390,1ptp4l401ktimersoftd/311:54:133
106891390,1ptp4l401ktimersoftd/311:37:103
106891390,1ptp4l401ktimersoftd/309:41:103
106891390,1ptp4l401ktimersoftd/309:41:103
12326993831,4cyclictest33-21ksoftirqd/213:06:022
1232099380,20cyclictest0-21swapper/110:46:481
106891380,1ptp4l401ktimersoftd/313:16:203
106891380,1ptp4l401ktimersoftd/313:16:203
106891380,1ptp4l401ktimersoftd/313:06:503
106891380,1ptp4l401ktimersoftd/312:49:133
106891380,1ptp4l401ktimersoftd/312:39:163
106891380,1ptp4l401ktimersoftd/310:21:173
12326993730,4cyclictest33-21ksoftirqd/210:01:002
12326993724,10cyclictest33-21ksoftirqd/214:01:152
1232099372,29cyclictest30406-21apt-get12:51:031
1232099372,29cyclictest17487-21apt-get11:31:021
1232099371,29cyclictest32058-21apt-get11:46:021
1232099370,21cyclictest24998-21ssh13:17:291
1232099370,21cyclictest24998-21ssh13:17:291
106891370,1ptp4l401ktimersoftd/313:56:123
106891370,1ptp4l401ktimersoftd/313:55:143
106891370,1ptp4l401ktimersoftd/313:44:043
106891370,1ptp4l401ktimersoftd/313:00:363
106891370,1ptp4l401ktimersoftd/312:31:143
106891370,1ptp4l401ktimersoftd/312:20:533
106891370,1ptp4l401ktimersoftd/312:09:163
106891370,1ptp4l401ktimersoftd/311:50:063
106891370,1ptp4l401ktimersoftd/311:42:553
106891370,1ptp4l401ktimersoftd/311:08:363
106891370,1ptp4l401ktimersoftd/311:03:173
106891370,1ptp4l401ktimersoftd/310:50:523
106891370,10ptp4l401ktimersoftd/311:32:003
106891370,0ptp4l401ktimersoftd/314:11:473
106891370,0ptp4l401ktimersoftd/312:28:363
12326993629,4cyclictest33-21ksoftirqd/213:11:022
12326993629,4cyclictest33-21ksoftirqd/212:41:032
12326993629,4cyclictest33-21ksoftirqd/212:21:012
12326993629,4cyclictest33-21ksoftirqd/211:36:012
12326993629,4cyclictest33-21ksoftirqd/211:01:022
1232099363,26cyclictest2148-21apt-get09:30:591
1232099362,26cyclictest9273-21apt-get09:45:581
1232099362,26cyclictest26102-21apt-get10:21:011
1232099360,19cyclictest0-21swapper/114:09:361
106891360,0ptp4l401ktimersoftd/312:52:393
106891360,0ptp4l401ktimersoftd/310:56:193
106891360,0ptp4l401ktimersoftd/310:26:533
12334993529,4cyclictest41-21ksoftirqd/313:40:523
12326993529,3cyclictest33-21ksoftirqd/214:06:042
1232099352,27cyclictest14248-21apt-get12:01:021
1232099351,27cyclictest27352-21apt-get13:21:041
1232099351,27cyclictest23734-21apt-get10:15:591
1232099350,19cyclictest0-21swapper/109:56:061
12326993427,4cyclictest33-21ksoftirqd/213:31:042
12326993427,4cyclictest33-21ksoftirqd/210:06:002
12326993426,4cyclictest33-21ksoftirqd/210:26:002
1232099343,28cyclictest0-21swapper/109:40:581
1232099343,28cyclictest0-21swapper/109:40:581
1232099342,25cyclictest10955-21apt-get12:31:011
12320993415,16cyclictest1397-21cpuspeed_turbos12:21:021
12320993414,17cyclictest7993-21expr11:21:011
12320993414,17cyclictest27096-21sh13:52:491
12320993414,17cyclictest12084-21sh13:37:461
1232099341,26cyclictest25558-21apt-get12:46:031
1232099341,26cyclictest15856-21apt-get12:36:031
1232099340,31cyclictest24750-21rm12:45:091
1232099340,30cyclictest16499-21rm13:41:371
1232099340,26cyclictest10672-21wc12:30:511
1184823411,10sleep00-21swapper/008:41:170
106891340,1ptp4l401ktimersoftd/314:03:003
12320993314,15cyclictest7710-21sh13:01:041
12320993313,17cyclictest12817-21df08:46:001
1232099331,29cyclictest4544-21rm14:03:021
1232099331,28cyclictest10946-21fschecks_time10:51:051
1232099330,30cyclictest6214-21rm11:19:131
1232099330,30cyclictest14651-21rm13:06:471
289242320,4sleep228923-21ssh13:21:202
12326993227,3cyclictest33-21ksoftirqd/213:56:102
12326993226,3cyclictest33-21ksoftirqd/213:46:062
12326993226,3cyclictest33-21ksoftirqd/212:16:032
12326993225,4cyclictest33-21ksoftirqd/209:00:582
12326993225,4cyclictest33-21ksoftirqd/208:51:042
12326993220,9cyclictest33-21ksoftirqd/211:46:192
1232099323,24cyclictest0-21swapper/110:55:581
1232099323,22cyclictest32207-21apt-get09:25:591
1232099322,24cyclictest9370-21apt-get11:56:001
1232099322,23cyclictest19084-21apt-get12:06:021
1232099321,28cyclictest739-21rm13:59:531
1232099321,28cyclictest30456-21sshd12:16:191
1232099321,27cyclictest22269-21/usr/sbin/munin11:36:001
1232099321,27cyclictest19234-21vmstat13:11:201
1232099321,25cyclictest17989-21apt-get08:55:581
12320993212,17cyclictest1325-21if_enp1s0.110:36:051
1232099320,29cyclictest30267-21grep09:21:021
106891320,9ptp4l401ktimersoftd/312:20:443
106891320,1ptp4l401ktimersoftd/310:35:063
106891320,1ptp4l401ktimersoftd/309:22:023
106891320,1ptp4l401ktimersoftd/309:19:013
106891320,1ptp4l401ktimersoftd/308:47:193
12334993124,4cyclictest41-21ksoftirqd/309:06:003
12326993126,3cyclictest33-21ksoftirqd/213:40:522
12326993126,3cyclictest33-21ksoftirqd/212:05:502
12326993126,3cyclictest33-21ksoftirqd/211:21:172
12326993126,3cyclictest33-21ksoftirqd/209:55:472
12326993125,3cyclictest33-21ksoftirqd/212:40:502
12326993125,3cyclictest33-21ksoftirqd/212:11:102
12326993125,3cyclictest33-21ksoftirqd/212:06:052
12326993125,3cyclictest33-21ksoftirqd/211:55:502
12326993125,3cyclictest33-21ksoftirqd/211:41:082
1232099319,18cyclictest17100-21irqrtprio10:01:061
1232099311,26cyclictest20497-21grep09:00:591
1232099311,25cyclictest18466-21apt-get10:05:511
12320993111,17cyclictest1055-21runrttasks09:19:291
106891310,0ptp4l401ktimersoftd/309:34:003
106891310,0ptp4l401ktimersoftd/309:25:593
106891310,0ptp4l401ktimersoftd/308:59:003
140892300,1sleep20-21swapper/208:46:152
12326993025,3cyclictest33-21ksoftirqd/211:56:072
12326993024,3cyclictest33-21ksoftirqd/213:26:042
12326993024,3cyclictest33-21ksoftirqd/213:01:042
12326993024,3cyclictest33-21ksoftirqd/212:46:102
12326993024,3cyclictest33-21ksoftirqd/211:16:172
12326993024,3cyclictest33-21ksoftirqd/210:15:472
12326993024,3cyclictest33-21ksoftirqd/209:56:052
12326993023,4cyclictest33-21ksoftirqd/209:50:472
12326993018,9cyclictest33-21ksoftirqd/212:56:032
1232099303,23cyclictest28908-21sed10:26:051
1232099301,26cyclictest14922-21fschecks_count08:50:471
1232099301,23cyclictest25088-21apt-get09:10:591
1232099300,26cyclictest4799-21/usr/sbin/munin09:36:001
1232099300,26cyclictest22950-21ls09:06:001
120382302,16sleep2233-21systemd-journal08:43:332
106891300,1ptp4l401ktimersoftd/310:20:163
106891300,0ptp4l401ktimersoftd/310:13:583
106891300,0ptp4l401ktimersoftd/308:52:053
12326992924,3cyclictest33-21ksoftirqd/213:16:102
12326992924,3cyclictest33-21ksoftirqd/213:16:102
12326992924,3cyclictest33-21ksoftirqd/212:51:072
12326992924,3cyclictest33-21ksoftirqd/211:31:532
12326992923,3cyclictest33-21ksoftirqd/210:46:162
12326992923,3cyclictest33-21ksoftirqd/209:16:052
12326992923,3cyclictest33-21ksoftirqd/209:06:052
12326992922,4cyclictest33-21ksoftirqd/214:11:112
12326992922,4cyclictest33-21ksoftirqd/209:25:462
1232099291,25cyclictest3821-21ps10:41:061
1231299294,14cyclictest27354-21ssh13:21:030
106891290,9ptp4l401ktimersoftd/309:46:473
106891290,0ptp4l401ktimersoftd/310:05:243
12334992822,3cyclictest41-21ksoftirqd/310:06:013
12326992823,3cyclictest33-21ksoftirqd/210:41:172
12326992822,3cyclictest33-21ksoftirqd/213:51:082
12326992822,3cyclictest33-21ksoftirqd/213:45:522
12326992822,3cyclictest33-21ksoftirqd/210:36:172
12326992822,3cyclictest33-21ksoftirqd/210:20:482
12326992810,10cyclictest33-21ksoftirqd/210:56:042
1232099289,16cyclictest12066-21head09:51:031
1231299284,13cyclictest7754-21ssh11:21:000
12312992821,4cyclictest9-21ksoftirqd/012:31:020
106891280,1ptp4l401ktimersoftd/309:52:153
217232270,4sleep0101ktimersoftd/013:47:150
12326992721,4cyclictest33-21ksoftirqd/209:35:592
12326992721,3cyclictest33-21ksoftirqd/209:26:162
12312992720,4cyclictest9-21ksoftirqd/009:20:570
106891270,0ptp4l401ktimersoftd/310:37:293
12326992620,4cyclictest33-21ksoftirqd/210:31:172
12326992620,3cyclictest33-21ksoftirqd/209:11:052
1231299264,12cyclictest14251-21ssh12:01:020
12312992621,3cyclictest28156-21cron10:25:470
12312992620,3cyclictest9-21ksoftirqd/009:32:160
12312992619,4cyclictest9-21ksoftirqd/010:33:440
12312992619,4cyclictest9-21ksoftirqd/009:09:130
12334992521,3cyclictest41-21ksoftirqd/309:36:143
12334992519,3cyclictest41-21ksoftirqd/309:11:053
12326992520,3cyclictest33-21ksoftirqd/209:45:462
12326992520,3cyclictest33-21ksoftirqd/209:45:462
12326992519,3cyclictest33-21ksoftirqd/209:31:012
12326992519,3cyclictest33-21ksoftirqd/208:57:132
12312992520,3cyclictest9-21ksoftirqd/013:31:050
12312992519,3cyclictest9-21ksoftirqd/010:51:180
12312992519,3cyclictest3815-21grep10:41:060
12312992519,3cyclictest2425-21sh12:55:500
106891250,1ptp4l401ktimersoftd/309:56:013
106891250,0ptp4l401ktimersoftd/309:02:553
1045022518,3sleep09-21ksoftirqd/012:30:400
80452240,2sleep05228-21diskmemload14:06:190
1231299243,12cyclictest5643-21ssh10:46:000
1231299243,12cyclictest29301-21ssh13:56:040
12312992419,3cyclictest9-21ksoftirqd/011:48:430
12312992419,3cyclictest9-21ksoftirqd/011:31:020
12312992418,4cyclictest7421-21apt-config11:20:490
12312992418,3cyclictest9-21ksoftirqd/009:05:080
12312992418,3cyclictest9-21ksoftirqd/008:54:150
12312992417,4cyclictest13505-21sed08:46:050
49132230,2sleep00-21swapper/012:24:300
12326992318,3cyclictest33-21ksoftirqd/210:21:102
12312992318,3cyclictest9-21ksoftirqd/010:04:370
12312992318,3cyclictest9-21ksoftirqd/009:16:190
12312992317,3cyclictest9-21ksoftirqd/010:08:260
12312992316,4cyclictest9-21ksoftirqd/009:13:020
1231299224,9cyclictest15870-21ssh12:36:040
1231299222,17cyclictest22654-21grep13:16:050
1231299222,17cyclictest22654-21grep13:16:050
12312992217,3cyclictest9-21ksoftirqd/013:40:520
12312992217,3cyclictest9-21ksoftirqd/013:10:380
12312992216,4cyclictest9425-21sed13:01:220
12312992216,3cyclictest9-21ksoftirqd/009:41:490
12312992216,3cyclictest9-21ksoftirqd/009:41:490
12312992115,3cyclictest9-21ksoftirqd/010:19:210
12312992115,3cyclictest9-21ksoftirqd/009:37:540
12312992115,3cyclictest9-21ksoftirqd/008:58:160
12312992114,4cyclictest29779-21tr10:26:120
12312992114,4cyclictest27126-21/usr/sbin/munin11:41:090
12312992114,4cyclictest25280-21/usr/sbin/munin11:06:030
12312992114,4cyclictest13073-21gltestperf11:26:030
12312992114,4cyclictest13073-21gltestperf11:26:030
12312992114,4cyclictest1277-21sh10:36:050
1231299211,2cyclictest0-21swapper/014:14:130
1231299211,18cyclictest0-21swapper/009:51:510
1231299204,11cyclictest32177-1kworker/0:1H12:18:470
12312992015,3cyclictest9-21ksoftirqd/009:25:580
12312992014,4cyclictest32081-21/usr/sbin/munin13:26:080
12312992014,3cyclictest3087-21find14:01:160
12312992014,3cyclictest26751-21phc2sys12:46:130
12312992014,3cyclictest14657-21if_err_enp1s0.109:56:060
12312992013,4cyclictest25229-21sh12:11:110
12312992013,4cyclictest14998-21expr13:41:070
1231299200,18cyclictest0-21swapper/010:14:480
1231299200,17cyclictest25744-21ptp4l-jitter13:51:150
1231299193,9cyclictest5228-21diskmemload10:55:590
12312991913,3cyclictest3038-21expr12:56:040
12312991912,4cyclictest5228-21diskmemload13:11:000
12312991912,4cyclictest5228-21diskmemload11:59:490
12312991912,4cyclictest20721-21timerwakeupswit12:06:180
1231299191,16cyclictest0-21swapper/012:40:550
1231299191,15cyclictest21970-21ssh11:01:190
12312991813,3cyclictest5228-21diskmemload11:14:260
12312991813,3cyclictest23097-21sed11:36:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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