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2026-06-22 - 00:30
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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 Sun Jun 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
823721760,5sleep01029299cyclictest13:44:560
1267221690,4sleep11029799cyclictest13:49:071
1267221690,4sleep11029799cyclictest13:49:071
1068911570,8ptp4l2932-21kworker/3:208:51:113
1998521540,4sleep21030299cyclictest09:11:092
1750321540,4sleep31031299cyclictest13:54:023
3168621520,4sleep31031299cyclictest12:29:073
92172980,5sleep233-21ksoftirqd/208:51:032
106891700,10ptp4l401ktimersoftd/311:22:083
106891690,9ptp4l401ktimersoftd/311:29:473
106891680,1ptp4l401ktimersoftd/311:35:453
81722670,2sleep20-21swapper/211:31:162
208042650,5sleep220806-21latency_hist11:45:462
100922604,45sleep00-21swapper/008:54:290
251362590,3sleep11029799cyclictest14:01:111
287022570,2sleep20-21swapper/214:06:022
106891560,1ptp4l401ktimersoftd/309:57:533
302272530,1sleep00-21swapper/013:01:040
310342520,2sleep10-21swapper/111:21:401
307722490,1sleep30-21swapper/313:34:393
1029299444,19cyclictest21385-21sed09:16:000
193732420,4sleep119371-21fschecks_count11:11:001
91202393,22sleep18062-21/usr/sbin/munin08:51:031
106891390,1ptp4l401ktimersoftd/312:37:233
106891390,1ptp4l401ktimersoftd/311:52:373
1031299392,33cyclictest24667-21sort10:31:003
1030299396,9cyclictest3838-21ssh10:55:552
106891380,1ptp4l401ktimersoftd/314:25:473
106891380,1ptp4l401ktimersoftd/314:18:133
106891380,1ptp4l401ktimersoftd/314:13:083
106891380,1ptp4l401ktimersoftd/313:42:553
106891380,1ptp4l401ktimersoftd/313:36:103
106891380,1ptp4l401ktimersoftd/313:11:343
106891380,1ptp4l401ktimersoftd/312:16:353
106891380,1ptp4l401ktimersoftd/312:07:103
106891380,1ptp4l401ktimersoftd/309:25:433
10312993814,20cyclictest18340-21sh12:48:193
10312993813,21cyclictest19791-21expr10:20:593
10312993813,21cyclictest19791-21expr10:20:593
106891370,1ptp4l401ktimersoftd/314:05:563
106891370,1ptp4l401ktimersoftd/314:04:173
106891370,1ptp4l401ktimersoftd/313:22:133
106891370,1ptp4l401ktimersoftd/313:05:023
106891370,1ptp4l401ktimersoftd/312:55:043
106891370,1ptp4l401ktimersoftd/312:40:503
106891370,1ptp4l401ktimersoftd/311:58:183
106891370,1ptp4l401ktimersoftd/311:12:393
106891370,1ptp4l401ktimersoftd/311:02:563
106891370,1ptp4l401ktimersoftd/310:58:103
106891370,0ptp4l401ktimersoftd/311:45:203
106891360,1ptp4l401ktimersoftd/313:27:383
106891360,1ptp4l401ktimersoftd/313:17:043
106891360,1ptp4l401ktimersoftd/312:59:223
106891360,1ptp4l401ktimersoftd/312:15:063
106891360,1ptp4l401ktimersoftd/311:47:543
106891360,1ptp4l401ktimersoftd/311:15:563
106891360,0ptp4l401ktimersoftd/313:49:073
106891360,0ptp4l401ktimersoftd/313:49:073
106891360,0ptp4l401ktimersoftd/312:24:033
1030299363,8cyclictest1126-21ssh14:11:012
106891350,7ptp4l401ktimersoftd/311:07:303
106891350,0ptp4l401ktimersoftd/313:59:473
106891340,1ptp4l401ktimersoftd/313:10:303
1031299333,8cyclictest31420-21apt-get10:45:583
1031299331,7cyclictest46850irq/99-ens3-TxR11:35:593
10312993312,4cyclictest22989-21latency_hist09:20:433
10312993312,3cyclictest13651-21sed09:00:473
10312993311,3cyclictest5176-21cat09:50:573
106891320,1ptp4l401ktimersoftd/310:29:283
106891320,1ptp4l401ktimersoftd/310:29:283
10312993213,16cyclictest3604-21df12:01:013
10312993213,16cyclictest3604-21df12:01:013
1031299319,4cyclictest17970-21irqrtprio10:16:043
1031299310,10cyclictest28506-21gltestperf09:30:583
81622300,1sleep00-21swapper/009:56:000
1031299309,3cyclictest1913-21if_enp1s0.110:51:033
1031299308,3cyclictest30138-21phc2sys10:41:053
1031299308,3cyclictest11119-21if_ens308:56:003
1031299306,4cyclictest10456-21gltestperf10:01:003
1030299303,3cyclictest121rcu_preempt11:26:522
1029799303,16cyclictest14138-21ssh11:05:551
1029299306,14cyclictest21149-21ssh11:45:590
1031299299,3cyclictest26931-21entropy10:35:593
1031299298,3cyclictest2109-21seq09:41:583
1031299290,3cyclictest20610-21cron09:15:433
1031299289,3cyclictest16292-21cpuspeed_turbos09:05:563
10302992721,3cyclictest33-21ksoftirqd/210:25:482
10302992721,3cyclictest33-21ksoftirqd/210:25:482
10302992721,3cyclictest33-21ksoftirqd/209:44:292
10297992722,3cyclictest25-21ksoftirqd/112:10:471
10297992722,3cyclictest25-21ksoftirqd/109:00:431
10297992721,3cyclictest25-21ksoftirqd/112:51:161
10297992721,3cyclictest25-21ksoftirqd/112:25:471
10297992720,4cyclictest25-21ksoftirqd/113:58:071
10292992721,3cyclictest9-21ksoftirqd/011:44:070
10302992620,3cyclictest33-21ksoftirqd/214:16:382
10302992620,3cyclictest33-21ksoftirqd/212:13:422
10302992620,3cyclictest33-21ksoftirqd/209:25:512
10302992619,4cyclictest33-21ksoftirqd/213:56:122
10302992619,4cyclictest33-21ksoftirqd/209:45:502
10297992621,3cyclictest25-21ksoftirqd/113:36:071
10297992621,3cyclictest25-21ksoftirqd/113:21:151
10297992621,3cyclictest25-21ksoftirqd/113:20:481
10297992621,3cyclictest25-21ksoftirqd/112:39:561
10297992620,3cyclictest25-21ksoftirqd/111:15:591
10297992619,4cyclictest5753-21grep09:51:021
10297992618,5cyclictest7821-21idleruntime-cro12:05:461
10297992618,5cyclictest7821-21idleruntime-cro12:05:461
1029799261,22cyclictest18923-21sed12:16:051
1029299262,6cyclictest0-21swapper/014:01:010
10292992619,4cyclictest9-21ksoftirqd/009:45:480
106891250,2ptp4l401ktimersoftd/312:32:153
10312992519,3cyclictest41-21ksoftirqd/309:47:233
10312992518,4cyclictest41-21ksoftirqd/309:37:203
10302992518,4cyclictest3437-21turbostat.cron10:55:452
10302992518,4cyclictest33-21ksoftirqd/213:29:362
10302992518,4cyclictest33-21ksoftirqd/213:20:372
10302992518,4cyclictest33-21ksoftirqd/209:32:492
10297992520,3cyclictest25-21ksoftirqd/111:41:011
10297992520,3cyclictest25-21ksoftirqd/111:00:471
10297992519,4cyclictest25-21ksoftirqd/111:49:541
10297992519,3cyclictest25-21ksoftirqd/114:21:171
10297992519,3cyclictest25-21ksoftirqd/111:36:141
10297992518,5cyclictest25-21ksoftirqd/111:00:451
10297992515,3cyclictest25-21ksoftirqd/112:31:161
10297992510,12cyclictest10365-21seq13:13:281
1029299252,3cyclictest121rcu_preempt11:23:120
10292992519,3cyclictest9-21ksoftirqd/013:15:330
10292992518,4cyclictest9-21ksoftirqd/012:12:420
10292992518,4cyclictest9-21ksoftirqd/009:51:260
10292992518,4cyclictest9-21ksoftirqd/009:33:030
309192240,20sleep131093-21cstates11:56:021
111582240,4sleep0101ktimersoftd/011:01:480
10302992419,3cyclictest33-21ksoftirqd/212:36:172
10302992418,3cyclictest33-21ksoftirqd/212:55:532
10302992418,3cyclictest33-21ksoftirqd/212:23:462
10302992418,3cyclictest33-21ksoftirqd/211:57:102
10302992418,3cyclictest33-21ksoftirqd/209:24:512
10302992417,4cyclictest33-21ksoftirqd/213:31:412
10302992414,6cyclictest29273-21fschecks_count11:21:002
10297992419,3cyclictest25-21ksoftirqd/113:26:021
10297992419,3cyclictest25-21ksoftirqd/112:26:111
10297992418,4cyclictest25-21ksoftirqd/114:08:421
10297992418,4cyclictest25-21ksoftirqd/112:11:011
10297992418,3cyclictest25-21ksoftirqd/113:55:121
10297992417,4cyclictest2741-21fschecks_count13:06:031
10292992418,3cyclictest9-21ksoftirqd/013:26:270
10292992418,3cyclictest9-21ksoftirqd/010:29:470
10292992418,3cyclictest9-21ksoftirqd/010:29:470
10292992417,4cyclictest9-21ksoftirqd/010:06:390
106891230,1ptp4l401ktimersoftd/310:10:563
106891230,1ptp4l401ktimersoftd/310:05:583
106891230,1ptp4l401ktimersoftd/309:26:013
10302992318,3cyclictest33-21ksoftirqd/210:45:402
10302992317,3cyclictest33-21ksoftirqd/213:36:232
10302992317,3cyclictest33-21ksoftirqd/211:10:492
10302992317,3cyclictest27831-21ps10:36:062
10302992316,4cyclictest33-21ksoftirqd/212:50:582
10302992316,4cyclictest33-21ksoftirqd/211:38:552
10302992316,4cyclictest33-21ksoftirqd/209:38:232
10297992318,3cyclictest25-21ksoftirqd/114:16:541
10297992318,3cyclictest25-21ksoftirqd/113:45:491
10297992318,3cyclictest25-21ksoftirqd/110:51:131
10297992317,4cyclictest25-21ksoftirqd/110:14:071
10297992317,3cyclictest25-21ksoftirqd/114:11:081
10297992317,3cyclictest25-21ksoftirqd/110:30:561
10297992317,3cyclictest25-21ksoftirqd/110:16:521
10297992316,4cyclictest25-21ksoftirqd/110:28:321
10297992316,4cyclictest25-21ksoftirqd/110:28:321
10297992316,4cyclictest25-21ksoftirqd/109:42:241
10297992316,4cyclictest25-21ksoftirqd/109:39:021
10297992316,4cyclictest24829-21grep09:21:121
1029799230,3cyclictest13915-21tr09:00:571
10292992318,3cyclictest9-21ksoftirqd/010:40:080
10292992317,3cyclictest9-21ksoftirqd/010:45:490
10292992316,4cyclictest9-21ksoftirqd/010:44:250
796522215,3sleep125-21ksoftirqd/111:31:161
307432220,2sleep00-21swapper/009:36:000
1030299225,15cyclictest27240-21ssh11:51:112
10302992216,3cyclictest33-21ksoftirqd/214:22:122
10302992216,3cyclictest33-21ksoftirqd/211:08:012
10302992216,3cyclictest33-21ksoftirqd/210:06:242
10302992215,4cyclictest33-21ksoftirqd/209:59:192
10302992215,4cyclictest21056-21tr09:15:572
10302992215,4cyclictest16022-21grep12:46:062
10302992215,4cyclictest14863-21grep09:01:042
10297992217,3cyclictest25-21ksoftirqd/109:55:591
10297992217,3cyclictest25-21ksoftirqd/109:50:431
10297992216,4cyclictest25-21ksoftirqd/110:02:431
10297992215,4cyclictest12577-21cpuspeed_turbos10:05:581
10297992215,4cyclictest11141-21sed12:41:071
10297992213,5cyclictest2031-21latency_hist13:05:481
1029299223,7cyclictest1055-21runrttasks13:18:260
1029299223,16cyclictest10900-21grep12:41:050
1029299222,17cyclictest26374-21ptp4l12:56:100
1029299222,17cyclictest1858-21cut11:26:020
1029299222,12cyclictest26043-21ssh11:51:010
10292992217,3cyclictest9-21ksoftirqd/011:33:310
10292992216,4cyclictest9-21ksoftirqd/012:37:230
10292992216,4cyclictest9-21ksoftirqd/011:40:220
10292992216,3cyclictest9-21ksoftirqd/010:53:570
10292992216,3cyclictest9-21ksoftirqd/009:41:020
10292992215,4cyclictest927-21diskstats12:31:030
10292992214,5cyclictest14236-21grep09:01:000
1029299220,19cyclictest2868-21awk14:11:180
1030299212,3cyclictest121rcu_preempt13:50:322
1030299212,3cyclictest121rcu_preempt13:50:322
10302992114,4cyclictest7683-21grep13:11:042
10302992114,4cyclictest5030-21/usr/sbin/munin09:51:092
10302992114,4cyclictest30506-21awk13:01:062
10302992114,4cyclictest2942-21idleruntime13:06:052
10302992113,5cyclictest25606-21latency_hist11:50:462
1030299210,4cyclictest190-21jbd2/sda1-813:21:152
10297992116,3cyclictest25-21ksoftirqd/111:51:081
10297992116,3cyclictest25-21ksoftirqd/111:26:081
10297992115,3cyclictest25779-21irqrtprio12:56:061
10297992115,3cyclictest25-21ksoftirqd/113:31:021
10297992113,4cyclictest15226-21/usr/sbin/munin12:46:181
10292992117,2cyclictest0-21swapper/014:09:340
10292992116,3cyclictest9-21ksoftirqd/010:57:180
10292992115,4cyclictest9-21ksoftirqd/011:19:500
10292992115,4cyclictest9-21ksoftirqd/010:03:460
10292992115,3cyclictest9-21ksoftirqd/011:11:450
10292992115,3cyclictest9-21ksoftirqd/009:25:120
10292992115,3cyclictest9-21ksoftirqd/009:05:540
10292992115,3cyclictest9-21ksoftirqd/008:55:460
10292992115,3cyclictest6451-21sh14:16:030
10292992114,4cyclictest3427-21diskmemload11:58:250
10292992114,4cyclictest23454-21tr12:21:000
10292992114,4cyclictest20821-21if_ens312:51:060
10292992114,4cyclictest16016-21sed12:46:060
10292992114,4cyclictest11010-21/usr/sbin/munin14:21:070
1029299211,17cyclictest19423-21ls10:20:440
1030299201,6cyclictest18501-21df_inode12:16:022
10302992014,3cyclictest543-21/usr/sbin/munin12:31:112
10302992014,3cyclictest3427-21diskmemload14:02:062
10302992014,3cyclictest17861-21head09:06:122
10302992013,4cyclictest8942-21irqrtprio12:06:042
10302992013,4cyclictest6455-21sh13:41:512
10302992013,4cyclictest33-21ksoftirqd/211:16:112
10302992013,4cyclictest14796-21bc10:10:552
1030299201,16cyclictest10590-21cpuspeed_turbos12:41:022
10302992011,5cyclictest10426-21fschecks_time10:01:002
1029799203,14cyclictest26042-21grep09:25:581
1029799202,15cyclictest21055-21grep09:15:571
10297992014,4cyclictest25-21ksoftirqd/109:06:021
10297992014,3cyclictest29358-21grep10:41:001
10297992014,3cyclictest19549-21apt-get10:20:571
10297992014,3cyclictest19549-21apt-get10:20:571
10297992013,4cyclictest18888-21fschecks_time09:10:571
10292992014,3cyclictest24376-21cpuspeed_turbos10:30:570
10292992014,3cyclictest18631-21sh13:21:120
10292992013,4cyclictest8057-21date12:05:470
10292992013,4cyclictest3427-21diskmemload13:59:210
10292992013,4cyclictest3427-21diskmemload12:08:200
10292992013,4cyclictest28404-21cstates12:26:020
10292992013,4cyclictest27490-21ls13:31:040
10292992013,4cyclictest16508-21vmstat10:11:140
10292992013,4cyclictest1055-21runrttasks13:48:270
10292992013,4cyclictest1055-21runrttasks13:48:270
10292992012,4cyclictest14055-21acpi11:05:550
1029299200,18cyclictest0-21swapper/012:16:090
10302991913,3cyclictest9097-21tr11:00:572
10302991913,3cyclictest3641-21sh12:01:022
10302991913,3cyclictest3641-21sh12:01:022
10302991913,3cyclictest28139-21/usr/sbin/munin12:26:172
10302991912,4cyclictest3427-21diskmemload13:51:032
10302991912,4cyclictest31555-21tr10:45:592
10302991912,4cyclictest24468-21cstates10:30:572
10297991911,5cyclictest26791-21cpuspeed_turbos10:35:571
10292991913,4cyclictest26560-21kernelversion09:26:010
10292991913,3cyclictest3917-21switchtime13:06:150
10292991913,3cyclictest3427-21diskmemload13:50:560
10292991913,3cyclictest19661-21expr10:20:590
10292991913,3cyclictest19661-21expr10:20:590
10292991912,4cyclictest3513-21cat12:01:000
10292991912,4cyclictest3427-21diskmemload13:37:510
10292991912,4cyclictest18775-21expr09:10:550
1030299184,8cyclictest10549-21apt-get08:55:552
10302991812,4cyclictest21618-21turbostat.cron10:25:442
10302991812,4cyclictest21618-21turbostat.cron10:25:442
10302991812,3cyclictest17350-21cstates10:15:582
1029799180,16cyclictest0-21swapper/109:31:101
10297991713,2cyclictest0-21swapper/110:45:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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